Imported nx-X11-3.5.0-2.tar.gz

nx-X11/CHANGELOG

 ChangeLog:
 
+nx-X11-3.5.0-2
+
+- Fixed TR0202420. XKB utility functions wrote out of bounds.
+
+- Upgraded RandR server extension to version 1.2.
+
 nx-X11-3.5.0-1
 
 - Opened the 3.5.0 branch based on nx-X11-3.4.0-4.

nx-X11/CHANGELOG.NX.original

 ChangeLog:
 
+nx-X11-3.5.0-2
+
+- Fixed TR0202420. XKB utility functions wrote out of bounds.
+
+- Upgraded RandR server extension to version 1.2.
+
+nx-X11-3.5.0-1
+
+- Opened the 3.5.0 branch based on nx-X11-3.4.0-4.
+
+- Updated copyright to year 2011.
+
 nx-X11-3.4.0-4
 
 - Fixed TR06H02359. Removed compiler warnings.

nx-X11/lib/X11/XKBMAlloc.c

@@ -738,8 +738,13 @@ int	tmp;
 		    _XkbFree(prev_key_sym_map);
 		    return BadAlloc;
 		}
+#ifdef NXAGENT_SERVER
+                bzero((char *)&xkb->map->key_sym_map[xkb->max_key_code+1],
+                                        tmp*sizeof(XkbSymMapRec));
+#else
 		bzero((char *)&xkb->map->key_sym_map[xkb->max_key_code],
 					tmp*sizeof(XkbSymMapRec));
+#endif
 		if (changes) {
 		    changes->map.changed= _ExtendRange(changes->map.changed,
 		    				XkbKeySymsMask,maxKC,
@@ -756,7 +761,11 @@ int	tmp;
 		    _XkbFree(prev_modmap);
 		    return BadAlloc;
 		}
+#ifdef NXAGENT_SERVER
+                bzero((char *)&xkb->map->modmap[xkb->max_key_code+1],tmp);
+#else
 		bzero((char *)&xkb->map->modmap[xkb->max_key_code],tmp);
+#endif
 		if (changes) {
 		    changes->map.changed= _ExtendRange(changes->map.changed,
 		    				XkbModifierMapMask,maxKC,
@@ -775,8 +784,13 @@ int	tmp;
 		    _XkbFree(prev_behaviors);
 		    return BadAlloc;
 		}
+#ifdef NXAGENT_SERVER
+                bzero((char *)&xkb->server->behaviors[xkb->max_key_code+1],
+                                                tmp*sizeof(XkbBehavior));
+#else
 		bzero((char *)&xkb->server->behaviors[xkb->max_key_code],
 						tmp*sizeof(XkbBehavior));
+#endif
 		if (changes) {
 		    changes->map.changed= _ExtendRange(changes->map.changed,
 		    			XkbKeyBehaviorsMask,maxKC,
@@ -793,8 +807,13 @@ int	tmp;
 		    _XkbFree(prev_key_acts);
 		    return BadAlloc;
 		}
+#ifdef NXAGENT_SERVER
+                bzero((char *)&xkb->server->key_acts[xkb->max_key_code+1],
+                                                tmp*sizeof(unsigned short));
+#else
 		bzero((char *)&xkb->server->key_acts[xkb->max_key_code],
 						tmp*sizeof(unsigned short));
+#endif
 		if (changes) {
 		    changes->map.changed= _ExtendRange(changes->map.changed,
 		    			XkbKeyActionsMask,maxKC,
@@ -811,8 +830,13 @@ int	tmp;
 		    _XkbFree(prev_vmodmap);
 		    return BadAlloc;
 		}
+#ifdef NXAGENT_SERVER
+                bzero((char *)&xkb->server->vmodmap[xkb->max_key_code+1],
+                                                tmp*sizeof(unsigned short));
+#else
 		bzero((char *)&xkb->server->vmodmap[xkb->max_key_code],
 						tmp*sizeof(unsigned short));
+#endif
 		if (changes) {
 		    changes->map.changed= _ExtendRange(changes->map.changed,
 		    			XkbVirtualModMapMask,maxKC,
@@ -830,8 +854,13 @@ int	tmp;
 		_XkbFree(prev_keys);
 		return BadAlloc;
 	    }
+#ifdef NXAGENT_SERVER
+            bzero((char *)&xkb->names->keys[xkb->max_key_code+1],
+                                                tmp*sizeof(XkbKeyNameRec));
+#else
 	    bzero((char *)&xkb->names->keys[xkb->max_key_code],
 	    					tmp*sizeof(XkbKeyNameRec));
+#endif
 	    if (changes) {
 		changes->names.changed= _ExtendRange(changes->names.changed,
 					XkbKeyNamesMask,maxKC,

nx-X11/lib/X11/XKBMAlloc.c.NX.original

+/* $Xorg: XKBMAlloc.c,v 1.4 2000/08/17 19:45:02 cpqbld Exp $ */
+/************************************************************
+Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc.
+
+Permission to use, copy, modify, and distribute this
+software and its documentation for any purpose and without
+fee is hereby granted, provided that the above copyright
+notice appear in all copies and that both that copyright
+notice and this permission notice appear in supporting
+documentation, and that the name of Silicon Graphics not be 
+used in advertising or publicity pertaining to distribution 
+of the software without specific prior written permission.
+Silicon Graphics makes no representation about the suitability 
+of this software for any purpose. It is provided "as is"
+without any express or implied warranty.
+
+SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS 
+SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 
+AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 
+DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
+THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+********************************************************/
+/* $XFree86: xc/lib/X11/XKBMAlloc.c,v 3.11 2001/01/17 19:41:48 dawes Exp $ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#elif defined(HAVE_CONFIG_H)
+#include <config.h>
+#endif
+
+#ifndef XKB_IN_SERVER
+
+#include <stdio.h>
+#define NEED_REPLIES
+#define NEED_EVENTS
+#include "Xlibint.h"
+#include <X11/extensions/XKBproto.h>
+#include <X11/keysym.h>
+#include "XKBlibint.h"
+
+#else 
+
+#include <stdio.h>
+#include <X11/X.h>
+#define	NEED_EVENTS
+#define	NEED_REPLIES
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "inputstr.h"
+#include <X11/keysym.h>
+#define	XKBSRV_NEED_FILE_FUNCS
+#include <X11/extensions/XKBsrv.h>
+
+#endif /* XKB_IN_SERVER */
+
+/***====================================================================***/
+
+Status
+XkbAllocClientMap(XkbDescPtr xkb,unsigned which,unsigned nTotalTypes)
+{
+register int	i;
+XkbClientMapPtr map;
+
+    if ((xkb==NULL)||((nTotalTypes>0)&&(nTotalTypes<XkbNumRequiredTypes)))
+	return BadValue;
+    if ((which&XkbKeySymsMask)&&
+	((!XkbIsLegalKeycode(xkb->min_key_code))||
+	 (!XkbIsLegalKeycode(xkb->max_key_code))||
+	 (xkb->max_key_code<xkb->min_key_code))) {
+#ifdef DEBUG
+fprintf(stderr,"bad keycode (%d,%d) in XkbAllocClientMap\n",
+				xkb->min_key_code,xkb->max_key_code);
+#endif
+	return BadValue;
+    }
+
+    if (xkb->map==NULL) {
+	map= _XkbTypedCalloc(1,XkbClientMapRec);
+	if (map==NULL)
+	    return BadAlloc;
+	xkb->map= map;
+    }
+    else map= xkb->map;
+
+    if ((which&XkbKeyTypesMask)&&(nTotalTypes>0)) {
+	if (map->types==NULL) {
+	    map->types= _XkbTypedCalloc(nTotalTypes,XkbKeyTypeRec);
+	    if (map->types==NULL)
+		return BadAlloc;
+	    map->num_types= 0;
+	    map->size_types= nTotalTypes;
+	}
+	else if (map->size_types<nTotalTypes) {
+	    XkbKeyTypeRec *prev_types = map->types;
+
+	    map->types= _XkbTypedRealloc(map->types,nTotalTypes,XkbKeyTypeRec);
+	    if (map->types==NULL) {
+		_XkbFree(prev_types);
+		map->num_types= map->size_types= 0;
+		return BadAlloc;
+	    }
+	    map->size_types= nTotalTypes;
+	    bzero(&map->types[map->num_types], 
+		  ((map->size_types-map->num_types)*sizeof(XkbKeyTypeRec)));
+	}
+    }
+    if (which&XkbKeySymsMask) {
+	int nKeys= XkbNumKeys(xkb);
+	if (map->syms==NULL) {
+	    map->size_syms= (nKeys*15)/10;
+	    map->syms= _XkbTypedCalloc(map->size_syms,KeySym);
+	    if (!map->syms) {
+		map->size_syms= 0;
+		return BadAlloc;
+	    }
+	    map->num_syms= 1;
+	    map->syms[0]= NoSymbol;
+	}
+	if (map->key_sym_map==NULL) {
+	    i= xkb->max_key_code+1;
+	    map->key_sym_map= _XkbTypedCalloc(i,XkbSymMapRec);
+	    if (map->key_sym_map==NULL)
+		return BadAlloc;
+	}
+    }
+    if (which&XkbModifierMapMask) {
+	if ((!XkbIsLegalKeycode(xkb->min_key_code))||
+	    (!XkbIsLegalKeycode(xkb->max_key_code))||
+	    (xkb->max_key_code<xkb->min_key_code))
+	    return BadMatch;
+	if (map->modmap==NULL) {
+	    i= xkb->max_key_code+1;
+	    map->modmap= _XkbTypedCalloc(i,unsigned char);
+	    if (map->modmap==NULL)
+		return BadAlloc;
+	}
+    }
+    return Success;
+}
+
+Status
+XkbAllocServerMap(XkbDescPtr xkb,unsigned which,unsigned nNewActions)
+{
+register int	i;
+XkbServerMapPtr map;
+
+    if (xkb==NULL)
+	return BadMatch;
+    if (xkb->server==NULL) {
+	map= _XkbTypedCalloc(1,XkbServerMapRec);
+	if (map==NULL)
+	    return BadAlloc;
+	for (i=0;i<XkbNumVirtualMods;i++) {
+	    map->vmods[i]= XkbNoModifierMask;
+	}
+	xkb->server= map;
+    }
+    else map= xkb->server;
+    if (which&XkbExplicitComponentsMask) {
+	if ((!XkbIsLegalKeycode(xkb->min_key_code))||
+	    (!XkbIsLegalKeycode(xkb->max_key_code))||
+	    (xkb->max_key_code<xkb->min_key_code))
+	    return BadMatch;
+	if (map->explicit==NULL) {
+	    i= xkb->max_key_code+1;
+	    map->explicit= _XkbTypedCalloc(i,unsigned char);
+	    if (map->explicit==NULL)
+		return BadAlloc;
+	}
+    }
+    if (which&XkbKeyActionsMask) {
+	if ((!XkbIsLegalKeycode(xkb->min_key_code))||
+	    (!XkbIsLegalKeycode(xkb->max_key_code))||
+	    (xkb->max_key_code<xkb->min_key_code))
+	    return BadMatch;
+        if (nNewActions<1)
+	    nNewActions= 1;
+	if (map->acts==NULL) {
+	    map->acts= _XkbTypedCalloc((nNewActions+1),XkbAction);
+	    if (map->acts==NULL)
+		return BadAlloc;
+	    map->num_acts= 1;
+	    map->size_acts= nNewActions+1;
+	}
+	else if ((map->size_acts-map->num_acts)<nNewActions) {
+	    unsigned need;
+	    XkbAction *prev_acts = map->acts;
+	    need= map->num_acts+nNewActions;
+	    map->acts= _XkbTypedRealloc(map->acts,need,XkbAction);
+	    if (map->acts==NULL) {
+		_XkbFree(prev_acts);
+	        map->num_acts= map->size_acts= 0;
+	        return BadAlloc;
+	    }
+	    map->size_acts= need;
+	    bzero(&map->acts[map->num_acts], 
+		    ((map->size_acts-map->num_acts)*sizeof(XkbAction)));
+	}
+	if (map->key_acts==NULL) {
+	    i= xkb->max_key_code+1;
+	    map->key_acts= _XkbTypedCalloc(i,unsigned short);
+	    if (map->key_acts==NULL)
+		return BadAlloc;
+	}
+    }
+    if (which&XkbKeyBehaviorsMask) {
+	if ((!XkbIsLegalKeycode(xkb->min_key_code))||
+	    (!XkbIsLegalKeycode(xkb->max_key_code))||
+	    (xkb->max_key_code<xkb->min_key_code))
+	    return BadMatch;
+	if (map->behaviors==NULL) {
+	    i= xkb->max_key_code+1;
+	    map->behaviors= _XkbTypedCalloc(i,XkbBehavior);
+	    if (map->behaviors==NULL)
+		return BadAlloc;
+	}
+    }
+    if (which&XkbVirtualModMapMask) {
+	if ((!XkbIsLegalKeycode(xkb->min_key_code))||
+	    (!XkbIsLegalKeycode(xkb->max_key_code))||
+	    (xkb->max_key_code<xkb->min_key_code))
+	    return BadMatch;
+	if (map->vmodmap==NULL) {
+	    i= xkb->max_key_code+1;
+	    map->vmodmap= _XkbTypedCalloc(i,unsigned short);
+	    if (map->vmodmap==NULL)
+		return BadAlloc;
+	}
+    }
+    return Success;
+}
+
+/***====================================================================***/
+
+Status
+XkbCopyKeyType(XkbKeyTypePtr from,XkbKeyTypePtr into)
+{
+    if ((!from)||(!into))
+	return BadMatch;
+    if (into->map) {
+	_XkbFree(into->map);
+	into->map= NULL;
+    }
+    if (into->preserve) {
+	_XkbFree(into->preserve);
+	into->preserve= NULL;
+    }
+    if (into->level_names) {
+	_XkbFree(into->level_names);
+	into->level_names= NULL;
+    }
+    *into= *from;
+    if ((from->map)&&(into->map_count>0)) {
+	into->map= _XkbTypedCalloc(into->map_count,XkbKTMapEntryRec);
+	if (!into->map)
+	    return BadAlloc;
+	memcpy(into->map,from->map,into->map_count*sizeof(XkbKTMapEntryRec));
+    }
+    if ((from->preserve)&&(into->map_count>0)) {
+	into->preserve= _XkbTypedCalloc(into->map_count,XkbModsRec);
+	if (!into->preserve)
+	    return BadAlloc;
+	memcpy(into->preserve,from->preserve,
+				into->map_count*sizeof(XkbModsRec));
+    }
+    if ((from->level_names)&&(into->num_levels>0)) {
+	into->level_names= _XkbTypedCalloc(into->num_levels,Atom);
+	if (!into->level_names)
+	    return BadAlloc;
+	memcpy(into->level_names,from->level_names,
+				 into->num_levels*sizeof(Atom));
+    }
+    return Success;
+}
+
+Status
+XkbCopyKeyTypes(XkbKeyTypePtr from,XkbKeyTypePtr into,int num_types)
+{
+register int i,rtrn;
+
+    if ((!from)||(!into)||(num_types<0))
+	return BadMatch;
+    for (i=0;i<num_types;i++) {
+	if ((rtrn= XkbCopyKeyType(from++,into++))!=Success)
+	    return rtrn;
+    }
+    return Success;
+}
+
+XkbKeyTypePtr
+XkbAddKeyType(	XkbDescPtr	xkb,
+		Atom 		name,
+		int 		map_count,
+		Bool 		want_preserve,
+		int		num_lvls)
+{
+register int 	i;
+unsigned	tmp;
+XkbKeyTypePtr	type;
+XkbClientMapPtr	map;
+
+    if ((!xkb)||(num_lvls<1))
+	return NULL;
+    map= xkb->map;
+    if ((map)&&(map->types)) {
+	for (i=0;i<map->num_types;i++) {
+	    if (map->types[i].name==name) {
+		Status status;
+		status=XkbResizeKeyType(xkb,i,map_count,want_preserve,num_lvls);
+		return (status==Success?&map->types[i]:NULL);
+	    }
+	}
+    }
+    if ((!map)||(!map->types)||(!map->num_types<XkbNumRequiredTypes)) {
+	tmp= XkbNumRequiredTypes+1;
+	if (XkbAllocClientMap(xkb,XkbKeyTypesMask,tmp)!=Success)
+	    return NULL;
+	tmp= 0;
+	if (map->num_types<=XkbKeypadIndex)
+	    tmp|= XkbKeypadMask;
+	if (map->num_types<=XkbAlphabeticIndex)
+	    tmp|= XkbAlphabeticMask;
+	if (map->num_types<=XkbTwoLevelIndex)
+	    tmp|= XkbTwoLevelMask;
+	if (map->num_types<=XkbOneLevelIndex)
+	    tmp|= XkbOneLevelMask;
+	if (XkbInitCanonicalKeyTypes(xkb,tmp,XkbNoModifier)==Success) {
+	    for (i=0;i<map->num_types;i++) {
+		Status status;
+		if (map->types[i].name!=name)
+		    continue;
+		status=XkbResizeKeyType(xkb,i,map_count,want_preserve,num_lvls);
+		return (status==Success?&map->types[i]:NULL);
+	    }
+	}
+    }
+    if ((map->num_types<=map->size_types)&&
+	(XkbAllocClientMap(xkb,XkbKeyTypesMask,map->num_types+1)!=Success)) {
+	return NULL;
+    }
+    type= &map->types[map->num_types];
+    map->num_types++;
+    bzero((char *)type,sizeof(XkbKeyTypeRec));
+    type->num_levels=	num_lvls;
+    type->map_count=	map_count;
+    type->name=		name;
+    if (map_count>0) {
+	type->map=	_XkbTypedCalloc(map_count,XkbKTMapEntryRec);
+	if (!type->map) {
+	    map->num_types--;
+	    return NULL;
+	}
+	if (want_preserve) {
+	    type->preserve=	_XkbTypedCalloc(map_count,XkbModsRec);
+	    if (!type->preserve) {
+		_XkbFree(type->map);
+		map->num_types--;
+		return NULL;
+	    }
+	}
+    }
+    return type;
+}
+
+Status
+XkbResizeKeyType(	XkbDescPtr	xkb,
+			int		type_ndx,
+			int		map_count,
+			Bool		want_preserve,
+			int		new_num_lvls)
+{
+XkbKeyTypePtr	type;
+KeyCode		matchingKeys[XkbMaxKeyCount],nMatchingKeys;
+
+    if ((type_ndx<0)||(type_ndx>=xkb->map->num_types)||(map_count<0)||
+    							(new_num_lvls<1))
+	return BadValue;
+    switch (type_ndx) {
+	case XkbOneLevelIndex:
+	    if (new_num_lvls!=1)
+		return BadMatch;
+	    break;
+	case XkbTwoLevelIndex:
+	case XkbAlphabeticIndex:
+	case XkbKeypadIndex:
+	    if (new_num_lvls!=2)
+		return BadMatch;
+	    break;
+    }
+    type= &xkb->map->types[type_ndx];
+    if (map_count==0) {
+	if (type->map!=NULL)
+	    _XkbFree(type->map);
+	type->map= NULL;
+	if (type->preserve!=NULL)
+	    _XkbFree(type->preserve);
+	type->preserve= NULL;
+	type->map_count= 0;
+    }
+    else {
+	XkbKTMapEntryRec *prev_map = type->map;
+
+	if ((map_count>type->map_count)||(type->map==NULL))
+	    type->map=_XkbTypedRealloc(type->map,map_count,XkbKTMapEntryRec);
+	if (!type->map) {
+	    if (prev_map) 
+		_XkbFree(prev_map);
+	    return BadAlloc;
+	}
+	if (want_preserve) {
+	    XkbModsRec *prev_preserve = type->preserve;
+
+	    if ((map_count>type->map_count)||(type->preserve==NULL)) {
+		type->preserve= _XkbTypedRealloc(type->preserve,map_count,
+	     						    XkbModsRec);
+	    }
+	    if (!type->preserve) {
+		if (prev_preserve) 
+		    _XkbFree(prev_preserve);
+		return BadAlloc;
+	    }
+	}
+	else if (type->preserve!=NULL) {
+	    _XkbFree(type->preserve);
+	    type->preserve= NULL;
+	}
+	type->map_count= map_count;
+    }
+
+    if ((new_num_lvls>type->num_levels)||(type->level_names==NULL)) {
+	Atom * prev_level_names = type->level_names;
+
+	type->level_names=_XkbTypedRealloc(type->level_names,new_num_lvls,Atom);
+	if (!type->level_names) {
+	    if (prev_level_names) 
+		_XkbFree(prev_level_names);
+	    return BadAlloc;
+	}
+    }
+    /*
+     * Here's the theory:
+     *    If the width of the type changed, we might have to resize the symbol
+     * maps for any keys that use the type for one or more groups.  This is
+     * expensive, so we'll try to cull out any keys that are obviously okay:
+     * In any case:
+     *    - keys that have a group width <= the old width are okay (because
+     *      they could not possibly have been associated with the old type)
+     * If the key type increased in size:
+     *    - keys that already have a group width >= to the new width are okay
+     *    + keys that have a group width >= the old width but < the new width
+     *      might have to be enlarged.
+     * If the key type decreased in size:
+     *    - keys that have a group width > the old width don't have to be
+     *      resized (because they must have some other wider type associated 
+     *      with some group).
+     *    + keys that have a group width == the old width might have to be
+     *      shrunk.
+     * The possibilities marked with '+' require us to examine the key types
+     * associated with each group for the key.
+     */
+    bzero(matchingKeys,XkbMaxKeyCount*sizeof(KeyCode));
+    nMatchingKeys= 0;
+    if (new_num_lvls>type->num_levels) {
+	int	 		nTotal;
+	KeySym	*		newSyms;
+	int			width,match,nResize;
+	register int		i,g,nSyms;
+
+	nResize= 0;
+	for (nTotal=1,i=xkb->min_key_code;i<=xkb->max_key_code;i++) {
+	    width= XkbKeyGroupsWidth(xkb,i);
+	    if (width<type->num_levels)
+		continue;
+	    for (match=0,g=XkbKeyNumGroups(xkb,i)-1;(g>=0)&&(!match);g--) {
+		if (XkbKeyKeyTypeIndex(xkb,i,g)==type_ndx) {
+		    matchingKeys[nMatchingKeys++]= i;
+		    match= 1;
+		}
+	    }
+	    if ((!match)||(width>=new_num_lvls))
+		nTotal+= XkbKeyNumSyms(xkb,i);
+	    else {
+		nTotal+= XkbKeyNumGroups(xkb,i)*new_num_lvls;
+		nResize++;
+	    }
+	}
+	if (nResize>0) {
+	    int nextMatch;
+	    xkb->map->size_syms= (nTotal*12)/10;
+	    newSyms = _XkbTypedCalloc(xkb->map->size_syms,KeySym);
+	    if (newSyms==NULL)
+		return BadAlloc;
+	    nextMatch= 0;
+	    nSyms= 1;
+	    for (i=xkb->min_key_code;i<=xkb->max_key_code;i++) {
+		if (matchingKeys[nextMatch]==i) {
+		    KeySym *pOld;
+		    nextMatch++;
+		    width= XkbKeyGroupsWidth(xkb,i);
+		    pOld= XkbKeySymsPtr(xkb,i);
+		    for (g=XkbKeyNumGroups(xkb,i)-1;g>=0;g--) {
+			memcpy(&newSyms[nSyms+(new_num_lvls*g)],&pOld[width*g],
+							width*sizeof(KeySym));
+		    }
+		    xkb->map->key_sym_map[i].offset= nSyms;
+		    nSyms+= XkbKeyNumGroups(xkb,i)*new_num_lvls;
+		}
+		else {
+		    memcpy(&newSyms[nSyms],XkbKeySymsPtr(xkb,i),
+					XkbKeyNumSyms(xkb,i)*sizeof(KeySym));
+		    xkb->map->key_sym_map[i].offset= nSyms;
+		    nSyms+= XkbKeyNumSyms(xkb,i);
+		}
+	    }
+	    type->num_levels= new_num_lvls;
+	    _XkbFree(xkb->map->syms);
+	    xkb->map->syms= newSyms;
+	    xkb->map->num_syms= nSyms;
+	    return Success;
+	}
+    }
+    else if (new_num_lvls<type->num_levels) {
+	int 		width,match;
+	register int	g,i;
+	for (i=xkb->min_key_code;i<=xkb->max_key_code;i++) {
+	    width= XkbKeyGroupsWidth(xkb,i);
+	    if (width<type->num_levels)
+		continue;
+	    for (match=0,g=XkbKeyNumGroups(xkb,i)-1;(g>=0)&&(!match);g--) {
+		if (XkbKeyKeyTypeIndex(xkb,i,g)==type_ndx) {
+		    matchingKeys[nMatchingKeys++]= i;
+		    match= 1;
+		}
+	    }
+	}
+    }
+    if (nMatchingKeys>0) {
+	int 		key,firstClear;
+	register int	i,g;
+	if (new_num_lvls>type->num_levels)
+	     firstClear= type->num_levels;
+	else firstClear= new_num_lvls;
+	for (i=0;i<nMatchingKeys;i++) {
+	    KeySym *	pSyms;
+	    int		width,nClear;
+
+	    key= matchingKeys[i];
+	    width= XkbKeyGroupsWidth(xkb,key);
+	    nClear= width-firstClear;
+	    pSyms= XkbKeySymsPtr(xkb,key);
+	    for (g=XkbKeyNumGroups(xkb,key)-1;g>=0;g--) {
+		if (XkbKeyKeyTypeIndex(xkb,key,g)==type_ndx) {
+		    if (nClear>0)
+			bzero(&pSyms[g*width+firstClear],nClear*sizeof(KeySym));
+		}
+	    }
+	}
+    }
+    type->num_levels= new_num_lvls;
+    return Success;
+}
+
+KeySym *
+XkbResizeKeySyms(XkbDescPtr xkb,int key,int needed)
+{
+register int i,nSyms,nKeySyms;
+unsigned nOldSyms;
+KeySym	*newSyms;
+
+    if (needed==0) {
+	xkb->map->key_sym_map[key].offset= 0;
+	return xkb->map->syms;
+    }
+    nOldSyms= XkbKeyNumSyms(xkb,key);
+    if (nOldSyms>=(unsigned)needed) {
+	return XkbKeySymsPtr(xkb,key);
+    }
+    if (xkb->map->size_syms-xkb->map->num_syms>=(unsigned)needed) {
+	if (nOldSyms>0) {
+	    memcpy(&xkb->map->syms[xkb->map->num_syms],XkbKeySymsPtr(xkb,key),
+						nOldSyms*sizeof(KeySym));
+	}
+	if ((needed-nOldSyms)>0) {
+	    bzero(&xkb->map->syms[xkb->map->num_syms+XkbKeyNumSyms(xkb,key)],
+					(needed-nOldSyms)*sizeof(KeySym));
+	}
+	xkb->map->key_sym_map[key].offset = xkb->map->num_syms;
+	xkb->map->num_syms+= needed;
+	return &xkb->map->syms[xkb->map->key_sym_map[key].offset];
+    }
+    xkb->map->size_syms+= (needed>32?needed:32);
+    newSyms = _XkbTypedCalloc(xkb->map->size_syms,KeySym);
+    if (newSyms==NULL)
+	return NULL;
+    newSyms[0]= NoSymbol;
+    nSyms = 1;
+    for (i=xkb->min_key_code;i<=(int)xkb->max_key_code;i++) {
+	int nCopy;
+
+	nCopy= nKeySyms= XkbKeyNumSyms(xkb,i);
+	if ((nKeySyms==0)&&(i!=key))
+	    continue;
+	if (i==key)
+	    nKeySyms= needed;
+	if (nCopy!=0)
+	   memcpy(&newSyms[nSyms],XkbKeySymsPtr(xkb,i),nCopy*sizeof(KeySym));
+	if (nKeySyms>nCopy)
+	    bzero(&newSyms[nSyms+nCopy],(nKeySyms-nCopy)*sizeof(KeySym));
+	xkb->map->key_sym_map[i].offset = nSyms;
+	nSyms+= nKeySyms;
+    }
+    _XkbFree(xkb->map->syms);
+    xkb->map->syms = newSyms;
+    xkb->map->num_syms = nSyms;
+    return &xkb->map->syms[xkb->map->key_sym_map[key].offset];
+}
+
+static unsigned
+_ExtendRange(	unsigned int 	old_flags,
+		unsigned int	flag,
+		KeyCode		newKC,
+		KeyCode *	old_min,
+		unsigned char *	old_num)
+{
+    if ((old_flags&flag)==0) {
+	old_flags|= flag;
+	*old_min= newKC;
+	*old_num= 1;
+    }
+    else {
+	int	last= (*old_min)+(*old_num)-1;
+	if (newKC<*old_min) {
+	    *old_min= newKC;
+	    *old_num= (last-newKC)+1;
+	}
+	else if (newKC>last) {
+	    *old_num= (newKC-(*old_min))+1;
+	}
+    }
+    return old_flags;
+}
+
+Status
+XkbChangeKeycodeRange(	XkbDescPtr	xkb,
+			int 		minKC,
+			int 		maxKC,
+			XkbChangesPtr	changes)
+{
+int	tmp;
+
+    if ((!xkb)||(minKC<XkbMinLegalKeyCode)||(maxKC>XkbMaxLegalKeyCode))
+	return BadValue;
+    if (minKC>maxKC)
+	return BadMatch;
+    if (minKC<xkb->min_key_code) {
+	if (changes)
+	    changes->map.min_key_code= minKC;
+	tmp= xkb->min_key_code-minKC;
+	if (xkb->map)  {
+	    if (xkb->map->key_sym_map) {
+		bzero((char *)&xkb->map->key_sym_map[minKC],
+					tmp*sizeof(XkbSymMapRec));
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    				XkbKeySymsMask,minKC,
+	    					&changes->map.first_key_sym,
+	    					&changes->map.num_key_syms);
+		}
+	    }
+	    if (xkb->map->modmap) {
+		bzero((char *)&xkb->map->modmap[minKC],tmp);
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    				XkbModifierMapMask,minKC,
+	    					&changes->map.first_modmap_key,
+	    					&changes->map.num_modmap_keys);
+		}
+	    }
+	}
+	if (xkb->server) {
+	    if (xkb->server->behaviors) {
+		bzero((char *)&xkb->server->behaviors[minKC],
+						tmp*sizeof(XkbBehavior));
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    			XkbKeyBehaviorsMask,minKC,
+    					&changes->map.first_key_behavior,
+    					&changes->map.num_key_behaviors);
+		}
+	    }
+	    if (xkb->server->key_acts) {
+		bzero((char *)&xkb->server->key_acts[minKC],
+						tmp*sizeof(unsigned short));
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    			XkbKeyActionsMask,minKC,
+    					&changes->map.first_key_act,
+    					&changes->map.num_key_acts);
+		}
+	    }
+	    if (xkb->server->vmodmap) {
+		bzero((char *)&xkb->server->vmodmap[minKC],
+						tmp*sizeof(unsigned short));
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    			XkbVirtualModMapMask,minKC,
+		    			&changes->map.first_modmap_key,
+    					&changes->map.num_vmodmap_keys);
+		}
+	    }
+	}
+	if ((xkb->names)&&(xkb->names->keys)) {
+	    bzero((char *)&xkb->names->keys[minKC],tmp*sizeof(XkbKeyNameRec));
+	    if (changes) {
+		changes->names.changed= _ExtendRange(changes->names.changed,
+					XkbKeyNamesMask,minKC,
+					&changes->names.first_key,
+    					&changes->names.num_keys);
+	    }
+	}
+	xkb->min_key_code= minKC;
+    }
+    if (maxKC>xkb->max_key_code) {
+	if (changes)
+	    changes->map.max_key_code= maxKC;
+	tmp= maxKC-xkb->max_key_code;
+	if (xkb->map)  {
+	    if (xkb->map->key_sym_map) {
+		XkbSymMapRec *prev_key_sym_map = xkb->map->key_sym_map;
+
+		xkb->map->key_sym_map= _XkbTypedRealloc(xkb->map->key_sym_map,
+						(maxKC+1),XkbSymMapRec);
+		if (!xkb->map->key_sym_map) {
+		    _XkbFree(prev_key_sym_map);
+		    return BadAlloc;
+		}
+#ifdef NXAGENT_SERVER
+                bzero((char *)&xkb->map->key_sym_map[xkb->max_key_code+1],
+                                        tmp*sizeof(XkbSymMapRec));
+#else
+		bzero((char *)&xkb->map->key_sym_map[xkb->max_key_code],
+					tmp*sizeof(XkbSymMapRec));
+#endif
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    				XkbKeySymsMask,maxKC,
+	    					&changes->map.first_key_sym,
+	    					&changes->map.num_key_syms);
+		}
+	    }
+	    if (xkb->map->modmap) {
+		unsigned char *prev_modmap = xkb->map->modmap;
+
+		xkb->map->modmap= _XkbTypedRealloc(xkb->map->modmap,
+						(maxKC+1),unsigned char);
+		if (!xkb->map->modmap) {
+		    _XkbFree(prev_modmap);
+		    return BadAlloc;
+		}
+#ifdef NXAGENT_SERVER
+                bzero((char *)&xkb->map->modmap[xkb->max_key_code+1],tmp);
+#else
+		bzero((char *)&xkb->map->modmap[xkb->max_key_code],tmp);
+#endif
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    				XkbModifierMapMask,maxKC,
+	    					&changes->map.first_modmap_key,
+	    					&changes->map.num_modmap_keys);
+		}
+	    }
+	}
+	if (xkb->server) {
+	    if (xkb->server->behaviors) {
+		XkbBehavior *prev_behaviors = xkb->server->behaviors;
+
+		xkb->server->behaviors=_XkbTypedRealloc(xkb->server->behaviors,
+						(maxKC+1),XkbBehavior);
+		if (!xkb->server->behaviors) {
+		    _XkbFree(prev_behaviors);
+		    return BadAlloc;
+		}
+#ifdef NXAGENT_SERVER
+                bzero((char *)&xkb->server->behaviors[xkb->max_key_code+1],
+                                                tmp*sizeof(XkbBehavior));
+#else
+		bzero((char *)&xkb->server->behaviors[xkb->max_key_code],
+						tmp*sizeof(XkbBehavior));
+#endif
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    			XkbKeyBehaviorsMask,maxKC,
+    					&changes->map.first_key_behavior,
+    					&changes->map.num_key_behaviors);
+		}
+	    }
+	    if (xkb->server->key_acts) {
+		unsigned short *prev_key_acts = xkb->server->key_acts;
+
+		xkb->server->key_acts= _XkbTypedRealloc(xkb->server->key_acts,
+						(maxKC+1),unsigned short);
+		if (!xkb->server->key_acts) {
+		    _XkbFree(prev_key_acts);
+		    return BadAlloc;
+		}
+#ifdef NXAGENT_SERVER
+                bzero((char *)&xkb->server->key_acts[xkb->max_key_code+1],
+                                                tmp*sizeof(unsigned short));
+#else
+		bzero((char *)&xkb->server->key_acts[xkb->max_key_code],
+						tmp*sizeof(unsigned short));
+#endif
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    			XkbKeyActionsMask,maxKC,
+    					&changes->map.first_key_act,
+    					&changes->map.num_key_acts);
+		}
+	    }
+	    if (xkb->server->vmodmap) {
+		unsigned short *prev_vmodmap = xkb->server->vmodmap;
+
+		xkb->server->vmodmap= _XkbTypedRealloc(xkb->server->vmodmap,
+						(maxKC+1),unsigned short);
+		if (!xkb->server->vmodmap) {
+		    _XkbFree(prev_vmodmap);
+		    return BadAlloc;
+		}
+#ifdef NXAGENT_SERVER
+                bzero((char *)&xkb->server->vmodmap[xkb->max_key_code+1],
+                                                tmp*sizeof(unsigned short));
+#else
+		bzero((char *)&xkb->server->vmodmap[xkb->max_key_code],
+						tmp*sizeof(unsigned short));
+#endif
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    			XkbVirtualModMapMask,maxKC,
+		    			&changes->map.first_modmap_key,
+    					&changes->map.num_vmodmap_keys);
+		}
+	    }
+	}
+	if ((xkb->names)&&(xkb->names->keys)) {
+	    XkbKeyNameRec *prev_keys = xkb->names->keys;
+
+	    xkb->names->keys= _XkbTypedRealloc(xkb->names->keys,
+	    					(maxKC+1),XkbKeyNameRec);
+	    if (!xkb->names->keys) {
+		_XkbFree(prev_keys);
+		return BadAlloc;
+	    }
+#ifdef NXAGENT_SERVER
+            bzero((char *)&xkb->names->keys[xkb->max_key_code+1],
+                                                tmp*sizeof(XkbKeyNameRec));
+#else
+	    bzero((char *)&xkb->names->keys[xkb->max_key_code],
+	    					tmp*sizeof(XkbKeyNameRec));
+#endif
+	    if (changes) {
+		changes->names.changed= _ExtendRange(changes->names.changed,
+					XkbKeyNamesMask,maxKC,
+					&changes->names.first_key,
+    					&changes->names.num_keys);
+	    }
+	}
+	xkb->max_key_code= maxKC;
+    }
+    return Success;
+}
+
+XkbAction *
+XkbResizeKeyActions(XkbDescPtr xkb,int key,int needed)
+{
+register int i,nActs;
+XkbAction *newActs;
+
+    if (needed==0) {
+	xkb->server->key_acts[key]= 0;
+	return NULL;
+    }
+    if (XkbKeyHasActions(xkb,key)&&(XkbKeyNumSyms(xkb,key)>=(unsigned)needed))
+	return XkbKeyActionsPtr(xkb,key);
+    if (xkb->server->size_acts-xkb->server->num_acts>=(unsigned)needed) {
+	xkb->server->key_acts[key]= xkb->server->num_acts;
+	xkb->server->num_acts+= needed;
+	return &xkb->server->acts[xkb->server->key_acts[key]];
+    }
+    xkb->server->size_acts= xkb->server->num_acts+needed+8;
+    newActs = _XkbTypedCalloc(xkb->server->size_acts,XkbAction);
+    if (newActs==NULL)
+	return NULL;
+    newActs[0].type = XkbSA_NoAction;
+    nActs = 1;
+    for (i=xkb->min_key_code;i<=(int)xkb->max_key_code;i++) {
+	int nKeyActs,nCopy;
+
+	if ((xkb->server->key_acts[i]==0)&&(i!=key))
+	    continue;
+
+	nCopy= nKeyActs= XkbKeyNumActions(xkb,i);
+	if (i==key) {
+	    nKeyActs= needed;
+	    if (needed<nCopy)
+		nCopy= needed;
+	}
+
+	if (nCopy>0)
+	    memcpy(&newActs[nActs],XkbKeyActionsPtr(xkb,i),
+						nCopy*sizeof(XkbAction));
+	if (nCopy<nKeyActs)
+	    bzero(&newActs[nActs+nCopy],(nKeyActs-nCopy)*sizeof(XkbAction));
+	xkb->server->key_acts[i]= nActs;
+	nActs+= nKeyActs;
+    }
+    _XkbFree(xkb->server->acts);
+    xkb->server->acts = newActs;
+    xkb->server->num_acts= nActs;
+    return &xkb->server->acts[xkb->server->key_acts[key]];
+}
+
+void
+XkbFreeClientMap(XkbDescPtr xkb,unsigned what,Bool freeMap)
+{
+XkbClientMapPtr	map;
+
+    if ((xkb==NULL)||(xkb->map==NULL))
+	return;
+    if (freeMap)
+	what= XkbAllClientInfoMask;
+    map= xkb->map;
+    if (what&XkbKeyTypesMask) {
+	if (map->types!=NULL) {
+	    if (map->num_types>0) {
+		register int 	i;
+		XkbKeyTypePtr	type;
+		for (i=0,type=map->types;i<map->num_types;i++,type++) {
+		    if (type->map!=NULL) {
+			_XkbFree(type->map);
+			type->map= NULL;
+		    }
+		    if (type->preserve!=NULL) {
+			_XkbFree(type->preserve);
+			type->preserve= NULL;
+		    }
+		    type->map_count= 0;
+		    if (type->level_names!=NULL) {
+			_XkbFree(type->level_names);
+			type->level_names= NULL;
+		    }
+		}
+	    }
+	    _XkbFree(map->types);
+	    map->num_types= map->size_types= 0;
+	    map->types= NULL;
+	}
+    }
+    if (what&XkbKeySymsMask) {
+	if (map->key_sym_map!=NULL) {
+	    _XkbFree(map->key_sym_map);
+	    map->key_sym_map= NULL;
+	}
+	if (map->syms!=NULL) {
+	    _XkbFree(map->syms);
+	    map->size_syms= map->num_syms= 0;
+	    map->syms= NULL;
+	}
+    }
+    if ((what&XkbModifierMapMask)&&(map->modmap!=NULL)) {
+	_XkbFree(map->modmap);
+	map->modmap= NULL;
+    }
+    if (freeMap) {
+	_XkbFree(xkb->map);
+	xkb->map= NULL;
+    }
+    return;
+}
+
+void
+XkbFreeServerMap(XkbDescPtr xkb,unsigned what,Bool freeMap)
+{
+XkbServerMapPtr	map;
+
+    if ((xkb==NULL)||(xkb->server==NULL))
+	return;
+    if (freeMap)
+	what= XkbAllServerInfoMask;
+    map= xkb->server;
+    if ((what&XkbExplicitComponentsMask)&&(map->explicit!=NULL)) {
+	_XkbFree(map->explicit);
+	map->explicit= NULL;
+    }
+    if (what&XkbKeyActionsMask) {
+	if (map->key_acts!=NULL) {
+	    _XkbFree(map->key_acts);
+	    map->key_acts= NULL;
+	}
+	if (map->acts!=NULL) {
+	    _XkbFree(map->acts);
+	    map->num_acts= map->size_acts= 0;
+	    map->acts= NULL;
+	}
+    }
+    if ((what&XkbKeyBehaviorsMask)&&(map->behaviors!=NULL)) {
+	_XkbFree(map->behaviors);
+	map->behaviors= NULL;
+    }
+    if ((what&XkbVirtualModMapMask)&&(map->vmodmap!=NULL)) {
+	_XkbFree(map->vmodmap);
+	map->vmodmap= NULL;
+    }
+
+    if (freeMap) {
+	_XkbFree(xkb->server);
+	xkb->server= NULL;
+    }
+    return;
+}

nx-X11/lib/X11/XKBMAlloc.c.X.original

+/* $Xorg: XKBMAlloc.c,v 1.4 2000/08/17 19:45:02 cpqbld Exp $ */
+/************************************************************
+Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc.
+
+Permission to use, copy, modify, and distribute this
+software and its documentation for any purpose and without
+fee is hereby granted, provided that the above copyright
+notice appear in all copies and that both that copyright
+notice and this permission notice appear in supporting
+documentation, and that the name of Silicon Graphics not be 
+used in advertising or publicity pertaining to distribution 
+of the software without specific prior written permission.
+Silicon Graphics makes no representation about the suitability 
+of this software for any purpose. It is provided "as is"
+without any express or implied warranty.
+
+SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS 
+SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 
+AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 
+DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
+THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+********************************************************/
+/* $XFree86: xc/lib/X11/XKBMAlloc.c,v 3.11 2001/01/17 19:41:48 dawes Exp $ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#elif defined(HAVE_CONFIG_H)
+#include <config.h>
+#endif
+
+#ifndef XKB_IN_SERVER
+
+#include <stdio.h>
+#define NEED_REPLIES
+#define NEED_EVENTS
+#include "Xlibint.h"
+#include <X11/extensions/XKBproto.h>
+#include <X11/keysym.h>
+#include "XKBlibint.h"
+
+#else 
+
+#include <stdio.h>
+#include <X11/X.h>
+#define	NEED_EVENTS
+#define	NEED_REPLIES
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "inputstr.h"
+#include <X11/keysym.h>
+#define	XKBSRV_NEED_FILE_FUNCS
+#include <X11/extensions/XKBsrv.h>
+
+#endif /* XKB_IN_SERVER */
+
+/***====================================================================***/
+
+Status
+XkbAllocClientMap(XkbDescPtr xkb,unsigned which,unsigned nTotalTypes)
+{
+register int	i;
+XkbClientMapPtr map;
+
+    if ((xkb==NULL)||((nTotalTypes>0)&&(nTotalTypes<XkbNumRequiredTypes)))
+	return BadValue;
+    if ((which&XkbKeySymsMask)&&
+	((!XkbIsLegalKeycode(xkb->min_key_code))||
+	 (!XkbIsLegalKeycode(xkb->max_key_code))||
+	 (xkb->max_key_code<xkb->min_key_code))) {
+#ifdef DEBUG
+fprintf(stderr,"bad keycode (%d,%d) in XkbAllocClientMap\n",
+				xkb->min_key_code,xkb->max_key_code);
+#endif
+	return BadValue;
+    }
+
+    if (xkb->map==NULL) {
+	map= _XkbTypedCalloc(1,XkbClientMapRec);
+	if (map==NULL)
+	    return BadAlloc;
+	xkb->map= map;
+    }
+    else map= xkb->map;
+
+    if ((which&XkbKeyTypesMask)&&(nTotalTypes>0)) {
+	if (map->types==NULL) {
+	    map->types= _XkbTypedCalloc(nTotalTypes,XkbKeyTypeRec);
+	    if (map->types==NULL)
+		return BadAlloc;
+	    map->num_types= 0;
+	    map->size_types= nTotalTypes;
+	}
+	else if (map->size_types<nTotalTypes) {
+	    XkbKeyTypeRec *prev_types = map->types;
+
+	    map->types= _XkbTypedRealloc(map->types,nTotalTypes,XkbKeyTypeRec);
+	    if (map->types==NULL) {
+		_XkbFree(prev_types);
+		map->num_types= map->size_types= 0;
+		return BadAlloc;
+	    }
+	    map->size_types= nTotalTypes;
+	    bzero(&map->types[map->num_types], 
+		  ((map->size_types-map->num_types)*sizeof(XkbKeyTypeRec)));
+	}
+    }
+    if (which&XkbKeySymsMask) {
+	int nKeys= XkbNumKeys(xkb);
+	if (map->syms==NULL) {
+	    map->size_syms= (nKeys*15)/10;
+	    map->syms= _XkbTypedCalloc(map->size_syms,KeySym);
+	    if (!map->syms) {
+		map->size_syms= 0;
+		return BadAlloc;
+	    }
+	    map->num_syms= 1;
+	    map->syms[0]= NoSymbol;
+	}
+	if (map->key_sym_map==NULL) {
+	    i= xkb->max_key_code+1;
+	    map->key_sym_map= _XkbTypedCalloc(i,XkbSymMapRec);
+	    if (map->key_sym_map==NULL)
+		return BadAlloc;
+	}
+    }
+    if (which&XkbModifierMapMask) {
+	if ((!XkbIsLegalKeycode(xkb->min_key_code))||
+	    (!XkbIsLegalKeycode(xkb->max_key_code))||
+	    (xkb->max_key_code<xkb->min_key_code))
+	    return BadMatch;
+	if (map->modmap==NULL) {
+	    i= xkb->max_key_code+1;
+	    map->modmap= _XkbTypedCalloc(i,unsigned char);
+	    if (map->modmap==NULL)
+		return BadAlloc;
+	}
+    }
+    return Success;
+}
+
+Status
+XkbAllocServerMap(XkbDescPtr xkb,unsigned which,unsigned nNewActions)
+{
+register int	i;
+XkbServerMapPtr map;
+
+    if (xkb==NULL)
+	return BadMatch;
+    if (xkb->server==NULL) {
+	map= _XkbTypedCalloc(1,XkbServerMapRec);
+	if (map==NULL)
+	    return BadAlloc;
+	for (i=0;i<XkbNumVirtualMods;i++) {
+	    map->vmods[i]= XkbNoModifierMask;
+	}
+	xkb->server= map;
+    }
+    else map= xkb->server;
+    if (which&XkbExplicitComponentsMask) {
+	if ((!XkbIsLegalKeycode(xkb->min_key_code))||
+	    (!XkbIsLegalKeycode(xkb->max_key_code))||
+	    (xkb->max_key_code<xkb->min_key_code))
+	    return BadMatch;
+	if (map->explicit==NULL) {
+	    i= xkb->max_key_code+1;
+	    map->explicit= _XkbTypedCalloc(i,unsigned char);
+	    if (map->explicit==NULL)
+		return BadAlloc;
+	}
+    }
+    if (which&XkbKeyActionsMask) {
+	if ((!XkbIsLegalKeycode(xkb->min_key_code))||
+	    (!XkbIsLegalKeycode(xkb->max_key_code))||
+	    (xkb->max_key_code<xkb->min_key_code))
+	    return BadMatch;
+        if (nNewActions<1)
+	    nNewActions= 1;
+	if (map->acts==NULL) {
+	    map->acts= _XkbTypedCalloc((nNewActions+1),XkbAction);
+	    if (map->acts==NULL)
+		return BadAlloc;
+	    map->num_acts= 1;
+	    map->size_acts= nNewActions+1;
+	}
+	else if ((map->size_acts-map->num_acts)<nNewActions) {
+	    unsigned need;
+	    XkbAction *prev_acts = map->acts;
+	    need= map->num_acts+nNewActions;
+	    map->acts= _XkbTypedRealloc(map->acts,need,XkbAction);
+	    if (map->acts==NULL) {
+		_XkbFree(prev_acts);
+	        map->num_acts= map->size_acts= 0;
+	        return BadAlloc;
+	    }
+	    map->size_acts= need;
+	    bzero(&map->acts[map->num_acts], 
+		    ((map->size_acts-map->num_acts)*sizeof(XkbAction)));
+	}
+	if (map->key_acts==NULL) {
+	    i= xkb->max_key_code+1;
+	    map->key_acts= _XkbTypedCalloc(i,unsigned short);
+	    if (map->key_acts==NULL)
+		return BadAlloc;
+	}
+    }
+    if (which&XkbKeyBehaviorsMask) {
+	if ((!XkbIsLegalKeycode(xkb->min_key_code))||
+	    (!XkbIsLegalKeycode(xkb->max_key_code))||
+	    (xkb->max_key_code<xkb->min_key_code))
+	    return BadMatch;
+	if (map->behaviors==NULL) {
+	    i= xkb->max_key_code+1;
+	    map->behaviors= _XkbTypedCalloc(i,XkbBehavior);
+	    if (map->behaviors==NULL)
+		return BadAlloc;
+	}
+    }
+    if (which&XkbVirtualModMapMask) {
+	if ((!XkbIsLegalKeycode(xkb->min_key_code))||
+	    (!XkbIsLegalKeycode(xkb->max_key_code))||
+	    (xkb->max_key_code<xkb->min_key_code))
+	    return BadMatch;
+	if (map->vmodmap==NULL) {
+	    i= xkb->max_key_code+1;
+	    map->vmodmap= _XkbTypedCalloc(i,unsigned short);
+	    if (map->vmodmap==NULL)
+		return BadAlloc;
+	}
+    }
+    return Success;
+}
+
+/***====================================================================***/
+
+Status
+XkbCopyKeyType(XkbKeyTypePtr from,XkbKeyTypePtr into)
+{
+    if ((!from)||(!into))
+	return BadMatch;
+    if (into->map) {
+	_XkbFree(into->map);
+	into->map= NULL;
+    }
+    if (into->preserve) {
+	_XkbFree(into->preserve);
+	into->preserve= NULL;
+    }
+    if (into->level_names) {
+	_XkbFree(into->level_names);
+	into->level_names= NULL;
+    }
+    *into= *from;
+    if ((from->map)&&(into->map_count>0)) {
+	into->map= _XkbTypedCalloc(into->map_count,XkbKTMapEntryRec);
+	if (!into->map)
+	    return BadAlloc;
+	memcpy(into->map,from->map,into->map_count*sizeof(XkbKTMapEntryRec));
+    }
+    if ((from->preserve)&&(into->map_count>0)) {
+	into->preserve= _XkbTypedCalloc(into->map_count,XkbModsRec);
+	if (!into->preserve)
+	    return BadAlloc;
+	memcpy(into->preserve,from->preserve,
+				into->map_count*sizeof(XkbModsRec));
+    }
+    if ((from->level_names)&&(into->num_levels>0)) {
+	into->level_names= _XkbTypedCalloc(into->num_levels,Atom);
+	if (!into->level_names)
+	    return BadAlloc;
+	memcpy(into->level_names,from->level_names,
+				 into->num_levels*sizeof(Atom));
+    }
+    return Success;
+}
+
+Status
+XkbCopyKeyTypes(XkbKeyTypePtr from,XkbKeyTypePtr into,int num_types)
+{
+register int i,rtrn;
+
+    if ((!from)||(!into)||(num_types<0))
+	return BadMatch;
+    for (i=0;i<num_types;i++) {
+	if ((rtrn= XkbCopyKeyType(from++,into++))!=Success)
+	    return rtrn;
+    }
+    return Success;
+}
+
+XkbKeyTypePtr
+XkbAddKeyType(	XkbDescPtr	xkb,
+		Atom 		name,
+		int 		map_count,
+		Bool 		want_preserve,
+		int		num_lvls)
+{
+register int 	i;
+unsigned	tmp;
+XkbKeyTypePtr	type;
+XkbClientMapPtr	map;
+
+    if ((!xkb)||(num_lvls<1))
+	return NULL;
+    map= xkb->map;
+    if ((map)&&(map->types)) {
+	for (i=0;i<map->num_types;i++) {
+	    if (map->types[i].name==name) {
+		Status status;
+		status=XkbResizeKeyType(xkb,i,map_count,want_preserve,num_lvls);
+		return (status==Success?&map->types[i]:NULL);
+	    }
+	}
+    }
+    if ((!map)||(!map->types)||(!map->num_types<XkbNumRequiredTypes)) {
+	tmp= XkbNumRequiredTypes+1;
+	if (XkbAllocClientMap(xkb,XkbKeyTypesMask,tmp)!=Success)
+	    return NULL;
+	tmp= 0;
+	if (map->num_types<=XkbKeypadIndex)
+	    tmp|= XkbKeypadMask;
+	if (map->num_types<=XkbAlphabeticIndex)
+	    tmp|= XkbAlphabeticMask;
+	if (map->num_types<=XkbTwoLevelIndex)
+	    tmp|= XkbTwoLevelMask;
+	if (map->num_types<=XkbOneLevelIndex)
+	    tmp|= XkbOneLevelMask;
+	if (XkbInitCanonicalKeyTypes(xkb,tmp,XkbNoModifier)==Success) {
+	    for (i=0;i<map->num_types;i++) {
+		Status status;
+		if (map->types[i].name!=name)
+		    continue;
+		status=XkbResizeKeyType(xkb,i,map_count,want_preserve,num_lvls);
+		return (status==Success?&map->types[i]:NULL);
+	    }
+	}
+    }
+    if ((map->num_types<=map->size_types)&&
+	(XkbAllocClientMap(xkb,XkbKeyTypesMask,map->num_types+1)!=Success)) {
+	return NULL;
+    }
+    type= &map->types[map->num_types];
+    map->num_types++;
+    bzero((char *)type,sizeof(XkbKeyTypeRec));
+    type->num_levels=	num_lvls;
+    type->map_count=	map_count;
+    type->name=		name;
+    if (map_count>0) {
+	type->map=	_XkbTypedCalloc(map_count,XkbKTMapEntryRec);
+	if (!type->map) {
+	    map->num_types--;
+	    return NULL;
+	}
+	if (want_preserve) {
+	    type->preserve=	_XkbTypedCalloc(map_count,XkbModsRec);
+	    if (!type->preserve) {
+		_XkbFree(type->map);
+		map->num_types--;
+		return NULL;
+	    }
+	}
+    }
+    return type;
+}
+
+Status
+XkbResizeKeyType(	XkbDescPtr	xkb,
+			int		type_ndx,
+			int		map_count,
+			Bool		want_preserve,
+			int		new_num_lvls)
+{
+XkbKeyTypePtr	type;
+KeyCode		matchingKeys[XkbMaxKeyCount],nMatchingKeys;
+
+    if ((type_ndx<0)||(type_ndx>=xkb->map->num_types)||(map_count<0)||
+    							(new_num_lvls<1))
+	return BadValue;
+    switch (type_ndx) {
+	case XkbOneLevelIndex:
+	    if (new_num_lvls!=1)
+		return BadMatch;
+	    break;
+	case XkbTwoLevelIndex:
+	case XkbAlphabeticIndex:
+	case XkbKeypadIndex:
+	    if (new_num_lvls!=2)
+		return BadMatch;
+	    break;
+    }
+    type= &xkb->map->types[type_ndx];
+    if (map_count==0) {
+	if (type->map!=NULL)
+	    _XkbFree(type->map);
+	type->map= NULL;
+	if (type->preserve!=NULL)
+	    _XkbFree(type->preserve);
+	type->preserve= NULL;
+	type->map_count= 0;
+    }
+    else {
+	XkbKTMapEntryRec *prev_map = type->map;
+
+	if ((map_count>type->map_count)||(type->map==NULL))
+	    type->map=_XkbTypedRealloc(type->map,map_count,XkbKTMapEntryRec);
+	if (!type->map) {
+	    if (prev_map) 
+		_XkbFree(prev_map);
+	    return BadAlloc;
+	}
+	if (want_preserve) {
+	    XkbModsRec *prev_preserve = type->preserve;
+
+	    if ((map_count>type->map_count)||(type->preserve==NULL)) {
+		type->preserve= _XkbTypedRealloc(type->preserve,map_count,
+	     						    XkbModsRec);
+	    }
+	    if (!type->preserve) {
+		if (prev_preserve) 
+		    _XkbFree(prev_preserve);
+		return BadAlloc;
+	    }
+	}
+	else if (type->preserve!=NULL) {
+	    _XkbFree(type->preserve);
+	    type->preserve= NULL;
+	}
+	type->map_count= map_count;
+    }
+
+    if ((new_num_lvls>type->num_levels)||(type->level_names==NULL)) {
+	Atom * prev_level_names = type->level_names;
+
+	type->level_names=_XkbTypedRealloc(type->level_names,new_num_lvls,Atom);
+	if (!type->level_names) {
+	    if (prev_level_names) 
+		_XkbFree(prev_level_names);
+	    return BadAlloc;
+	}
+    }
+    /*
+     * Here's the theory:
+     *    If the width of the type changed, we might have to resize the symbol
+     * maps for any keys that use the type for one or more groups.  This is
+     * expensive, so we'll try to cull out any keys that are obviously okay:
+     * In any case:
+     *    - keys that have a group width <= the old width are okay (because
+     *      they could not possibly have been associated with the old type)
+     * If the key type increased in size:
+     *    - keys that already have a group width >= to the new width are okay
+     *    + keys that have a group width >= the old width but < the new width
+     *      might have to be enlarged.
+     * If the key type decreased in size:
+     *    - keys that have a group width > the old width don't have to be
+     *      resized (because they must have some other wider type associated 
+     *      with some group).
+     *    + keys that have a group width == the old width might have to be
+     *      shrunk.
+     * The possibilities marked with '+' require us to examine the key types
+     * associated with each group for the key.
+     */
+    bzero(matchingKeys,XkbMaxKeyCount*sizeof(KeyCode));
+    nMatchingKeys= 0;
+    if (new_num_lvls>type->num_levels) {
+	int	 		nTotal;
+	KeySym	*		newSyms;
+	int			width,match,nResize;
+	register int		i,g,nSyms;
+
+	nResize= 0;
+	for (nTotal=1,i=xkb->min_key_code;i<=xkb->max_key_code;i++) {
+	    width= XkbKeyGroupsWidth(xkb,i);
+	    if (width<type->num_levels)
+		continue;
+	    for (match=0,g=XkbKeyNumGroups(xkb,i)-1;(g>=0)&&(!match);g--) {
+		if (XkbKeyKeyTypeIndex(xkb,i,g)==type_ndx) {
+		    matchingKeys[nMatchingKeys++]= i;
+		    match= 1;
+		}
+	    }
+	    if ((!match)||(width>=new_num_lvls))
+		nTotal+= XkbKeyNumSyms(xkb,i);
+	    else {
+		nTotal+= XkbKeyNumGroups(xkb,i)*new_num_lvls;
+		nResize++;
+	    }
+	}
+	if (nResize>0) {
+	    int nextMatch;
+	    xkb->map->size_syms= (nTotal*12)/10;
+	    newSyms = _XkbTypedCalloc(xkb->map->size_syms,KeySym);
+	    if (newSyms==NULL)
+		return BadAlloc;
+	    nextMatch= 0;
+	    nSyms= 1;
+	    for (i=xkb->min_key_code;i<=xkb->max_key_code;i++) {
+		if (matchingKeys[nextMatch]==i) {
+		    KeySym *pOld;
+		    nextMatch++;
+		    width= XkbKeyGroupsWidth(xkb,i);
+		    pOld= XkbKeySymsPtr(xkb,i);
+		    for (g=XkbKeyNumGroups(xkb,i)-1;g>=0;g--) {
+			memcpy(&newSyms[nSyms+(new_num_lvls*g)],&pOld[width*g],
+							width*sizeof(KeySym));
+		    }
+		    xkb->map->key_sym_map[i].offset= nSyms;
+		    nSyms+= XkbKeyNumGroups(xkb,i)*new_num_lvls;
+		}
+		else {
+		    memcpy(&newSyms[nSyms],XkbKeySymsPtr(xkb,i),
+					XkbKeyNumSyms(xkb,i)*sizeof(KeySym));
+		    xkb->map->key_sym_map[i].offset= nSyms;
+		    nSyms+= XkbKeyNumSyms(xkb,i);
+		}
+	    }
+	    type->num_levels= new_num_lvls;
+	    _XkbFree(xkb->map->syms);
+	    xkb->map->syms= newSyms;
+	    xkb->map->num_syms= nSyms;
+	    return Success;
+	}
+    }
+    else if (new_num_lvls<type->num_levels) {
+	int 		width,match;
+	register int	g,i;
+	for (i=xkb->min_key_code;i<=xkb->max_key_code;i++) {
+	    width= XkbKeyGroupsWidth(xkb,i);
+	    if (width<type->num_levels)
+		continue;
+	    for (match=0,g=XkbKeyNumGroups(xkb,i)-1;(g>=0)&&(!match);g--) {
+		if (XkbKeyKeyTypeIndex(xkb,i,g)==type_ndx) {
+		    matchingKeys[nMatchingKeys++]= i;
+		    match= 1;
+		}
+	    }
+	}
+    }
+    if (nMatchingKeys>0) {
+	int 		key,firstClear;
+	register int	i,g;
+	if (new_num_lvls>type->num_levels)
+	     firstClear= type->num_levels;
+	else firstClear= new_num_lvls;
+	for (i=0;i<nMatchingKeys;i++) {
+	    KeySym *	pSyms;
+	    int		width,nClear;
+
+	    key= matchingKeys[i];
+	    width= XkbKeyGroupsWidth(xkb,key);
+	    nClear= width-firstClear;
+	    pSyms= XkbKeySymsPtr(xkb,key);
+	    for (g=XkbKeyNumGroups(xkb,key)-1;g>=0;g--) {
+		if (XkbKeyKeyTypeIndex(xkb,key,g)==type_ndx) {
+		    if (nClear>0)
+			bzero(&pSyms[g*width+firstClear],nClear*sizeof(KeySym));
+		}
+	    }
+	}
+    }
+    type->num_levels= new_num_lvls;
+    return Success;
+}
+
+KeySym *
+XkbResizeKeySyms(XkbDescPtr xkb,int key,int needed)
+{
+register int i,nSyms,nKeySyms;
+unsigned nOldSyms;
+KeySym	*newSyms;
+
+    if (needed==0) {
+	xkb->map->key_sym_map[key].offset= 0;
+	return xkb->map->syms;
+    }
+    nOldSyms= XkbKeyNumSyms(xkb,key);
+    if (nOldSyms>=(unsigned)needed) {
+	return XkbKeySymsPtr(xkb,key);
+    }
+    if (xkb->map->size_syms-xkb->map->num_syms>=(unsigned)needed) {
+	if (nOldSyms>0) {
+	    memcpy(&xkb->map->syms[xkb->map->num_syms],XkbKeySymsPtr(xkb,key),
+						nOldSyms*sizeof(KeySym));
+	}
+	if ((needed-nOldSyms)>0) {
+	    bzero(&xkb->map->syms[xkb->map->num_syms+XkbKeyNumSyms(xkb,key)],
+					(needed-nOldSyms)*sizeof(KeySym));
+	}
+	xkb->map->key_sym_map[key].offset = xkb->map->num_syms;
+	xkb->map->num_syms+= needed;
+	return &xkb->map->syms[xkb->map->key_sym_map[key].offset];
+    }
+    xkb->map->size_syms+= (needed>32?needed:32);
+    newSyms = _XkbTypedCalloc(xkb->map->size_syms,KeySym);
+    if (newSyms==NULL)
+	return NULL;
+    newSyms[0]= NoSymbol;
+    nSyms = 1;
+    for (i=xkb->min_key_code;i<=(int)xkb->max_key_code;i++) {
+	int nCopy;
+
+	nCopy= nKeySyms= XkbKeyNumSyms(xkb,i);
+	if ((nKeySyms==0)&&(i!=key))
+	    continue;
+	if (i==key)
+	    nKeySyms= needed;
+	if (nCopy!=0)
+	   memcpy(&newSyms[nSyms],XkbKeySymsPtr(xkb,i),nCopy*sizeof(KeySym));
+	if (nKeySyms>nCopy)
+	    bzero(&newSyms[nSyms+nCopy],(nKeySyms-nCopy)*sizeof(KeySym));
+	xkb->map->key_sym_map[i].offset = nSyms;
+	nSyms+= nKeySyms;
+    }
+    _XkbFree(xkb->map->syms);
+    xkb->map->syms = newSyms;
+    xkb->map->num_syms = nSyms;
+    return &xkb->map->syms[xkb->map->key_sym_map[key].offset];
+}
+
+static unsigned
+_ExtendRange(	unsigned int 	old_flags,
+		unsigned int	flag,
+		KeyCode		newKC,
+		KeyCode *	old_min,
+		unsigned char *	old_num)
+{
+    if ((old_flags&flag)==0) {
+	old_flags|= flag;
+	*old_min= newKC;
+	*old_num= 1;
+    }
+    else {
+	int	last= (*old_min)+(*old_num)-1;
+	if (newKC<*old_min) {
+	    *old_min= newKC;
+	    *old_num= (last-newKC)+1;
+	}
+	else if (newKC>last) {
+	    *old_num= (newKC-(*old_min))+1;
+	}
+    }
+    return old_flags;
+}
+
+Status
+XkbChangeKeycodeRange(	XkbDescPtr	xkb,
+			int 		minKC,
+			int 		maxKC,
+			XkbChangesPtr	changes)
+{
+int	tmp;
+
+    if ((!xkb)||(minKC<XkbMinLegalKeyCode)||(maxKC>XkbMaxLegalKeyCode))
+	return BadValue;
+    if (minKC>maxKC)
+	return BadMatch;
+    if (minKC<xkb->min_key_code) {
+	if (changes)
+	    changes->map.min_key_code= minKC;
+	tmp= xkb->min_key_code-minKC;
+	if (xkb->map)  {
+	    if (xkb->map->key_sym_map) {
+		bzero((char *)&xkb->map->key_sym_map[minKC],
+					tmp*sizeof(XkbSymMapRec));
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    				XkbKeySymsMask,minKC,
+	    					&changes->map.first_key_sym,
+	    					&changes->map.num_key_syms);
+		}
+	    }
+	    if (xkb->map->modmap) {
+		bzero((char *)&xkb->map->modmap[minKC],tmp);
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    				XkbModifierMapMask,minKC,
+	    					&changes->map.first_modmap_key,
+	    					&changes->map.num_modmap_keys);
+		}
+	    }
+	}
+	if (xkb->server) {
+	    if (xkb->server->behaviors) {
+		bzero((char *)&xkb->server->behaviors[minKC],
+						tmp*sizeof(XkbBehavior));
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    			XkbKeyBehaviorsMask,minKC,
+    					&changes->map.first_key_behavior,
+    					&changes->map.num_key_behaviors);
+		}
+	    }
+	    if (xkb->server->key_acts) {
+		bzero((char *)&xkb->server->key_acts[minKC],
+						tmp*sizeof(unsigned short));
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    			XkbKeyActionsMask,minKC,
+    					&changes->map.first_key_act,
+    					&changes->map.num_key_acts);
+		}
+	    }
+	    if (xkb->server->vmodmap) {
+		bzero((char *)&xkb->server->vmodmap[minKC],
+						tmp*sizeof(unsigned short));
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    			XkbVirtualModMapMask,minKC,
+		    			&changes->map.first_modmap_key,
+    					&changes->map.num_vmodmap_keys);
+		}
+	    }
+	}
+	if ((xkb->names)&&(xkb->names->keys)) {
+	    bzero((char *)&xkb->names->keys[minKC],tmp*sizeof(XkbKeyNameRec));
+	    if (changes) {
+		changes->names.changed= _ExtendRange(changes->names.changed,
+					XkbKeyNamesMask,minKC,
+					&changes->names.first_key,
+    					&changes->names.num_keys);
+	    }
+	}
+	xkb->min_key_code= minKC;
+    }
+    if (maxKC>xkb->max_key_code) {
+	if (changes)
+	    changes->map.max_key_code= maxKC;
+	tmp= maxKC-xkb->max_key_code;
+	if (xkb->map)  {
+	    if (xkb->map->key_sym_map) {
+		XkbSymMapRec *prev_key_sym_map = xkb->map->key_sym_map;
+
+		xkb->map->key_sym_map= _XkbTypedRealloc(xkb->map->key_sym_map,
+						(maxKC+1),XkbSymMapRec);
+		if (!xkb->map->key_sym_map) {
+		    _XkbFree(prev_key_sym_map);
+		    return BadAlloc;
+		}
+		bzero((char *)&xkb->map->key_sym_map[xkb->max_key_code],
+					tmp*sizeof(XkbSymMapRec));
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    				XkbKeySymsMask,maxKC,
+	    					&changes->map.first_key_sym,
+	    					&changes->map.num_key_syms);
+		}
+	    }
+	    if (xkb->map->modmap) {
+		unsigned char *prev_modmap = xkb->map->modmap;
+
+		xkb->map->modmap= _XkbTypedRealloc(xkb->map->modmap,
+						(maxKC+1),unsigned char);
+		if (!xkb->map->modmap) {
+		    _XkbFree(prev_modmap);
+		    return BadAlloc;
+		}
+		bzero((char *)&xkb->map->modmap[xkb->max_key_code],tmp);
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    				XkbModifierMapMask,maxKC,
+	    					&changes->map.first_modmap_key,
+	    					&changes->map.num_modmap_keys);
+		}
+	    }
+	}
+	if (xkb->server) {
+	    if (xkb->server->behaviors) {
+		XkbBehavior *prev_behaviors = xkb->server->behaviors;
+
+		xkb->server->behaviors=_XkbTypedRealloc(xkb->server->behaviors,
+						(maxKC+1),XkbBehavior);
+		if (!xkb->server->behaviors) {
+		    _XkbFree(prev_behaviors);
+		    return BadAlloc;
+		}
+		bzero((char *)&xkb->server->behaviors[xkb->max_key_code],
+						tmp*sizeof(XkbBehavior));
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    			XkbKeyBehaviorsMask,maxKC,
+    					&changes->map.first_key_behavior,
+    					&changes->map.num_key_behaviors);
+		}
+	    }
+	    if (xkb->server->key_acts) {
+		unsigned short *prev_key_acts = xkb->server->key_acts;
+
+		xkb->server->key_acts= _XkbTypedRealloc(xkb->server->key_acts,
+						(maxKC+1),unsigned short);
+		if (!xkb->server->key_acts) {
+		    _XkbFree(prev_key_acts);
+		    return BadAlloc;
+		}
+		bzero((char *)&xkb->server->key_acts[xkb->max_key_code],
+						tmp*sizeof(unsigned short));
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    			XkbKeyActionsMask,maxKC,
+    					&changes->map.first_key_act,
+    					&changes->map.num_key_acts);
+		}
+	    }
+	    if (xkb->server->vmodmap) {
+		unsigned short *prev_vmodmap = xkb->server->vmodmap;
+
+		xkb->server->vmodmap= _XkbTypedRealloc(xkb->server->vmodmap,
+						(maxKC+1),unsigned short);
+		if (!xkb->server->vmodmap) {
+		    _XkbFree(prev_vmodmap);
+		    return BadAlloc;
+		}
+		bzero((char *)&xkb->server->vmodmap[xkb->max_key_code],
+						tmp*sizeof(unsigned short));
+		if (changes) {
+		    changes->map.changed= _ExtendRange(changes->map.changed,
+		    			XkbVirtualModMapMask,maxKC,
+		    			&changes->map.first_modmap_key,
+    					&changes->map.num_vmodmap_keys);
+		}
+	    }
+	}
+	if ((xkb->names)&&(xkb->names->keys)) {
+	    XkbKeyNameRec *prev_keys = xkb->names->keys;
+
+	    xkb->names->keys= _XkbTypedRealloc(xkb->names->keys,
+	    					(maxKC+1),XkbKeyNameRec);
+	    if (!xkb->names->keys) {
+		_XkbFree(prev_keys);
+		return BadAlloc;
+	    }
+	    bzero((char *)&xkb->names->keys[xkb->max_key_code],
+	    					tmp*sizeof(XkbKeyNameRec));
+	    if (changes) {
+		changes->names.changed= _ExtendRange(changes->names.changed,
+					XkbKeyNamesMask,maxKC,
+					&changes->names.first_key,
+    					&changes->names.num_keys);
+	    }
+	}
+	xkb->max_key_code= maxKC;
+    }
+    return Success;
+}
+
+XkbAction *
+XkbResizeKeyActions(XkbDescPtr xkb,int key,int needed)
+{
+register int i,nActs;
+XkbAction *newActs;
+
+    if (needed==0) {
+	xkb->server->key_acts[key]= 0;
+	return NULL;
+    }
+    if (XkbKeyHasActions(xkb,key)&&(XkbKeyNumSyms(xkb,key)>=(unsigned)needed))
+	return XkbKeyActionsPtr(xkb,key);
+    if (xkb->server->size_acts-xkb->server->num_acts>=(unsigned)needed) {
+	xkb->server->key_acts[key]= xkb->server->num_acts;
+	xkb->server->num_acts+= needed;
+	return &xkb->server->acts[xkb->server->key_acts[key]];
+    }
+    xkb->server->size_acts= xkb->server->num_acts+needed+8;
+    newActs = _XkbTypedCalloc(xkb->server->size_acts,XkbAction);
+    if (newActs==NULL)
+	return NULL;
+    newActs[0].type = XkbSA_NoAction;
+    nActs = 1;
+    for (i=xkb->min_key_code;i<=(int)xkb->max_key_code;i++) {
+	int nKeyActs,nCopy;
+
+	if ((xkb->server->key_acts[i]==0)&&(i!=key))
+	    continue;
+
+	nCopy= nKeyActs= XkbKeyNumActions(xkb,i);
+	if (i==key) {
+	    nKeyActs= needed;
+	    if (needed<nCopy)
+		nCopy= needed;
+	}
+
+	if (nCopy>0)
+	    memcpy(&newActs[nActs],XkbKeyActionsPtr(xkb,i),
+						nCopy*sizeof(XkbAction));
+	if (nCopy<nKeyActs)
+	    bzero(&newActs[nActs+nCopy],(nKeyActs-nCopy)*sizeof(XkbAction));
+	xkb->server->key_acts[i]= nActs;
+	nActs+= nKeyActs;
+    }
+    _XkbFree(xkb->server->acts);
+    xkb->server->acts = newActs;
+    xkb->server->num_acts= nActs;
+    return &xkb->server->acts[xkb->server->key_acts[key]];
+}
+
+void
+XkbFreeClientMap(XkbDescPtr xkb,unsigned what,Bool freeMap)
+{
+XkbClientMapPtr	map;
+
+    if ((xkb==NULL)||(xkb->map==NULL))
+	return;
+    if (freeMap)
+	what= XkbAllClientInfoMask;
+    map= xkb->map;
+    if (what&XkbKeyTypesMask) {
+	if (map->types!=NULL) {
+	    if (map->num_types>0) {
+		register int 	i;
+		XkbKeyTypePtr	type;
+		for (i=0,type=map->types;i<map->num_types;i++,type++) {
+		    if (type->map!=NULL) {
+			_XkbFree(type->map);
+			type->map= NULL;
+		    }
+		    if (type->preserve!=NULL) {
+			_XkbFree(type->preserve);
+			type->preserve= NULL;
+		    }
+		    type->map_count= 0;
+		    if (type->level_names!=NULL) {
+			_XkbFree(type->level_names);
+			type->level_names= NULL;
+		    }
+		}
+	    }
+	    _XkbFree(map->types);
+	    map->num_types= map->size_types= 0;
+	    map->types= NULL;
+	}
+    }
+    if (what&XkbKeySymsMask) {
+	if (map->key_sym_map!=NULL) {
+	    _XkbFree(map->key_sym_map);
+	    map->key_sym_map= NULL;
+	}
+	if (map->syms!=NULL) {
+	    _XkbFree(map->syms);
+	    map->size_syms= map->num_syms= 0;
+	    map->syms= NULL;
+	}
+    }
+    if ((what&XkbModifierMapMask)&&(map->modmap!=NULL)) {
+	_XkbFree(map->modmap);
+	map->modmap= NULL;
+    }
+    if (freeMap) {
+	_XkbFree(xkb->map);
+	xkb->map= NULL;
+    }
+    return;
+}
+
+void
+XkbFreeServerMap(XkbDescPtr xkb,unsigned what,Bool freeMap)
+{
+XkbServerMapPtr	map;
+
+    if ((xkb==NULL)||(xkb->server==NULL))
+	return;
+    if (freeMap)
+	what= XkbAllServerInfoMask;
+    map= xkb->server;
+    if ((what&XkbExplicitComponentsMask)&&(map->explicit!=NULL)) {
+	_XkbFree(map->explicit);
+	map->explicit= NULL;
+    }
+    if (what&XkbKeyActionsMask) {
+	if (map->key_acts!=NULL) {
+	    _XkbFree(map->key_acts);
+	    map->key_acts= NULL;
+	}
+	if (map->acts!=NULL) {
+	    _XkbFree(map->acts);
+	    map->num_acts= map->size_acts= 0;
+	    map->acts= NULL;
+	}
+    }
+    if ((what&XkbKeyBehaviorsMask)&&(map->behaviors!=NULL)) {
+	_XkbFree(map->behaviors);
+	map->behaviors= NULL;
+    }
+    if ((what&XkbVirtualModMapMask)&&(map->vmodmap!=NULL)) {
+	_XkbFree(map->vmodmap);
+	map->vmodmap= NULL;
+    }
+
+    if (freeMap) {
+	_XkbFree(xkb->server);
+	xkb->server= NULL;
+    }
+    return;
+}

nx-X11/programs/Xserver/randr.X.original/Imakefile

+XCOMM $XFree86: xc/programs/Xserver/randr/Imakefile,v 1.1 2001/05/23 03:29:44 keithp Exp $
+#include <Server.tmpl>
+
+       SRCS =	randr.c mirandr.c
+
+       OBJS =	randr.o mirandr.o
+
+   INCLUDES = -I../include -I../mi -I../../../include/fonts \
+		-I../fb -I../hw/kdrive -I$(EXTINCSRC) -I$(XINCLUDESRC) \
+		-I$(FONTINCSRC) -I../render
+   LINTLIBS = ../dix/llib-ldix.ln ../os/llib-los.ln
+
+NormalLibraryTarget(randr,$(OBJS))
+NormalLibraryObjectRule()
+LintLibraryTarget(randr,$(SRCS))
+NormalLintTarget($(SRCS))
+
+DependTarget()

nx-X11/programs/Xserver/randr.X.original/mirandr.c

+/*
+ * $XFree86: xc/programs/Xserver/randr/mirandr.c,v 1.5 2001/06/04 09:45:40 keithp Exp $
+ *
+ * Copyright © 2000, Compaq Computer Corporation, 
+ * Copyright © 2002, Hewlett Packard, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Compaq or HP not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.  HP makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as is"
+ * without express or implied warranty.
+ *
+ * HP DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL HP
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author:  Jim Gettys, HP Labs, Hewlett-Packard, Inc.
+ */
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "scrnintstr.h"
+#include "mi.h"
+#include <X11/extensions/randr.h>
+#include "randrstr.h"
+#include <stdio.h>
+
+/*
+ * This function assumes that only a single depth can be
+ * displayed at a time, but that all visuals of that depth
+ * can be displayed simultaneously.  It further assumes that
+ * only a single size is available.  Hardware providing
+ * additional capabilties should use different code.
+ * XXX what to do here....
+ */
+
+Bool
+miRRGetInfo (ScreenPtr pScreen, Rotation *rotations)
+{
+    int	i;
+    Bool setConfig = FALSE;
+    
+    *rotations = RR_Rotate_0;
+    for (i = 0; i < pScreen->numDepths; i++)
+    {
+	if (pScreen->allowedDepths[i].numVids)
+	{
+		RRScreenSizePtr		pSize;
+
+		pSize = RRRegisterSize (pScreen,
+					pScreen->width,
+					pScreen->height,
+					pScreen->mmWidth,
+					pScreen->mmHeight);
+		if (!pSize)
+		    return FALSE;
+		if (!setConfig)
+		{
+		    RRSetCurrentConfig (pScreen, RR_Rotate_0, 0, pSize);
+		    setConfig = TRUE;
+		}
+	}
+    }
+    return TRUE;
+}
+
+/*
+ * Any hardware that can actually change anything will need something
+ * different here
+ */
+Bool
+miRRSetConfig (ScreenPtr	pScreen,
+	       Rotation		rotation,
+	       int		rate,
+	       RRScreenSizePtr	pSize)
+{
+    return TRUE;
+}
+
+
+Bool
+miRandRInit (ScreenPtr pScreen)
+{
+    rrScrPrivPtr    rp;
+    
+    if (!RRScreenInit (pScreen))
+	return FALSE;
+    rp = rrGetScrPriv(pScreen);
+    rp->rrGetInfo = miRRGetInfo;
+    rp->rrSetConfig = miRRSetConfig;
+    return TRUE;
+}

nx-X11/programs/Xserver/randr.X.original/randr.c

+/*
+ * $XFree86: xc/programs/Xserver/randr/randr.c,v 1.21tsi Exp $
+ *
+ * Copyright © 2000, Compaq Computer Corporation, 
+ * Copyright © 2002, Hewlett Packard, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Compaq or HP not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.  HP makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as is"
+ * without express or implied warranty.
+ *
+ * HP DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL HP
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author:  Jim Gettys, HP Labs, Hewlett-Packard, Inc.
+ */
+
+
+#define NEED_REPLIES
+#define NEED_EVENTS
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "os.h"
+#include "dixstruct.h"
+#include "resource.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include "pixmapstr.h"
+#include "extnsionst.h"
+#include "servermd.h"
+#include <X11/extensions/randr.h>
+#include <X11/extensions/randrproto.h>
+#include "randrstr.h"
+#ifdef RENDER
+#include <X11/extensions/render.h> 	/* we share subpixel order information */
+#include "picturestr.h"
+#endif
+#include <X11/Xfuncproto.h>
+#ifdef EXTMODULE
+#include "xf86_ansic.h"
+#endif
+
+/* From render.h */
+#ifndef SubPixelUnknown
+#define SubPixelUnknown 0
+#endif
+
+#define RR_VALIDATE
+int	RRGeneration;
+int	RRNScreens;
+
+static int ProcRRQueryVersion (ClientPtr pClient);
+static int ProcRRDispatch (ClientPtr pClient);
+static int SProcRRDispatch (ClientPtr pClient);
+static int SProcRRQueryVersion (ClientPtr pClient);
+
+#define wrap(priv,real,mem,func) {\
+    priv->mem = real->mem; \
+    real->mem = func; \
+}
+
+#define unwrap(priv,real,mem) {\
+    real->mem = priv->mem; \
+}
+
+#if 0
+static CARD8	RRReqCode;
+static int	RRErrBase;
+#endif
+static int	RREventBase;
+static RESTYPE ClientType, EventType; /* resource types for event masks */
+static int	RRClientPrivateIndex;
+
+typedef struct _RRTimes {
+    TimeStamp	setTime;
+    TimeStamp	configTime;
+} RRTimesRec, *RRTimesPtr;
+
+typedef struct _RRClient {
+    int		major_version;
+    int		minor_version;
+/*  RRTimesRec	times[0]; */
+} RRClientRec, *RRClientPtr;
+
+/*
+ * each window has a list of clients requesting
+ * RRNotify events.  Each client has a resource
+ * for each window it selects RRNotify input for,
+ * this resource is used to delete the RRNotifyRec
+ * entry from the per-window queue.
+ */
+
+typedef struct _RREvent *RREventPtr;
+
+typedef struct _RREvent {
+    RREventPtr  next;
+    ClientPtr	client;
+    WindowPtr	window;
+    XID		clientResource;
+    int		mask;
+} RREventRec;
+
+int	rrPrivIndex = -1;
+
+#define GetRRClient(pClient)    ((RRClientPtr) (pClient)->devPrivates[RRClientPrivateIndex].ptr)
+#define rrClientPriv(pClient)	RRClientPtr pRRClient = GetRRClient(pClient)
+
+static Bool
+RRClientKnowsRates (ClientPtr	pClient)
+{
+    rrClientPriv(pClient);
+
+    return (pRRClient->major_version > 1 ||
+	    (pRRClient->major_version == 1 && pRRClient->minor_version >= 1));
+}
+
+static void
+RRClientCallback (CallbackListPtr	*list,
+		  pointer		closure,
+		  pointer		data)
+{
+    NewClientInfoRec	*clientinfo = (NewClientInfoRec *) data;
+    ClientPtr		pClient = clientinfo->client;
+    rrClientPriv(pClient);
+    RRTimesPtr		pTimes = (RRTimesPtr) (pRRClient + 1);
+    int			i;
+
+    pRRClient->major_version = 0;
+    pRRClient->minor_version = 0;
+    for (i = 0; i < screenInfo.numScreens; i++)
+    {
+	ScreenPtr   pScreen = screenInfo.screens[i];
+	rrScrPriv(pScreen);
+
+	if (pScrPriv)
+	{
+	    pTimes[i].setTime = pScrPriv->lastSetTime;
+	    pTimes[i].configTime = pScrPriv->lastConfigTime;
+	}
+    }
+}
+
+static void
+RRResetProc (ExtensionEntry *extEntry)
+{
+}
+    
+static Bool
+RRCloseScreen (int i, ScreenPtr pScreen)
+{
+    rrScrPriv(pScreen);
+
+    unwrap (pScrPriv, pScreen, CloseScreen);
+    if (pScrPriv->pSizes)
+	xfree (pScrPriv->pSizes);
+    xfree (pScrPriv);
+    RRNScreens -= 1;	/* ok, one fewer screen with RandR running */
+    return (*pScreen->CloseScreen) (i, pScreen);    
+}
+
+static void
+SRRScreenChangeNotifyEvent(xRRScreenChangeNotifyEvent *from,
+			   xRRScreenChangeNotifyEvent *to)
+{
+    to->type = from->type;
+    to->rotation = from->rotation;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->timestamp, to->timestamp);
+    cpswapl(from->configTimestamp, to->configTimestamp);
+    cpswapl(from->root, to->root);
+    cpswapl(from->window, to->window);
+    cpswaps(from->sizeID, to->sizeID);
+    cpswaps(from->widthInPixels, to->widthInPixels);
+    cpswaps(from->heightInPixels, to->heightInPixels);
+    cpswaps(from->widthInMillimeters, to->widthInMillimeters);
+    cpswaps(from->heightInMillimeters, to->heightInMillimeters);
+    cpswaps(from->subpixelOrder, to->subpixelOrder);
+}
+
+Bool RRScreenInit(ScreenPtr pScreen)
+{
+    rrScrPrivPtr   pScrPriv;
+
+    if (RRGeneration != serverGeneration)
+    {
+	if ((rrPrivIndex = AllocateScreenPrivateIndex()) < 0)
+	    return FALSE;
+	RRGeneration = serverGeneration;
+    }
+
+    pScrPriv = (rrScrPrivPtr) xalloc (sizeof (rrScrPrivRec));
+    if (!pScrPriv)
+	return FALSE;
+
+    SetRRScreen(pScreen, pScrPriv);
+
+    /*
+     * Calling function best set these function vectors
+     */
+    pScrPriv->rrSetConfig = 0;
+    pScrPriv->rrGetInfo = 0;
+    /*
+     * This value doesn't really matter -- any client must call
+     * GetScreenInfo before reading it which will automatically update
+     * the time
+     */
+    pScrPriv->lastSetTime = currentTime;
+    pScrPriv->lastConfigTime = currentTime;
+    
+    wrap (pScrPriv, pScreen, CloseScreen, RRCloseScreen);
+
+    pScrPriv->rotations = RR_Rotate_0;
+    
+    pScrPriv->nSizes = 0;
+    pScrPriv->nSizesInUse = 0;
+    pScrPriv->pSizes = 0;
+    
+    pScrPriv->rotation = RR_Rotate_0;
+    pScrPriv->size = -1;
+    
+    RRNScreens += 1;	/* keep count of screens that implement randr */
+    return TRUE;
+}
+
+/*ARGSUSED*/
+static int
+RRFreeClient (pointer data, XID id)
+{
+    RREventPtr   pRREvent;
+    WindowPtr	    pWin;
+    RREventPtr   *pHead, pCur, pPrev;
+
+    pRREvent = (RREventPtr) data;
+    pWin = pRREvent->window;
+    pHead = (RREventPtr *) LookupIDByType(pWin->drawable.id, EventType);
+    if (pHead) {
+	pPrev = 0;
+	for (pCur = *pHead; pCur && pCur != pRREvent; pCur=pCur->next)
+	    pPrev = pCur;
+	if (pCur)
+	{
+	    if (pPrev)
+	    	pPrev->next = pRREvent->next;
+	    else
+	    	*pHead = pRREvent->next;
+	}
+    }
+    xfree ((pointer) pRREvent);
+    return 1;
+}
+
+/*ARGSUSED*/
+static int
+RRFreeEvents (pointer data, XID id)
+{
+    RREventPtr   *pHead, pCur, pNext;
+
+    pHead = (RREventPtr *) data;
+    for (pCur = *pHead; pCur; pCur = pNext) {
+	pNext = pCur->next;
+	FreeResource (pCur->clientResource, ClientType);
+	xfree ((pointer) pCur);
+    }
+    xfree ((pointer) pHead);
+    return 1;
+}
+
+void
+RRExtensionInit (void)
+{
+    ExtensionEntry *extEntry;
+
+    if (RRNScreens == 0) return;
+
+    RRClientPrivateIndex = AllocateClientPrivateIndex ();
+    if (!AllocateClientPrivate (RRClientPrivateIndex,
+				sizeof (RRClientRec) +
+				screenInfo.numScreens * sizeof (RRTimesRec)))
+	return;
+    if (!AddCallback (&ClientStateCallback, RRClientCallback, 0))
+	return;
+
+    ClientType = CreateNewResourceType(RRFreeClient);
+    if (!ClientType)
+	return;
+    EventType = CreateNewResourceType(RRFreeEvents);
+    if (!EventType)
+	return;
+    extEntry = AddExtension (RANDR_NAME, RRNumberEvents, RRNumberErrors,
+			     ProcRRDispatch, SProcRRDispatch,
+			     RRResetProc, StandardMinorOpcode);
+    if (!extEntry)
+	return;
+#if 0
+    RRReqCode = (CARD8) extEntry->base;
+    RRErrBase = extEntry->errorBase;
+#endif
+    RREventBase = extEntry->eventBase;
+    EventSwapVector[RREventBase + RRScreenChangeNotify] = (EventSwapPtr) 
+      SRRScreenChangeNotifyEvent;
+
+    return;
+}
+		
+static int
+TellChanged (WindowPtr pWin, pointer value)
+{
+    RREventPtr			*pHead, pRREvent;
+    ClientPtr			client;
+    xRRScreenChangeNotifyEvent	se;
+    ScreenPtr			pScreen = pWin->drawable.pScreen;
+    rrScrPriv(pScreen);
+    RRScreenSizePtr		pSize;
+    WindowPtr			pRoot = WindowTable[pScreen->myNum];
+
+    pHead = (RREventPtr *) LookupIDByType (pWin->drawable.id, EventType);
+    if (!pHead)
+	return WT_WALKCHILDREN;
+
+    se.type = RRScreenChangeNotify + RREventBase;
+    se.rotation = (CARD8) pScrPriv->rotation;
+    se.timestamp = pScrPriv->lastSetTime.milliseconds;
+    se.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    se.root =  pRoot->drawable.id;
+    se.window = pWin->drawable.id;
+#ifdef RENDER
+    se.subpixelOrder = PictureGetSubpixelOrder (pScreen);
+#else
+    se.subpixelOrder = SubPixelUnknown;
+#endif
+    if (pScrPriv->size >= 0)
+    {
+	pSize = &pScrPriv->pSizes[pScrPriv->size];
+	se.sizeID = pSize->id;
+	se.widthInPixels = pSize->width;
+	se.heightInPixels = pSize->height;
+	se.widthInMillimeters = pSize->mmWidth;
+	se.heightInMillimeters = pSize->mmHeight;
+    }
+    else
+    {
+	/*
+	 * This "shouldn't happen", but a broken DDX can
+	 * forget to set the current configuration on GetInfo
+	 */
+	se.sizeID = 0xffff;
+	se.widthInPixels = 0;
+	se.heightInPixels = 0;
+	se.widthInMillimeters = 0;
+	se.heightInMillimeters = 0;
+    }    
+    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) 
+    {
+	client = pRREvent->client;
+	if (client == serverClient || client->clientGone)
+	    continue;
+	se.sequenceNumber = client->sequence;
+	if(pRREvent->mask & RRScreenChangeNotifyMask)
+	  WriteEventsToClient (client, 1, (xEvent *) &se);
+    }
+    return WT_WALKCHILDREN;
+}
+
+static Bool
+RRGetInfo (ScreenPtr pScreen)
+{
+    rrScrPriv (pScreen);
+    int		    i, j, k, l;
+    Bool	    changed;
+    Rotation	    rotations;
+    RRScreenSizePtr pSize;
+    RRScreenRatePtr pRate;
+
+    for (i = 0; i < pScrPriv->nSizes; i++)
+    {
+	pSize = &pScrPriv->pSizes[i];
+	pSize->oldReferenced = pSize->referenced;
+	pSize->referenced = FALSE;
+	for (k = 0; k < pSize->nRates; k++)
+	{
+	    pRate = &pSize->pRates[k];
+	    pRate->oldReferenced = pRate->referenced;
+	    pRate->referenced = FALSE;
+	}
+    }
+    if (!(*pScrPriv->rrGetInfo) (pScreen, &rotations))
+	return FALSE;
+
+    changed = FALSE;
+
+    /*
+     * Check whether anything changed and simultaneously generate
+     * the protocol id values for the objects
+     */
+    if (rotations != pScrPriv->rotations)
+    {
+	pScrPriv->rotations = rotations;
+	changed = TRUE;
+    }
+
+    j = 0;
+    for (i = 0; i < pScrPriv->nSizes; i++)
+    {
+	pSize = &pScrPriv->pSizes[i];
+	if (pSize->oldReferenced != pSize->referenced)
+	    changed = TRUE;
+	if (pSize->referenced)
+	    pSize->id = j++;
+	l = 0;
+	for (k = 0; k < pSize->nRates; k++)
+	{
+	    pRate = &pSize->pRates[k];
+	    if (pRate->oldReferenced != pRate->referenced)
+		changed = TRUE;
+	    if (pRate->referenced)
+		l++;
+	}
+	pSize->nRatesInUse = l;
+    }
+    pScrPriv->nSizesInUse = j;
+    if (changed)
+    {
+	UpdateCurrentTime ();
+	pScrPriv->lastConfigTime = currentTime;
+	WalkTree (pScreen, TellChanged, (pointer) pScreen);
+    }
+    return TRUE;
+}
+
+static void
+RRSendConfigNotify (ScreenPtr pScreen)
+{
+    WindowPtr	pWin = WindowTable[pScreen->myNum];
+    xEvent	event;
+
+    event.u.u.type = ConfigureNotify;
+    event.u.configureNotify.window = pWin->drawable.id;
+    event.u.configureNotify.aboveSibling = None;
+    event.u.configureNotify.x = 0;
+    event.u.configureNotify.y = 0;
+
+    /* XXX xinerama stuff ? */
+    
+    event.u.configureNotify.width = pWin->drawable.width;
+    event.u.configureNotify.height = pWin->drawable.height;
+    event.u.configureNotify.borderWidth = wBorderWidth (pWin);
+    event.u.configureNotify.override = pWin->overrideRedirect;
+    DeliverEvents(pWin, &event, 1, NullWindow);
+}
+
+static int
+ProcRRQueryVersion (ClientPtr client)
+{
+    xRRQueryVersionReply rep;
+    register int n;
+    REQUEST(xRRQueryVersionReq);
+    rrClientPriv(client);
+
+    REQUEST_SIZE_MATCH(xRRQueryVersionReq);
+    pRRClient->major_version = stuff->majorVersion;
+    pRRClient->minor_version = stuff->minorVersion;
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.majorVersion = RANDR_MAJOR;
+    rep.minorVersion = RANDR_MINOR;
+    if (client->swapped) {
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.majorVersion, n);
+	swapl(&rep.minorVersion, n);
+    }
+    WriteToClient(client, sizeof(xRRQueryVersionReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+
+extern char	*ConnectionInfo;
+
+static int padlength[4] = {0, 3, 2, 1};
+
+static void
+RREditConnectionInfo (ScreenPtr pScreen)
+{
+    xConnSetup	    *connSetup;
+    char	    *vendor;
+    xPixmapFormat   *formats;
+    xWindowRoot	    *root;
+    xDepth	    *depth;
+    xVisualType	    *visual;
+    int		    screen = 0;
+    int		    d;
+
+    connSetup = (xConnSetup *) ConnectionInfo;
+    vendor = (char *) connSetup + sizeof (xConnSetup);
+    formats = (xPixmapFormat *) ((char *) vendor +
+				 connSetup->nbytesVendor +
+				 padlength[connSetup->nbytesVendor & 3]);
+    root = (xWindowRoot *) ((char *) formats +
+			    sizeof (xPixmapFormat) * screenInfo.numPixmapFormats);
+    while (screen != pScreen->myNum)
+    {
+	depth = (xDepth *) ((char *) root + 
+			    sizeof (xWindowRoot));
+	for (d = 0; d < root->nDepths; d++)
+	{
+	    visual = (xVisualType *) ((char *) depth +
+				      sizeof (xDepth));
+	    depth = (xDepth *) ((char *) visual +
+				depth->nVisuals * sizeof (xVisualType));
+	}
+	root = (xWindowRoot *) ((char *) depth);
+	screen++;
+    }
+    root->pixWidth = pScreen->width;
+    root->pixHeight = pScreen->height;
+    root->mmWidth = pScreen->mmWidth;
+    root->mmHeight = pScreen->mmHeight;
+}
+
+static int
+ProcRRGetScreenInfo (ClientPtr client)
+{
+    REQUEST(xRRGetScreenInfoReq);
+    xRRGetScreenInfoReply   rep;
+    WindowPtr	    	    pWin;
+    int			    n;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    CARD8		    *extra;
+    unsigned long	    extraLen;
+
+    REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
+    pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
+					   SecurityReadAccess);
+
+    if (!pWin)
+	return BadWindow;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    rep.pad = 0;
+    if (!pScrPriv)
+    {
+	rep.type = X_Reply;
+	rep.setOfRotations = RR_Rotate_0;;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
+	rep.timestamp = currentTime.milliseconds;
+	rep.configTimestamp = currentTime.milliseconds;
+	rep.nSizes = 0;
+	rep.sizeID = 0;
+	rep.rotation = RR_Rotate_0;
+	rep.rate = 0;
+	rep.nrateEnts = 0;
+	extra = 0;
+	extraLen = 0;
+    }
+    else
+    {
+	int			i, j;
+	xScreenSizes		*size;
+	CARD16			*rates;
+	CARD8			*data8;
+	Bool			has_rate = RRClientKnowsRates (client);
+    
+	RRGetInfo (pScreen);
+
+	rep.type = X_Reply;
+	rep.setOfRotations = pScrPriv->rotations;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
+	rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+	rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+	rep.rotation = pScrPriv->rotation;
+	rep.nSizes = pScrPriv->nSizesInUse;
+	rep.rate = pScrPriv->rate;
+        rep.nrateEnts = 0;
+	if (has_rate)
+	{
+	    for (i = 0; i < pScrPriv->nSizes; i++)
+	    {
+		RRScreenSizePtr pSize = &pScrPriv->pSizes[i];
+		if (pSize->referenced)
+		{
+		    rep.nrateEnts += (1 + pSize->nRatesInUse);
+		}
+	    }
+	}
+
+	if (pScrPriv->size >= 0)
+	    rep.sizeID = pScrPriv->pSizes[pScrPriv->size].id;
+	else
+	    return BadImplementation;
+
+	extraLen = (rep.nSizes * sizeof (xScreenSizes) +
+		    rep.nrateEnts * sizeof (CARD16));
+
+	extra = (CARD8 *) xalloc (extraLen);
+	if (!extra)
+	    return BadAlloc;
+	/*
+	 * First comes the size information
+	 */
+	size = (xScreenSizes *) extra;
+	rates = (CARD16 *) (size + rep.nSizes);
+	for (i = 0; i < pScrPriv->nSizes; i++)
+	{
+	    RRScreenSizePtr pSize = &pScrPriv->pSizes[i];
+	    if (pSize->referenced)
+	    {
+		size->widthInPixels = pSize->width;
+		size->heightInPixels = pSize->height;
+		size->widthInMillimeters = pSize->mmWidth;
+		size->heightInMillimeters = pSize->mmHeight;
+		if (client->swapped)
+		{
+		    swaps (&size->widthInPixels, n);
+		    swaps (&size->heightInPixels, n);
+		    swaps (&size->widthInMillimeters, n);
+		    swaps (&size->heightInMillimeters, n);
+		}
+		size++;
+		if (has_rate)
+		{
+		    *rates = pSize->nRatesInUse;
+		    if (client->swapped)
+		    {
+			swaps (rates, n);
+		    }
+		    rates++;
+		    for (j = 0; j < pSize->nRates; j++)
+		    {
+			RRScreenRatePtr	pRate = &pSize->pRates[j];
+			if (pRate->referenced)
+			{
+			    *rates = pRate->rate;
+			    if (client->swapped)
+			    {
+				swaps (rates, n);
+			    }
+			    rates++;
+			}
+		    }
+		}
+	    }
+	}
+	data8 = (CARD8 *) rates;
+
+	if (data8 - (CARD8 *) extra != extraLen)
+	    FatalError ("RRGetScreenInfo bad extra len %ld != %ld\n",
+			(unsigned long)(data8 - (CARD8 *) extra), extraLen);
+	rep.length =  (extraLen + 3) >> 2;
+    }
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swaps(&rep.rotation, n);
+	swaps(&rep.nSizes, n);
+	swaps(&rep.sizeID, n);
+	swaps(&rep.rate, n);
+	swaps(&rep.nrateEnts, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenInfoReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    return (client->noClientException);
+}
+
+static int
+ProcRRSetScreenConfig (ClientPtr client)
+{
+    REQUEST(xRRSetScreenConfigReq);
+    xRRSetScreenConfigReply rep;
+    DrawablePtr		    pDraw;
+    int			    n;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    TimeStamp		    configTime;
+    TimeStamp		    time;
+    RRScreenSizePtr	    pSize;
+    int			    i;
+    Rotation		    rotation;
+    int			    rate;
+    short		    oldWidth, oldHeight;
+    Bool		    has_rate;
+
+    UpdateCurrentTime ();
+
+    if (RRClientKnowsRates (client))
+    {
+	REQUEST_SIZE_MATCH (xRRSetScreenConfigReq);
+	has_rate = TRUE;
+    }
+    else
+    {
+	REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq);
+	has_rate = FALSE;
+    }
+    
+    SECURITY_VERIFY_DRAWABLE(pDraw, stuff->drawable, client,
+			     SecurityWriteAccess);
+
+    pScreen = pDraw->pScreen;
+
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    time = ClientTimeToServerTime(stuff->timestamp);
+    configTime = ClientTimeToServerTime(stuff->configTimestamp);
+    
+    oldWidth = pScreen->width;
+    oldHeight = pScreen->height;
+    
+    if (!pScrPriv)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    if (!RRGetInfo (pScreen))
+	return BadAlloc;
+    
+    /*
+     * if the client's config timestamp is not the same as the last config
+     * timestamp, then the config information isn't up-to-date and
+     * can't even be validated
+     */
+    if (CompareTimeStamps (configTime, pScrPriv->lastConfigTime) != 0)
+    {
+	rep.status = RRSetConfigInvalidConfigTime;
+	goto sendReply;
+    }
+    
+    /*
+     * Search for the requested size
+     */
+    pSize = 0;
+    for (i = 0; i < pScrPriv->nSizes; i++)
+    {
+	pSize = &pScrPriv->pSizes[i];
+	if (pSize->referenced && pSize->id == stuff->sizeID)
+	{
+	    break;
+	}
+    }
+    if (i == pScrPriv->nSizes)
+    {
+	/*
+	 * Invalid size ID
+	 */
+	client->errorValue = stuff->sizeID;
+	return BadValue;
+    }
+    
+    /*
+     * Validate requested rotation
+     */
+    rotation = (Rotation) stuff->rotation;
+
+    /* test the rotation bits only! */
+    switch (rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_90:
+    case RR_Rotate_180:
+    case RR_Rotate_270:
+	break;
+    default:
+	/*
+	 * Invalid rotation
+	 */
+	client->errorValue = stuff->rotation;
+	return BadValue;
+    }
+
+    if ((~pScrPriv->rotations) & rotation)
+    {
+	/*
+	 * requested rotation or reflection not supported by screen
+	 */
+	client->errorValue = stuff->rotation;
+	return BadMatch;
+    }
+
+    /*
+     * Validate requested refresh
+     */
+    if (has_rate)
+	rate = (int) stuff->rate;
+    else
+	rate = 0;
+
+    if (rate)
+    {
+	for (i = 0; i < pSize->nRates; i++)
+	{
+	    RRScreenRatePtr pRate = &pSize->pRates[i];
+	    if (pRate->referenced && pRate->rate == rate)
+		break;
+	}
+	if (i == pSize->nRates)
+	{
+	    /*
+	     * Invalid rate
+	     */
+	    client->errorValue = rate;
+	    return BadValue;
+	}
+    }
+    
+    /*
+     * Make sure the requested set-time is not older than
+     * the last set-time
+     */
+    if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0)
+    {
+	rep.status = RRSetConfigInvalidTime;
+	goto sendReply;
+    }
+
+    /*
+     * call out to ddx routine to effect the change
+     */
+    if (!(*pScrPriv->rrSetConfig) (pScreen, rotation, rate,
+				   pSize))
+    {
+	/*
+	 * unknown DDX failure, report to client
+	 */
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    
+    /*
+     * set current extension configuration pointers
+     */
+    RRSetCurrentConfig (pScreen, rotation, rate, pSize);
+    
+    /*
+     * Deliver ScreenChangeNotify events whenever
+     * the configuration is updated
+     */
+    WalkTree (pScreen, TellChanged, (pointer) pScreen);
+    
+    /*
+     * Deliver ConfigureNotify events when root changes
+     * pixel size
+     */
+    if (oldWidth != pScreen->width || oldHeight != pScreen->height)
+	RRSendConfigNotify (pScreen);
+    RREditConnectionInfo (pScreen);
+    
+    /*
+     * Fix pointer bounds and location
+     */
+    ScreenRestructured (pScreen);
+    pScrPriv->lastSetTime = time;
+    
+    /*
+     * Report Success
+     */
+    rep.status = RRSetConfigSuccess;
+    
+sendReply:
+    
+    rep.type = X_Reply;
+    /* rep.status has already been filled in */
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+
+    rep.newTimestamp = pScrPriv->lastSetTime.milliseconds;
+    rep.newConfigTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    rep.root = WindowTable[pDraw->pScreen->myNum]->drawable.id;
+
+    if (client->swapped) 
+    {
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.newTimestamp, n);
+	swapl(&rep.newConfigTimestamp, n);
+	swapl(&rep.root, n);
+    }
+    WriteToClient(client, sizeof(xRRSetScreenConfigReply), (char *)&rep);
+
+    return (client->noClientException);
+}
+
+int
+RRSetScreenConfig (ScreenPtr		pScreen,
+		   Rotation		rotation,
+		   int			rate,
+		   RRScreenSizePtr	pSize)
+{
+    rrScrPrivPtr	    pScrPriv;
+    int			    i;
+    short		    oldWidth, oldHeight;
+
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    oldWidth = pScreen->width;
+    oldHeight = pScreen->height;
+    
+    if (!RRGetInfo (pScreen))
+	return BadAlloc;
+    
+    /*
+     * Validate requested rotation
+     */
+
+    /* test the rotation bits only! */
+    switch (rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_90:
+    case RR_Rotate_180:
+    case RR_Rotate_270:
+	break;
+    default:
+	/*
+	 * Invalid rotation
+	 */
+	return BadValue;
+    }
+
+    if ((~pScrPriv->rotations) & rotation)
+    {
+	/*
+	 * requested rotation or reflection not supported by screen
+	 */
+	return BadMatch;
+    }
+
+    /*
+     * Validate requested refresh
+     */
+    if (rate)
+    {
+	for (i = 0; i < pSize->nRates; i++)
+	{
+	    RRScreenRatePtr pRate = &pSize->pRates[i];
+	    if (pRate->referenced && pRate->rate == rate)
+		break;
+	}
+	if (i == pSize->nRates)
+	{
+	    /*
+	     * Invalid rate
+	     */
+	    return BadValue;
+	}
+    }
+
+    /*
+     * call out to ddx routine to effect the change
+     */
+    if (!(*pScrPriv->rrSetConfig) (pScreen, rotation, rate,
+				   pSize))
+    {
+	/*
+	 * unknown DDX failure, report to client
+	 */
+        return BadImplementation;
+    }
+    
+    /*
+     * set current extension configuration pointers
+     */
+    RRSetCurrentConfig (pScreen, rotation, rate, pSize);
+    
+    /*
+     * Deliver ScreenChangeNotify events whenever
+     * the configuration is updated
+     */
+    WalkTree (pScreen, TellChanged, (pointer) pScreen);
+    
+    /*
+     * Deliver ConfigureNotify events when root changes
+     * pixel size
+     */
+    if (oldWidth != pScreen->width || oldHeight != pScreen->height)
+	RRSendConfigNotify (pScreen);
+    RREditConnectionInfo (pScreen);
+    
+    /*
+     * Fix pointer bounds and location
+     */
+    ScreenRestructured (pScreen);
+    
+    return Success;
+}
+
+static int
+ProcRRSelectInput (ClientPtr client)
+{
+    REQUEST(xRRSelectInputReq);
+    rrClientPriv(client);
+    RRTimesPtr	pTimes;
+    WindowPtr	pWin;
+    RREventPtr	pRREvent, pNewRREvent, *pHead;
+    XID		clientResource;
+
+    REQUEST_SIZE_MATCH(xRRSelectInputReq);
+    pWin = SecurityLookupWindow (stuff->window, client, SecurityWriteAccess);
+    if (!pWin)
+	return BadWindow;
+    pHead = (RREventPtr *)SecurityLookupIDByType(client,
+						 pWin->drawable.id, EventType,
+						 SecurityWriteAccess);
+
+    if (stuff->enable & (RRScreenChangeNotifyMask)) 
+    {
+	ScreenPtr	pScreen = pWin->drawable.pScreen;
+	rrScrPriv	(pScreen);
+
+	if (pHead) 
+	{
+	    /* check for existing entry. */
+	    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next)
+		if (pRREvent->client == client)
+		    return Success;
+	}
+
+	/* build the entry */
+	pNewRREvent = (RREventPtr) xalloc (sizeof (RREventRec));
+	if (!pNewRREvent)
+	    return BadAlloc;
+	pNewRREvent->next = 0;
+	pNewRREvent->client = client;
+	pNewRREvent->window = pWin;
+	pNewRREvent->mask = stuff->enable;
+	/*
+	 * add a resource that will be deleted when
+	 * the client goes away
+	 */
+	clientResource = FakeClientID (client->index);
+	pNewRREvent->clientResource = clientResource;
+	if (!AddResource (clientResource, ClientType, (pointer)pNewRREvent))
+	    return BadAlloc;
+	/*
+	 * create a resource to contain a pointer to the list
+	 * of clients selecting input.  This must be indirect as
+	 * the list may be arbitrarily rearranged which cannot be
+	 * done through the resource database.
+	 */
+	if (!pHead)
+	{
+	    pHead = (RREventPtr *) xalloc (sizeof (RREventPtr));
+	    if (!pHead ||
+		!AddResource (pWin->drawable.id, EventType, (pointer)pHead))
+	    {
+		FreeResource (clientResource, RT_NONE);
+		return BadAlloc;
+	    }
+	    *pHead = 0;
+	}
+	pNewRREvent->next = *pHead;
+	*pHead = pNewRREvent;
+	/*
+	 * Now see if the client needs an event
+	 */
+	if (pScrPriv)
+	{
+	    pTimes = &((RRTimesPtr) (pRRClient + 1))[pScreen->myNum];
+	    if (CompareTimeStamps (pTimes->setTime, 
+				   pScrPriv->lastSetTime) != 0 ||
+		CompareTimeStamps (pTimes->configTime, 
+				   pScrPriv->lastConfigTime) != 0)
+	    {
+		TellChanged (pWin, (pointer) pScreen);
+	    }
+	}
+    }
+    else if (stuff->enable == xFalse) 
+    {
+	/* delete the interest */
+	if (pHead) {
+	    pNewRREvent = 0;
+	    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) {
+		if (pRREvent->client == client)
+		    break;
+		pNewRREvent = pRREvent;
+	    }
+	    if (pRREvent) {
+		FreeResource (pRREvent->clientResource, ClientType);
+		if (pNewRREvent)
+		    pNewRREvent->next = pRREvent->next;
+		else
+		    *pHead = pRREvent->next;
+		xfree (pRREvent);
+	    }
+	}
+    }
+    else 
+    {
+	client->errorValue = stuff->enable;
+	return BadValue;
+    }
+    return Success;
+}
+
+
+static int
+ProcRRDispatch (ClientPtr client)
+{
+    REQUEST(xReq);
+    switch (stuff->data)
+    {
+    case X_RRQueryVersion:
+	return ProcRRQueryVersion(client);
+    case X_RRSetScreenConfig:
+        return ProcRRSetScreenConfig(client);
+    case X_RRSelectInput:
+        return ProcRRSelectInput(client);
+    case X_RRGetScreenInfo:
+        return ProcRRGetScreenInfo(client);
+    default:
+	return BadRequest;
+    }
+}
+
+static int
+SProcRRQueryVersion (ClientPtr client)
+{
+    register int n;
+    REQUEST(xRRQueryVersionReq);
+
+    swaps(&stuff->length, n);
+    swapl(&stuff->majorVersion, n);
+    swapl(&stuff->minorVersion, n);
+    return ProcRRQueryVersion(client);
+}
+
+static int
+SProcRRGetScreenInfo (ClientPtr client)
+{
+    register int n;
+    REQUEST(xRRGetScreenInfoReq);
+
+    swaps(&stuff->length, n);
+    swapl(&stuff->window, n);
+    return ProcRRGetScreenInfo(client);
+}
+
+static int
+SProcRRSetScreenConfig (ClientPtr client)
+{
+    register int n;
+    REQUEST(xRRSetScreenConfigReq);
+
+    if (RRClientKnowsRates (client))
+    {
+	REQUEST_SIZE_MATCH (xRRSetScreenConfigReq);
+	swaps (&stuff->rate, n);
+    }
+    else
+    {
+	REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq);
+    }
+    
+    swaps(&stuff->length, n);
+    swapl(&stuff->drawable, n);
+    swapl(&stuff->timestamp, n);
+    swaps(&stuff->sizeID, n);
+    swaps(&stuff->rotation, n);
+    return ProcRRSetScreenConfig(client);
+}
+
+static int
+SProcRRSelectInput (ClientPtr client)
+{
+    register int n;
+    REQUEST(xRRSelectInputReq);
+
+    swaps(&stuff->length, n);
+    swapl(&stuff->window, n);
+    return ProcRRSelectInput(client);
+}
+
+
+static int
+SProcRRDispatch (ClientPtr client)
+{
+    REQUEST(xReq);
+    switch (stuff->data)
+    {
+    case X_RRQueryVersion:
+	return SProcRRQueryVersion(client);
+    case X_RRSetScreenConfig:
+        return SProcRRSetScreenConfig(client);
+    case X_RRSelectInput:
+        return SProcRRSelectInput(client);
+    case X_RRGetScreenInfo:
+        return SProcRRGetScreenInfo(client);
+    default:
+	return BadRequest;
+    }
+}
+
+
+static Bool
+RRScreenSizeMatches (RRScreenSizePtr  a,
+		   RRScreenSizePtr  b)
+{
+    if (a->width != b->width)
+	return FALSE;
+    if (a->height != b->height)
+	return FALSE;
+    if (a->mmWidth != b->mmWidth)
+	return FALSE;
+    if (a->mmHeight != b->mmHeight)
+	return FALSE;
+    return TRUE;
+}
+
+RRScreenSizePtr
+RRRegisterSize (ScreenPtr	    pScreen,
+		short		    width, 
+		short		    height,
+		short		    mmWidth,
+		short		    mmHeight)
+{
+    rrScrPriv (pScreen);
+    int		    i;
+    RRScreenSize    tmp;
+    RRScreenSizePtr pNew;
+
+    if (!pScrPriv)
+	return 0;
+    
+    tmp.width = width;
+    tmp.height= height;
+    tmp.mmWidth = mmWidth;
+    tmp.mmHeight = mmHeight;
+    tmp.pRates = 0;
+    tmp.nRates = 0;
+    tmp.nRatesInUse = 0;
+    tmp.referenced = TRUE;
+    tmp.oldReferenced = FALSE;
+    for (i = 0; i < pScrPriv->nSizes; i++)
+	if (RRScreenSizeMatches (&tmp, &pScrPriv->pSizes[i]))
+	{
+	    pScrPriv->pSizes[i].referenced = TRUE;
+	    return &pScrPriv->pSizes[i];
+	}
+    pNew = xrealloc (pScrPriv->pSizes,
+		     (pScrPriv->nSizes + 1) * sizeof (RRScreenSize));
+    if (!pNew)
+	return 0;
+    pNew[pScrPriv->nSizes++] = tmp;
+    pScrPriv->pSizes = pNew;
+    return &pNew[pScrPriv->nSizes-1];
+}
+
+Bool RRRegisterRate (ScreenPtr		pScreen,
+		     RRScreenSizePtr	pSize,
+		     int		rate)
+{
+    rrScrPriv(pScreen);
+    int		    i;
+    RRScreenRatePtr pNew, pRate;
+
+    if (!pScrPriv)
+	return FALSE;
+    
+    for (i = 0; i < pSize->nRates; i++)
+    {
+	pRate = &pSize->pRates[i];
+	if (pRate->rate == rate)
+	{
+	    pRate->referenced = TRUE;
+	    return TRUE;
+	}
+    }
+
+    pNew = xrealloc (pSize->pRates,
+		     (pSize->nRates + 1) * sizeof (RRScreenRate));
+    if (!pNew)
+	return FALSE;
+    pRate = &pNew[pSize->nRates++];
+    pRate->rate = rate;
+    pRate->referenced = TRUE;
+    pRate->oldReferenced = FALSE;
+    pSize->pRates = pNew;
+    return TRUE;
+}
+
+void
+RRSetCurrentConfig (ScreenPtr		pScreen,
+		    Rotation		rotation,
+		    int			rate,
+		    RRScreenSizePtr	pSize)
+{
+    rrScrPriv (pScreen);
+
+    if (!pScrPriv)
+	return;
+
+    pScrPriv->rotation = rotation;
+    pScrPriv->size = pSize - pScrPriv->pSizes;
+    pScrPriv->rate = rate;
+}

nx-X11/programs/Xserver/randr.X.original/randrstr.h

+/*
+ * $XFree86: xc/programs/Xserver/randr/randrstr.h,v 1.5 2002/09/29 23:39:45 keithp Exp $
+ *
+ * Copyright © 2000 Compaq Computer Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Compaq not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Compaq makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * COMPAQ DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL COMPAQ BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#ifndef _RANDRSTR_H_
+#define _RANDRSTR_H_
+
+#include <X11/extensions/randr.h>
+
+typedef struct _rrScreenRate {
+    int		    rate;
+    Bool	    referenced;
+    Bool	    oldReferenced;
+} RRScreenRate, *RRScreenRatePtr;
+
+typedef struct _rrScreenSize {
+    int		    id;
+    short	    width, height;
+    short	    mmWidth, mmHeight;
+    RRScreenRatePtr pRates;
+    int		    nRates;
+    int		    nRatesInUse;
+    Bool	    referenced;
+    Bool	    oldReferenced;
+} RRScreenSize, *RRScreenSizePtr;
+
+typedef Bool (*RRSetConfigProcPtr) (ScreenPtr		pScreen,
+				    Rotation		rotation,
+				    int			rate,
+				    RRScreenSizePtr	pSize);
+
+typedef Bool (*RRGetInfoProcPtr) (ScreenPtr pScreen, Rotation *rotations);
+typedef Bool (*RRCloseScreenProcPtr) ( int i, ScreenPtr pscreen);
+	
+typedef struct _rrScrPriv {
+    RRSetConfigProcPtr	    rrSetConfig;
+    RRGetInfoProcPtr	    rrGetInfo;
+    
+    TimeStamp		    lastSetTime;	/* last changed by client */
+    TimeStamp		    lastConfigTime;	/* possible configs changed */
+    RRCloseScreenProcPtr    CloseScreen;
+
+    /*
+     * Configuration information
+     */
+    Rotation		    rotations;
+    
+    int			    nSizes;
+    int			    nSizesInUse;
+    RRScreenSizePtr	    pSizes;
+
+    /*
+     * Current state
+     */
+    Rotation		    rotation;
+    int			    size;
+    int			    rate;
+} rrScrPrivRec, *rrScrPrivPtr;
+
+extern int rrPrivIndex;
+
+#define rrGetScrPriv(pScr)  ((rrScrPrivPtr) (pScr)->devPrivates[rrPrivIndex].ptr)
+#define rrScrPriv(pScr)	rrScrPrivPtr    pScrPriv = rrGetScrPriv(pScr)
+#define SetRRScreen(s,p) ((s)->devPrivates[rrPrivIndex].ptr = (pointer) (p))
+
+/* Initialize the extension */
+void
+RRExtensionInit (void);
+
+/*
+ * Then, register the specific size with the screen
+ */
+
+RRScreenSizePtr
+RRRegisterSize (ScreenPtr		pScreen,
+		short			width, 
+		short			height,
+		short			mmWidth,
+		short			mmHeight);
+
+Bool RRRegisterRate (ScreenPtr		pScreen,
+		     RRScreenSizePtr	pSize,
+		     int		rate);
+
+/*
+ * Finally, set the current configuration of the screen
+ */
+
+void
+RRSetCurrentConfig (ScreenPtr		pScreen,
+		    Rotation		rotation,
+		    int			rate,
+		    RRScreenSizePtr	pSize);
+
+Bool RRScreenInit(ScreenPtr pScreen);
+
+int
+RRSetScreenConfig (ScreenPtr		pScreen,
+		   Rotation		rotation,
+		   int			rate,
+		   RRScreenSizePtr	pSize);
+
+Bool
+miRandRInit (ScreenPtr pScreen);
+
+Bool
+miRRGetInfo (ScreenPtr pScreen, Rotation *rotations);
+
+Bool
+miRRSetConfig (ScreenPtr	pScreen,
+	       Rotation		rotation,
+	       int		rate,
+	       RRScreenSizePtr	size);
+
+Bool
+miRRGetScreenInfo (ScreenPtr pScreen);
+
+#endif /* _RANDRSTR_H_ */

nx-X11/programs/Xserver/randr/Imakefile

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NX-X11, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
 XCOMM $XFree86: xc/programs/Xserver/randr/Imakefile,v 1.1 2001/05/23 03:29:44 keithp Exp $
 #include <Server.tmpl>
 
-       SRCS =	randr.c mirandr.c
+       SRCS =	mirandr.c randr.c rrcrtc.c rrdispatch.c rrinfo.c rrmode.c rroutput.c rrpointer.c rrproperty.c rrscreen.c rrsdispatch.c rrxinerama.c
 
-       OBJS =	randr.o mirandr.o
+       OBJS =	mirandr.o randr.o rrcrtc.o rrdispatch.o rrinfo.o rrmode.o rroutput.o rrpointer.o rrproperty.o rrscreen.o rrsdispatch.o rrxinerama.o
 
    INCLUDES = -I../include -I../mi -I../../../include/fonts \
 		-I../fb -I../hw/kdrive -I$(EXTINCSRC) -I$(XINCLUDESRC) \
 		-I$(FONTINCSRC) -I../render
    LINTLIBS = ../dix/llib-ldix.ln ../os/llib-los.ln
 
+    DEFINES = -DNXAGENT_SERVER
+
 NormalLibraryTarget(randr,$(OBJS))
 NormalLibraryObjectRule()
 LintLibraryTarget(randr,$(SRCS))

nx-X11/programs/Xserver/randr/Imakefile.NX.original

+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NX-X11, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+XCOMM $XFree86: xc/programs/Xserver/randr/Imakefile,v 1.1 2001/05/23 03:29:44 keithp Exp $
+#include <Server.tmpl>
+
+       SRCS =	mirandr.c randr.c rrcrtc.c rrdispatch.c rrinfo.c rrmode.c rroutput.c rrpointer.c rrproperty.c rrscreen.c rrsdispatch.c rrxinerama.c
+
+       OBJS =	mirandr.o randr.o rrcrtc.o rrdispatch.o rrinfo.o rrmode.o rroutput.o rrpointer.o rrproperty.o rrscreen.o rrsdispatch.o rrxinerama.o
+
+   INCLUDES = -I../include -I../mi -I../../../include/fonts \
+		-I../fb -I../hw/kdrive -I$(EXTINCSRC) -I$(XINCLUDESRC) \
+		-I$(FONTINCSRC) -I../render
+   LINTLIBS = ../dix/llib-ldix.ln ../os/llib-los.ln
+
+    DEFINES = -DNXAGENT_SERVER
+
+NormalLibraryTarget(randr,$(OBJS))
+NormalLibraryObjectRule()
+LintLibraryTarget(randr,$(SRCS))
+NormalLintTarget($(SRCS))
+
+DependTarget()

nx-X11/programs/Xserver/randr/Makefile.am

+noinst_LTLIBRARIES = librandr.la
+
+AM_CFLAGS = $(DIX_CFLAGS)
+
+XINERAMA_SRCS = rrxinerama.c
+
+if XORG
+sdk_HEADERS = randrstr.h
+endif
+
+librandr_la_SOURCES =	\
+	mirandr.c	\
+	randr.c		\
+	randrstr.h	\
+	rrcrtc.c	\
+	rrdispatch.c	\
+	rrinfo.c	\
+	rrmode.c	\
+	rroutput.c	\
+	rrpointer.c	\
+	rrproperty.c	\
+	rrscreen.c	\
+	rrsdispatch.c
+
+if XINERAMA
+librandr_la_SOURCES += ${XINERAMA_SRCS}
+endif
+

nx-X11/programs/Xserver/randr/Makefile.in

+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+@XINERAMA_TRUE@am__append_1 = ${XINERAMA_SRCS}
+subdir = randr
+DIST_COMMON = $(am__sdk_HEADERS_DIST) $(srcdir)/Makefile.am \
+	$(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
+	$(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/include/do-not-use-config.h \
+	$(top_builddir)/include/xorg-server.h \
+	$(top_builddir)/include/dix-config.h \
+	$(top_builddir)/include/xgl-config.h \
+	$(top_builddir)/include/xorg-config.h \
+	$(top_builddir)/include/xkb-config.h \
+	$(top_builddir)/include/xwin-config.h \
+	$(top_builddir)/include/kdrive-config.h
+CONFIG_CLEAN_FILES =
+LTLIBRARIES = $(noinst_LTLIBRARIES)
+librandr_la_LIBADD =
+am__librandr_la_SOURCES_DIST = mirandr.c randr.c randrstr.h rrcrtc.c \
+	rrdispatch.c rrinfo.c rrmode.c rroutput.c rrpointer.c \
+	rrproperty.c rrscreen.c rrsdispatch.c rrxinerama.c
+am__objects_1 = rrxinerama.lo
+@XINERAMA_TRUE@am__objects_2 = $(am__objects_1)
+am_librandr_la_OBJECTS = mirandr.lo randr.lo rrcrtc.lo rrdispatch.lo \
+	rrinfo.lo rrmode.lo rroutput.lo rrpointer.lo rrproperty.lo \
+	rrscreen.lo rrsdispatch.lo $(am__objects_2)
+librandr_la_OBJECTS = $(am_librandr_la_OBJECTS)
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/include
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__depfiles_maybe = depfiles
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
+	$(LDFLAGS) -o $@
+SOURCES = $(librandr_la_SOURCES)
+DIST_SOURCES = $(am__librandr_la_SOURCES_DIST)
+am__sdk_HEADERS_DIST = randrstr.h
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
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+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && cd $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    fi; \
+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES) $(HEADERS)
+installdirs:
+	for dir in "$(DESTDIR)$(sdkdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am: install-sdkHEADERS
+
+install-dvi: install-dvi-am
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-info: install-info-am
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-ps: install-ps-am
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-sdkHEADERS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstLTLIBRARIES ctags distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-sdkHEADERS install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags uninstall \
+	uninstall-am uninstall-sdkHEADERS
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

nx-X11/programs/Xserver/randr/mirandr.c

 /*
- * $XFree86: xc/programs/Xserver/randr/mirandr.c,v 1.5 2001/06/04 09:45:40 keithp Exp $
- *
- * Copyright © 2000, Compaq Computer Corporation, 
- * Copyright © 2002, Hewlett Packard, Inc.
+ * Copyright © 2000 Compaq Computer Corporation
+ * Copyright © 2002 Hewlett-Packard Company
+ * Copyright © 2006 Intel Corporation
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Compaq or HP not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission.  HP makes no representations about the
- * suitability of this software for any purpose.  It is provided "as is"
- * without express or implied warranty.
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
  *
- * HP DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL HP
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
  *
- * Author:  Jim Gettys, HP Labs, Hewlett-Packard, Inc.
+ * Author:  Jim Gettys, Hewlett-Packard Company, Inc.
+ *	    Keith Packard, Intel Corporation
  */
 
-
 #ifdef HAVE_DIX_CONFIG_H
 #include <dix-config.h>
 #endif
 
 #include "scrnintstr.h"
 #include "mi.h"
-#include <X11/extensions/randr.h>
 #include "randrstr.h"
 #include <stdio.h>
 
-/*
- * This function assumes that only a single depth can be
- * displayed at a time, but that all visuals of that depth
- * can be displayed simultaneously.  It further assumes that
- * only a single size is available.  Hardware providing
- * additional capabilties should use different code.
- * XXX what to do here....
- */
-
 Bool
 miRRGetInfo (ScreenPtr pScreen, Rotation *rotations)
 {
-    int	i;
-    Bool setConfig = FALSE;
-    
-    *rotations = RR_Rotate_0;
-    for (i = 0; i < pScreen->numDepths; i++)
-    {
-	if (pScreen->allowedDepths[i].numVids)
-	{
-		RRScreenSizePtr		pSize;
-
-		pSize = RRRegisterSize (pScreen,
-					pScreen->width,
-					pScreen->height,
-					pScreen->mmWidth,
-					pScreen->mmHeight);
-		if (!pSize)
-		    return FALSE;
-		if (!setConfig)
-		{
-		    RRSetCurrentConfig (pScreen, RR_Rotate_0, 0, pSize);
-		    setConfig = TRUE;
-		}
-	}
-    }
     return TRUE;
 }
 
@@ -79,24 +45,110 @@ miRRGetInfo (ScreenPtr pScreen, Rotation *rotations)
  * different here
  */
 Bool
-miRRSetConfig (ScreenPtr	pScreen,
+miRRCrtcSet (ScreenPtr	pScreen,
+	     RRCrtcPtr	crtc,
+	     RRModePtr	mode,
+	     int	x,
+	     int	y,
 	     Rotation	rotation,
-	       int		rate,
-	       RRScreenSizePtr	pSize)
+	     int	numOutput,
+	     RROutputPtr *outputs)
+{
+    return TRUE;
+}
+
+static Bool
+miRRCrtcSetGamma (ScreenPtr	pScreen,
+		  RRCrtcPtr	crtc)
 {
     return TRUE;
 }
 
+Bool
+miRROutputSetProperty (ScreenPtr	    pScreen,
+		       RROutputPtr	    output,
+		       Atom		    property,
+		       RRPropertyValuePtr   value)
+{
+    return TRUE;
+}
+
+Bool
+miRROutputValidateMode (ScreenPtr	    pScreen,
+			RROutputPtr	    output,
+			RRModePtr	    mode)
+{
+    return FALSE;
+}
+
+void
+miRRModeDestroy (ScreenPtr  pScreen,
+		 RRModePtr  mode)
+{
+}
+
+/*
+ * This function assumes that only a single depth can be
+ * displayed at a time, but that all visuals of that depth
+ * can be displayed simultaneously.  It further assumes that
+ * only a single size is available.  Hardware providing
+ * additional capabilties should use different code.
+ * XXX what to do here....
+ */
 
 Bool
 miRandRInit (ScreenPtr pScreen)
 {
-    rrScrPrivPtr    rp;
+    rrScrPrivPtr    pScrPriv;
+#if RANDR_12_INTERFACE
+    RRModePtr	mode;
+    RRCrtcPtr	crtc;
+    RROutputPtr	output;
+    xRRModeInfo modeInfo;
+    char	name[64];
+#endif
     
     if (!RRScreenInit (pScreen))
 	return FALSE;
-    rp = rrGetScrPriv(pScreen);
-    rp->rrGetInfo = miRRGetInfo;
-    rp->rrSetConfig = miRRSetConfig;
+    pScrPriv = rrGetScrPriv(pScreen);
+    pScrPriv->rrGetInfo = miRRGetInfo;
+#if RANDR_12_INTERFACE
+    pScrPriv->rrCrtcSet = miRRCrtcSet;
+    pScrPriv->rrCrtcSetGamma = miRRCrtcSetGamma;
+    pScrPriv->rrOutputSetProperty = miRROutputSetProperty;
+    pScrPriv->rrOutputValidateMode = miRROutputValidateMode;
+    pScrPriv->rrModeDestroy = miRRModeDestroy;
+    
+    RRScreenSetSizeRange (pScreen,
+			  pScreen->width, pScreen->height,
+			  pScreen->width, pScreen->height);
+
+    sprintf (name, "%dx%d", pScreen->width, pScreen->height);
+    memset (&modeInfo, '\0', sizeof (modeInfo));
+    modeInfo.width = pScreen->width;
+    modeInfo.height = pScreen->height;
+    modeInfo.nameLength = strlen (name);
+    
+    mode = RRModeGet (&modeInfo, name);
+    if (!mode)
+	return FALSE;
+    
+    crtc = RRCrtcCreate (pScreen, NULL);
+    if (!crtc)
+	return FALSE;
+    
+    output = RROutputCreate (pScreen, "screen", 6, NULL);
+    if (!output)
+	return FALSE;
+    if (!RROutputSetClones (output, NULL, 0))
+	return FALSE;
+    if (!RROutputSetModes (output, &mode, 1, 0))
+	return FALSE;
+    if (!RROutputSetCrtcs (output, &crtc, 1))
+	return FALSE;
+    if (!RROutputSetConnection (output, RR_Connected))
+	return FALSE;
+    RRCrtcNotify (crtc, mode, 0, 0, RR_Rotate_0, 1, &output);
+#endif
     return TRUE;
 }

nx-X11/programs/Xserver/randr/panoramiXproto.h

+/* $Xorg: panoramiXproto.h,v 1.4 2000/08/18 04:05:45 coskrey Exp $ */
+/*****************************************************************
+Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
+BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of Digital Equipment Corporation
+shall not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from Digital
+Equipment Corporation.
+******************************************************************/
+/* $XFree86: xc/include/extensions/panoramiXproto.h,v 3.5 2000/03/01 01:04:21 dawes Exp $ */
+
+/* THIS IS NOT AN X PROJECT TEAM SPECIFICATION */
+
+#ifndef _PANORAMIXPROTO_H_
+#define _PANORAMIXPROTO_H_
+
+#define PANORAMIX_PROTOCOL_NAME "XINERAMA"
+
+#define X_PanoramiXQueryVersion		0
+#define X_PanoramiXGetState		1
+#define X_PanoramiXGetScreenCount	2
+#define X_PanoramiXGetScreenSize	3
+
+#define X_XineramaIsActive		4
+#define X_XineramaQueryScreens		5
+
+typedef struct _PanoramiXQueryVersion {
+	CARD8	reqType;		/* always PanoramiXReqCode */
+	CARD8	panoramiXReqType;	/* always X_PanoramiXQueryVersion */
+	CARD16	length B16;
+	CARD8	clientMajor;
+	CARD8	clientMinor;
+	CARD16	unused B16;           
+} xPanoramiXQueryVersionReq;
+
+#define sz_xPanoramiXQueryVersionReq	8
+
+typedef struct {
+	CARD8	type;			/* must be X_Reply */
+	CARD8	pad1;			/* unused	*/
+	CARD16	sequenceNumber  B16;	/* last sequence number */
+	CARD32	length  B32;		/* 0 */
+	CARD16	majorVersion  B16;	
+	CARD16	minorVersion  B16;	
+	CARD32	pad2	B32;		/* unused */
+	CARD32	pad3	B32;		/* unused */
+	CARD32	pad4	B32;		/* unused */
+	CARD32	pad5	B32;		/* unused */
+	CARD32	pad6	B32;		/* unused */
+} xPanoramiXQueryVersionReply;
+
+#define sz_xPanoramiXQueryVersionReply	32
+
+
+typedef	struct	_PanoramiXGetState {
+        CARD8   reqType;	        /* always PanoramiXReqCode */
+        CARD8   panoramiXReqType;    	/* always X_PanoramiXGetState */
+        CARD16  length B16;
+	CARD32  window B32;
+} xPanoramiXGetStateReq;
+#define sz_xPanoramiXGetStateReq	8	
+
+typedef struct {
+	BYTE	type;
+	BYTE	state;
+	CARD16	sequenceNumber B16;
+	CARD32	length	B32;
+	CARD32  window  B32;
+	CARD32	pad1	B32;		/* unused */
+	CARD32	pad2	B32;		/* unused */
+	CARD32	pad3	B32;		/* unused */
+	CARD32	pad4	B32;		/* unused */
+	CARD32	pad5	B32;		/* unused */
+} xPanoramiXGetStateReply;
+
+#define sz_panoramiXGetStateReply	32
+
+typedef	struct	_PanoramiXGetScreenCount {
+        CARD8   reqType;             /* always PanoramiXReqCode */
+        CARD8   panoramiXReqType;    /* always X_PanoramiXGetScreenCount */
+        CARD16  length B16;
+	CARD32  window B32;
+} xPanoramiXGetScreenCountReq;
+#define sz_xPanoramiXGetScreenCountReq	8
+
+typedef struct {
+	BYTE	type;
+	BYTE	ScreenCount;
+	CARD16	sequenceNumber B16;
+	CARD32	length B32;
+	CARD32  window  B32;
+	CARD32	pad1	B32;		/* unused */
+	CARD32	pad2	B32;		/* unused */
+	CARD32	pad3	B32;		/* unused */
+	CARD32	pad4	B32;		/* unused */
+	CARD32	pad5	B32;		/* unused */
+} xPanoramiXGetScreenCountReply;
+#define sz_panoramiXGetScreenCountReply	32
+
+typedef	struct	_PanoramiXGetScreenSize {
+        CARD8   reqType;                /* always PanoramiXReqCode */
+        CARD8   panoramiXReqType;	/* always X_PanoramiXGetState */
+        CARD16  length B16;
+	CARD32  window B32;
+	CARD32	screen B32;
+} xPanoramiXGetScreenSizeReq;
+#define sz_xPanoramiXGetScreenSizeReq	12	
+
+typedef struct {
+	BYTE	type;
+	CARD8	pad1;			
+	CARD16	sequenceNumber B16;
+	CARD32	length	B32;
+	CARD32	width	B32;
+	CARD32	height	B32;
+	CARD32  window  B32;
+	CARD32  screen  B32;
+	CARD32	pad2	B32;		/* unused */
+	CARD32	pad3	B32;		/* unused */
+} xPanoramiXGetScreenSizeReply;
+#define sz_panoramiXGetScreenSizeReply 32	
+
+/************  Alternate protocol  ******************/
+
+typedef struct {
+        CARD8   reqType;
+        CARD8   panoramiXReqType;
+        CARD16  length B16;
+} xXineramaIsActiveReq;
+#define sz_xXineramaIsActiveReq 4
+
+typedef struct {
+	BYTE	type;
+	CARD8	pad1;			
+	CARD16	sequenceNumber B16;
+	CARD32	length	B32;
+	CARD32	state	B32;
+	CARD32	pad2	B32;
+	CARD32  pad3  	B32;
+	CARD32  pad4  	B32;
+	CARD32	pad5	B32;
+	CARD32	pad6	B32;
+} xXineramaIsActiveReply;
+#define sz_XineramaIsActiveReply 32	
+
+
+typedef struct {
+        CARD8   reqType;
+        CARD8   panoramiXReqType;
+        CARD16  length B16;
+} xXineramaQueryScreensReq;
+#define sz_xXineramaQueryScreensReq 4
+
+typedef struct {
+	BYTE	type;
+	CARD8	pad1;			
+	CARD16	sequenceNumber B16;
+	CARD32	length	B32;
+	CARD32	number	B32;
+	CARD32	pad2	B32;
+	CARD32  pad3  	B32;
+	CARD32  pad4  	B32;
+	CARD32	pad5	B32;
+	CARD32	pad6	B32;
+} xXineramaQueryScreensReply;
+#define sz_XineramaQueryScreensReply 32	
+
+typedef struct {
+	INT16   x_org   B16;
+	INT16   y_org   B16;
+	CARD16  width   B16;
+	CARD16  height  B16;
+} xXineramaScreenInfo;
+#define sz_XineramaScreenInfo 8
+
+#endif 

nx-X11/programs/Xserver/randr/panoramiXproto.h.NX.original

+/* $Xorg: panoramiXproto.h,v 1.4 2000/08/18 04:05:45 coskrey Exp $ */
+/*****************************************************************
+Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
+BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of Digital Equipment Corporation
+shall not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from Digital
+Equipment Corporation.
+******************************************************************/
+/* $XFree86: xc/include/extensions/panoramiXproto.h,v 3.5 2000/03/01 01:04:21 dawes Exp $ */
+
+/* THIS IS NOT AN X PROJECT TEAM SPECIFICATION */
+
+#ifndef _PANORAMIXPROTO_H_
+#define _PANORAMIXPROTO_H_
+
+#define PANORAMIX_PROTOCOL_NAME "XINERAMA"
+
+#define X_PanoramiXQueryVersion		0
+#define X_PanoramiXGetState		1
+#define X_PanoramiXGetScreenCount	2
+#define X_PanoramiXGetScreenSize	3
+
+#define X_XineramaIsActive		4
+#define X_XineramaQueryScreens		5
+
+typedef struct _PanoramiXQueryVersion {
+	CARD8	reqType;		/* always PanoramiXReqCode */
+	CARD8	panoramiXReqType;	/* always X_PanoramiXQueryVersion */
+	CARD16	length B16;
+	CARD8	clientMajor;
+	CARD8	clientMinor;
+	CARD16	unused B16;           
+} xPanoramiXQueryVersionReq;
+
+#define sz_xPanoramiXQueryVersionReq	8
+
+typedef struct {
+	CARD8	type;			/* must be X_Reply */
+	CARD8	pad1;			/* unused	*/
+	CARD16	sequenceNumber  B16;	/* last sequence number */
+	CARD32	length  B32;		/* 0 */
+	CARD16	majorVersion  B16;	
+	CARD16	minorVersion  B16;	
+	CARD32	pad2	B32;		/* unused */
+	CARD32	pad3	B32;		/* unused */
+	CARD32	pad4	B32;		/* unused */
+	CARD32	pad5	B32;		/* unused */
+	CARD32	pad6	B32;		/* unused */
+} xPanoramiXQueryVersionReply;
+
+#define sz_xPanoramiXQueryVersionReply	32
+
+
+typedef	struct	_PanoramiXGetState {
+        CARD8   reqType;	        /* always PanoramiXReqCode */
+        CARD8   panoramiXReqType;    	/* always X_PanoramiXGetState */
+        CARD16  length B16;
+	CARD32  window B32;
+} xPanoramiXGetStateReq;
+#define sz_xPanoramiXGetStateReq	8	
+
+typedef struct {
+	BYTE	type;
+	BYTE	state;
+	CARD16	sequenceNumber B16;
+	CARD32	length	B32;
+	CARD32  window  B32;
+	CARD32	pad1	B32;		/* unused */
+	CARD32	pad2	B32;		/* unused */
+	CARD32	pad3	B32;		/* unused */
+	CARD32	pad4	B32;		/* unused */
+	CARD32	pad5	B32;		/* unused */
+} xPanoramiXGetStateReply;
+
+#define sz_panoramiXGetStateReply	32
+
+typedef	struct	_PanoramiXGetScreenCount {
+        CARD8   reqType;             /* always PanoramiXReqCode */
+        CARD8   panoramiXReqType;    /* always X_PanoramiXGetScreenCount */
+        CARD16  length B16;
+	CARD32  window B32;
+} xPanoramiXGetScreenCountReq;
+#define sz_xPanoramiXGetScreenCountReq	8
+
+typedef struct {
+	BYTE	type;
+	BYTE	ScreenCount;
+	CARD16	sequenceNumber B16;
+	CARD32	length B32;
+	CARD32  window  B32;
+	CARD32	pad1	B32;		/* unused */
+	CARD32	pad2	B32;		/* unused */
+	CARD32	pad3	B32;		/* unused */
+	CARD32	pad4	B32;		/* unused */
+	CARD32	pad5	B32;		/* unused */
+} xPanoramiXGetScreenCountReply;
+#define sz_panoramiXGetScreenCountReply	32
+
+typedef	struct	_PanoramiXGetScreenSize {
+        CARD8   reqType;                /* always PanoramiXReqCode */
+        CARD8   panoramiXReqType;	/* always X_PanoramiXGetState */
+        CARD16  length B16;
+	CARD32  window B32;
+	CARD32	screen B32;
+} xPanoramiXGetScreenSizeReq;
+#define sz_xPanoramiXGetScreenSizeReq	12	
+
+typedef struct {
+	BYTE	type;
+	CARD8	pad1;			
+	CARD16	sequenceNumber B16;
+	CARD32	length	B32;
+	CARD32	width	B32;
+	CARD32	height	B32;
+	CARD32  window  B32;
+	CARD32  screen  B32;
+	CARD32	pad2	B32;		/* unused */
+	CARD32	pad3	B32;		/* unused */
+} xPanoramiXGetScreenSizeReply;
+#define sz_panoramiXGetScreenSizeReply 32	
+
+/************  Alternate protocol  ******************/
+
+typedef struct {
+        CARD8   reqType;
+        CARD8   panoramiXReqType;
+        CARD16  length B16;
+} xXineramaIsActiveReq;
+#define sz_xXineramaIsActiveReq 4
+
+typedef struct {
+	BYTE	type;
+	CARD8	pad1;			
+	CARD16	sequenceNumber B16;
+	CARD32	length	B32;
+	CARD32	state	B32;
+	CARD32	pad2	B32;
+	CARD32  pad3  	B32;
+	CARD32  pad4  	B32;
+	CARD32	pad5	B32;
+	CARD32	pad6	B32;
+} xXineramaIsActiveReply;
+#define sz_XineramaIsActiveReply 32	
+
+
+typedef struct {
+        CARD8   reqType;
+        CARD8   panoramiXReqType;
+        CARD16  length B16;
+} xXineramaQueryScreensReq;
+#define sz_xXineramaQueryScreensReq 4
+
+typedef struct {
+	BYTE	type;
+	CARD8	pad1;			
+	CARD16	sequenceNumber B16;
+	CARD32	length	B32;
+	CARD32	number	B32;
+	CARD32	pad2	B32;
+	CARD32  pad3  	B32;
+	CARD32  pad4  	B32;
+	CARD32	pad5	B32;
+	CARD32	pad6	B32;
+} xXineramaQueryScreensReply;
+#define sz_XineramaQueryScreensReply 32	
+
+typedef struct {
+	INT16   x_org   B16;
+	INT16   y_org   B16;
+	CARD16  width   B16;
+	CARD16  height  B16;
+} xXineramaScreenInfo;
+#define sz_XineramaScreenInfo 8
+
+#endif 

nx-X11/programs/Xserver/randr/randr.c

 /*
- * $XFree86: xc/programs/Xserver/randr/randr.c,v 1.21tsi Exp $
- *
- * Copyright © 2000, Compaq Computer Corporation, 
- * Copyright © 2002, Hewlett Packard, Inc.
+ * Copyright © 2000 Compaq Computer Corporation
+ * Copyright © 2002 Hewlett-Packard Company
+ * Copyright © 2006 Intel Corporation
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Compaq or HP not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission.  HP makes no representations about the
- * suitability of this software for any purpose.  It is provided "as is"
- * without express or implied warranty.
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
  *
- * HP DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL HP
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
  *
- * Author:  Jim Gettys, HP Labs, Hewlett-Packard, Inc.
- */
-
+ * Author:  Jim Gettys, Hewlett-Packard Company, Inc.
+ *	    Keith Packard, Intel Corporation
+ */
+
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NX-X11, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
 
 #define NEED_REPLIES
 #define NEED_EVENTS
@@ -31,28 +48,7 @@
 #include <dix-config.h>
 #endif
 
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "os.h"
-#include "dixstruct.h"
-#include "resource.h"
-#include "scrnintstr.h"
-#include "windowstr.h"
-#include "pixmapstr.h"
-#include "extnsionst.h"
-#include "servermd.h"
-#include <X11/extensions/randr.h>
-#include <X11/extensions/randrproto.h>
 #include "randrstr.h"
-#ifdef RENDER
-#include <X11/extensions/render.h> 	/* we share subpixel order information */
-#include "picturestr.h"
-#endif
-#include <X11/Xfuncproto.h>
-#ifdef EXTMODULE
-#include "xf86_ansic.h"
-#endif
 
 /* From render.h */
 #ifndef SubPixelUnknown
@@ -60,13 +56,7 @@
 #endif
 
 #define RR_VALIDATE
-int	RRGeneration;
-int	RRNScreens;
-
-static int ProcRRQueryVersion (ClientPtr pClient);
-static int ProcRRDispatch (ClientPtr pClient);
-static int SProcRRDispatch (ClientPtr pClient);
-static int SProcRRQueryVersion (ClientPtr pClient);
+static int	RRNScreens;
 
 #define wrap(priv,real,mem,func) {\
     priv->mem = real->mem; \
@@ -77,56 +67,20 @@ static int SProcRRQueryVersion (ClientPtr pClient);
     real->mem = priv->mem; \
 }
 
-#if 0
-static CARD8	RRReqCode;
-static int	RRErrBase;
-#endif
-static int	RREventBase;
-static RESTYPE ClientType, EventType; /* resource types for event masks */
-static int	RRClientPrivateIndex;
-
-typedef struct _RRTimes {
-    TimeStamp	setTime;
-    TimeStamp	configTime;
-} RRTimesRec, *RRTimesPtr;
-
-typedef struct _RRClient {
-    int		major_version;
-    int		minor_version;
-/*  RRTimesRec	times[0]; */
-} RRClientRec, *RRClientPtr;
-
-/*
- * each window has a list of clients requesting
- * RRNotify events.  Each client has a resource
- * for each window it selects RRNotify input for,
- * this resource is used to delete the RRNotifyRec
- * entry from the per-window queue.
- */
-
-typedef struct _RREvent *RREventPtr;
+static int ProcRRDispatch (ClientPtr pClient);
+static int SProcRRDispatch (ClientPtr pClient);
 
-typedef struct _RREvent {
-    RREventPtr  next;
-    ClientPtr	client;
-    WindowPtr	window;
-    XID		clientResource;
-    int		mask;
-} RREventRec;
+int	RREventBase;
+int	RRErrorBase;
+RESTYPE RRClientType, RREventType; /* resource types for event masks */
 
+#ifndef NXAGENT_SERVER
+DevPrivateKey RRClientPrivateKey = &RRClientPrivateKey;
+DevPrivateKey rrPrivKey = &rrPrivKey;
+#else
+int	RRClientPrivateIndex;
 int	rrPrivIndex = -1;
-
-#define GetRRClient(pClient)    ((RRClientPtr) (pClient)->devPrivates[RRClientPrivateIndex].ptr)
-#define rrClientPriv(pClient)	RRClientPtr pRRClient = GetRRClient(pClient)
-
-static Bool
-RRClientKnowsRates (ClientPtr	pClient)
-{
-    rrClientPriv(pClient);
-
-    return (pRRClient->major_version > 1 ||
-	    (pRRClient->major_version == 1 && pRRClient->minor_version >= 1));
-}
+#endif
 
 static void
 RRClientCallback (CallbackListPtr	*list,
@@ -163,10 +117,14 @@ static Bool
 RRCloseScreen (int i, ScreenPtr pScreen)
 {
     rrScrPriv(pScreen);
+    int		    j;
 
     unwrap (pScrPriv, pScreen, CloseScreen);
-    if (pScrPriv->pSizes)
-	xfree (pScrPriv->pSizes);
+    for (j = pScrPriv->numCrtcs - 1; j >= 0; j--)
+	RRCrtcDestroy (pScrPriv->crtcs[j]);
+    for (j = pScrPriv->numOutputs - 1; j >= 0; j--)
+	RROutputDestroy (pScrPriv->outputs[j]);
+    
     xfree (pScrPriv);
     RRNScreens -= 1;	/* ok, one fewer screen with RandR running */
     return (*pScreen->CloseScreen) (i, pScreen);    
@@ -191,18 +149,105 @@ SRRScreenChangeNotifyEvent(xRRScreenChangeNotifyEvent *from,
     cpswaps(from->subpixelOrder, to->subpixelOrder);
 }
 
-Bool RRScreenInit(ScreenPtr pScreen)
+static void
+SRRCrtcChangeNotifyEvent(xRRCrtcChangeNotifyEvent *from,
+			 xRRCrtcChangeNotifyEvent *to)
 {
-    rrScrPrivPtr   pScrPriv;
+    to->type = from->type;
+    to->subCode = from->subCode;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->timestamp, to->timestamp);
+    cpswapl(from->window, to->window);
+    cpswapl(from->crtc, to->crtc);
+    cpswapl(from->mode, to->mode);
+    cpswapl(from->window, to->window);
+    cpswaps(from->rotation, to->rotation);
+    cpswaps(from->x, to->x);
+    cpswaps(from->y, to->y);
+    cpswaps(from->width, to->width);
+    cpswaps(from->height, to->height);
+}
+
+static void
+SRROutputChangeNotifyEvent(xRROutputChangeNotifyEvent *from,
+			   xRROutputChangeNotifyEvent *to)
+{
+    to->type = from->type;
+    to->subCode = from->subCode;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->timestamp, to->timestamp);
+    cpswapl(from->configTimestamp, to->configTimestamp);
+    cpswapl(from->window, to->window);
+    cpswapl(from->output, to->output);
+    cpswapl(from->crtc, to->crtc);
+    cpswapl(from->mode, to->mode);
+    cpswaps(from->rotation, to->rotation);
+}
 
+static void
+SRROutputPropertyNotifyEvent(xRROutputPropertyNotifyEvent *from,
+			     xRROutputPropertyNotifyEvent *to)
+{
+    to->type = from->type;
+    to->subCode = from->subCode;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->window, to->window);
+    cpswapl(from->output, to->output);
+    cpswapl(from->atom, to->atom);
+    cpswapl(from->timestamp, to->timestamp);
+}
+
+static void
+SRRNotifyEvent (xEvent *from,
+		xEvent *to)
+{
+    switch (from->u.u.detail) {
+    case RRNotify_CrtcChange:
+	SRRCrtcChangeNotifyEvent ((xRRCrtcChangeNotifyEvent *) from,
+				  (xRRCrtcChangeNotifyEvent *) to);
+	break;
+    case RRNotify_OutputChange:
+	SRROutputChangeNotifyEvent ((xRROutputChangeNotifyEvent *) from,
+				    (xRROutputChangeNotifyEvent *) to);
+	break;
+    case RRNotify_OutputProperty:
+	SRROutputPropertyNotifyEvent ((xRROutputPropertyNotifyEvent *) from,
+				      (xRROutputPropertyNotifyEvent *) to);
+	break;
+    default:
+	break;
+    }
+}
+
+static int RRGeneration;
+
+Bool RRInit (void)
+{
     if (RRGeneration != serverGeneration)
     {
+        #ifdef NXAGENT_SERVER
 	if ((rrPrivIndex = AllocateScreenPrivateIndex()) < 0)
 	    return FALSE;
+        #endif
+	if (!RRModeInit ())
+	    return FALSE;
+	if (!RRCrtcInit ())
+	    return FALSE;
+	if (!RROutputInit ())
+	    return FALSE;
 	RRGeneration = serverGeneration;
     }
+    return TRUE;
+}
+
+Bool RRScreenInit(ScreenPtr pScreen)
+{
+    rrScrPrivPtr   pScrPriv;
 
-    pScrPriv = (rrScrPrivPtr) xalloc (sizeof (rrScrPrivRec));
+    if (!RRInit ())
+	return FALSE;
+
+    pScrPriv = (rrScrPrivPtr) xcalloc (1, sizeof (rrScrPrivRec));
     if (!pScrPriv)
 	return FALSE;
 
@@ -211,8 +256,31 @@ Bool RRScreenInit(ScreenPtr pScreen)
     /*
      * Calling function best set these function vectors
      */
-    pScrPriv->rrSetConfig = 0;
     pScrPriv->rrGetInfo = 0;
+    pScrPriv->maxWidth = pScrPriv->minWidth = pScreen->width;
+    pScrPriv->maxHeight = pScrPriv->minHeight = pScreen->height;
+    
+    pScrPriv->width = pScreen->width;
+    pScrPriv->height = pScreen->height;
+    pScrPriv->mmWidth = pScreen->mmWidth;
+    pScrPriv->mmHeight = pScreen->mmHeight;
+#if RANDR_12_INTERFACE
+    pScrPriv->rrScreenSetSize = NULL;
+    pScrPriv->rrCrtcSet = NULL;
+    pScrPriv->rrCrtcSetGamma = NULL;
+#endif
+#if RANDR_10_INTERFACE    
+    pScrPriv->rrSetConfig = 0;
+    pScrPriv->rotations = RR_Rotate_0;
+    pScrPriv->reqWidth = pScreen->width;
+    pScrPriv->reqHeight = pScreen->height;
+    pScrPriv->nSizes = 0;
+    pScrPriv->pSizes = NULL;
+    pScrPriv->rotation = RR_Rotate_0;
+    pScrPriv->rate = 0;
+    pScrPriv->size = 0;
+#endif
+    
     /*
      * This value doesn't really matter -- any client must call
      * GetScreenInfo before reading it which will automatically update
@@ -223,14 +291,10 @@ Bool RRScreenInit(ScreenPtr pScreen)
     
     wrap (pScrPriv, pScreen, CloseScreen, RRCloseScreen);
 
-    pScrPriv->rotations = RR_Rotate_0;
-    
-    pScrPriv->nSizes = 0;
-    pScrPriv->nSizesInUse = 0;
-    pScrPriv->pSizes = 0;
-    
-    pScrPriv->rotation = RR_Rotate_0;
-    pScrPriv->size = -1;
+    pScrPriv->numOutputs = 0;
+    pScrPriv->outputs = NULL;
+    pScrPriv->numCrtcs = 0;
+    pScrPriv->crtcs = NULL;
     
     RRNScreens += 1;	/* keep count of screens that implement randr */
     return TRUE;
@@ -246,7 +310,7 @@ RRFreeClient (pointer data, XID id)
 
     pRREvent = (RREventPtr) data;
     pWin = pRREvent->window;
-    pHead = (RREventPtr *) LookupIDByType(pWin->drawable.id, EventType);
+    pHead = (RREventPtr *) LookupIDByType(pWin->drawable.id, RREventType);
     if (pHead) {
 	pPrev = 0;
 	for (pCur = *pHead; pCur && pCur != pRREvent; pCur=pCur->next)
@@ -272,7 +336,7 @@ RRFreeEvents (pointer data, XID id)
     pHead = (RREventPtr *) data;
     for (pCur = *pHead; pCur; pCur = pNext) {
 	pNext = pCur->next;
-	FreeResource (pCur->clientResource, ClientType);
+	FreeResource (pCur->clientResource, RRClientType);
 	xfree ((pointer) pCur);
     }
     xfree ((pointer) pHead);
@@ -286,34 +350,41 @@ RRExtensionInit (void)
 
     if (RRNScreens == 0) return;
 
+    #ifndef NXAGENT_SERVER
+    if (!dixRequestPrivate(RRClientPrivateKey,
+				sizeof (RRClientRec) +
+				screenInfo.numScreens * sizeof (RRTimesRec)))
+	return;
+    #else
     RRClientPrivateIndex = AllocateClientPrivateIndex ();
     if (!AllocateClientPrivate (RRClientPrivateIndex,
 				sizeof (RRClientRec) +
 				screenInfo.numScreens * sizeof (RRTimesRec)))
 	return;
+    #endif
     if (!AddCallback (&ClientStateCallback, RRClientCallback, 0))
 	return;
 
-    ClientType = CreateNewResourceType(RRFreeClient);
-    if (!ClientType)
+    RRClientType = CreateNewResourceType(RRFreeClient);
+    if (!RRClientType)
 	return;
-    EventType = CreateNewResourceType(RRFreeEvents);
-    if (!EventType)
+    RREventType = CreateNewResourceType(RRFreeEvents);
+    if (!RREventType)
 	return;
     extEntry = AddExtension (RANDR_NAME, RRNumberEvents, RRNumberErrors,
 			     ProcRRDispatch, SProcRRDispatch,
 			     RRResetProc, StandardMinorOpcode);
     if (!extEntry)
 	return;
-#if 0
-    RRReqCode = (CARD8) extEntry->base;
-    RRErrBase = extEntry->errorBase;
-#endif
+    RRErrorBase = extEntry->errorBase;
     RREventBase = extEntry->eventBase;
     EventSwapVector[RREventBase + RRScreenChangeNotify] = (EventSwapPtr) 
 	SRRScreenChangeNotifyEvent;
-
-    return;
+    EventSwapVector[RREventBase + RRNotify] = (EventSwapPtr)
+	SRRNotifyEvent;
+#ifdef PANORAMIX
+    RRXineramaExtensionInit();
+#endif
 }
 
 static int
@@ -321,999 +392,130 @@ TellChanged (WindowPtr pWin, pointer value)
 {
     RREventPtr			*pHead, pRREvent;
     ClientPtr			client;
-    xRRScreenChangeNotifyEvent	se;
     ScreenPtr			pScreen = pWin->drawable.pScreen;
     rrScrPriv(pScreen);
-    RRScreenSizePtr		pSize;
-    WindowPtr			pRoot = WindowTable[pScreen->myNum];
+    int				i;
 
-    pHead = (RREventPtr *) LookupIDByType (pWin->drawable.id, EventType);
+    pHead = (RREventPtr *) LookupIDByType (pWin->drawable.id, RREventType);
     if (!pHead)
 	return WT_WALKCHILDREN;
 
-    se.type = RRScreenChangeNotify + RREventBase;
-    se.rotation = (CARD8) pScrPriv->rotation;
-    se.timestamp = pScrPriv->lastSetTime.milliseconds;
-    se.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
-    se.root =  pRoot->drawable.id;
-    se.window = pWin->drawable.id;
-#ifdef RENDER
-    se.subpixelOrder = PictureGetSubpixelOrder (pScreen);
-#else
-    se.subpixelOrder = SubPixelUnknown;
-#endif
-    if (pScrPriv->size >= 0)
-    {
-	pSize = &pScrPriv->pSizes[pScrPriv->size];
-	se.sizeID = pSize->id;
-	se.widthInPixels = pSize->width;
-	se.heightInPixels = pSize->height;
-	se.widthInMillimeters = pSize->mmWidth;
-	se.heightInMillimeters = pSize->mmHeight;
-    }
-    else
-    {
-	/*
-	 * This "shouldn't happen", but a broken DDX can
-	 * forget to set the current configuration on GetInfo
-	 */
-	se.sizeID = 0xffff;
-	se.widthInPixels = 0;
-	se.heightInPixels = 0;
-	se.widthInMillimeters = 0;
-	se.heightInMillimeters = 0;
-    }    
     for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) 
     {
 	client = pRREvent->client;
 	if (client == serverClient || client->clientGone)
 	    continue;
-	se.sequenceNumber = client->sequence;
-	if(pRREvent->mask & RRScreenChangeNotifyMask)
-	  WriteEventsToClient (client, 1, (xEvent *) &se);
-    }
-    return WT_WALKCHILDREN;
-}
 
-static Bool
-RRGetInfo (ScreenPtr pScreen)
-{
-    rrScrPriv (pScreen);
-    int		    i, j, k, l;
-    Bool	    changed;
-    Rotation	    rotations;
-    RRScreenSizePtr pSize;
-    RRScreenRatePtr pRate;
+	if (pRREvent->mask & RRScreenChangeNotifyMask)
+	    RRDeliverScreenEvent (client, pWin, pScreen);
 	
-    for (i = 0; i < pScrPriv->nSizes; i++)
+	if (pRREvent->mask & RRCrtcChangeNotifyMask)
 	{
-	pSize = &pScrPriv->pSizes[i];
-	pSize->oldReferenced = pSize->referenced;
-	pSize->referenced = FALSE;
-	for (k = 0; k < pSize->nRates; k++)
+	    for (i = 0; i < pScrPriv->numCrtcs; i++)
 	    {
-	    pRate = &pSize->pRates[k];
-	    pRate->oldReferenced = pRate->referenced;
-	    pRate->referenced = FALSE;
+		RRCrtcPtr   crtc = pScrPriv->crtcs[i];
+		if (crtc->changed)
+		    RRDeliverCrtcEvent (client, pWin, crtc);
 	    }
 	}
-    if (!(*pScrPriv->rrGetInfo) (pScreen, &rotations))
-	return FALSE;
 	
-    changed = FALSE;
-
-    /*
-     * Check whether anything changed and simultaneously generate
-     * the protocol id values for the objects
-     */
-    if (rotations != pScrPriv->rotations)
+	if (pRREvent->mask & RROutputChangeNotifyMask)
 	{
-	pScrPriv->rotations = rotations;
-	changed = TRUE;
-    }
-
-    j = 0;
-    for (i = 0; i < pScrPriv->nSizes; i++)
+	    for (i = 0; i < pScrPriv->numOutputs; i++)
 	    {
-	pSize = &pScrPriv->pSizes[i];
-	if (pSize->oldReferenced != pSize->referenced)
-	    changed = TRUE;
-	if (pSize->referenced)
-	    pSize->id = j++;
-	l = 0;
-	for (k = 0; k < pSize->nRates; k++)
-	{
-	    pRate = &pSize->pRates[k];
-	    if (pRate->oldReferenced != pRate->referenced)
-		changed = TRUE;
-	    if (pRate->referenced)
-		l++;
-	}
-	pSize->nRatesInUse = l;
-    }
-    pScrPriv->nSizesInUse = j;
-    if (changed)
-    {
-	UpdateCurrentTime ();
-	pScrPriv->lastConfigTime = currentTime;
-	WalkTree (pScreen, TellChanged, (pointer) pScreen);
+		RROutputPtr   output = pScrPriv->outputs[i];
+		if (output->changed)
+		    RRDeliverOutputEvent (client, pWin, output);
 	    }
-    return TRUE;
-}
-
-static void
-RRSendConfigNotify (ScreenPtr pScreen)
-{
-    WindowPtr	pWin = WindowTable[pScreen->myNum];
-    xEvent	event;
-
-    event.u.u.type = ConfigureNotify;
-    event.u.configureNotify.window = pWin->drawable.id;
-    event.u.configureNotify.aboveSibling = None;
-    event.u.configureNotify.x = 0;
-    event.u.configureNotify.y = 0;
-
-    /* XXX xinerama stuff ? */
-    
-    event.u.configureNotify.width = pWin->drawable.width;
-    event.u.configureNotify.height = pWin->drawable.height;
-    event.u.configureNotify.borderWidth = wBorderWidth (pWin);
-    event.u.configureNotify.override = pWin->overrideRedirect;
-    DeliverEvents(pWin, &event, 1, NullWindow);
-}
-
-static int
-ProcRRQueryVersion (ClientPtr client)
-{
-    xRRQueryVersionReply rep;
-    register int n;
-    REQUEST(xRRQueryVersionReq);
-    rrClientPriv(client);
-
-    REQUEST_SIZE_MATCH(xRRQueryVersionReq);
-    pRRClient->major_version = stuff->majorVersion;
-    pRRClient->minor_version = stuff->minorVersion;
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-    rep.majorVersion = RANDR_MAJOR;
-    rep.minorVersion = RANDR_MINOR;
-    if (client->swapped) {
-    	swaps(&rep.sequenceNumber, n);
-    	swapl(&rep.length, n);
-	swapl(&rep.majorVersion, n);
-	swapl(&rep.minorVersion, n);
 	}
-    WriteToClient(client, sizeof(xRRQueryVersionReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-
-extern char	*ConnectionInfo;
-
-static int padlength[4] = {0, 3, 2, 1};
-
-static void
-RREditConnectionInfo (ScreenPtr pScreen)
-{
-    xConnSetup	    *connSetup;
-    char	    *vendor;
-    xPixmapFormat   *formats;
-    xWindowRoot	    *root;
-    xDepth	    *depth;
-    xVisualType	    *visual;
-    int		    screen = 0;
-    int		    d;
-
-    connSetup = (xConnSetup *) ConnectionInfo;
-    vendor = (char *) connSetup + sizeof (xConnSetup);
-    formats = (xPixmapFormat *) ((char *) vendor +
-				 connSetup->nbytesVendor +
-				 padlength[connSetup->nbytesVendor & 3]);
-    root = (xWindowRoot *) ((char *) formats +
-			    sizeof (xPixmapFormat) * screenInfo.numPixmapFormats);
-    while (screen != pScreen->myNum)
-    {
-	depth = (xDepth *) ((char *) root + 
-			    sizeof (xWindowRoot));
-	for (d = 0; d < root->nDepths; d++)
-	{
-	    visual = (xVisualType *) ((char *) depth +
-				      sizeof (xDepth));
-	    depth = (xDepth *) ((char *) visual +
-				depth->nVisuals * sizeof (xVisualType));
     }
-	root = (xWindowRoot *) ((char *) depth);
-	screen++;
-    }
-    root->pixWidth = pScreen->width;
-    root->pixHeight = pScreen->height;
-    root->mmWidth = pScreen->mmWidth;
-    root->mmHeight = pScreen->mmHeight;
+    return WT_WALKCHILDREN;
 }
 
-static int
-ProcRRGetScreenInfo (ClientPtr client)
-{
-    REQUEST(xRRGetScreenInfoReq);
-    xRRGetScreenInfoReply   rep;
-    WindowPtr	    	    pWin;
-    int			    n;
-    ScreenPtr		    pScreen;
-    rrScrPrivPtr	    pScrPriv;
-    CARD8		    *extra;
-    unsigned long	    extraLen;
-
-    REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
-    pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client,
-					   SecurityReadAccess);
-
-    if (!pWin)
-	return BadWindow;
-
-    pScreen = pWin->drawable.pScreen;
-    pScrPriv = rrGetScrPriv(pScreen);
-    rep.pad = 0;
-    if (!pScrPriv)
-    {
-	rep.type = X_Reply;
-	rep.setOfRotations = RR_Rotate_0;;
-	rep.sequenceNumber = client->sequence;
-	rep.length = 0;
-	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
-	rep.timestamp = currentTime.milliseconds;
-	rep.configTimestamp = currentTime.milliseconds;
-	rep.nSizes = 0;
-	rep.sizeID = 0;
-	rep.rotation = RR_Rotate_0;
-	rep.rate = 0;
-	rep.nrateEnts = 0;
-	extra = 0;
-	extraLen = 0;
-    }
-    else
-    {
-	int			i, j;
-	xScreenSizes		*size;
-	CARD16			*rates;
-	CARD8			*data8;
-	Bool			has_rate = RRClientKnowsRates (client);
-    
-	RRGetInfo (pScreen);
-
-	rep.type = X_Reply;
-	rep.setOfRotations = pScrPriv->rotations;
-	rep.sequenceNumber = client->sequence;
-	rep.length = 0;
-	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
-	rep.timestamp = pScrPriv->lastSetTime.milliseconds;
-	rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
-	rep.rotation = pScrPriv->rotation;
-	rep.nSizes = pScrPriv->nSizesInUse;
-	rep.rate = pScrPriv->rate;
-        rep.nrateEnts = 0;
-	if (has_rate)
-	{
-	    for (i = 0; i < pScrPriv->nSizes; i++)
-	    {
-		RRScreenSizePtr pSize = &pScrPriv->pSizes[i];
-		if (pSize->referenced)
-		{
-		    rep.nrateEnts += (1 + pSize->nRatesInUse);
-		}
-	    }
-	}
-
-	if (pScrPriv->size >= 0)
-	    rep.sizeID = pScrPriv->pSizes[pScrPriv->size].id;
-	else
-	    return BadImplementation;
-
-	extraLen = (rep.nSizes * sizeof (xScreenSizes) +
-		    rep.nrateEnts * sizeof (CARD16));
-
-	extra = (CARD8 *) xalloc (extraLen);
-	if (!extra)
-	    return BadAlloc;
-	/*
-	 * First comes the size information
+/*
+ * Something changed; send events and adjust pointer position
  */
-	size = (xScreenSizes *) extra;
-	rates = (CARD16 *) (size + rep.nSizes);
-	for (i = 0; i < pScrPriv->nSizes; i++)
-	{
-	    RRScreenSizePtr pSize = &pScrPriv->pSizes[i];
-	    if (pSize->referenced)
-	    {
-		size->widthInPixels = pSize->width;
-		size->heightInPixels = pSize->height;
-		size->widthInMillimeters = pSize->mmWidth;
-		size->heightInMillimeters = pSize->mmHeight;
-		if (client->swapped)
-		{
-		    swaps (&size->widthInPixels, n);
-		    swaps (&size->heightInPixels, n);
-		    swaps (&size->widthInMillimeters, n);
-		    swaps (&size->heightInMillimeters, n);
-		}
-		size++;
-		if (has_rate)
-		{
-		    *rates = pSize->nRatesInUse;
-		    if (client->swapped)
-		    {
-			swaps (rates, n);
-		    }
-		    rates++;
-		    for (j = 0; j < pSize->nRates; j++)
-		    {
-			RRScreenRatePtr	pRate = &pSize->pRates[j];
-			if (pRate->referenced)
-			{
-			    *rates = pRate->rate;
-			    if (client->swapped)
-			    {
-				swaps (rates, n);
-			    }
-			    rates++;
-			}
-		    }
-		}
-	    }
-	}
-	data8 = (CARD8 *) rates;
-
-	if (data8 - (CARD8 *) extra != extraLen)
-	    FatalError ("RRGetScreenInfo bad extra len %ld != %ld\n",
-			(unsigned long)(data8 - (CARD8 *) extra), extraLen);
-	rep.length =  (extraLen + 3) >> 2;
-    }
-    if (client->swapped) {
-	swaps(&rep.sequenceNumber, n);
-	swapl(&rep.length, n);
-	swapl(&rep.timestamp, n);
-	swaps(&rep.rotation, n);
-	swaps(&rep.nSizes, n);
-	swaps(&rep.sizeID, n);
-	swaps(&rep.rate, n);
-	swaps(&rep.nrateEnts, n);
-    }
-    WriteToClient(client, sizeof(xRRGetScreenInfoReply), (char *)&rep);
-    if (extraLen)
-    {
-	WriteToClient (client, extraLen, (char *) extra);
-	xfree (extra);
-    }
-    return (client->noClientException);
-}
-
-static int
-ProcRRSetScreenConfig (ClientPtr client)
+void
+RRTellChanged (ScreenPtr pScreen)
 {
-    REQUEST(xRRSetScreenConfigReq);
-    xRRSetScreenConfigReply rep;
-    DrawablePtr		    pDraw;
-    int			    n;
-    ScreenPtr		    pScreen;
-    rrScrPrivPtr	    pScrPriv;
-    TimeStamp		    configTime;
-    TimeStamp		    time;
-    RRScreenSizePtr	    pSize;
+    rrScrPriv (pScreen);
     int i;
-    Rotation		    rotation;
-    int			    rate;
-    short		    oldWidth, oldHeight;
-    Bool		    has_rate;
-
-    UpdateCurrentTime ();
-
-    if (RRClientKnowsRates (client))
-    {
-	REQUEST_SIZE_MATCH (xRRSetScreenConfigReq);
-	has_rate = TRUE;
-    }
-    else
-    {
-	REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq);
-	has_rate = FALSE;
-    }
-    
-    SECURITY_VERIFY_DRAWABLE(pDraw, stuff->drawable, client,
-			     SecurityWriteAccess);
-
-    pScreen = pDraw->pScreen;
-
-    pScrPriv = rrGetScrPriv(pScreen);
-    
-    time = ClientTimeToServerTime(stuff->timestamp);
-    configTime = ClientTimeToServerTime(stuff->configTimestamp);
-    
-    oldWidth = pScreen->width;
-    oldHeight = pScreen->height;
-    
-    if (!pScrPriv)
-    {
-	time = currentTime;
-	rep.status = RRSetConfigFailed;
-	goto sendReply;
-    }
-    if (!RRGetInfo (pScreen))
-	return BadAlloc;
-    
-    /*
-     * if the client's config timestamp is not the same as the last config
-     * timestamp, then the config information isn't up-to-date and
-     * can't even be validated
-     */
-    if (CompareTimeStamps (configTime, pScrPriv->lastConfigTime) != 0)
-    {
-	rep.status = RRSetConfigInvalidConfigTime;
-	goto sendReply;
-    }
-    
-    /*
-     * Search for the requested size
-     */
-    pSize = 0;
-    for (i = 0; i < pScrPriv->nSizes; i++)
-    {
-	pSize = &pScrPriv->pSizes[i];
-	if (pSize->referenced && pSize->id == stuff->sizeID)
-	{
-	    break;
-	}
-    }
-    if (i == pScrPriv->nSizes)
-    {
-	/*
-	 * Invalid size ID
-	 */
-	client->errorValue = stuff->sizeID;
-	return BadValue;
-    }
-    
-    /*
-     * Validate requested rotation
-     */
-    rotation = (Rotation) stuff->rotation;
-
-    /* test the rotation bits only! */
-    switch (rotation & 0xf) {
-    case RR_Rotate_0:
-    case RR_Rotate_90:
-    case RR_Rotate_180:
-    case RR_Rotate_270:
-	break;
-    default:
-	/*
-	 * Invalid rotation
-	 */
-	client->errorValue = stuff->rotation;
-	return BadValue;
-    }
-
-    if ((~pScrPriv->rotations) & rotation)
-    {
-	/*
-	 * requested rotation or reflection not supported by screen
-	 */
-	client->errorValue = stuff->rotation;
-	return BadMatch;
-    }
-
-    /*
-     * Validate requested refresh
-     */
-    if (has_rate)
-	rate = (int) stuff->rate;
-    else
-	rate = 0;
-
-    if (rate)
-    {
-	for (i = 0; i < pSize->nRates; i++)
-	{
-	    RRScreenRatePtr pRate = &pSize->pRates[i];
-	    if (pRate->referenced && pRate->rate == rate)
-		break;
-	}
-	if (i == pSize->nRates)
-	{
-	    /*
-	     * Invalid rate
-	     */
-	    client->errorValue = rate;
-	    return BadValue;
-	}
-    }
     
-    /*
-     * Make sure the requested set-time is not older than
-     * the last set-time
-     */
-    if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0)
+    if (pScrPriv->changed)
     {
-	rep.status = RRSetConfigInvalidTime;
-	goto sendReply;
-    }
-
-    /*
-     * call out to ddx routine to effect the change
-     */
-    if (!(*pScrPriv->rrSetConfig) (pScreen, rotation, rate,
-				   pSize))
+	UpdateCurrentTime ();
+	if (pScrPriv->configChanged)
 	{
-	/*
-	 * unknown DDX failure, report to client
-	 */
-	rep.status = RRSetConfigFailed;
-	goto sendReply;
+	    pScrPriv->lastConfigTime = currentTime;
+	    pScrPriv->configChanged = FALSE;
 	}
-    
-    /*
-     * set current extension configuration pointers
-     */
-    RRSetCurrentConfig (pScreen, rotation, rate, pSize);
-    
-    /*
-     * Deliver ScreenChangeNotify events whenever
-     * the configuration is updated
-     */
+	pScrPriv->changed = FALSE;
 	WalkTree (pScreen, TellChanged, (pointer) pScreen);
-    
-    /*
-     * Deliver ConfigureNotify events when root changes
-     * pixel size
-     */
-    if (oldWidth != pScreen->width || oldHeight != pScreen->height)
+	for (i = 0; i < pScrPriv->numOutputs; i++)
+	    pScrPriv->outputs[i]->changed = FALSE;
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	    pScrPriv->crtcs[i]->changed = FALSE;
+	if (pScrPriv->layoutChanged)
+	{
+	    pScrPriv->layoutChanged = FALSE;
+	    RRPointerScreenConfigured (pScreen);
 	    RRSendConfigNotify (pScreen);
-    RREditConnectionInfo (pScreen);
-    
-    /*
-     * Fix pointer bounds and location
-     */
-    ScreenRestructured (pScreen);
-    pScrPriv->lastSetTime = time;
-    
-    /*
-     * Report Success
-     */
-    rep.status = RRSetConfigSuccess;
-    
-sendReply:
-    
-    rep.type = X_Reply;
-    /* rep.status has already been filled in */
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    rep.newTimestamp = pScrPriv->lastSetTime.milliseconds;
-    rep.newConfigTimestamp = pScrPriv->lastConfigTime.milliseconds;
-    rep.root = WindowTable[pDraw->pScreen->myNum]->drawable.id;
-
-    if (client->swapped) 
-    {
-    	swaps(&rep.sequenceNumber, n);
-    	swapl(&rep.length, n);
-	swapl(&rep.newTimestamp, n);
-	swapl(&rep.newConfigTimestamp, n);
-	swapl(&rep.root, n);
 	}
-    WriteToClient(client, sizeof(xRRSetScreenConfigReply), (char *)&rep);
-
-    return (client->noClientException);
-}
-
-int
-RRSetScreenConfig (ScreenPtr		pScreen,
-		   Rotation		rotation,
-		   int			rate,
-		   RRScreenSizePtr	pSize)
-{
-    rrScrPrivPtr	    pScrPriv;
-    int			    i;
-    short		    oldWidth, oldHeight;
-
-    pScrPriv = rrGetScrPriv(pScreen);
-    
-    oldWidth = pScreen->width;
-    oldHeight = pScreen->height;
-    
-    if (!RRGetInfo (pScreen))
-	return BadAlloc;
-    
-    /*
-     * Validate requested rotation
-     */
-
-    /* test the rotation bits only! */
-    switch (rotation & 0xf) {
-    case RR_Rotate_0:
-    case RR_Rotate_90:
-    case RR_Rotate_180:
-    case RR_Rotate_270:
-	break;
-    default:
-	/*
-	 * Invalid rotation
-	 */
-	return BadValue;
     }
+}
 
-    if ((~pScrPriv->rotations) & rotation)
-    {
-	/*
-	 * requested rotation or reflection not supported by screen
+/*
+ * Return the first output which is connected to an active CRTC
+ * Used in emulating 1.0 behaviour
  */
-	return BadMatch;
-    }
+RROutputPtr
+RRFirstOutput (ScreenPtr pScreen)
+{
+    rrScrPriv(pScreen);
+    RROutputPtr		    output;
+    int	i, j;
     
-    /*
-     * Validate requested refresh
-     */
-    if (rate)
+    for (i = 0; i < pScrPriv->numCrtcs; i++)
     {
-	for (i = 0; i < pSize->nRates; i++)
+	RRCrtcPtr   crtc = pScrPriv->crtcs[i];
+	for (j = 0; j < pScrPriv->numOutputs; j++)
 	{
-	    RRScreenRatePtr pRate = &pSize->pRates[i];
-	    if (pRate->referenced && pRate->rate == rate)
-		break;
-	}
-	if (i == pSize->nRates)
-	{
-	    /*
-	     * Invalid rate
-	     */
-	    return BadValue;
+	    output = pScrPriv->outputs[j];
+	    if (output->crtc == crtc)
+		return output;
 	}
     }
-
-    /*
-     * call out to ddx routine to effect the change
-     */
-    if (!(*pScrPriv->rrSetConfig) (pScreen, rotation, rate,
-				   pSize))
-    {
-	/*
-	 * unknown DDX failure, report to client
-	 */
-        return BadImplementation;
-    }
-    
-    /*
-     * set current extension configuration pointers
-     */
-    RRSetCurrentConfig (pScreen, rotation, rate, pSize);
-    
-    /*
-     * Deliver ScreenChangeNotify events whenever
-     * the configuration is updated
-     */
-    WalkTree (pScreen, TellChanged, (pointer) pScreen);
-    
-    /*
-     * Deliver ConfigureNotify events when root changes
-     * pixel size
-     */
-    if (oldWidth != pScreen->width || oldHeight != pScreen->height)
-	RRSendConfigNotify (pScreen);
-    RREditConnectionInfo (pScreen);
-    
-    /*
-     * Fix pointer bounds and location
-     */
-    ScreenRestructured (pScreen);
-    
-    return Success;
+    return NULL;
 }
 
-static int
-ProcRRSelectInput (ClientPtr client)
+CARD16
+RRVerticalRefresh (xRRModeInfo *mode)
 {
-    REQUEST(xRRSelectInputReq);
-    rrClientPriv(client);
-    RRTimesPtr	pTimes;
-    WindowPtr	pWin;
-    RREventPtr	pRREvent, pNewRREvent, *pHead;
-    XID		clientResource;
-
-    REQUEST_SIZE_MATCH(xRRSelectInputReq);
-    pWin = SecurityLookupWindow (stuff->window, client, SecurityWriteAccess);
-    if (!pWin)
-	return BadWindow;
-    pHead = (RREventPtr *)SecurityLookupIDByType(client,
-						 pWin->drawable.id, EventType,
-						 SecurityWriteAccess);
-
-    if (stuff->enable & (RRScreenChangeNotifyMask)) 
-    {
-	ScreenPtr	pScreen = pWin->drawable.pScreen;
-	rrScrPriv	(pScreen);
-
-	if (pHead) 
-	{
-	    /* check for existing entry. */
-	    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next)
-		if (pRREvent->client == client)
-		    return Success;
-	}
-
-	/* build the entry */
-	pNewRREvent = (RREventPtr) xalloc (sizeof (RREventRec));
-	if (!pNewRREvent)
-	    return BadAlloc;
-	pNewRREvent->next = 0;
-	pNewRREvent->client = client;
-	pNewRREvent->window = pWin;
-	pNewRREvent->mask = stuff->enable;
-	/*
-	 * add a resource that will be deleted when
-	 * the client goes away
-	 */
-	clientResource = FakeClientID (client->index);
-	pNewRREvent->clientResource = clientResource;
-	if (!AddResource (clientResource, ClientType, (pointer)pNewRREvent))
-	    return BadAlloc;
-	/*
-	 * create a resource to contain a pointer to the list
-	 * of clients selecting input.  This must be indirect as
-	 * the list may be arbitrarily rearranged which cannot be
-	 * done through the resource database.
-	 */
-	if (!pHead)
-	{
-	    pHead = (RREventPtr *) xalloc (sizeof (RREventPtr));
-	    if (!pHead ||
-		!AddResource (pWin->drawable.id, EventType, (pointer)pHead))
-	    {
-		FreeResource (clientResource, RT_NONE);
-		return BadAlloc;
-	    }
-	    *pHead = 0;
-	}
-	pNewRREvent->next = *pHead;
-	*pHead = pNewRREvent;
-	/*
-	 * Now see if the client needs an event
-	 */
-	if (pScrPriv)
-	{
-	    pTimes = &((RRTimesPtr) (pRRClient + 1))[pScreen->myNum];
-	    if (CompareTimeStamps (pTimes->setTime, 
-				   pScrPriv->lastSetTime) != 0 ||
-		CompareTimeStamps (pTimes->configTime, 
-				   pScrPriv->lastConfigTime) != 0)
-	    {
-		TellChanged (pWin, (pointer) pScreen);
-	    }
-	}
-    }
-    else if (stuff->enable == xFalse) 
-    {
-	/* delete the interest */
-	if (pHead) {
-	    pNewRREvent = 0;
-	    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) {
-		if (pRREvent->client == client)
-		    break;
-		pNewRREvent = pRREvent;
-	    }
-	    if (pRREvent) {
-		FreeResource (pRREvent->clientResource, ClientType);
-		if (pNewRREvent)
-		    pNewRREvent->next = pRREvent->next;
-		else
-		    *pHead = pRREvent->next;
-		xfree (pRREvent);
-	    }
-	}
-    }
-    else 
-    {
-	client->errorValue = stuff->enable;
-	return BadValue;
-    }
-    return Success;
+    CARD32  refresh;
+    CARD32  dots = mode->hTotal * mode->vTotal;
+    if (!dots)
+	return 0;
+    refresh = (mode->dotClock + dots/2) / dots;
+    if (refresh > 0xffff)
+	refresh = 0xffff;
+    return (CARD16) refresh;
 }
 
-
 static int
 ProcRRDispatch (ClientPtr client)
 {
     REQUEST(xReq);
-    switch (stuff->data)
-    {
-    case X_RRQueryVersion:
-	return ProcRRQueryVersion(client);
-    case X_RRSetScreenConfig:
-        return ProcRRSetScreenConfig(client);
-    case X_RRSelectInput:
-        return ProcRRSelectInput(client);
-    case X_RRGetScreenInfo:
-        return ProcRRGetScreenInfo(client);
-    default:
+    if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data])
 	return BadRequest;
-    }
-}
-
-static int
-SProcRRQueryVersion (ClientPtr client)
-{
-    register int n;
-    REQUEST(xRRQueryVersionReq);
-
-    swaps(&stuff->length, n);
-    swapl(&stuff->majorVersion, n);
-    swapl(&stuff->minorVersion, n);
-    return ProcRRQueryVersion(client);
-}
-
-static int
-SProcRRGetScreenInfo (ClientPtr client)
-{
-    register int n;
-    REQUEST(xRRGetScreenInfoReq);
-
-    swaps(&stuff->length, n);
-    swapl(&stuff->window, n);
-    return ProcRRGetScreenInfo(client);
-}
-
-static int
-SProcRRSetScreenConfig (ClientPtr client)
-{
-    register int n;
-    REQUEST(xRRSetScreenConfigReq);
-
-    if (RRClientKnowsRates (client))
-    {
-	REQUEST_SIZE_MATCH (xRRSetScreenConfigReq);
-	swaps (&stuff->rate, n);
-    }
-    else
-    {
-	REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq);
-    }
-    
-    swaps(&stuff->length, n);
-    swapl(&stuff->drawable, n);
-    swapl(&stuff->timestamp, n);
-    swaps(&stuff->sizeID, n);
-    swaps(&stuff->rotation, n);
-    return ProcRRSetScreenConfig(client);
+    return (*ProcRandrVector[stuff->data]) (client);
 }
 
 static int
-SProcRRSelectInput (ClientPtr client)
-{
-    register int n;
-    REQUEST(xRRSelectInputReq);
-
-    swaps(&stuff->length, n);
-    swapl(&stuff->window, n);
-    return ProcRRSelectInput(client);
-}
-
-
-static int
 SProcRRDispatch (ClientPtr client)
 {
     REQUEST(xReq);
-    switch (stuff->data)
-    {
-    case X_RRQueryVersion:
-	return SProcRRQueryVersion(client);
-    case X_RRSetScreenConfig:
-        return SProcRRSetScreenConfig(client);
-    case X_RRSelectInput:
-        return SProcRRSelectInput(client);
-    case X_RRGetScreenInfo:
-        return SProcRRGetScreenInfo(client);
-    default:
+    if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data])
 	return BadRequest;
-    }
-}
-
-
-static Bool
-RRScreenSizeMatches (RRScreenSizePtr  a,
-		   RRScreenSizePtr  b)
-{
-    if (a->width != b->width)
-	return FALSE;
-    if (a->height != b->height)
-	return FALSE;
-    if (a->mmWidth != b->mmWidth)
-	return FALSE;
-    if (a->mmHeight != b->mmHeight)
-	return FALSE;
-    return TRUE;
+    return (*SProcRandrVector[stuff->data]) (client);
 }
 
-RRScreenSizePtr
-RRRegisterSize (ScreenPtr	    pScreen,
-		short		    width, 
-		short		    height,
-		short		    mmWidth,
-		short		    mmHeight)
-{
-    rrScrPriv (pScreen);
-    int		    i;
-    RRScreenSize    tmp;
-    RRScreenSizePtr pNew;
-
-    if (!pScrPriv)
-	return 0;
-    
-    tmp.width = width;
-    tmp.height= height;
-    tmp.mmWidth = mmWidth;
-    tmp.mmHeight = mmHeight;
-    tmp.pRates = 0;
-    tmp.nRates = 0;
-    tmp.nRatesInUse = 0;
-    tmp.referenced = TRUE;
-    tmp.oldReferenced = FALSE;
-    for (i = 0; i < pScrPriv->nSizes; i++)
-	if (RRScreenSizeMatches (&tmp, &pScrPriv->pSizes[i]))
-	{
-	    pScrPriv->pSizes[i].referenced = TRUE;
-	    return &pScrPriv->pSizes[i];
-	}
-    pNew = xrealloc (pScrPriv->pSizes,
-		     (pScrPriv->nSizes + 1) * sizeof (RRScreenSize));
-    if (!pNew)
-	return 0;
-    pNew[pScrPriv->nSizes++] = tmp;
-    pScrPriv->pSizes = pNew;
-    return &pNew[pScrPriv->nSizes-1];
-}
-
-Bool RRRegisterRate (ScreenPtr		pScreen,
-		     RRScreenSizePtr	pSize,
-		     int		rate)
-{
-    rrScrPriv(pScreen);
-    int		    i;
-    RRScreenRatePtr pNew, pRate;
-
-    if (!pScrPriv)
-	return FALSE;
-    
-    for (i = 0; i < pSize->nRates; i++)
-    {
-	pRate = &pSize->pRates[i];
-	if (pRate->rate == rate)
-	{
-	    pRate->referenced = TRUE;
-	    return TRUE;
-	}
-    }
-
-    pNew = xrealloc (pSize->pRates,
-		     (pSize->nRates + 1) * sizeof (RRScreenRate));
-    if (!pNew)
-	return FALSE;
-    pRate = &pNew[pSize->nRates++];
-    pRate->rate = rate;
-    pRate->referenced = TRUE;
-    pRate->oldReferenced = FALSE;
-    pSize->pRates = pNew;
-    return TRUE;
-}
-
-void
-RRSetCurrentConfig (ScreenPtr		pScreen,
-		    Rotation		rotation,
-		    int			rate,
-		    RRScreenSizePtr	pSize)
-{
-    rrScrPriv (pScreen);
-
-    if (!pScrPriv)
-	return;
-
-    pScrPriv->rotation = rotation;
-    pScrPriv->size = pSize - pScrPriv->pSizes;
-    pScrPriv->rate = rate;
-}

nx-X11/programs/Xserver/randr/randr.c.NX.original

+/*
+ * Copyright © 2000 Compaq Computer Corporation
+ * Copyright © 2002 Hewlett-Packard Company
+ * Copyright © 2006 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ *
+ * Author:  Jim Gettys, Hewlett-Packard Company, Inc.
+ *	    Keith Packard, Intel Corporation
+ */
+
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NX-X11, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#define NEED_REPLIES
+#define NEED_EVENTS
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "randrstr.h"
+
+/* From render.h */
+#ifndef SubPixelUnknown
+#define SubPixelUnknown 0
+#endif
+
+#define RR_VALIDATE
+static int	RRNScreens;
+
+#define wrap(priv,real,mem,func) {\
+    priv->mem = real->mem; \
+    real->mem = func; \
+}
+
+#define unwrap(priv,real,mem) {\
+    real->mem = priv->mem; \
+}
+
+static int ProcRRDispatch (ClientPtr pClient);
+static int SProcRRDispatch (ClientPtr pClient);
+
+int	RREventBase;
+int	RRErrorBase;
+RESTYPE RRClientType, RREventType; /* resource types for event masks */
+
+#ifndef NXAGENT_SERVER
+DevPrivateKey RRClientPrivateKey = &RRClientPrivateKey;
+DevPrivateKey rrPrivKey = &rrPrivKey;
+#else
+int	RRClientPrivateIndex;
+int	rrPrivIndex = -1;
+#endif
+
+static void
+RRClientCallback (CallbackListPtr	*list,
+		  pointer		closure,
+		  pointer		data)
+{
+    NewClientInfoRec	*clientinfo = (NewClientInfoRec *) data;
+    ClientPtr		pClient = clientinfo->client;
+    rrClientPriv(pClient);
+    RRTimesPtr		pTimes = (RRTimesPtr) (pRRClient + 1);
+    int			i;
+
+    pRRClient->major_version = 0;
+    pRRClient->minor_version = 0;
+    for (i = 0; i < screenInfo.numScreens; i++)
+    {
+	ScreenPtr   pScreen = screenInfo.screens[i];
+	rrScrPriv(pScreen);
+
+	if (pScrPriv)
+	{
+	    pTimes[i].setTime = pScrPriv->lastSetTime;
+	    pTimes[i].configTime = pScrPriv->lastConfigTime;
+	}
+    }
+}
+
+static void
+RRResetProc (ExtensionEntry *extEntry)
+{
+}
+    
+static Bool
+RRCloseScreen (int i, ScreenPtr pScreen)
+{
+    rrScrPriv(pScreen);
+    int		    j;
+
+    unwrap (pScrPriv, pScreen, CloseScreen);
+    for (j = pScrPriv->numCrtcs - 1; j >= 0; j--)
+	RRCrtcDestroy (pScrPriv->crtcs[j]);
+    for (j = pScrPriv->numOutputs - 1; j >= 0; j--)
+	RROutputDestroy (pScrPriv->outputs[j]);
+    
+    xfree (pScrPriv);
+    RRNScreens -= 1;	/* ok, one fewer screen with RandR running */
+    return (*pScreen->CloseScreen) (i, pScreen);    
+}
+
+static void
+SRRScreenChangeNotifyEvent(xRRScreenChangeNotifyEvent *from,
+			   xRRScreenChangeNotifyEvent *to)
+{
+    to->type = from->type;
+    to->rotation = from->rotation;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->timestamp, to->timestamp);
+    cpswapl(from->configTimestamp, to->configTimestamp);
+    cpswapl(from->root, to->root);
+    cpswapl(from->window, to->window);
+    cpswaps(from->sizeID, to->sizeID);
+    cpswaps(from->widthInPixels, to->widthInPixels);
+    cpswaps(from->heightInPixels, to->heightInPixels);
+    cpswaps(from->widthInMillimeters, to->widthInMillimeters);
+    cpswaps(from->heightInMillimeters, to->heightInMillimeters);
+    cpswaps(from->subpixelOrder, to->subpixelOrder);
+}
+
+static void
+SRRCrtcChangeNotifyEvent(xRRCrtcChangeNotifyEvent *from,
+			 xRRCrtcChangeNotifyEvent *to)
+{
+    to->type = from->type;
+    to->subCode = from->subCode;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->timestamp, to->timestamp);
+    cpswapl(from->window, to->window);
+    cpswapl(from->crtc, to->crtc);
+    cpswapl(from->mode, to->mode);
+    cpswapl(from->window, to->window);
+    cpswaps(from->rotation, to->rotation);
+    cpswaps(from->x, to->x);
+    cpswaps(from->y, to->y);
+    cpswaps(from->width, to->width);
+    cpswaps(from->height, to->height);
+}
+
+static void
+SRROutputChangeNotifyEvent(xRROutputChangeNotifyEvent *from,
+			   xRROutputChangeNotifyEvent *to)
+{
+    to->type = from->type;
+    to->subCode = from->subCode;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->timestamp, to->timestamp);
+    cpswapl(from->configTimestamp, to->configTimestamp);
+    cpswapl(from->window, to->window);
+    cpswapl(from->output, to->output);
+    cpswapl(from->crtc, to->crtc);
+    cpswapl(from->mode, to->mode);
+    cpswaps(from->rotation, to->rotation);
+}
+
+static void
+SRROutputPropertyNotifyEvent(xRROutputPropertyNotifyEvent *from,
+			     xRROutputPropertyNotifyEvent *to)
+{
+    to->type = from->type;
+    to->subCode = from->subCode;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->window, to->window);
+    cpswapl(from->output, to->output);
+    cpswapl(from->atom, to->atom);
+    cpswapl(from->timestamp, to->timestamp);
+}
+
+static void
+SRRNotifyEvent (xEvent *from,
+		xEvent *to)
+{
+    switch (from->u.u.detail) {
+    case RRNotify_CrtcChange:
+	SRRCrtcChangeNotifyEvent ((xRRCrtcChangeNotifyEvent *) from,
+				  (xRRCrtcChangeNotifyEvent *) to);
+	break;
+    case RRNotify_OutputChange:
+	SRROutputChangeNotifyEvent ((xRROutputChangeNotifyEvent *) from,
+				    (xRROutputChangeNotifyEvent *) to);
+	break;
+    case RRNotify_OutputProperty:
+	SRROutputPropertyNotifyEvent ((xRROutputPropertyNotifyEvent *) from,
+				      (xRROutputPropertyNotifyEvent *) to);
+	break;
+    default:
+	break;
+    }
+}
+
+static int RRGeneration;
+
+Bool RRInit (void)
+{
+    if (RRGeneration != serverGeneration)
+    {
+        #ifdef NXAGENT_SERVER
+	if ((rrPrivIndex = AllocateScreenPrivateIndex()) < 0)
+	    return FALSE;
+        #endif
+	if (!RRModeInit ())
+	    return FALSE;
+	if (!RRCrtcInit ())
+	    return FALSE;
+	if (!RROutputInit ())
+	    return FALSE;
+	RRGeneration = serverGeneration;
+    }
+    return TRUE;
+}
+
+Bool RRScreenInit(ScreenPtr pScreen)
+{
+    rrScrPrivPtr   pScrPriv;
+
+    if (!RRInit ())
+	return FALSE;
+
+    pScrPriv = (rrScrPrivPtr) xcalloc (1, sizeof (rrScrPrivRec));
+    if (!pScrPriv)
+	return FALSE;
+
+    SetRRScreen(pScreen, pScrPriv);
+
+    /*
+     * Calling function best set these function vectors
+     */
+    pScrPriv->rrGetInfo = 0;
+    pScrPriv->maxWidth = pScrPriv->minWidth = pScreen->width;
+    pScrPriv->maxHeight = pScrPriv->minHeight = pScreen->height;
+    
+    pScrPriv->width = pScreen->width;
+    pScrPriv->height = pScreen->height;
+    pScrPriv->mmWidth = pScreen->mmWidth;
+    pScrPriv->mmHeight = pScreen->mmHeight;
+#if RANDR_12_INTERFACE
+    pScrPriv->rrScreenSetSize = NULL;
+    pScrPriv->rrCrtcSet = NULL;
+    pScrPriv->rrCrtcSetGamma = NULL;
+#endif
+#if RANDR_10_INTERFACE    
+    pScrPriv->rrSetConfig = 0;
+    pScrPriv->rotations = RR_Rotate_0;
+    pScrPriv->reqWidth = pScreen->width;
+    pScrPriv->reqHeight = pScreen->height;
+    pScrPriv->nSizes = 0;
+    pScrPriv->pSizes = NULL;
+    pScrPriv->rotation = RR_Rotate_0;
+    pScrPriv->rate = 0;
+    pScrPriv->size = 0;
+#endif
+    
+    /*
+     * This value doesn't really matter -- any client must call
+     * GetScreenInfo before reading it which will automatically update
+     * the time
+     */
+    pScrPriv->lastSetTime = currentTime;
+    pScrPriv->lastConfigTime = currentTime;
+    
+    wrap (pScrPriv, pScreen, CloseScreen, RRCloseScreen);
+
+    pScrPriv->numOutputs = 0;
+    pScrPriv->outputs = NULL;
+    pScrPriv->numCrtcs = 0;
+    pScrPriv->crtcs = NULL;
+    
+    RRNScreens += 1;	/* keep count of screens that implement randr */
+    return TRUE;
+}
+
+/*ARGSUSED*/
+static int
+RRFreeClient (pointer data, XID id)
+{
+    RREventPtr   pRREvent;
+    WindowPtr	    pWin;
+    RREventPtr   *pHead, pCur, pPrev;
+
+    pRREvent = (RREventPtr) data;
+    pWin = pRREvent->window;
+    pHead = (RREventPtr *) LookupIDByType(pWin->drawable.id, RREventType);
+    if (pHead) {
+	pPrev = 0;
+	for (pCur = *pHead; pCur && pCur != pRREvent; pCur=pCur->next)
+	    pPrev = pCur;
+	if (pCur)
+	{
+	    if (pPrev)
+	    	pPrev->next = pRREvent->next;
+	    else
+	    	*pHead = pRREvent->next;
+	}
+    }
+    xfree ((pointer) pRREvent);
+    return 1;
+}
+
+/*ARGSUSED*/
+static int
+RRFreeEvents (pointer data, XID id)
+{
+    RREventPtr   *pHead, pCur, pNext;
+
+    pHead = (RREventPtr *) data;
+    for (pCur = *pHead; pCur; pCur = pNext) {
+	pNext = pCur->next;
+	FreeResource (pCur->clientResource, RRClientType);
+	xfree ((pointer) pCur);
+    }
+    xfree ((pointer) pHead);
+    return 1;
+}
+
+void
+RRExtensionInit (void)
+{
+    ExtensionEntry *extEntry;
+
+    if (RRNScreens == 0) return;
+
+    #ifndef NXAGENT_SERVER
+    if (!dixRequestPrivate(RRClientPrivateKey,
+				sizeof (RRClientRec) +
+				screenInfo.numScreens * sizeof (RRTimesRec)))
+	return;
+    #else
+    RRClientPrivateIndex = AllocateClientPrivateIndex ();
+    if (!AllocateClientPrivate (RRClientPrivateIndex,
+				sizeof (RRClientRec) +
+				screenInfo.numScreens * sizeof (RRTimesRec)))
+	return;
+    #endif
+    if (!AddCallback (&ClientStateCallback, RRClientCallback, 0))
+	return;
+
+    RRClientType = CreateNewResourceType(RRFreeClient);
+    if (!RRClientType)
+	return;
+    RREventType = CreateNewResourceType(RRFreeEvents);
+    if (!RREventType)
+	return;
+    extEntry = AddExtension (RANDR_NAME, RRNumberEvents, RRNumberErrors,
+			     ProcRRDispatch, SProcRRDispatch,
+			     RRResetProc, StandardMinorOpcode);
+    if (!extEntry)
+	return;
+    RRErrorBase = extEntry->errorBase;
+    RREventBase = extEntry->eventBase;
+    EventSwapVector[RREventBase + RRScreenChangeNotify] = (EventSwapPtr) 
+	SRRScreenChangeNotifyEvent;
+    EventSwapVector[RREventBase + RRNotify] = (EventSwapPtr)
+	SRRNotifyEvent;
+#ifdef PANORAMIX
+    RRXineramaExtensionInit();
+#endif
+}
+
+static int
+TellChanged (WindowPtr pWin, pointer value)
+{
+    RREventPtr			*pHead, pRREvent;
+    ClientPtr			client;
+    ScreenPtr			pScreen = pWin->drawable.pScreen;
+    rrScrPriv(pScreen);
+    int				i;
+
+    pHead = (RREventPtr *) LookupIDByType (pWin->drawable.id, RREventType);
+    if (!pHead)
+	return WT_WALKCHILDREN;
+
+    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) 
+    {
+	client = pRREvent->client;
+	if (client == serverClient || client->clientGone)
+	    continue;
+
+	if (pRREvent->mask & RRScreenChangeNotifyMask)
+	    RRDeliverScreenEvent (client, pWin, pScreen);
+	
+	if (pRREvent->mask & RRCrtcChangeNotifyMask)
+	{
+	    for (i = 0; i < pScrPriv->numCrtcs; i++)
+	    {
+		RRCrtcPtr   crtc = pScrPriv->crtcs[i];
+		if (crtc->changed)
+		    RRDeliverCrtcEvent (client, pWin, crtc);
+	    }
+	}
+	
+	if (pRREvent->mask & RROutputChangeNotifyMask)
+	{
+	    for (i = 0; i < pScrPriv->numOutputs; i++)
+	    {
+		RROutputPtr   output = pScrPriv->outputs[i];
+		if (output->changed)
+		    RRDeliverOutputEvent (client, pWin, output);
+	    }
+	}
+    }
+    return WT_WALKCHILDREN;
+}
+
+/*
+ * Something changed; send events and adjust pointer position
+ */
+void
+RRTellChanged (ScreenPtr pScreen)
+{
+    rrScrPriv (pScreen);
+    int i;
+    
+    if (pScrPriv->changed)
+    {
+	UpdateCurrentTime ();
+	if (pScrPriv->configChanged)
+	{
+	    pScrPriv->lastConfigTime = currentTime;
+	    pScrPriv->configChanged = FALSE;
+	}
+	pScrPriv->changed = FALSE;
+	WalkTree (pScreen, TellChanged, (pointer) pScreen);
+	for (i = 0; i < pScrPriv->numOutputs; i++)
+	    pScrPriv->outputs[i]->changed = FALSE;
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	    pScrPriv->crtcs[i]->changed = FALSE;
+	if (pScrPriv->layoutChanged)
+	{
+	    pScrPriv->layoutChanged = FALSE;
+	    RRPointerScreenConfigured (pScreen);
+	    RRSendConfigNotify (pScreen);
+	}
+    }
+}
+
+/*
+ * Return the first output which is connected to an active CRTC
+ * Used in emulating 1.0 behaviour
+ */
+RROutputPtr
+RRFirstOutput (ScreenPtr pScreen)
+{
+    rrScrPriv(pScreen);
+    RROutputPtr		    output;
+    int	i, j;
+    
+    for (i = 0; i < pScrPriv->numCrtcs; i++)
+    {
+	RRCrtcPtr   crtc = pScrPriv->crtcs[i];
+	for (j = 0; j < pScrPriv->numOutputs; j++)
+	{
+	    output = pScrPriv->outputs[j];
+	    if (output->crtc == crtc)
+		return output;
+	}
+    }
+    return NULL;
+}
+
+CARD16
+RRVerticalRefresh (xRRModeInfo *mode)
+{
+    CARD32  refresh;
+    CARD32  dots = mode->hTotal * mode->vTotal;
+    if (!dots)
+	return 0;
+    refresh = (mode->dotClock + dots/2) / dots;
+    if (refresh > 0xffff)
+	refresh = 0xffff;
+    return (CARD16) refresh;
+}
+
+static int
+ProcRRDispatch (ClientPtr client)
+{
+    REQUEST(xReq);
+    if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data])
+	return BadRequest;
+    return (*ProcRandrVector[stuff->data]) (client);
+}
+
+static int
+SProcRRDispatch (ClientPtr client)
+{
+    REQUEST(xReq);
+    if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data])
+	return BadRequest;
+    return (*SProcRandrVector[stuff->data]) (client);
+}
+

nx-X11/programs/Xserver/randr/randr.c.X.original

+/*
+ * Copyright © 2000 Compaq Computer Corporation
+ * Copyright © 2002 Hewlett-Packard Company
+ * Copyright © 2006 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ *
+ * Author:  Jim Gettys, Hewlett-Packard Company, Inc.
+ *	    Keith Packard, Intel Corporation
+ */
+
+#define NEED_REPLIES
+#define NEED_EVENTS
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "randrstr.h"
+
+/* From render.h */
+#ifndef SubPixelUnknown
+#define SubPixelUnknown 0
+#endif
+
+#define RR_VALIDATE
+static int	RRNScreens;
+
+#define wrap(priv,real,mem,func) {\
+    priv->mem = real->mem; \
+    real->mem = func; \
+}
+
+#define unwrap(priv,real,mem) {\
+    real->mem = priv->mem; \
+}
+
+static int ProcRRDispatch (ClientPtr pClient);
+static int SProcRRDispatch (ClientPtr pClient);
+
+int	RREventBase;
+int	RRErrorBase;
+RESTYPE RRClientType, RREventType; /* resource types for event masks */
+DevPrivateKey RRClientPrivateKey = &RRClientPrivateKey;
+
+DevPrivateKey rrPrivKey = &rrPrivKey;
+
+static void
+RRClientCallback (CallbackListPtr	*list,
+		  pointer		closure,
+		  pointer		data)
+{
+    NewClientInfoRec	*clientinfo = (NewClientInfoRec *) data;
+    ClientPtr		pClient = clientinfo->client;
+    rrClientPriv(pClient);
+    RRTimesPtr		pTimes = (RRTimesPtr) (pRRClient + 1);
+    int			i;
+
+    pRRClient->major_version = 0;
+    pRRClient->minor_version = 0;
+    for (i = 0; i < screenInfo.numScreens; i++)
+    {
+	ScreenPtr   pScreen = screenInfo.screens[i];
+	rrScrPriv(pScreen);
+
+	if (pScrPriv)
+	{
+	    pTimes[i].setTime = pScrPriv->lastSetTime;
+	    pTimes[i].configTime = pScrPriv->lastConfigTime;
+	}
+    }
+}
+
+static void
+RRResetProc (ExtensionEntry *extEntry)
+{
+}
+    
+static Bool
+RRCloseScreen (int i, ScreenPtr pScreen)
+{
+    rrScrPriv(pScreen);
+    int		    j;
+
+    unwrap (pScrPriv, pScreen, CloseScreen);
+    for (j = pScrPriv->numCrtcs - 1; j >= 0; j--)
+	RRCrtcDestroy (pScrPriv->crtcs[j]);
+    for (j = pScrPriv->numOutputs - 1; j >= 0; j--)
+	RROutputDestroy (pScrPriv->outputs[j]);
+    
+    xfree (pScrPriv);
+    RRNScreens -= 1;	/* ok, one fewer screen with RandR running */
+    return (*pScreen->CloseScreen) (i, pScreen);    
+}
+
+static void
+SRRScreenChangeNotifyEvent(xRRScreenChangeNotifyEvent *from,
+			   xRRScreenChangeNotifyEvent *to)
+{
+    to->type = from->type;
+    to->rotation = from->rotation;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->timestamp, to->timestamp);
+    cpswapl(from->configTimestamp, to->configTimestamp);
+    cpswapl(from->root, to->root);
+    cpswapl(from->window, to->window);
+    cpswaps(from->sizeID, to->sizeID);
+    cpswaps(from->widthInPixels, to->widthInPixels);
+    cpswaps(from->heightInPixels, to->heightInPixels);
+    cpswaps(from->widthInMillimeters, to->widthInMillimeters);
+    cpswaps(from->heightInMillimeters, to->heightInMillimeters);
+    cpswaps(from->subpixelOrder, to->subpixelOrder);
+}
+
+static void
+SRRCrtcChangeNotifyEvent(xRRCrtcChangeNotifyEvent *from,
+			 xRRCrtcChangeNotifyEvent *to)
+{
+    to->type = from->type;
+    to->subCode = from->subCode;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->timestamp, to->timestamp);
+    cpswapl(from->window, to->window);
+    cpswapl(from->crtc, to->crtc);
+    cpswapl(from->mode, to->mode);
+    cpswapl(from->window, to->window);
+    cpswaps(from->rotation, to->rotation);
+    cpswaps(from->x, to->x);
+    cpswaps(from->y, to->y);
+    cpswaps(from->width, to->width);
+    cpswaps(from->height, to->height);
+}
+
+static void
+SRROutputChangeNotifyEvent(xRROutputChangeNotifyEvent *from,
+			   xRROutputChangeNotifyEvent *to)
+{
+    to->type = from->type;
+    to->subCode = from->subCode;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->timestamp, to->timestamp);
+    cpswapl(from->configTimestamp, to->configTimestamp);
+    cpswapl(from->window, to->window);
+    cpswapl(from->output, to->output);
+    cpswapl(from->crtc, to->crtc);
+    cpswapl(from->mode, to->mode);
+    cpswaps(from->rotation, to->rotation);
+}
+
+static void
+SRROutputPropertyNotifyEvent(xRROutputPropertyNotifyEvent *from,
+			     xRROutputPropertyNotifyEvent *to)
+{
+    to->type = from->type;
+    to->subCode = from->subCode;
+    cpswaps(from->sequenceNumber, to->sequenceNumber);
+    cpswapl(from->window, to->window);
+    cpswapl(from->output, to->output);
+    cpswapl(from->atom, to->atom);
+    cpswapl(from->timestamp, to->timestamp);
+}
+
+static void
+SRRNotifyEvent (xEvent *from,
+		xEvent *to)
+{
+    switch (from->u.u.detail) {
+    case RRNotify_CrtcChange:
+	SRRCrtcChangeNotifyEvent ((xRRCrtcChangeNotifyEvent *) from,
+				  (xRRCrtcChangeNotifyEvent *) to);
+	break;
+    case RRNotify_OutputChange:
+	SRROutputChangeNotifyEvent ((xRROutputChangeNotifyEvent *) from,
+				    (xRROutputChangeNotifyEvent *) to);
+	break;
+    case RRNotify_OutputProperty:
+	SRROutputPropertyNotifyEvent ((xRROutputPropertyNotifyEvent *) from,
+				      (xRROutputPropertyNotifyEvent *) to);
+	break;
+    default:
+	break;
+    }
+}
+
+static int RRGeneration;
+
+Bool RRInit (void)
+{
+    if (RRGeneration != serverGeneration)
+    {
+	if (!RRModeInit ())
+	    return FALSE;
+	if (!RRCrtcInit ())
+	    return FALSE;
+	if (!RROutputInit ())
+	    return FALSE;
+	RRGeneration = serverGeneration;
+    }
+    return TRUE;
+}
+
+Bool RRScreenInit(ScreenPtr pScreen)
+{
+    rrScrPrivPtr   pScrPriv;
+
+    if (!RRInit ())
+	return FALSE;
+
+    pScrPriv = (rrScrPrivPtr) xcalloc (1, sizeof (rrScrPrivRec));
+    if (!pScrPriv)
+	return FALSE;
+
+    SetRRScreen(pScreen, pScrPriv);
+
+    /*
+     * Calling function best set these function vectors
+     */
+    pScrPriv->rrGetInfo = 0;
+    pScrPriv->maxWidth = pScrPriv->minWidth = pScreen->width;
+    pScrPriv->maxHeight = pScrPriv->minHeight = pScreen->height;
+    
+    pScrPriv->width = pScreen->width;
+    pScrPriv->height = pScreen->height;
+    pScrPriv->mmWidth = pScreen->mmWidth;
+    pScrPriv->mmHeight = pScreen->mmHeight;
+#if RANDR_12_INTERFACE
+    pScrPriv->rrScreenSetSize = NULL;
+    pScrPriv->rrCrtcSet = NULL;
+    pScrPriv->rrCrtcSetGamma = NULL;
+#endif
+#if RANDR_10_INTERFACE    
+    pScrPriv->rrSetConfig = 0;
+    pScrPriv->rotations = RR_Rotate_0;
+    pScrPriv->reqWidth = pScreen->width;
+    pScrPriv->reqHeight = pScreen->height;
+    pScrPriv->nSizes = 0;
+    pScrPriv->pSizes = NULL;
+    pScrPriv->rotation = RR_Rotate_0;
+    pScrPriv->rate = 0;
+    pScrPriv->size = 0;
+#endif
+    
+    /*
+     * This value doesn't really matter -- any client must call
+     * GetScreenInfo before reading it which will automatically update
+     * the time
+     */
+    pScrPriv->lastSetTime = currentTime;
+    pScrPriv->lastConfigTime = currentTime;
+    
+    wrap (pScrPriv, pScreen, CloseScreen, RRCloseScreen);
+
+    pScrPriv->numOutputs = 0;
+    pScrPriv->outputs = NULL;
+    pScrPriv->numCrtcs = 0;
+    pScrPriv->crtcs = NULL;
+    
+    RRNScreens += 1;	/* keep count of screens that implement randr */
+    return TRUE;
+}
+
+/*ARGSUSED*/
+static int
+RRFreeClient (pointer data, XID id)
+{
+    RREventPtr   pRREvent;
+    WindowPtr	    pWin;
+    RREventPtr   *pHead, pCur, pPrev;
+
+    pRREvent = (RREventPtr) data;
+    pWin = pRREvent->window;
+    pHead = (RREventPtr *) LookupIDByType(pWin->drawable.id, RREventType);
+    if (pHead) {
+	pPrev = 0;
+	for (pCur = *pHead; pCur && pCur != pRREvent; pCur=pCur->next)
+	    pPrev = pCur;
+	if (pCur)
+	{
+	    if (pPrev)
+	    	pPrev->next = pRREvent->next;
+	    else
+	    	*pHead = pRREvent->next;
+	}
+    }
+    xfree ((pointer) pRREvent);
+    return 1;
+}
+
+/*ARGSUSED*/
+static int
+RRFreeEvents (pointer data, XID id)
+{
+    RREventPtr   *pHead, pCur, pNext;
+
+    pHead = (RREventPtr *) data;
+    for (pCur = *pHead; pCur; pCur = pNext) {
+	pNext = pCur->next;
+	FreeResource (pCur->clientResource, RRClientType);
+	xfree ((pointer) pCur);
+    }
+    xfree ((pointer) pHead);
+    return 1;
+}
+
+void
+RRExtensionInit (void)
+{
+    ExtensionEntry *extEntry;
+
+    if (RRNScreens == 0) return;
+
+    if (!dixRequestPrivate(RRClientPrivateKey,
+				sizeof (RRClientRec) +
+				screenInfo.numScreens * sizeof (RRTimesRec)))
+	return;
+    if (!AddCallback (&ClientStateCallback, RRClientCallback, 0))
+	return;
+
+    RRClientType = CreateNewResourceType(RRFreeClient);
+    if (!RRClientType)
+	return;
+    RREventType = CreateNewResourceType(RRFreeEvents);
+    if (!RREventType)
+	return;
+    extEntry = AddExtension (RANDR_NAME, RRNumberEvents, RRNumberErrors,
+			     ProcRRDispatch, SProcRRDispatch,
+			     RRResetProc, StandardMinorOpcode);
+    if (!extEntry)
+	return;
+    RRErrorBase = extEntry->errorBase;
+    RREventBase = extEntry->eventBase;
+    EventSwapVector[RREventBase + RRScreenChangeNotify] = (EventSwapPtr) 
+	SRRScreenChangeNotifyEvent;
+    EventSwapVector[RREventBase + RRNotify] = (EventSwapPtr)
+	SRRNotifyEvent;
+#ifdef PANORAMIX
+    RRXineramaExtensionInit();
+#endif
+}
+
+static int
+TellChanged (WindowPtr pWin, pointer value)
+{
+    RREventPtr			*pHead, pRREvent;
+    ClientPtr			client;
+    ScreenPtr			pScreen = pWin->drawable.pScreen;
+    rrScrPriv(pScreen);
+    int				i;
+
+    pHead = (RREventPtr *) LookupIDByType (pWin->drawable.id, RREventType);
+    if (!pHead)
+	return WT_WALKCHILDREN;
+
+    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) 
+    {
+	client = pRREvent->client;
+	if (client == serverClient || client->clientGone)
+	    continue;
+
+	if (pRREvent->mask & RRScreenChangeNotifyMask)
+	    RRDeliverScreenEvent (client, pWin, pScreen);
+	
+	if (pRREvent->mask & RRCrtcChangeNotifyMask)
+	{
+	    for (i = 0; i < pScrPriv->numCrtcs; i++)
+	    {
+		RRCrtcPtr   crtc = pScrPriv->crtcs[i];
+		if (crtc->changed)
+		    RRDeliverCrtcEvent (client, pWin, crtc);
+	    }
+	}
+	
+	if (pRREvent->mask & RROutputChangeNotifyMask)
+	{
+	    for (i = 0; i < pScrPriv->numOutputs; i++)
+	    {
+		RROutputPtr   output = pScrPriv->outputs[i];
+		if (output->changed)
+		    RRDeliverOutputEvent (client, pWin, output);
+	    }
+	}
+    }
+    return WT_WALKCHILDREN;
+}
+
+/*
+ * Something changed; send events and adjust pointer position
+ */
+void
+RRTellChanged (ScreenPtr pScreen)
+{
+    rrScrPriv (pScreen);
+    int i;
+    
+    if (pScrPriv->changed)
+    {
+	UpdateCurrentTime ();
+	if (pScrPriv->configChanged)
+	{
+	    pScrPriv->lastConfigTime = currentTime;
+	    pScrPriv->configChanged = FALSE;
+	}
+	pScrPriv->changed = FALSE;
+	WalkTree (pScreen, TellChanged, (pointer) pScreen);
+	for (i = 0; i < pScrPriv->numOutputs; i++)
+	    pScrPriv->outputs[i]->changed = FALSE;
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	    pScrPriv->crtcs[i]->changed = FALSE;
+	if (pScrPriv->layoutChanged)
+	{
+	    pScrPriv->layoutChanged = FALSE;
+	    RRPointerScreenConfigured (pScreen);
+	    RRSendConfigNotify (pScreen);
+	}
+    }
+}
+
+/*
+ * Return the first output which is connected to an active CRTC
+ * Used in emulating 1.0 behaviour
+ */
+RROutputPtr
+RRFirstOutput (ScreenPtr pScreen)
+{
+    rrScrPriv(pScreen);
+    RROutputPtr		    output;
+    int	i, j;
+    
+    for (i = 0; i < pScrPriv->numCrtcs; i++)
+    {
+	RRCrtcPtr   crtc = pScrPriv->crtcs[i];
+	for (j = 0; j < pScrPriv->numOutputs; j++)
+	{
+	    output = pScrPriv->outputs[j];
+	    if (output->crtc == crtc)
+		return output;
+	}
+    }
+    return NULL;
+}
+
+CARD16
+RRVerticalRefresh (xRRModeInfo *mode)
+{
+    CARD32  refresh;
+    CARD32  dots = mode->hTotal * mode->vTotal;
+    if (!dots)
+	return 0;
+    refresh = (mode->dotClock + dots/2) / dots;
+    if (refresh > 0xffff)
+	refresh = 0xffff;
+    return (CARD16) refresh;
+}
+
+static int
+ProcRRDispatch (ClientPtr client)
+{
+    REQUEST(xReq);
+    if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data])
+	return BadRequest;
+    return (*ProcRandrVector[stuff->data]) (client);
+}
+
+static int
+SProcRRDispatch (ClientPtr client)
+{
+    REQUEST(xReq);
+    if (stuff->data >= RRNumberRequests || !ProcRandrVector[stuff->data])
+	return BadRequest;
+    return (*SProcRandrVector[stuff->data]) (client);
+}
+

nx-X11/programs/Xserver/randr/randr.h

+/*
+ * Copyright © 2000 Compaq Computer Corporation
+ * Copyright © 2002 Hewlett Packard Company
+ * Copyright © 2006 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ *
+ * Author:  Jim Gettys, HP Labs, Hewlett-Packard, Inc.
+ *	    Keith Packard, Intel Corporation
+ */
+
+#ifndef _RANDR_H_
+#define _RANDR_H_
+
+typedef unsigned short	Rotation;
+typedef unsigned short	SizeID;
+typedef unsigned short	SubpixelOrder;
+typedef unsigned short	Connection;
+typedef unsigned short	XRandrRotation;
+typedef unsigned short	XRandrSizeID;
+typedef unsigned short	XRandrSubpixelOrder;
+typedef unsigned long	XRandrModeFlags;
+
+#define RANDR_NAME		"RANDR"
+#define RANDR_MAJOR		1
+#define RANDR_MINOR		2
+
+#define RRNumberErrors		3
+#define RRNumberEvents		2
+#define RRNumberRequests	25
+
+#define X_RRQueryVersion	0
+/* we skip 1 to make old clients fail pretty immediately */
+#define X_RROldGetScreenInfo	1
+#define X_RR1_0SetScreenConfig	2
+/* V1.0 apps share the same set screen config request id */
+#define X_RRSetScreenConfig	2
+#define X_RROldScreenChangeSelectInput	3
+/* 3 used to be ScreenChangeSelectInput; deprecated */
+#define X_RRSelectInput		4
+#define X_RRGetScreenInfo	5
+
+/* V1.2 additions */
+#define X_RRGetScreenSizeRange	    6
+#define X_RRSetScreenSize	    7
+#define X_RRGetScreenResources	    8
+#define X_RRGetOutputInfo	    9
+#define X_RRListOutputProperties    10
+#define X_RRQueryOutputProperty	    11
+#define X_RRConfigureOutputProperty 12
+#define X_RRChangeOutputProperty    13
+#define X_RRDeleteOutputProperty    14
+#define X_RRGetOutputProperty	    15
+#define X_RRCreateMode		    16
+#define X_RRDestroyMode		    17
+#define X_RRAddOutputMode	    18
+#define X_RRDeleteOutputMode	    19
+#define X_RRGetCrtcInfo		    20
+#define X_RRSetCrtcConfig	    21
+#define X_RRGetCrtcGammaSize	    22
+#define X_RRGetCrtcGamma	    23
+#define X_RRSetCrtcGamma	    24
+
+/* Event selection bits */
+#define RRScreenChangeNotifyMask  (1L << 0)
+/* V1.2 additions */
+#define RRCrtcChangeNotifyMask	    (1L << 1)
+#define RROutputChangeNotifyMask    (1L << 2)
+#define RROutputPropertyNotifyMask  (1L << 3)
+
+/* Event codes */
+#define RRScreenChangeNotify	0
+/* V1.2 additions */
+#define RRNotify		    1
+/* RRNotify Subcodes */
+#define  RRNotify_CrtcChange	    0
+#define  RRNotify_OutputChange	    1
+#define  RRNotify_OutputProperty    2
+
+/* used in the rotation field; rotation and reflection in 0.1 proto. */
+#define RR_Rotate_0		1
+#define RR_Rotate_90		2
+#define RR_Rotate_180		4
+#define RR_Rotate_270		8
+
+/* new in 1.0 protocol, to allow reflection of screen */
+
+#define RR_Reflect_X		16
+#define RR_Reflect_Y		32
+
+#define RRSetConfigSuccess		0
+#define RRSetConfigInvalidConfigTime	1
+#define RRSetConfigInvalidTime		2
+#define RRSetConfigFailed		3
+
+/* new in 1.2 protocol */
+
+#define RR_HSyncPositive	0x00000001
+#define RR_HSyncNegative	0x00000002
+#define RR_VSyncPositive	0x00000004
+#define RR_VSyncNegative	0x00000008
+#define RR_Interlace		0x00000010
+#define RR_DoubleScan		0x00000020
+#define RR_CSync		0x00000040
+#define RR_CSyncPositive	0x00000080
+#define RR_CSyncNegative	0x00000100
+#define RR_HSkewPresent		0x00000200
+#define RR_BCast		0x00000400
+#define RR_PixelMultiplex	0x00000800
+#define RR_DoubleClock		0x00001000
+#define RR_ClockDivideBy2	0x00002000
+
+#define RR_Connected		0
+#define RR_Disconnected		1
+#define RR_UnknownConnection	2
+
+#define BadRROutput		0
+#define BadRRCrtc		1
+#define BadRRMode		2
+
+/* Conventional RandR output properties */
+
+#define RR_PROPERTY_RANDR_EDID		"RANDR_EDID"
+
+#endif	/* _RANDR_H_ */

nx-X11/programs/Xserver/randr/randr.h.NX.original

+/*
+ * Copyright © 2000 Compaq Computer Corporation
+ * Copyright © 2002 Hewlett Packard Company
+ * Copyright © 2006 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ *
+ * Author:  Jim Gettys, HP Labs, Hewlett-Packard, Inc.
+ *	    Keith Packard, Intel Corporation
+ */
+
+#ifndef _RANDR_H_
+#define _RANDR_H_
+
+typedef unsigned short	Rotation;
+typedef unsigned short	SizeID;
+typedef unsigned short	SubpixelOrder;
+typedef unsigned short	Connection;
+typedef unsigned short	XRandrRotation;
+typedef unsigned short	XRandrSizeID;
+typedef unsigned short	XRandrSubpixelOrder;
+typedef unsigned long	XRandrModeFlags;
+
+#define RANDR_NAME		"RANDR"
+#define RANDR_MAJOR		1
+#define RANDR_MINOR		2
+
+#define RRNumberErrors		3
+#define RRNumberEvents		2
+#define RRNumberRequests	25
+
+#define X_RRQueryVersion	0
+/* we skip 1 to make old clients fail pretty immediately */
+#define X_RROldGetScreenInfo	1
+#define X_RR1_0SetScreenConfig	2
+/* V1.0 apps share the same set screen config request id */
+#define X_RRSetScreenConfig	2
+#define X_RROldScreenChangeSelectInput	3
+/* 3 used to be ScreenChangeSelectInput; deprecated */
+#define X_RRSelectInput		4
+#define X_RRGetScreenInfo	5
+
+/* V1.2 additions */
+#define X_RRGetScreenSizeRange	    6
+#define X_RRSetScreenSize	    7
+#define X_RRGetScreenResources	    8
+#define X_RRGetOutputInfo	    9
+#define X_RRListOutputProperties    10
+#define X_RRQueryOutputProperty	    11
+#define X_RRConfigureOutputProperty 12
+#define X_RRChangeOutputProperty    13
+#define X_RRDeleteOutputProperty    14
+#define X_RRGetOutputProperty	    15
+#define X_RRCreateMode		    16
+#define X_RRDestroyMode		    17
+#define X_RRAddOutputMode	    18
+#define X_RRDeleteOutputMode	    19
+#define X_RRGetCrtcInfo		    20
+#define X_RRSetCrtcConfig	    21
+#define X_RRGetCrtcGammaSize	    22
+#define X_RRGetCrtcGamma	    23
+#define X_RRSetCrtcGamma	    24
+
+/* Event selection bits */
+#define RRScreenChangeNotifyMask  (1L << 0)
+/* V1.2 additions */
+#define RRCrtcChangeNotifyMask	    (1L << 1)
+#define RROutputChangeNotifyMask    (1L << 2)
+#define RROutputPropertyNotifyMask  (1L << 3)
+
+/* Event codes */
+#define RRScreenChangeNotify	0
+/* V1.2 additions */
+#define RRNotify		    1
+/* RRNotify Subcodes */
+#define  RRNotify_CrtcChange	    0
+#define  RRNotify_OutputChange	    1
+#define  RRNotify_OutputProperty    2
+
+/* used in the rotation field; rotation and reflection in 0.1 proto. */
+#define RR_Rotate_0		1
+#define RR_Rotate_90		2
+#define RR_Rotate_180		4
+#define RR_Rotate_270		8
+
+/* new in 1.0 protocol, to allow reflection of screen */
+
+#define RR_Reflect_X		16
+#define RR_Reflect_Y		32
+
+#define RRSetConfigSuccess		0
+#define RRSetConfigInvalidConfigTime	1
+#define RRSetConfigInvalidTime		2
+#define RRSetConfigFailed		3
+
+/* new in 1.2 protocol */
+
+#define RR_HSyncPositive	0x00000001
+#define RR_HSyncNegative	0x00000002
+#define RR_VSyncPositive	0x00000004
+#define RR_VSyncNegative	0x00000008
+#define RR_Interlace		0x00000010
+#define RR_DoubleScan		0x00000020
+#define RR_CSync		0x00000040
+#define RR_CSyncPositive	0x00000080
+#define RR_CSyncNegative	0x00000100
+#define RR_HSkewPresent		0x00000200
+#define RR_BCast		0x00000400
+#define RR_PixelMultiplex	0x00000800
+#define RR_DoubleClock		0x00001000
+#define RR_ClockDivideBy2	0x00002000
+
+#define RR_Connected		0
+#define RR_Disconnected		1
+#define RR_UnknownConnection	2
+
+#define BadRROutput		0
+#define BadRRCrtc		1
+#define BadRRMode		2
+
+/* Conventional RandR output properties */
+
+#define RR_PROPERTY_RANDR_EDID		"RANDR_EDID"
+
+#endif	/* _RANDR_H_ */

nx-X11/programs/Xserver/randr/randrproto.h

+/*
+ * Copyright © 2000 Compaq Computer Corporation
+ * Copyright © 2002 Hewlett-Packard Company
+ * Copyright © 2006 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ *
+ * Author:  Jim Gettys, Hewlett-Packard Company, Inc.
+ *	    Keith Packard, Intel Corporation
+ */
+
+/* note that RANDR 1.0 is incompatible with version 0.0, or 0.1 */
+/* V1.0 removes depth switching from the protocol */
+#ifndef _XRANDRP_H_
+#define _XRANDRP_H_
+
+/*#include <X11/extensions/randr.h>*/
+#include "randr.h"
+
+#define Window CARD32
+#define Drawable CARD32
+#define Font CARD32
+#define Pixmap CARD32
+#define Cursor CARD32
+#define Colormap CARD32
+#define GContext CARD32
+#define Atom CARD32
+#define Time CARD32
+#define KeyCode CARD8
+#define KeySym CARD32
+#define RROutput CARD32
+#define RRMode CARD32
+#define RRCrtc CARD32
+#define RRModeFlags CARD32
+
+#define Rotation CARD16
+#define SizeID CARD16
+#define SubpixelOrder CARD16
+
+/*
+ * data structures
+ */
+
+typedef struct {
+    CARD16 widthInPixels B16;
+    CARD16 heightInPixels B16;
+    CARD16 widthInMillimeters B16;
+    CARD16 heightInMillimeters B16;
+} xScreenSizes;
+#define sz_xScreenSizes 8
+
+/* 
+ * requests and replies
+ */
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   randrReqType;
+    CARD16  length B16;
+    CARD32  majorVersion B32;
+    CARD32  minorVersion B32;
+} xRRQueryVersionReq;
+#define sz_xRRQueryVersionReq   12
+
+typedef struct {
+    BYTE    type;   /* X_Reply */
+    BYTE    pad1;
+    CARD16  sequenceNumber B16;
+    CARD32  length B32;
+    CARD32  majorVersion B32;
+    CARD32  minorVersion B32;
+    CARD32  pad2 B32;
+    CARD32  pad3 B32;
+    CARD32  pad4 B32;
+    CARD32  pad5 B32;
+} xRRQueryVersionReply;
+#define sz_xRRQueryVersionReply	32
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   randrReqType;
+    CARD16  length B16;
+    Window  window B32;
+} xRRGetScreenInfoReq;
+#define sz_xRRGetScreenInfoReq   8
+
+/* 
+ * the xRRScreenInfoReply structure is followed by:
+ *
+ * the size information
+ */
+
+
+typedef struct {
+    BYTE    type;   /* X_Reply */
+    BYTE    setOfRotations;
+    CARD16  sequenceNumber B16;
+    CARD32  length B32;
+    Window  root B32;
+    Time    timestamp B32;
+    Time    configTimestamp B32;
+    CARD16  nSizes B16;
+    SizeID  sizeID B16;
+    Rotation  rotation B16;
+    CARD16  rate B16;
+    CARD16  nrateEnts B16;
+    CARD16  pad B16;
+} xRRGetScreenInfoReply;
+#define sz_xRRGetScreenInfoReply	32
+
+typedef struct {
+    CARD8    reqType;
+    CARD8    randrReqType;
+    CARD16   length B16;
+    Drawable drawable B32;
+    Time     timestamp B32;
+    Time     configTimestamp B32;
+    SizeID   sizeID B16;
+    Rotation rotation B16;
+} xRR1_0SetScreenConfigReq;
+#define sz_xRR1_0SetScreenConfigReq   20
+
+typedef struct {
+    CARD8    reqType;
+    CARD8    randrReqType;
+    CARD16   length B16;
+    Drawable drawable B32;
+    Time     timestamp B32;
+    Time     configTimestamp B32;
+    SizeID   sizeID B16;
+    Rotation rotation B16;
+    CARD16   rate B16;
+    CARD16   pad B16;
+} xRRSetScreenConfigReq;
+#define sz_xRRSetScreenConfigReq   24
+
+typedef struct {
+    BYTE    type;   /* X_Reply */
+    CARD8   status;
+    CARD16  sequenceNumber B16;
+    CARD32  length B32;
+    Time    newTimestamp B32;  
+    Time    newConfigTimestamp B32;
+    Window  root;
+    CARD16  subpixelOrder B16;
+    CARD16  pad4 B16;
+    CARD32  pad5 B32;
+    CARD32  pad6 B32;
+} xRRSetScreenConfigReply;
+#define sz_xRRSetScreenConfigReply 32
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   randrReqType;
+    CARD16  length B16;
+    Window  window B32;
+    CARD16  enable B16;
+    CARD16  pad2 B16;
+} xRRSelectInputReq;
+#define sz_xRRSelectInputReq   12
+
+/*
+ * Additions for version 1.2
+ */
+
+typedef struct _xRRModeInfo {
+    RRMode		id B32;
+    CARD16		width B16;
+    CARD16		height B16;
+    CARD32		dotClock B32;
+    CARD16		hSyncStart B16;
+    CARD16		hSyncEnd B16;
+    CARD16		hTotal B16;
+    CARD16		hSkew B16;
+    CARD16		vSyncStart B16;
+    CARD16		vSyncEnd B16;
+    CARD16		vTotal B16;
+    CARD16		nameLength B16;
+    RRModeFlags		modeFlags B32;
+} xRRModeInfo;
+#define sz_xRRModeInfo		    32
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   randrReqType;
+    CARD16  length B16;
+    Window  window B32;
+} xRRGetScreenSizeRangeReq;
+#define sz_xRRGetScreenSizeRangeReq 8
+
+typedef struct {
+    BYTE    type;   /* X_Reply */
+    CARD8   pad;
+    CARD16  sequenceNumber B16;
+    CARD32  length B32;
+    CARD16  minWidth B16;
+    CARD16  minHeight B16;
+    CARD16  maxWidth B16;
+    CARD16  maxHeight B16;
+    CARD32  pad0 B32;
+    CARD32  pad1 B32;
+    CARD32  pad2 B32;
+    CARD32  pad3 B32;
+} xRRGetScreenSizeRangeReply;
+#define sz_xRRGetScreenSizeRangeReply 32
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   randrReqType;
+    CARD16  length B16;
+    Window  window B32;
+    CARD16  width B16;
+    CARD16  height B16;
+    CARD32  widthInMillimeters B32;
+    CARD32  heightInMillimeters B32;
+} xRRSetScreenSizeReq;
+#define sz_xRRSetScreenSizeReq	    20
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   randrReqType;
+    CARD16  length B16;
+    Window  window B32;
+} xRRGetScreenResourcesReq;
+#define sz_xRRGetScreenResourcesReq 8
+
+typedef struct {
+    BYTE	type;
+    CARD8	pad;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    Time	timestamp B32;
+    Time	configTimestamp B32;
+    CARD16	nCrtcs B16;
+    CARD16	nOutputs B16;
+    CARD16	nModes B16;
+    CARD16	nbytesNames B16;
+    CARD32	pad1 B32;
+    CARD32	pad2 B32;
+} xRRGetScreenResourcesReply;
+#define sz_xRRGetScreenResourcesReply	32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    Time	configTimestamp B32;
+} xRRGetOutputInfoReq;
+#define sz_xRRGetOutputInfoReq		12
+
+typedef struct {
+    BYTE	type;
+    CARD8	status;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    Time	timestamp B32;
+    RRCrtc	crtc B32;
+    CARD32	mmWidth B32;
+    CARD32	mmHeight B32;
+    CARD8	connection;
+    CARD8	subpixelOrder;
+    CARD16	nCrtcs B16;
+    CARD16	nModes B16;
+    CARD16	nPreferred B16;
+    CARD16	nClones B16;
+    CARD16	nameLength B16;
+} xRRGetOutputInfoReply;
+#define sz_xRRGetOutputInfoReply	36
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+} xRRListOutputPropertiesReq; 
+#define sz_xRRListOutputPropertiesReq	8
+
+typedef struct {
+    BYTE	type;
+    CARD8	pad0;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    CARD16	nAtoms B16;
+    CARD16	pad1 B16;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+    CARD32	pad6 B32;
+} xRRListOutputPropertiesReply;
+#define sz_xRRListOutputPropertiesReply	32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    Atom	property B32;
+} xRRQueryOutputPropertyReq; 
+#define sz_xRRQueryOutputPropertyReq	12
+
+typedef struct {
+    BYTE	type;
+    BYTE	pad0;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    BOOL	pending;
+    BOOL	range;
+    BOOL	immutable;
+    BYTE	pad1;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+    CARD32	pad6 B32;
+} xRRQueryOutputPropertyReply;
+#define sz_xRRQueryOutputPropertyReply	32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    Atom	property B32;
+    BOOL	pending;
+    BOOL	range;
+    CARD16	pad B16;
+} xRRConfigureOutputPropertyReq; 
+#define sz_xRRConfigureOutputPropertyReq	16
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    Atom	property B32;
+    Atom	type B32;
+    CARD8	format;
+    CARD8	mode;
+    CARD16	pad;
+    CARD32	nUnits B32;
+} xRRChangeOutputPropertyReq;
+#define sz_xRRChangeOutputPropertyReq	24
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    Atom	property B32;
+} xRRDeleteOutputPropertyReq;
+#define sz_xRRDeleteOutputPropertyReq	12
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    Atom	property B32;
+    Atom	type B32;
+    CARD32	longOffset B32;
+    CARD32	longLength B32;
+#ifdef __cplusplus
+    BOOL	_delete;
+#else
+    BOOL	delete;
+#endif
+    BOOL	pending;
+    CARD16	pad1 B16;
+} xRRGetOutputPropertyReq;
+#define sz_xRRGetOutputPropertyReq	28
+
+typedef struct {
+    BYTE	type;
+    CARD8	format;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    Atom	propertyType B32;
+    CARD32	bytesAfter B32;
+    CARD32	nItems B32;
+    CARD32	pad1 B32;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+} xRRGetOutputPropertyReply;
+#define sz_xRRGetOutputPropertyReply	32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    Window	window B32;
+    xRRModeInfo	modeInfo;
+} xRRCreateModeReq; 
+#define sz_xRRCreateModeReq		40
+
+typedef struct {
+    BYTE	type;
+    CARD8	pad0;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    RRMode	mode B32;
+    CARD32	pad1 B32;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+} xRRCreateModeReply;
+#define sz_xRRCreateModeReply		32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RRMode	mode B32;
+} xRRDestroyModeReq;
+#define sz_xRRDestroyModeReq		8
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    RRMode	mode B32;
+} xRRAddOutputModeReq;
+#define sz_xRRAddOutputModeReq		12
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    RRMode	mode B32;
+} xRRDeleteOutputModeReq;
+#define sz_xRRDeleteOutputModeReq	12
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RRCrtc	crtc B32;
+    Time	configTimestamp B32;
+} xRRGetCrtcInfoReq; 
+#define sz_xRRGetCrtcInfoReq		12
+
+typedef struct {
+    BYTE	type;
+    CARD8	status;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    Time	timestamp B32;
+    INT16	x B16;
+    INT16	y B16;
+    CARD16	width B16;
+    CARD16	height B16;
+    RRMode	mode B32;
+    Rotation	rotation B16;
+    Rotation	rotations B16;
+    CARD16	nOutput B16;
+    CARD16	nPossibleOutput B16;
+} xRRGetCrtcInfoReply;
+#define sz_xRRGetCrtcInfoReply		32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RRCrtc	crtc B32;
+    Time	timestamp B32;
+    Time    	configTimestamp B32;
+    INT16	x B16;
+    INT16	y B16;
+    RRMode	mode B32;
+    Rotation	rotation B16;
+    CARD16	pad B16;
+} xRRSetCrtcConfigReq; 
+#define sz_xRRSetCrtcConfigReq		28
+
+typedef struct {
+    BYTE	type;
+    CARD8	status;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    Time	newTimestamp B32;
+    CARD32	pad1 B32;
+    CARD32	pad2 B16;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+} xRRSetCrtcConfigReply;
+#define sz_xRRSetCrtcConfigReply	32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RRCrtc	crtc B32;
+} xRRGetCrtcGammaSizeReq; 
+#define sz_xRRGetCrtcGammaSizeReq	8
+
+typedef struct {
+    BYTE	type;
+    CARD8	status;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    CARD16	size B16;
+    CARD16	pad1 B16;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+    CARD32	pad6 B32;
+} xRRGetCrtcGammaSizeReply;
+#define sz_xRRGetCrtcGammaSizeReply	32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RRCrtc	crtc B32;
+} xRRGetCrtcGammaReq; 
+#define sz_xRRGetCrtcGammaReq		8
+
+typedef struct {
+    BYTE	type;
+    CARD8	status;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    CARD16	size B16;
+    CARD16	pad1 B16;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+    CARD32	pad6 B32;
+} xRRGetCrtcGammaReply;
+#define sz_xRRGetCrtcGammaReply		32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RRCrtc	crtc B32;
+    CARD16	size B16;
+    CARD16	pad1 B16;
+} xRRSetCrtcGammaReq;
+#define sz_xRRSetCrtcGammaReq		12
+
+/*
+ * event
+ */
+typedef struct {
+    CARD8 type;				/* always evBase + ScreenChangeNotify */
+    CARD8 rotation;			/* new rotation */
+    CARD16 sequenceNumber B16;
+    Time timestamp B32;			/* time screen was changed */
+    Time configTimestamp B32;		/* time config data was changed */
+    Window root B32;			/* root window */
+    Window window B32;			/* window requesting notification */
+    SizeID sizeID B16;			/* new size ID */
+    CARD16 subpixelOrder B16;		/* subpixel order */
+    CARD16 widthInPixels B16;		/* new size */
+    CARD16 heightInPixels B16;
+    CARD16 widthInMillimeters B16;
+    CARD16 heightInMillimeters B16;
+} xRRScreenChangeNotifyEvent;
+#define sz_xRRScreenChangeNotifyEvent	32
+
+typedef struct {
+    CARD8 type;				/* always evBase + RRNotify */
+    CARD8 subCode;			/* RRNotify_CrtcChange */
+    CARD16 sequenceNumber B16;
+    Time timestamp B32;			/* time crtc was changed */
+    Window window B32;			/* window requesting notification */
+    RRCrtc crtc B32;			/* affected CRTC */
+    RRMode mode B32;			/* current mode */
+    CARD16 rotation B16;		/* rotation and reflection */
+    CARD16 pad1 B16;			/* unused */
+    INT16 x B16;			/* new location */
+    INT16 y B16;
+    CARD16 width B16;			/* new size */
+    CARD16 height B16;
+} xRRCrtcChangeNotifyEvent;
+#define sz_xRRCrtcChangeNotifyEvent	32
+
+typedef struct {
+    CARD8 type;				/* always evBase + RRNotify */
+    CARD8 subCode;			/* RRNotify_OutputChange */
+    CARD16 sequenceNumber B16;
+    Time timestamp B32;			/* time crtc was changed */
+    Time configTimestamp B32;		/* time crtc was changed */
+    Window window B32;			/* window requesting notification */
+    RROutput output B32;		/* affected output */
+    RRCrtc crtc B32;			/* current crtc */
+    RRMode mode B32;			/* current mode */
+    CARD16 rotation B16;		/* rotation and reflection */
+    CARD8 connection;			/* connection status */
+    CARD8 subpixelOrder;		/* subpixel order */
+} xRROutputChangeNotifyEvent;
+#define sz_xRROutputChangeNotifyEvent	32
+
+typedef struct {
+    CARD8 type;				/* always evBase + RRNotify */
+    CARD8 subCode;			/* RRNotify_OutputProperty */
+    CARD16 sequenceNumber B16;
+    Window window B32;			/* window requesting notification */
+    RROutput output B32;		/* affected output */
+    Atom atom B32;			/* property name */
+    Time timestamp B32;			/* time crtc was changed */
+    CARD8 state;			/* NewValue or Deleted */
+    CARD8 pad1;
+    CARD16 pad2 B16;
+    CARD32 pad3 B32;
+    CARD32 pad4 B32;
+} xRROutputPropertyNotifyEvent;
+#define sz_xRROutputPropertyNotifyEvent	32
+
+#undef RRModeFlags
+#undef RRCrtc
+#undef RRMode
+#undef RROutput
+#undef RRMode
+#undef RRCrtc
+#undef Drawable
+#undef Window
+#undef Font
+#undef Pixmap
+#undef Cursor
+#undef Colormap
+#undef GContext
+#undef Atom
+#undef Time
+#undef KeyCode
+#undef KeySym
+#undef Rotation
+#undef SizeID
+#undef SubpixelOrder
+
+#endif /* _XRANDRP_H_ */

nx-X11/programs/Xserver/randr/randrproto.h.NX.original

+/*
+ * Copyright © 2000 Compaq Computer Corporation
+ * Copyright © 2002 Hewlett-Packard Company
+ * Copyright © 2006 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ *
+ * Author:  Jim Gettys, Hewlett-Packard Company, Inc.
+ *	    Keith Packard, Intel Corporation
+ */
+
+/* note that RANDR 1.0 is incompatible with version 0.0, or 0.1 */
+/* V1.0 removes depth switching from the protocol */
+#ifndef _XRANDRP_H_
+#define _XRANDRP_H_
+
+/*#include <X11/extensions/randr.h>*/
+#include "randr.h"
+
+#define Window CARD32
+#define Drawable CARD32
+#define Font CARD32
+#define Pixmap CARD32
+#define Cursor CARD32
+#define Colormap CARD32
+#define GContext CARD32
+#define Atom CARD32
+#define Time CARD32
+#define KeyCode CARD8
+#define KeySym CARD32
+#define RROutput CARD32
+#define RRMode CARD32
+#define RRCrtc CARD32
+#define RRModeFlags CARD32
+
+#define Rotation CARD16
+#define SizeID CARD16
+#define SubpixelOrder CARD16
+
+/*
+ * data structures
+ */
+
+typedef struct {
+    CARD16 widthInPixels B16;
+    CARD16 heightInPixels B16;
+    CARD16 widthInMillimeters B16;
+    CARD16 heightInMillimeters B16;
+} xScreenSizes;
+#define sz_xScreenSizes 8
+
+/* 
+ * requests and replies
+ */
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   randrReqType;
+    CARD16  length B16;
+    CARD32  majorVersion B32;
+    CARD32  minorVersion B32;
+} xRRQueryVersionReq;
+#define sz_xRRQueryVersionReq   12
+
+typedef struct {
+    BYTE    type;   /* X_Reply */
+    BYTE    pad1;
+    CARD16  sequenceNumber B16;
+    CARD32  length B32;
+    CARD32  majorVersion B32;
+    CARD32  minorVersion B32;
+    CARD32  pad2 B32;
+    CARD32  pad3 B32;
+    CARD32  pad4 B32;
+    CARD32  pad5 B32;
+} xRRQueryVersionReply;
+#define sz_xRRQueryVersionReply	32
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   randrReqType;
+    CARD16  length B16;
+    Window  window B32;
+} xRRGetScreenInfoReq;
+#define sz_xRRGetScreenInfoReq   8
+
+/* 
+ * the xRRScreenInfoReply structure is followed by:
+ *
+ * the size information
+ */
+
+
+typedef struct {
+    BYTE    type;   /* X_Reply */
+    BYTE    setOfRotations;
+    CARD16  sequenceNumber B16;
+    CARD32  length B32;
+    Window  root B32;
+    Time    timestamp B32;
+    Time    configTimestamp B32;
+    CARD16  nSizes B16;
+    SizeID  sizeID B16;
+    Rotation  rotation B16;
+    CARD16  rate B16;
+    CARD16  nrateEnts B16;
+    CARD16  pad B16;
+} xRRGetScreenInfoReply;
+#define sz_xRRGetScreenInfoReply	32
+
+typedef struct {
+    CARD8    reqType;
+    CARD8    randrReqType;
+    CARD16   length B16;
+    Drawable drawable B32;
+    Time     timestamp B32;
+    Time     configTimestamp B32;
+    SizeID   sizeID B16;
+    Rotation rotation B16;
+} xRR1_0SetScreenConfigReq;
+#define sz_xRR1_0SetScreenConfigReq   20
+
+typedef struct {
+    CARD8    reqType;
+    CARD8    randrReqType;
+    CARD16   length B16;
+    Drawable drawable B32;
+    Time     timestamp B32;
+    Time     configTimestamp B32;
+    SizeID   sizeID B16;
+    Rotation rotation B16;
+    CARD16   rate B16;
+    CARD16   pad B16;
+} xRRSetScreenConfigReq;
+#define sz_xRRSetScreenConfigReq   24
+
+typedef struct {
+    BYTE    type;   /* X_Reply */
+    CARD8   status;
+    CARD16  sequenceNumber B16;
+    CARD32  length B32;
+    Time    newTimestamp B32;  
+    Time    newConfigTimestamp B32;
+    Window  root;
+    CARD16  subpixelOrder B16;
+    CARD16  pad4 B16;
+    CARD32  pad5 B32;
+    CARD32  pad6 B32;
+} xRRSetScreenConfigReply;
+#define sz_xRRSetScreenConfigReply 32
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   randrReqType;
+    CARD16  length B16;
+    Window  window B32;
+    CARD16  enable B16;
+    CARD16  pad2 B16;
+} xRRSelectInputReq;
+#define sz_xRRSelectInputReq   12
+
+/*
+ * Additions for version 1.2
+ */
+
+typedef struct _xRRModeInfo {
+    RRMode		id B32;
+    CARD16		width B16;
+    CARD16		height B16;
+    CARD32		dotClock B32;
+    CARD16		hSyncStart B16;
+    CARD16		hSyncEnd B16;
+    CARD16		hTotal B16;
+    CARD16		hSkew B16;
+    CARD16		vSyncStart B16;
+    CARD16		vSyncEnd B16;
+    CARD16		vTotal B16;
+    CARD16		nameLength B16;
+    RRModeFlags		modeFlags B32;
+} xRRModeInfo;
+#define sz_xRRModeInfo		    32
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   randrReqType;
+    CARD16  length B16;
+    Window  window B32;
+} xRRGetScreenSizeRangeReq;
+#define sz_xRRGetScreenSizeRangeReq 8
+
+typedef struct {
+    BYTE    type;   /* X_Reply */
+    CARD8   pad;
+    CARD16  sequenceNumber B16;
+    CARD32  length B32;
+    CARD16  minWidth B16;
+    CARD16  minHeight B16;
+    CARD16  maxWidth B16;
+    CARD16  maxHeight B16;
+    CARD32  pad0 B32;
+    CARD32  pad1 B32;
+    CARD32  pad2 B32;
+    CARD32  pad3 B32;
+} xRRGetScreenSizeRangeReply;
+#define sz_xRRGetScreenSizeRangeReply 32
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   randrReqType;
+    CARD16  length B16;
+    Window  window B32;
+    CARD16  width B16;
+    CARD16  height B16;
+    CARD32  widthInMillimeters B32;
+    CARD32  heightInMillimeters B32;
+} xRRSetScreenSizeReq;
+#define sz_xRRSetScreenSizeReq	    20
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   randrReqType;
+    CARD16  length B16;
+    Window  window B32;
+} xRRGetScreenResourcesReq;
+#define sz_xRRGetScreenResourcesReq 8
+
+typedef struct {
+    BYTE	type;
+    CARD8	pad;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    Time	timestamp B32;
+    Time	configTimestamp B32;
+    CARD16	nCrtcs B16;
+    CARD16	nOutputs B16;
+    CARD16	nModes B16;
+    CARD16	nbytesNames B16;
+    CARD32	pad1 B32;
+    CARD32	pad2 B32;
+} xRRGetScreenResourcesReply;
+#define sz_xRRGetScreenResourcesReply	32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    Time	configTimestamp B32;
+} xRRGetOutputInfoReq;
+#define sz_xRRGetOutputInfoReq		12
+
+typedef struct {
+    BYTE	type;
+    CARD8	status;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    Time	timestamp B32;
+    RRCrtc	crtc B32;
+    CARD32	mmWidth B32;
+    CARD32	mmHeight B32;
+    CARD8	connection;
+    CARD8	subpixelOrder;
+    CARD16	nCrtcs B16;
+    CARD16	nModes B16;
+    CARD16	nPreferred B16;
+    CARD16	nClones B16;
+    CARD16	nameLength B16;
+} xRRGetOutputInfoReply;
+#define sz_xRRGetOutputInfoReply	36
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+} xRRListOutputPropertiesReq; 
+#define sz_xRRListOutputPropertiesReq	8
+
+typedef struct {
+    BYTE	type;
+    CARD8	pad0;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    CARD16	nAtoms B16;
+    CARD16	pad1 B16;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+    CARD32	pad6 B32;
+} xRRListOutputPropertiesReply;
+#define sz_xRRListOutputPropertiesReply	32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    Atom	property B32;
+} xRRQueryOutputPropertyReq; 
+#define sz_xRRQueryOutputPropertyReq	12
+
+typedef struct {
+    BYTE	type;
+    BYTE	pad0;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    BOOL	pending;
+    BOOL	range;
+    BOOL	immutable;
+    BYTE	pad1;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+    CARD32	pad6 B32;
+} xRRQueryOutputPropertyReply;
+#define sz_xRRQueryOutputPropertyReply	32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    Atom	property B32;
+    BOOL	pending;
+    BOOL	range;
+    CARD16	pad B16;
+} xRRConfigureOutputPropertyReq; 
+#define sz_xRRConfigureOutputPropertyReq	16
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    Atom	property B32;
+    Atom	type B32;
+    CARD8	format;
+    CARD8	mode;
+    CARD16	pad;
+    CARD32	nUnits B32;
+} xRRChangeOutputPropertyReq;
+#define sz_xRRChangeOutputPropertyReq	24
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    Atom	property B32;
+} xRRDeleteOutputPropertyReq;
+#define sz_xRRDeleteOutputPropertyReq	12
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    Atom	property B32;
+    Atom	type B32;
+    CARD32	longOffset B32;
+    CARD32	longLength B32;
+#ifdef __cplusplus
+    BOOL	_delete;
+#else
+    BOOL	delete;
+#endif
+    BOOL	pending;
+    CARD16	pad1 B16;
+} xRRGetOutputPropertyReq;
+#define sz_xRRGetOutputPropertyReq	28
+
+typedef struct {
+    BYTE	type;
+    CARD8	format;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    Atom	propertyType B32;
+    CARD32	bytesAfter B32;
+    CARD32	nItems B32;
+    CARD32	pad1 B32;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+} xRRGetOutputPropertyReply;
+#define sz_xRRGetOutputPropertyReply	32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    Window	window B32;
+    xRRModeInfo	modeInfo;
+} xRRCreateModeReq; 
+#define sz_xRRCreateModeReq		40
+
+typedef struct {
+    BYTE	type;
+    CARD8	pad0;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    RRMode	mode B32;
+    CARD32	pad1 B32;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+} xRRCreateModeReply;
+#define sz_xRRCreateModeReply		32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RRMode	mode B32;
+} xRRDestroyModeReq;
+#define sz_xRRDestroyModeReq		8
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    RRMode	mode B32;
+} xRRAddOutputModeReq;
+#define sz_xRRAddOutputModeReq		12
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RROutput	output B32;
+    RRMode	mode B32;
+} xRRDeleteOutputModeReq;
+#define sz_xRRDeleteOutputModeReq	12
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RRCrtc	crtc B32;
+    Time	configTimestamp B32;
+} xRRGetCrtcInfoReq; 
+#define sz_xRRGetCrtcInfoReq		12
+
+typedef struct {
+    BYTE	type;
+    CARD8	status;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    Time	timestamp B32;
+    INT16	x B16;
+    INT16	y B16;
+    CARD16	width B16;
+    CARD16	height B16;
+    RRMode	mode B32;
+    Rotation	rotation B16;
+    Rotation	rotations B16;
+    CARD16	nOutput B16;
+    CARD16	nPossibleOutput B16;
+} xRRGetCrtcInfoReply;
+#define sz_xRRGetCrtcInfoReply		32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RRCrtc	crtc B32;
+    Time	timestamp B32;
+    Time    	configTimestamp B32;
+    INT16	x B16;
+    INT16	y B16;
+    RRMode	mode B32;
+    Rotation	rotation B16;
+    CARD16	pad B16;
+} xRRSetCrtcConfigReq; 
+#define sz_xRRSetCrtcConfigReq		28
+
+typedef struct {
+    BYTE	type;
+    CARD8	status;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    Time	newTimestamp B32;
+    CARD32	pad1 B32;
+    CARD32	pad2 B16;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+} xRRSetCrtcConfigReply;
+#define sz_xRRSetCrtcConfigReply	32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RRCrtc	crtc B32;
+} xRRGetCrtcGammaSizeReq; 
+#define sz_xRRGetCrtcGammaSizeReq	8
+
+typedef struct {
+    BYTE	type;
+    CARD8	status;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    CARD16	size B16;
+    CARD16	pad1 B16;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+    CARD32	pad6 B32;
+} xRRGetCrtcGammaSizeReply;
+#define sz_xRRGetCrtcGammaSizeReply	32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RRCrtc	crtc B32;
+} xRRGetCrtcGammaReq; 
+#define sz_xRRGetCrtcGammaReq		8
+
+typedef struct {
+    BYTE	type;
+    CARD8	status;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    CARD16	size B16;
+    CARD16	pad1 B16;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+    CARD32	pad6 B32;
+} xRRGetCrtcGammaReply;
+#define sz_xRRGetCrtcGammaReply		32
+
+typedef struct {
+    CARD8	reqType;
+    CARD8	randrReqType;
+    CARD16	length B16;
+    RRCrtc	crtc B32;
+    CARD16	size B16;
+    CARD16	pad1 B16;
+} xRRSetCrtcGammaReq;
+#define sz_xRRSetCrtcGammaReq		12
+
+/*
+ * event
+ */
+typedef struct {
+    CARD8 type;				/* always evBase + ScreenChangeNotify */
+    CARD8 rotation;			/* new rotation */
+    CARD16 sequenceNumber B16;
+    Time timestamp B32;			/* time screen was changed */
+    Time configTimestamp B32;		/* time config data was changed */
+    Window root B32;			/* root window */
+    Window window B32;			/* window requesting notification */
+    SizeID sizeID B16;			/* new size ID */
+    CARD16 subpixelOrder B16;		/* subpixel order */
+    CARD16 widthInPixels B16;		/* new size */
+    CARD16 heightInPixels B16;
+    CARD16 widthInMillimeters B16;
+    CARD16 heightInMillimeters B16;
+} xRRScreenChangeNotifyEvent;
+#define sz_xRRScreenChangeNotifyEvent	32
+
+typedef struct {
+    CARD8 type;				/* always evBase + RRNotify */
+    CARD8 subCode;			/* RRNotify_CrtcChange */
+    CARD16 sequenceNumber B16;
+    Time timestamp B32;			/* time crtc was changed */
+    Window window B32;			/* window requesting notification */
+    RRCrtc crtc B32;			/* affected CRTC */
+    RRMode mode B32;			/* current mode */
+    CARD16 rotation B16;		/* rotation and reflection */
+    CARD16 pad1 B16;			/* unused */
+    INT16 x B16;			/* new location */
+    INT16 y B16;
+    CARD16 width B16;			/* new size */
+    CARD16 height B16;
+} xRRCrtcChangeNotifyEvent;
+#define sz_xRRCrtcChangeNotifyEvent	32
+
+typedef struct {
+    CARD8 type;				/* always evBase + RRNotify */
+    CARD8 subCode;			/* RRNotify_OutputChange */
+    CARD16 sequenceNumber B16;
+    Time timestamp B32;			/* time crtc was changed */
+    Time configTimestamp B32;		/* time crtc was changed */
+    Window window B32;			/* window requesting notification */
+    RROutput output B32;		/* affected output */
+    RRCrtc crtc B32;			/* current crtc */
+    RRMode mode B32;			/* current mode */
+    CARD16 rotation B16;		/* rotation and reflection */
+    CARD8 connection;			/* connection status */
+    CARD8 subpixelOrder;		/* subpixel order */
+} xRROutputChangeNotifyEvent;
+#define sz_xRROutputChangeNotifyEvent	32
+
+typedef struct {
+    CARD8 type;				/* always evBase + RRNotify */
+    CARD8 subCode;			/* RRNotify_OutputProperty */
+    CARD16 sequenceNumber B16;
+    Window window B32;			/* window requesting notification */
+    RROutput output B32;		/* affected output */
+    Atom atom B32;			/* property name */
+    Time timestamp B32;			/* time crtc was changed */
+    CARD8 state;			/* NewValue or Deleted */
+    CARD8 pad1;
+    CARD16 pad2 B16;
+    CARD32 pad3 B32;
+    CARD32 pad4 B32;
+} xRROutputPropertyNotifyEvent;
+#define sz_xRROutputPropertyNotifyEvent	32
+
+#undef RRModeFlags
+#undef RRCrtc
+#undef RRMode
+#undef RROutput
+#undef RRMode
+#undef RRCrtc
+#undef Drawable
+#undef Window
+#undef Font
+#undef Pixmap
+#undef Cursor
+#undef Colormap
+#undef GContext
+#undef Atom
+#undef Time
+#undef KeyCode
+#undef KeySym
+#undef Rotation
+#undef SizeID
+#undef SubpixelOrder
+
+#endif /* _XRANDRP_H_ */

nx-X11/programs/Xserver/randr/randrstr.h

 /*
- * $XFree86: xc/programs/Xserver/randr/randrstr.h,v 1.5 2002/09/29 23:39:45 keithp Exp $
- *
  * Copyright © 2000 Compaq Computer Corporation
+ * Copyright © 2002 Hewlett-Packard Company
+ * Copyright © 2006 Intel Corporation
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
  * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Compaq not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  Compaq makes no
- * representations about the suitability of this software for any purpose.  It
- * is provided "as is" without express or implied warranty.
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
  *
- * COMPAQ DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL COMPAQ BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ *
+ * Author:  Jim Gettys, Hewlett-Packard Company, Inc.
+ *	    Keith Packard, Intel Corporation
  */
 
 #ifdef HAVE_DIX_CONFIG_H
@@ -29,68 +32,456 @@
 #ifndef _RANDRSTR_H_
 #define _RANDRSTR_H_
 
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "os.h"
+#include "dixstruct.h"
+#include "resource.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include "pixmapstr.h"
+#include "extnsionst.h"
+#include "servermd.h"
+#ifndef NXAGENT_SERVER
 #include <X11/extensions/randr.h>
+#include <X11/extensions/randrproto.h>
+#else
+#include "randr.h"
+#include "randrproto.h"
+#endif
+#ifdef RENDER
+#include <X11/extensions/render.h> 	/* we share subpixel order information */
+#include "picturestr.h"
+#endif
+#include <X11/Xfuncproto.h>
 
-typedef struct _rrScreenRate {
-    int		    rate;
-    Bool	    referenced;
-    Bool	    oldReferenced;
+/* required for ABI compatibility for now */
+#define RANDR_10_INTERFACE 1
+#define RANDR_12_INTERFACE 1
+
+typedef XID	RRMode;
+typedef XID	RROutput;
+typedef XID	RRCrtc;
+
+extern int	RREventBase, RRErrorBase;
+
+extern int (*ProcRandrVector[RRNumberRequests])(ClientPtr);
+extern int (*SProcRandrVector[RRNumberRequests])(ClientPtr);
+    
+/*
+ * Modeline for a monitor. Name follows directly after this struct
+ */
+
+#define RRModeName(pMode) ((char *) (pMode + 1))
+typedef struct _rrMode		RRModeRec, *RRModePtr;
+typedef struct _rrPropertyValue	RRPropertyValueRec, *RRPropertyValuePtr;
+typedef struct _rrProperty	RRPropertyRec, *RRPropertyPtr;
+typedef struct _rrCrtc		RRCrtcRec, *RRCrtcPtr;
+typedef struct _rrOutput	RROutputRec, *RROutputPtr;
+
+struct _rrMode {
+    int		    refcnt;
+    xRRModeInfo	    mode;
+    char	    *name;
+    ScreenPtr	    userScreen;
+};
+
+struct _rrPropertyValue {
+    Atom	    type;       /* ignored by server */
+    short	    format;     /* format of data for swapping - 8,16,32 */
+    long	    size;	/* size of data in (format/8) bytes */
+    pointer         data;	/* private to client */
+};
+
+struct _rrProperty {
+    RRPropertyPtr   next;
+    ATOM 	    propertyName;
+    Bool	    is_pending;
+    Bool	    range;
+    Bool	    immutable;
+    int		    num_valid;
+    INT32	    *valid_values;
+    RRPropertyValueRec	current, pending;
+};
+
+struct _rrCrtc {
+    RRCrtc	    id;
+    ScreenPtr	    pScreen;
+    RRModePtr	    mode;
+    int		    x, y;
+    Rotation	    rotation;
+    Rotation	    rotations;
+    Bool	    changed;
+    int		    numOutputs;
+    RROutputPtr	    *outputs;
+    int		    gammaSize;
+    CARD16	    *gammaRed;
+    CARD16	    *gammaBlue;
+    CARD16	    *gammaGreen;
+    void	    *devPrivate;
+};
+
+struct _rrOutput {
+    RROutput	    id;
+    ScreenPtr	    pScreen;
+    char	    *name;
+    int		    nameLength;
+    CARD8	    connection;
+    CARD8	    subpixelOrder;
+    int		    mmWidth;
+    int		    mmHeight;
+    RRCrtcPtr	    crtc;
+    int		    numCrtcs;
+    RRCrtcPtr	    *crtcs;
+    int		    numClones;
+    RROutputPtr	    *clones;
+    int		    numModes;
+    int		    numPreferred;
+    RRModePtr	    *modes;
+    int		    numUserModes;
+    RRModePtr	    *userModes;
+    Bool	    changed;
+    RRPropertyPtr   properties;
+    Bool	    pendingProperties;
+    void	    *devPrivate;
+};
+
+#if RANDR_12_INTERFACE
+typedef Bool (*RRScreenSetSizeProcPtr) (ScreenPtr	pScreen,
+					CARD16		width,
+					CARD16		height,
+					CARD32		mmWidth,
+					CARD32		mmHeight);
+					
+typedef Bool (*RRCrtcSetProcPtr) (ScreenPtr		pScreen,
+				  RRCrtcPtr		crtc,
+				  RRModePtr		mode,
+				  int			x,
+				  int			y,
+				  Rotation		rotation,
+				  int			numOutputs,
+				  RROutputPtr		*outputs);
+
+typedef Bool (*RRCrtcSetGammaProcPtr) (ScreenPtr	pScreen,
+				       RRCrtcPtr	crtc);
+
+typedef Bool (*RROutputSetPropertyProcPtr) (ScreenPtr		pScreen,
+					    RROutputPtr		output,
+					    Atom		property,
+					    RRPropertyValuePtr	value);
+
+typedef Bool (*RROutputValidateModeProcPtr) (ScreenPtr		pScreen,
+					     RROutputPtr	output,
+					     RRModePtr		mode);
+
+typedef void (*RRModeDestroyProcPtr) (ScreenPtr	    pScreen,
+				      RRModePtr	    mode);
+
+#endif
+
+typedef Bool (*RRGetInfoProcPtr) (ScreenPtr pScreen, Rotation *rotations);
+typedef Bool (*RRCloseScreenProcPtr) ( int i, ScreenPtr pscreen);
+
+/* These are for 1.0 compatibility */
+ 
+typedef struct _rrRefresh {
+    CARD16	    rate;
+    RRModePtr	    mode;
 } RRScreenRate, *RRScreenRatePtr;
 
 typedef struct _rrScreenSize {
     int		    id;
     short	    width, height;
     short	    mmWidth, mmHeight;
-    RRScreenRatePtr pRates;
     int		    nRates;
-    int		    nRatesInUse;
-    Bool	    referenced;
-    Bool	    oldReferenced;
+    RRScreenRatePtr pRates;
 } RRScreenSize, *RRScreenSizePtr;
 
+#ifdef RANDR_10_INTERFACE
+
 typedef Bool (*RRSetConfigProcPtr) (ScreenPtr		pScreen,
 				    Rotation		rotation,
 				    int			rate,
 				    RRScreenSizePtr	pSize);
 
-typedef Bool (*RRGetInfoProcPtr) (ScreenPtr pScreen, Rotation *rotations);
-typedef Bool (*RRCloseScreenProcPtr) ( int i, ScreenPtr pscreen);
+#endif
+	
 
 typedef struct _rrScrPriv {
+    /*
+     * 'public' part of the structure; DDXen fill this in
+     * as they initialize
+     */
+#if RANDR_10_INTERFACE
     RRSetConfigProcPtr	    rrSetConfig;
+#endif
     RRGetInfoProcPtr	    rrGetInfo;
+#if RANDR_12_INTERFACE
+    RRScreenSetSizeProcPtr  rrScreenSetSize;
+    RRCrtcSetProcPtr	    rrCrtcSet;
+    RRCrtcSetGammaProcPtr   rrCrtcSetGamma;
+    RROutputSetPropertyProcPtr	rrOutputSetProperty;
+    RROutputValidateModeProcPtr	rrOutputValidateMode;
+    RRModeDestroyProcPtr	rrModeDestroy;
+#endif
     
+    /*
+     * Private part of the structure; not considered part of the ABI
+     */
     TimeStamp		    lastSetTime;	/* last changed by client */
     TimeStamp		    lastConfigTime;	/* possible configs changed */
     RRCloseScreenProcPtr    CloseScreen;
 
+    Bool		    changed;		/* some config changed */
+    Bool		    configChanged;	/* configuration changed */
+    Bool		    layoutChanged;	/* screen layout changed */
+
+    CARD16		    minWidth, minHeight;
+    CARD16		    maxWidth, maxHeight;
+    CARD16		    width, height;	/* last known screen size */
+    CARD16		    mmWidth, mmHeight;	/* last known screen size */
+
+    int			    numOutputs;
+    RROutputPtr		    *outputs;
+
+    int			    numCrtcs;
+    RRCrtcPtr		    *crtcs;
+
+    /* Last known pointer position */
+    RRCrtcPtr		    pointerCrtc;
+
+#ifdef RANDR_10_INTERFACE
     /*
      * Configuration information
      */
     Rotation		    rotations;
+    CARD16		    reqWidth, reqHeight;
     
     int			    nSizes;
-    int			    nSizesInUse;
     RRScreenSizePtr	    pSizes;
     
-    /*
-     * Current state
-     */
     Rotation		    rotation;
-    int			    size;
     int			    rate;
+    int			    size;
+#endif
 } rrScrPrivRec, *rrScrPrivPtr;
 
+#ifndef NXAGENT_SERVER
+extern DevPrivateKey rrPrivKey;
+#else
 extern int rrPrivIndex;
+#endif
+
+#ifndef NXAGENT_SERVER
+
+#define rrGetScrPriv(pScr)  ((rrScrPrivPtr)dixLookupPrivate(&(pScr)->devPrivates, rrPrivKey))
+#define rrScrPriv(pScr)	rrScrPrivPtr    pScrPriv = rrGetScrPriv(pScr)
+#define SetRRScreen(s,p) dixSetPrivate(&(s)->devPrivates, rrPrivKey, p)
+
+#else
 
 #define rrGetScrPriv(pScr)  ((rrScrPrivPtr) (pScr)->devPrivates[rrPrivIndex].ptr)
 #define rrScrPriv(pScr)	rrScrPrivPtr    pScrPriv = rrGetScrPriv(pScr)
 #define SetRRScreen(s,p) ((s)->devPrivates[rrPrivIndex].ptr = (pointer) (p))
 
+#endif
+
+/*
+ * each window has a list of clients requesting
+ * RRNotify events.  Each client has a resource
+ * for each window it selects RRNotify input for,
+ * this resource is used to delete the RRNotifyRec
+ * entry from the per-window queue.
+ */
+
+typedef struct _RREvent *RREventPtr;
+
+typedef struct _RREvent {
+    RREventPtr  next;
+    ClientPtr	client;
+    WindowPtr	window;
+    XID		clientResource;
+    int		mask;
+} RREventRec;
+
+typedef struct _RRTimes {
+    TimeStamp	setTime;
+    TimeStamp	configTime;
+} RRTimesRec, *RRTimesPtr;
+
+typedef struct _RRClient {
+    int		major_version;
+    int		minor_version;
+/*  RRTimesRec	times[0]; */
+} RRClientRec, *RRClientPtr;
+
+extern RESTYPE	RRClientType, RREventType; /* resource types for event masks */
+#ifndef NXAGENT_SERVER
+extern DevPrivateKey RRClientPrivateKey;
+#else
+extern int	RRClientPrivateIndex;
+#endif
+extern RESTYPE	RRCrtcType, RRModeType, RROutputType;
+
+#define LookupOutput(client,id,a) ((RROutputPtr) \
+				   (SecurityLookupIDByType (client, id, \
+							    RROutputType, a)))
+#define LookupCrtc(client,id,a) ((RRCrtcPtr) \
+				 (SecurityLookupIDByType (client, id, \
+							  RRCrtcType, a)))
+#define LookupMode(client,id,a) ((RRModePtr) \
+				 (SecurityLookupIDByType (client, id, \
+							  RRModeType, a)))
+#ifndef NXAGENT_SERVER
+
+#define GetRRClient(pClient)    ((RRClientPtr)dixLookupPrivate(&(pClient)->devPrivates, RRClientPrivateKey))
+#define rrClientPriv(pClient)	RRClientPtr pRRClient = GetRRClient(pClient)
+
+#else
+
+#define GetRRClient(pClient)    ((RRClientPtr) (pClient)->devPrivates[RRClientPrivateIndex].ptr)
+#define rrClientPriv(pClient)	RRClientPtr pRRClient = GetRRClient(pClient)
+
+#define DixUnknownAccess     SecurityUnknownAccess
+#define DixReadAccess        SecurityReadAccess   
+#define DixWriteAccess       SecurityWriteAccess  
+#define DixDestroyAccess     SecurityDestroyAccess
+
+#endif
+
 /* Initialize the extension */
 void
 RRExtensionInit (void);
 
+#ifdef RANDR_12_INTERFACE
+/*
+ * Set the range of sizes for the screen
+ */
+void
+RRScreenSetSizeRange (ScreenPtr	pScreen,
+		      CARD16	minWidth,
+		      CARD16	minHeight,
+		      CARD16	maxWidth,
+		      CARD16	maxHeight);
+#endif
+
+/* rrscreen.c */
+/*
+ * Notify the extension that the screen size has been changed.
+ * The driver is responsible for calling this whenever it has changed
+ * the size of the screen
+ */
+void
+RRScreenSizeNotify (ScreenPtr	pScreen);
+
+/*
+ * Request that the screen be resized
+ */
+Bool
+RRScreenSizeSet (ScreenPtr  pScreen,
+		 CARD16	    width,
+		 CARD16	    height,
+		 CARD32	    mmWidth,
+		 CARD32	    mmHeight);
+
+/*
+ * Send ConfigureNotify event to root window when 'something' happens
+ */
+void
+RRSendConfigNotify (ScreenPtr pScreen);
+    
+/*
+ * screen dispatch
+ */
+int 
+ProcRRGetScreenSizeRange (ClientPtr client);
+
+int
+ProcRRSetScreenSize (ClientPtr client);
+
+int
+ProcRRGetScreenResources (ClientPtr client);
+
+int
+ProcRRSetScreenConfig (ClientPtr client);
+
+int
+ProcRRGetScreenInfo (ClientPtr client);
+
+/*
+ * Deliver a ScreenNotify event
+ */
+void
+RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen);
+    
+/* mirandr.c */
+Bool
+miRandRInit (ScreenPtr pScreen);
+
+Bool
+miRRGetInfo (ScreenPtr pScreen, Rotation *rotations);
+
+Bool
+miRRGetScreenInfo (ScreenPtr pScreen);
+
+Bool
+miRRCrtcSet (ScreenPtr	pScreen,
+	     RRCrtcPtr	crtc,
+	     RRModePtr	mode,
+	     int	x,
+	     int	y,
+	     Rotation	rotation,
+	     int	numOutput,
+	     RROutputPtr *outputs);
+
+Bool
+miRROutputSetProperty (ScreenPtr	    pScreen,
+		       RROutputPtr	    output,
+		       Atom		    property,
+		       RRPropertyValuePtr   value);
+
+Bool
+miRROutputValidateMode (ScreenPtr	    pScreen,
+			RROutputPtr	    output,
+			RRModePtr	    mode);
+
+void
+miRRModeDestroy (ScreenPtr  pScreen,
+		 RRModePtr  mode);
+
+/* randr.c */
+/*
+ * Send all pending events
+ */
+void
+RRTellChanged (ScreenPtr pScreen);
+
+/*
+ * Poll the driver for changed information
+ */
+Bool
+RRGetInfo (ScreenPtr pScreen);
+
+Bool RRInit (void);
+
+Bool RRScreenInit(ScreenPtr pScreen);
+
+RROutputPtr
+RRFirstOutput (ScreenPtr pScreen);
+
+Rotation
+RRGetRotation (ScreenPtr pScreen);
+
+CARD16
+RRVerticalRefresh (xRRModeInfo *mode);
+
+#ifdef RANDR_10_INTERFACE					
+/*
+ * This is the old interface, deprecated but left
+ * around for compatibility
+ */
+
 /*
  * Then, register the specific size with the screen
  */
@@ -116,7 +507,10 @@ RRSetCurrentConfig (ScreenPtr		pScreen,
 		    int			rate,
 		    RRScreenSizePtr	pSize);
 
-Bool RRScreenInit(ScreenPtr pScreen);
+Bool RRScreenInit (ScreenPtr pScreen);
+
+Rotation
+RRGetRotation (ScreenPtr pScreen);
 
 int
 RRSetScreenConfig (ScreenPtr		pScreen,
@@ -124,19 +518,371 @@ RRSetScreenConfig (ScreenPtr		pScreen,
 		   int			rate,
 		   RRScreenSizePtr	pSize);
 
-Bool
-miRandRInit (ScreenPtr pScreen);
+#endif					
+
+/* rrcrtc.c */
 
+/*
+ * Notify the CRTC of some change; layoutChanged indicates that
+ * some position or size element changed
+ */
+void
+RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged);
+
+/*
+ * Create a CRTC
+ */
+RRCrtcPtr
+RRCrtcCreate (ScreenPtr pScreen, void	*devPrivate);
+
+/*
+ * Set the allowed rotations on a CRTC
+ */
+void
+RRCrtcSetRotations (RRCrtcPtr crtc, Rotation rotations);
+
+/*
+ * Notify the extension that the Crtc has been reconfigured,
+ * the driver calls this whenever it has updated the mode
+ */
 Bool
-miRRGetInfo (ScreenPtr pScreen, Rotation *rotations);
+RRCrtcNotify (RRCrtcPtr	    crtc,
+	      RRModePtr	    mode,
+	      int	    x,
+	      int	    y,
+	      Rotation	    rotation,
+	      int	    numOutputs,
+	      RROutputPtr   *outputs);
 
+void
+RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc);
+    
+/*
+ * Request that the Crtc be reconfigured
+ */
 Bool
-miRRSetConfig (ScreenPtr	pScreen,
+RRCrtcSet (RRCrtcPtr    crtc,
+	   RRModePtr	mode,
+	   int		x,
+	   int		y,
 	   Rotation	rotation,
-	       int		rate,
-	       RRScreenSizePtr	size);
+	   int		numOutput,
+	   RROutputPtr  *outputs);
+
+/*
+ * Request that the Crtc gamma be changed
+ */
 
 Bool
-miRRGetScreenInfo (ScreenPtr pScreen);
+RRCrtcGammaSet (RRCrtcPtr   crtc,
+		CARD16	    *red,
+		CARD16	    *green,
+		CARD16	    *blue);
+
+/*
+ * Notify the extension that the Crtc gamma has been changed
+ * The driver calls this whenever it has changed the gamma values
+ * in the RRCrtcRec
+ */
+
+Bool
+RRCrtcGammaNotify (RRCrtcPtr	crtc);
+
+/*
+ * Set the size of the gamma table at server startup time
+ */
+
+Bool
+RRCrtcGammaSetSize (RRCrtcPtr	crtc,
+		    int		size);
+
+/*
+ * Return the area of the frame buffer scanned out by the crtc,
+ * taking into account the current mode and rotation
+ */
+
+void
+RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height);
+
+/*
+ * Destroy a Crtc at shutdown
+ */
+void
+RRCrtcDestroy (RRCrtcPtr crtc);
+
+/*
+ * Initialize crtc type
+ */
+Bool
+RRCrtcInit (void);
+
+/*
+ * Crtc dispatch
+ */
+
+int
+ProcRRGetCrtcInfo (ClientPtr client);
+
+int
+ProcRRSetCrtcConfig (ClientPtr client);
+
+int
+ProcRRGetCrtcGammaSize (ClientPtr client);
+
+int
+ProcRRGetCrtcGamma (ClientPtr client);
+
+int
+ProcRRSetCrtcGamma (ClientPtr client);
+
+/* rrdispatch.c */
+Bool
+RRClientKnowsRates (ClientPtr	pClient);
+
+/* rrmode.c */
+/*
+ * Find, and if necessary, create a mode
+ */
+
+RRModePtr
+RRModeGet (xRRModeInfo	*modeInfo,
+	   const char	*name);
+
+void
+RRModePruneUnused (ScreenPtr pScreen);
+
+/*
+ * Destroy a mode.
+ */
+
+void
+RRModeDestroy (RRModePtr mode);
+
+/*
+ * Return a list of modes that are valid for some output in pScreen
+ */
+RRModePtr *
+RRModesForScreen (ScreenPtr pScreen, int *num_ret);
+    
+/*
+ * Initialize mode type
+ */
+Bool
+RRModeInit (void);
+    
+int
+ProcRRCreateMode (ClientPtr client);
+
+int
+ProcRRDestroyMode (ClientPtr client);
+
+int
+ProcRRAddOutputMode (ClientPtr client);
+
+int
+ProcRRDeleteOutputMode (ClientPtr client);
+
+/* rroutput.c */
+
+/*
+ * Notify the output of some change. configChanged indicates whether
+ * any external configuration (mode list, clones, connected status)
+ * has changed, or whether the change was strictly internal
+ * (which crtc is in use)
+ */
+void
+RROutputChanged (RROutputPtr output, Bool configChanged);
+
+/*
+ * Create an output
+ */
+
+RROutputPtr
+RROutputCreate (ScreenPtr   pScreen,
+		const char  *name,
+		int	    nameLength,
+		void	    *devPrivate);
+
+/*
+ * Notify extension that output parameters have been changed
+ */
+Bool
+RROutputSetClones (RROutputPtr  output,
+		   RROutputPtr  *clones,
+		   int		numClones);
+
+Bool
+RROutputSetModes (RROutputPtr	output,
+		  RRModePtr	*modes,
+		  int		numModes,
+		  int		numPreferred);
+
+int
+RROutputAddUserMode (RROutputPtr    output,
+		     RRModePtr	    mode);
+
+int
+RROutputDeleteUserMode (RROutputPtr output,
+			RRModePtr   mode);
+
+Bool
+RROutputSetCrtcs (RROutputPtr	output,
+		  RRCrtcPtr	*crtcs,
+		  int		numCrtcs);
+
+Bool
+RROutputSetConnection (RROutputPtr  output,
+		       CARD8	    connection);
+
+Bool
+RROutputSetSubpixelOrder (RROutputPtr output,
+			  int	      subpixelOrder);
+
+Bool
+RROutputSetPhysicalSize (RROutputPtr	output,
+			 int		mmWidth,
+			 int		mmHeight);
+
+void
+RRDeliverOutputEvent(ClientPtr client, WindowPtr pWin, RROutputPtr output);
+
+void
+RROutputDestroy (RROutputPtr	output);
+
+int
+ProcRRGetOutputInfo (ClientPtr client);
+
+/*
+ * Initialize output type
+ */
+Bool
+RROutputInit (void);
+    
+/* rrpointer.c */
+void
+RRPointerMoved (ScreenPtr pScreen, int x, int y);
+
+void
+RRPointerScreenConfigured (ScreenPtr pScreen);
+
+/* rrproperty.c */
+
+void
+RRDeleteAllOutputProperties (RROutputPtr output);
+
+RRPropertyValuePtr
+RRGetOutputProperty (RROutputPtr output, Atom property, Bool pending);
+
+RRPropertyPtr
+RRQueryOutputProperty (RROutputPtr output, Atom property);
+		       
+void
+RRDeleteOutputProperty (RROutputPtr output, Atom property);
+
+Bool
+RRPostPendingProperties (RROutputPtr output);
+    
+int
+RRChangeOutputProperty (RROutputPtr output, Atom property, Atom type,
+			int format, int mode, unsigned long len,
+			pointer value, Bool sendevent, Bool pending);
+
+int
+RRConfigureOutputProperty (RROutputPtr output, Atom property,
+			   Bool pending, Bool range, Bool immutable,
+			   int num_values, INT32 *values);
+int
+ProcRRChangeOutputProperty (ClientPtr client);
+
+int
+ProcRRGetOutputProperty (ClientPtr client);
+
+int
+ProcRRListOutputProperties (ClientPtr client);
+
+int
+ProcRRQueryOutputProperty (ClientPtr client);
+
+int
+ProcRRConfigureOutputProperty (ClientPtr client);
+
+int
+ProcRRDeleteOutputProperty (ClientPtr client);
+
+/* rrxinerama.c */
+void
+RRXineramaExtensionInit(void);
 
 #endif /* _RANDRSTR_H_ */
+
+/*
+ 
+randr extension implementation structure
+
+Query state:
+    ProcRRGetScreenInfo/ProcRRGetScreenResources
+	RRGetInfo
+ 
+	    • Request configuration from driver, either 1.0 or 1.2 style
+	    • These functions only record state changes, all
+	      other actions are pended until RRTellChanged is called
+ 
+	    ->rrGetInfo
+	    1.0:
+		RRRegisterSize
+		RRRegisterRate
+		RRSetCurrentConfig
+	    1.2:
+		RRScreenSetSizeRange
+		RROutputSetCrtcs
+		RRModeGet
+		RROutputSetModes
+		RROutputSetConnection
+		RROutputSetSubpixelOrder
+		RROutputSetClones
+		RRCrtcNotify
+ 
+	• Must delay scanning configuration until after ->rrGetInfo returns
+	  because some drivers will call SetCurrentConfig in the middle
+	  of the ->rrGetInfo operation.
+ 
+	1.0:
+
+	    • Scan old configuration, mirror to new structures
+ 
+	    RRScanOldConfig
+		RRCrtcCreate
+		RROutputCreate
+		RROutputSetCrtcs
+		RROutputSetConnection
+		RROutputSetSubpixelOrder
+		RROldModeAdd	• This adds modes one-at-a-time
+		    RRModeGet
+		RRCrtcNotify
+ 
+	• send events, reset pointer if necessary
+ 
+	RRTellChanged
+	    WalkTree (sending events)
+ 
+	    • when layout has changed:
+		RRPointerScreenConfigured
+		RRSendConfigNotify
+ 
+Asynchronous state setting (1.2 only)
+    When setting state asynchronously, the driver invokes the
+    ->rrGetInfo function and then calls RRTellChanged to flush
+    the changes to the clients and reset pointer if necessary
+
+Set state
+
+    ProcRRSetScreenConfig
+	RRCrtcSet
+	    1.2:
+		->rrCrtcSet
+		    RRCrtcNotify
+	    1.0:
+		->rrSetConfig
+		RRCrtcNotify
+	    RRTellChanged
+ */

nx-X11/programs/Xserver/randr/registry.h

+/***********************************************************
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+******************************************************************/
+
+#ifndef DIX_REGISTRY_H
+#define DIX_REGISTRY_H
+
+/*
+ * Result returned from any unsuccessful lookup
+ */
+#define XREGISTRY_UNKNOWN "<unknown>"
+
+#ifdef XREGISTRY
+
+#include "resource.h"
+#include "extnsionst.h"
+
+/* Internal string registry - for auditing, debugging, security, etc. */
+
+/*
+ * Registration functions.  The name string is not copied, so it must
+ * not be a stack variable.
+ */
+void RegisterResourceName(RESTYPE type, char *name);
+void RegisterExtensionNames(ExtensionEntry *ext);
+
+/*
+ * Lookup functions.  The returned string must not be modified or freed.
+ */
+const char *LookupMajorName(int major);
+const char *LookupRequestName(int major, int minor);
+const char *LookupEventName(int event);
+const char *LookupErrorName(int error);
+const char *LookupResourceName(RESTYPE rtype);
+
+/*
+ * Setup and teardown
+ */
+void dixResetRegistry(void);
+
+#else /* XREGISTRY */
+
+/* Define calls away when the registry is not being built. */
+
+#define RegisterResourceName(a, b) { ; }
+#define RegisterExtensionNames(a) { ; }
+
+#define LookupMajorName(a) XREGISTRY_UNKNOWN
+#define LookupRequestName(a, b) XREGISTRY_UNKNOWN
+#define LookupEventName(a) XREGISTRY_UNKNOWN
+#define LookupErrorName(a) XREGISTRY_UNKNOWN
+#define LookupResourceName(a) XREGISTRY_UNKNOWN
+
+#define dixResetRegistry() { ; }
+
+#endif /* XREGISTRY */
+#endif /* DIX_REGISTRY_H */

nx-X11/programs/Xserver/randr/registry.h.NX.original

+/***********************************************************
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+******************************************************************/
+
+#ifndef DIX_REGISTRY_H
+#define DIX_REGISTRY_H
+
+/*
+ * Result returned from any unsuccessful lookup
+ */
+#define XREGISTRY_UNKNOWN "<unknown>"
+
+#ifdef XREGISTRY
+
+#include "resource.h"
+#include "extnsionst.h"
+
+/* Internal string registry - for auditing, debugging, security, etc. */
+
+/*
+ * Registration functions.  The name string is not copied, so it must
+ * not be a stack variable.
+ */
+void RegisterResourceName(RESTYPE type, char *name);
+void RegisterExtensionNames(ExtensionEntry *ext);
+
+/*
+ * Lookup functions.  The returned string must not be modified or freed.
+ */
+const char *LookupMajorName(int major);
+const char *LookupRequestName(int major, int minor);
+const char *LookupEventName(int event);
+const char *LookupErrorName(int error);
+const char *LookupResourceName(RESTYPE rtype);
+
+/*
+ * Setup and teardown
+ */
+void dixResetRegistry(void);
+
+#else /* XREGISTRY */
+
+/* Define calls away when the registry is not being built. */
+
+#define RegisterResourceName(a, b) { ; }
+#define RegisterExtensionNames(a) { ; }
+
+#define LookupMajorName(a) XREGISTRY_UNKNOWN
+#define LookupRequestName(a, b) XREGISTRY_UNKNOWN
+#define LookupEventName(a) XREGISTRY_UNKNOWN
+#define LookupErrorName(a) XREGISTRY_UNKNOWN
+#define LookupResourceName(a) XREGISTRY_UNKNOWN
+
+#define dixResetRegistry() { ; }
+
+#endif /* XREGISTRY */
+#endif /* DIX_REGISTRY_H */

nx-X11/programs/Xserver/randr/rrcrtc.c

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NX-X11, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include "randrstr.h"
+#include "swaprep.h"
+#include "registry.h"
+
+RESTYPE	RRCrtcType;
+
+/*
+ * Notify the CRTC of some change
+ */
+void
+RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged)
+{
+    ScreenPtr	pScreen = crtc->pScreen;
+
+    crtc->changed = TRUE;
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+    
+	pScrPriv->changed = TRUE;
+	/*
+	 * Send ConfigureNotify on any layout change
+	 */
+	if (layoutChanged)
+	    pScrPriv->layoutChanged = TRUE;
+    }
+}
+
+/*
+ * Create a CRTC
+ */
+RRCrtcPtr
+RRCrtcCreate (ScreenPtr pScreen, void *devPrivate)
+{
+    RRCrtcPtr	    crtc;
+    RRCrtcPtr	    *crtcs;
+    rrScrPrivPtr    pScrPriv;
+
+    if (!RRInit())
+	return NULL;
+    
+    pScrPriv = rrGetScrPriv(pScreen);
+
+    /* make space for the crtc pointer */
+    if (pScrPriv->numCrtcs)
+	crtcs = xrealloc (pScrPriv->crtcs, 
+			  (pScrPriv->numCrtcs + 1) * sizeof (RRCrtcPtr));
+    else
+	crtcs = xalloc (sizeof (RRCrtcPtr));
+    if (!crtcs)
+	return FALSE;
+    pScrPriv->crtcs = crtcs;
+    
+    crtc = xcalloc (1, sizeof (RRCrtcRec));
+    if (!crtc)
+	return NULL;
+    crtc->id = FakeClientID (0);
+    crtc->pScreen = pScreen;
+    crtc->mode = NULL;
+    crtc->x = 0;
+    crtc->y = 0;
+    crtc->rotation = RR_Rotate_0;
+    crtc->rotations = RR_Rotate_0;
+    crtc->outputs = NULL;
+    crtc->numOutputs = 0;
+    crtc->gammaSize = 0;
+    crtc->gammaRed = crtc->gammaBlue = crtc->gammaGreen = NULL;
+    crtc->changed = FALSE;
+    crtc->devPrivate = devPrivate;
+
+    if (!AddResource (crtc->id, RRCrtcType, (pointer) crtc))
+	return NULL;
+
+    /* attach the screen and crtc together */
+    crtc->pScreen = pScreen;
+    pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc;
+    
+    return crtc;
+}
+
+/*
+ * Set the allowed rotations on a CRTC
+ */
+void
+RRCrtcSetRotations (RRCrtcPtr crtc, Rotation rotations)
+{
+    crtc->rotations = rotations;
+}
+
+/*
+ * Notify the extension that the Crtc has been reconfigured,
+ * the driver calls this whenever it has updated the mode
+ */
+Bool
+RRCrtcNotify (RRCrtcPtr	    crtc,
+	      RRModePtr	    mode,
+	      int	    x,
+	      int	    y,
+	      Rotation	    rotation,
+	      int	    numOutputs,
+	      RROutputPtr   *outputs)
+{
+    int	    i, j;
+    
+    /*
+     * Check to see if any of the new outputs were
+     * not in the old list and mark them as changed
+     */
+    for (i = 0; i < numOutputs; i++)
+    {
+	for (j = 0; j < crtc->numOutputs; j++)
+	    if (outputs[i] == crtc->outputs[j])
+		break;
+	if (j == crtc->numOutputs)
+	{
+	    outputs[i]->crtc = crtc;
+	    RROutputChanged (outputs[i], FALSE);
+	    RRCrtcChanged (crtc, FALSE);
+	}
+    }
+    /*
+     * Check to see if any of the old outputs are
+     * not in the new list and mark them as changed
+     */
+    for (j = 0; j < crtc->numOutputs; j++)
+    {
+	for (i = 0; i < numOutputs; i++)
+	    if (outputs[i] == crtc->outputs[j])
+		break;
+	if (i == numOutputs)
+	{
+	    if (crtc->outputs[j]->crtc == crtc)
+		crtc->outputs[j]->crtc = NULL;
+	    RROutputChanged (crtc->outputs[j], FALSE);
+	    RRCrtcChanged (crtc, FALSE);
+	}
+    }
+    /*
+     * Reallocate the crtc output array if necessary
+     */
+    if (numOutputs != crtc->numOutputs)
+    {
+	RROutputPtr *newoutputs;
+	
+	if (numOutputs)
+	{
+	    if (crtc->numOutputs)
+		newoutputs = xrealloc (crtc->outputs,
+				    numOutputs * sizeof (RROutputPtr));
+	    else
+		newoutputs = xalloc (numOutputs * sizeof (RROutputPtr));
+	    if (!newoutputs)
+		return FALSE;
+	}
+	else
+	{
+	    if (crtc->outputs)
+		xfree (crtc->outputs);
+	    newoutputs = NULL;
+	}
+	crtc->outputs = newoutputs;
+	crtc->numOutputs = numOutputs;
+    }
+    /*
+     * Copy the new list of outputs into the crtc
+     */
+    memcpy (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr));
+    /*
+     * Update remaining crtc fields
+     */
+    if (mode != crtc->mode)
+    {
+	if (crtc->mode)
+	    RRModeDestroy (crtc->mode);
+	crtc->mode = mode;
+	if (mode != NULL)
+	    mode->refcnt++;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    if (x != crtc->x)
+    {
+	crtc->x = x;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    if (y != crtc->y)
+    {
+	crtc->y = y;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    if (rotation != crtc->rotation)
+    {
+	crtc->rotation = rotation;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    return TRUE;
+}
+
+void
+RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc)
+{
+    ScreenPtr pScreen = pWin->drawable.pScreen;
+    rrScrPriv (pScreen);
+    xRRCrtcChangeNotifyEvent	ce;
+    RRModePtr	mode = crtc->mode;
+    
+    ce.type = RRNotify + RREventBase;
+    ce.subCode = RRNotify_CrtcChange;
+    ce.sequenceNumber = client->sequence;
+    ce.timestamp = pScrPriv->lastSetTime.milliseconds;
+    ce.window = pWin->drawable.id;
+    ce.crtc = crtc->id;
+    ce.rotation = crtc->rotation;
+    if (mode)
+    {
+	ce.mode = mode->mode.id;
+	ce.x = crtc->x;
+	ce.y = crtc->y;
+	ce.width = mode->mode.width;
+	ce.height = mode->mode.height;
+    }
+    else
+    {
+	ce.mode = None;
+	ce.x = 0;
+	ce.y = 0;
+	ce.width = 0;
+	ce.height = 0;
+    }
+    WriteEventsToClient (client, 1, (xEvent *) &ce);
+}
+
+static Bool
+RRCrtcPendingProperties (RRCrtcPtr crtc)
+{
+    ScreenPtr	pScreen = crtc->pScreen;
+    rrScrPriv(pScreen);
+    int		o;
+
+    for (o = 0; o < pScrPriv->numOutputs; o++)
+    {
+	RROutputPtr output = pScrPriv->outputs[o];
+	if (output->crtc == crtc && output->pendingProperties)
+	    return TRUE;
+    }
+    return FALSE;
+}
+
+/*
+ * Request that the Crtc be reconfigured
+ */
+Bool
+RRCrtcSet (RRCrtcPtr    crtc,
+	   RRModePtr	mode,
+	   int		x,
+	   int		y,
+	   Rotation	rotation,
+	   int		numOutputs,
+	   RROutputPtr  *outputs)
+{
+    ScreenPtr	pScreen = crtc->pScreen;
+    Bool	ret = FALSE;
+    rrScrPriv(pScreen);
+
+    /* See if nothing changed */
+    if (crtc->mode == mode &&
+	crtc->x == x &&
+	crtc->y == y &&
+	crtc->rotation == rotation &&
+	crtc->numOutputs == numOutputs &&
+	!memcmp (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr)) &&
+	!RRCrtcPendingProperties (crtc))
+    {
+	ret = TRUE;
+    }
+    else
+    {
+#if RANDR_12_INTERFACE
+	if (pScrPriv->rrCrtcSet)
+	{
+	    ret = (*pScrPriv->rrCrtcSet) (pScreen, crtc, mode, x, y, 
+					  rotation, numOutputs, outputs);
+	}
+	else
+#endif
+	{
+#if RANDR_10_INTERFACE
+	    if (pScrPriv->rrSetConfig)
+	    {
+		RRScreenSize	    size;
+		RRScreenRate	    rate;
+
+		if (!mode)
+		{
+		    RRCrtcNotify (crtc, NULL, x, y, rotation, 0, NULL);
+		    ret = TRUE;
+		}
+		else
+		{
+		    size.width = mode->mode.width;
+		    size.height = mode->mode.height;
+		    if (outputs[0]->mmWidth && outputs[0]->mmHeight)
+		    {
+			size.mmWidth = outputs[0]->mmWidth;
+			size.mmHeight = outputs[0]->mmHeight;
+		    }
+		    else
+		    {
+			size.mmWidth = pScreen->mmWidth;
+			size.mmHeight = pScreen->mmHeight;
+		    }
+		    size.nRates = 1;
+		    rate.rate = RRVerticalRefresh (&mode->mode);
+		    size.pRates = &rate;
+		    ret = (*pScrPriv->rrSetConfig) (pScreen, rotation, rate.rate, &size);
+		    /*
+		     * Old 1.0 interface tied screen size to mode size
+		     */
+		    if (ret)
+		    {
+			RRCrtcNotify (crtc, mode, x, y, rotation, 1, outputs);
+			RRScreenSizeNotify (pScreen);
+		    }
+		}
+	    }
+#endif
+	}
+	if (ret)
+	{
+	    int	o;
+	    RRTellChanged (pScreen);
+
+	    for (o = 0; o < numOutputs; o++)
+		RRPostPendingProperties (outputs[o]);
+	}
+    }
+    return ret;
+}
+
+/*
+ * Destroy a Crtc at shutdown
+ */
+void
+RRCrtcDestroy (RRCrtcPtr crtc)
+{
+    FreeResource (crtc->id, 0);
+}
+
+static int
+RRCrtcDestroyResource (pointer value, XID pid)
+{
+    RRCrtcPtr	crtc = (RRCrtcPtr) value;
+    ScreenPtr	pScreen = crtc->pScreen;
+
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+	int		i;
+    
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	{
+	    if (pScrPriv->crtcs[i] == crtc)
+	    {
+		memmove (pScrPriv->crtcs + i, pScrPriv->crtcs + i + 1,
+			 (pScrPriv->numCrtcs - (i + 1)) * sizeof (RRCrtcPtr));
+		--pScrPriv->numCrtcs;
+		break;
+	    }
+	}
+    }
+    if (crtc->gammaRed)
+	xfree (crtc->gammaRed);
+    if (crtc->mode)
+	RRModeDestroy (crtc->mode);
+    xfree (crtc);
+    return 1;
+}
+
+/*
+ * Request that the Crtc gamma be changed
+ */
+
+Bool
+RRCrtcGammaSet (RRCrtcPtr   crtc,
+		CARD16	    *red,
+		CARD16	    *green,
+		CARD16	    *blue)
+{
+    Bool	ret = TRUE;
+#if RANDR_12_INTERFACE
+    ScreenPtr	pScreen = crtc->pScreen;
+#endif
+    
+    memcpy (crtc->gammaRed, red, crtc->gammaSize * sizeof (CARD16));
+    memcpy (crtc->gammaGreen, green, crtc->gammaSize * sizeof (CARD16));
+    memcpy (crtc->gammaBlue, blue, crtc->gammaSize * sizeof (CARD16));
+#if RANDR_12_INTERFACE
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+	if (pScrPriv->rrCrtcSetGamma)
+	    ret = (*pScrPriv->rrCrtcSetGamma) (pScreen, crtc);
+    }
+#endif
+    return ret;
+}
+
+/*
+ * Notify the extension that the Crtc gamma has been changed
+ * The driver calls this whenever it has changed the gamma values
+ * in the RRCrtcRec
+ */
+
+Bool
+RRCrtcGammaNotify (RRCrtcPtr	crtc)
+{
+    return TRUE;    /* not much going on here */
+}
+
+/**
+ * Returns the width/height that the crtc scans out from the framebuffer
+ */
+void
+RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height)
+{
+    if (crtc->mode == NULL) {
+	*width = 0;
+	*height = 0;
+	return;
+    }
+
+    switch (crtc->rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_180:
+	*width = crtc->mode->mode.width;
+	*height = crtc->mode->mode.height;
+	break;
+    case RR_Rotate_90:
+    case RR_Rotate_270:
+	*width = crtc->mode->mode.height;
+	*height = crtc->mode->mode.width;
+	break;
+    }
+}
+
+/*
+ * Set the size of the gamma table at server startup time
+ */
+
+Bool
+RRCrtcGammaSetSize (RRCrtcPtr	crtc,
+		    int		size)
+{
+    CARD16  *gamma;
+
+    if (size == crtc->gammaSize)
+	return TRUE;
+    if (size)
+    {
+	gamma = xalloc (size * 3 * sizeof (CARD16));
+	if (!gamma)
+	    return FALSE;
+    }
+    else
+	gamma = NULL;
+    if (crtc->gammaRed)
+	xfree (crtc->gammaRed);
+    crtc->gammaRed = gamma;
+    crtc->gammaGreen = gamma + size;
+    crtc->gammaBlue = gamma + size*2;
+    crtc->gammaSize = size;
+    return TRUE;
+}
+
+/*
+ * Initialize crtc type
+ */
+Bool
+RRCrtcInit (void)
+{
+    RRCrtcType = CreateNewResourceType (RRCrtcDestroyResource);
+    if (!RRCrtcType)
+	return FALSE;
+    RegisterResourceName (RRCrtcType, "CRTC");
+    return TRUE;
+}
+
+int
+ProcRRGetCrtcInfo (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcInfoReq);
+    xRRGetCrtcInfoReply	rep;
+    RRCrtcPtr			crtc;
+    CARD8			*extra;
+    unsigned long		extraLen;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    RRModePtr			mode;
+    RROutput			*outputs;
+    RROutput			*possible;
+    int				i, j, k, n;
+    int				width, height;
+    
+    REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq);
+    crtc = LookupCrtc(client, stuff->crtc, DixReadAccess);
+
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+
+    /* All crtcs must be associated with screens before client
+     * requests are processed
+     */
+    pScreen = crtc->pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+
+    mode = crtc->mode;
+    
+    rep.type = X_Reply;
+    rep.status = RRSetConfigSuccess;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+    rep.x = crtc->x;
+    rep.y = crtc->y;
+    RRCrtcGetScanoutSize (crtc, &width, &height);
+    rep.width = width;
+    rep.height = height;
+    rep.mode = mode ? mode->mode.id : 0;
+    rep.rotation = crtc->rotation;
+    rep.rotations = crtc->rotations;
+    rep.nOutput = crtc->numOutputs;
+    k = 0;
+    for (i = 0; i < pScrPriv->numOutputs; i++)
+	for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
+	    if (pScrPriv->outputs[i]->crtcs[j] == crtc)
+		k++;
+    rep.nPossibleOutput = k;
+    
+    rep.length = rep.nOutput + rep.nPossibleOutput;
+
+    extraLen = rep.length << 2;
+    if (extraLen)
+    {
+	extra = xalloc (extraLen);
+	if (!extra)
+	    return BadAlloc;
+    }
+    else
+	extra = NULL;
+
+    outputs = (RROutput *) extra;
+    possible = (RROutput *) (outputs + rep.nOutput);
+    
+    for (i = 0; i < crtc->numOutputs; i++)
+    {
+	outputs[i] = crtc->outputs[i]->id;
+	if (client->swapped)
+	    swapl (&outputs[i], n);
+    }
+    k = 0;
+    for (i = 0; i < pScrPriv->numOutputs; i++)
+	for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
+	    if (pScrPriv->outputs[i]->crtcs[j] == crtc)
+	    {
+		possible[k] = pScrPriv->outputs[i]->id;
+		if (client->swapped)
+		    swapl (&possible[k], n);
+		k++;
+	    }
+    
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swaps(&rep.x, n);
+	swaps(&rep.y, n);
+	swaps(&rep.width, n);
+	swaps(&rep.height, n);
+	swapl(&rep.mode, n);
+	swaps(&rep.rotation, n);
+	swaps(&rep.rotations, n);
+	swaps(&rep.nOutput, n);
+	swaps(&rep.nPossibleOutput, n);
+    }
+    WriteToClient(client, sizeof(xRRGetCrtcInfoReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    
+    return client->noClientException;
+}
+
+int
+ProcRRSetCrtcConfig (ClientPtr client)
+{
+    REQUEST(xRRSetCrtcConfigReq);
+    xRRSetCrtcConfigReply   rep;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    RRCrtcPtr		    crtc;
+    RRModePtr		    mode;
+    int			    numOutputs;
+    RROutputPtr		    *outputs = NULL;
+    RROutput		    *outputIds;
+    TimeStamp		    configTime;
+    TimeStamp		    time;
+    Rotation		    rotation;
+    int			    i, j;
+    
+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq);
+    numOutputs = (stuff->length - (SIZEOF (xRRSetCrtcConfigReq) >> 2));
+    
+    crtc = LookupIDByType (stuff->crtc, RRCrtcType);
+    if (!crtc)
+    {
+	client->errorValue = stuff->crtc;
+	return RRErrorBase + BadRRCrtc;
+    }
+    if (stuff->mode == None)
+    {
+	mode = NULL;
+	if (numOutputs > 0)
+	    return BadMatch;
+    }
+    else
+    {
+	mode = LookupIDByType (stuff->mode, RRModeType);
+	if (!mode)
+	{
+	    client->errorValue = stuff->mode;
+	    return RRErrorBase + BadRRMode;
+	}
+	if (numOutputs == 0)
+	    return BadMatch;
+    }
+    if (numOutputs)
+    {
+	outputs = xalloc (numOutputs * sizeof (RROutputPtr));
+	if (!outputs)
+	    return BadAlloc;
+    }
+    else
+	outputs = NULL;
+    
+    outputIds = (RROutput *) (stuff + 1);
+    for (i = 0; i < numOutputs; i++)
+    {
+	outputs[i] = (RROutputPtr) LookupIDByType (outputIds[i], RROutputType);
+	if (!outputs[i])
+	{
+	    client->errorValue = outputIds[i];
+	    if (outputs)
+		xfree (outputs);
+	    return RRErrorBase + BadRROutput;
+	}
+	/* validate crtc for this output */
+	for (j = 0; j < outputs[i]->numCrtcs; j++)
+	    if (outputs[i]->crtcs[j] == crtc)
+		break;
+	if (j == outputs[i]->numCrtcs)
+	{
+	    if (outputs)
+		xfree (outputs);
+	    return BadMatch;
+	}
+	/* validate mode for this output */
+	for (j = 0; j < outputs[i]->numModes + outputs[i]->numUserModes; j++)
+	{
+	    RRModePtr	m = (j < outputs[i]->numModes ? 
+			     outputs[i]->modes[j] :
+			     outputs[i]->userModes[j - outputs[i]->numModes]);
+	    if (m == mode)
+		break;
+	}
+	if (j == outputs[i]->numModes + outputs[i]->numUserModes)
+	{
+	    if (outputs)
+		xfree (outputs);
+	    return BadMatch;
+	}
+    }
+    /* validate clones */
+    for (i = 0; i < numOutputs; i++)
+    {
+	for (j = 0; j < numOutputs; j++)
+	{
+	    int k;
+	    if (i == j)
+		continue;
+	    for (k = 0; k < outputs[i]->numClones; k++)
+	    {
+		if (outputs[i]->clones[k] == outputs[j])
+		    break;
+	    }
+	    if (k == outputs[i]->numClones)
+	    {
+		if (outputs)
+		    xfree (outputs);
+		return BadMatch;
+	    }
+	}
+    }
+
+    pScreen = crtc->pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    time = ClientTimeToServerTime(stuff->timestamp);
+    configTime = ClientTimeToServerTime(stuff->configTimestamp);
+    
+    if (!pScrPriv)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    
+#if 0
+    /*
+     * if the client's config timestamp is not the same as the last config
+     * timestamp, then the config information isn't up-to-date and
+     * can't even be validated
+     */
+    if (CompareTimeStamps (configTime, pScrPriv->lastConfigTime) != 0)
+    {
+	rep.status = RRSetConfigInvalidConfigTime;
+	goto sendReply;
+    }
+#endif
+    
+    /*
+     * Validate requested rotation
+     */
+    rotation = (Rotation) stuff->rotation;
+
+    /* test the rotation bits only! */
+    switch (rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_90:
+    case RR_Rotate_180:
+    case RR_Rotate_270:
+	break;
+    default:
+	/*
+	 * Invalid rotation
+	 */
+	client->errorValue = stuff->rotation;
+	if (outputs)
+	    xfree (outputs);
+	return BadValue;
+    }
+
+    if (mode)
+    {
+	if ((~crtc->rotations) & rotation)
+	{
+	    /*
+	     * requested rotation or reflection not supported by screen
+	     */
+	    client->errorValue = stuff->rotation;
+	    if (outputs)
+		xfree (outputs);
+	    return BadMatch;
+	}
+    
+#ifdef RANDR_12_INTERFACE
+	/*
+	 * Check screen size bounds if the DDX provides a 1.2 interface
+	 * for setting screen size. Else, assume the CrtcSet sets
+	 * the size along with the mode
+	 */
+	if (pScrPriv->rrScreenSetSize)
+	{
+	    int source_width = mode->mode.width;
+	    int	source_height = mode->mode.height;
+
+	    if ((rotation & 0xf) == RR_Rotate_90 || (rotation & 0xf) == RR_Rotate_270)
+	    {
+		source_width = mode->mode.height;
+		source_height = mode->mode.width;
+	    }
+	    if (stuff->x + source_width > pScreen->width)
+	    {
+		client->errorValue = stuff->x;
+		if (outputs)
+		    xfree (outputs);
+		return BadValue;
+	    }
+	    
+	    if (stuff->y + source_height > pScreen->height)
+	    {
+		client->errorValue = stuff->y;
+		if (outputs)
+		    xfree (outputs);
+		return BadValue;
+	    }
+	}
+#endif
+    }
+    
+    /*
+     * Make sure the requested set-time is not older than
+     * the last set-time
+     */
+    if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0)
+    {
+	rep.status = RRSetConfigInvalidTime;
+	goto sendReply;
+    }
+
+    if (!RRCrtcSet (crtc, mode, stuff->x, stuff->y,
+		   rotation, numOutputs, outputs))
+    {
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    #ifdef NXAGENT_SERVER /* Bug 21987 */
+    pScrPriv->lastSetTime = time;
+    #endif
+    rep.status = RRSetConfigSuccess;
+    
+sendReply:
+    if (outputs)
+	xfree (outputs);
+    
+    rep.type = X_Reply;
+    /* rep.status has already been filled in */
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    #ifndef NXAGENT_SERVER /* Bug 21987 */
+    rep.newTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    #else
+    rep.newTimestamp = pScrPriv->lastSetTime.milliseconds;
+    #endif
+
+    if (client->swapped) 
+    {
+	int n;
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.newTimestamp, n);
+    }
+    WriteToClient(client, sizeof(xRRSetCrtcConfigReply), (char *)&rep);
+    
+    return client->noClientException;
+}
+
+int
+ProcRRGetCrtcGammaSize (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcGammaSizeReq);
+    xRRGetCrtcGammaSizeReply	reply;
+    RRCrtcPtr			crtc;
+    int				n;
+
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq);
+    crtc = LookupCrtc (client, stuff->crtc, DixReadAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    reply.type = X_Reply;
+    reply.sequenceNumber = client->sequence;
+    reply.length = 0;
+    reply.size = crtc->gammaSize;
+    if (client->swapped) {
+	swaps (&reply.sequenceNumber, n);
+	swapl (&reply.length, n);
+	swaps (&reply.size, n);
+    }
+    WriteToClient (client, sizeof (xRRGetCrtcGammaSizeReply), (char *) &reply);
+    return client->noClientException;
+}
+
+int
+ProcRRGetCrtcGamma (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcGammaReq);
+    xRRGetCrtcGammaReply	reply;
+    RRCrtcPtr			crtc;
+    int				n;
+    unsigned long		len;
+    char			*extra;
+    
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq);
+    crtc = LookupCrtc (client, stuff->crtc, DixReadAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    len = crtc->gammaSize * 3 * 2;
+    
+    if (crtc->gammaSize) {
+	extra = xalloc(len);
+	if (!extra)
+	    return BadAlloc;
+    }
+
+    reply.type = X_Reply;
+    reply.sequenceNumber = client->sequence;
+    reply.length = (len + 3) >> 2;
+    reply.size = crtc->gammaSize;
+    if (client->swapped) {
+	swaps (&reply.sequenceNumber, n);
+	swapl (&reply.length, n);
+	swaps (&reply.size, n);
+    }
+    WriteToClient (client, sizeof (xRRGetCrtcGammaReply), (char *) &reply);
+    if (crtc->gammaSize)
+    {
+	memcpy(extra, crtc->gammaRed, len);
+	client->pSwapReplyFunc = (ReplySwapPtr)CopySwap16Write;
+	WriteSwappedDataToClient (client, len, extra);
+	xfree(extra);
+    }
+    return client->noClientException;
+}
+
+int
+ProcRRSetCrtcGamma (ClientPtr client)
+{
+    REQUEST(xRRSetCrtcGammaReq);
+    RRCrtcPtr			crtc;
+    unsigned long		len;
+    CARD16			*red, *green, *blue;
+    
+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcGammaReq);
+    crtc = LookupCrtc (client, stuff->crtc, DixWriteAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    len = client->req_len - (sizeof (xRRSetCrtcGammaReq) >> 2);
+    if (len < (stuff->size * 3 + 1) >> 1)
+	return BadLength;
+
+    if (stuff->size != crtc->gammaSize)
+	return BadMatch;
+    
+    red = (CARD16 *) (stuff + 1);
+    green = red + crtc->gammaSize;
+    blue = green + crtc->gammaSize;
+    
+    RRCrtcGammaSet (crtc, red, green, blue);
+
+    return Success;
+}
+

nx-X11/programs/Xserver/randr/rrcrtc.c.NX.original

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NX-X11, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include "randrstr.h"
+#include "swaprep.h"
+#include "registry.h"
+
+RESTYPE	RRCrtcType;
+
+/*
+ * Notify the CRTC of some change
+ */
+void
+RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged)
+{
+    ScreenPtr	pScreen = crtc->pScreen;
+
+    crtc->changed = TRUE;
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+    
+	pScrPriv->changed = TRUE;
+	/*
+	 * Send ConfigureNotify on any layout change
+	 */
+	if (layoutChanged)
+	    pScrPriv->layoutChanged = TRUE;
+    }
+}
+
+/*
+ * Create a CRTC
+ */
+RRCrtcPtr
+RRCrtcCreate (ScreenPtr pScreen, void *devPrivate)
+{
+    RRCrtcPtr	    crtc;
+    RRCrtcPtr	    *crtcs;
+    rrScrPrivPtr    pScrPriv;
+
+    if (!RRInit())
+	return NULL;
+    
+    pScrPriv = rrGetScrPriv(pScreen);
+
+    /* make space for the crtc pointer */
+    if (pScrPriv->numCrtcs)
+	crtcs = xrealloc (pScrPriv->crtcs, 
+			  (pScrPriv->numCrtcs + 1) * sizeof (RRCrtcPtr));
+    else
+	crtcs = xalloc (sizeof (RRCrtcPtr));
+    if (!crtcs)
+	return FALSE;
+    pScrPriv->crtcs = crtcs;
+    
+    crtc = xcalloc (1, sizeof (RRCrtcRec));
+    if (!crtc)
+	return NULL;
+    crtc->id = FakeClientID (0);
+    crtc->pScreen = pScreen;
+    crtc->mode = NULL;
+    crtc->x = 0;
+    crtc->y = 0;
+    crtc->rotation = RR_Rotate_0;
+    crtc->rotations = RR_Rotate_0;
+    crtc->outputs = NULL;
+    crtc->numOutputs = 0;
+    crtc->gammaSize = 0;
+    crtc->gammaRed = crtc->gammaBlue = crtc->gammaGreen = NULL;
+    crtc->changed = FALSE;
+    crtc->devPrivate = devPrivate;
+
+    if (!AddResource (crtc->id, RRCrtcType, (pointer) crtc))
+	return NULL;
+
+    /* attach the screen and crtc together */
+    crtc->pScreen = pScreen;
+    pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc;
+    
+    return crtc;
+}
+
+/*
+ * Set the allowed rotations on a CRTC
+ */
+void
+RRCrtcSetRotations (RRCrtcPtr crtc, Rotation rotations)
+{
+    crtc->rotations = rotations;
+}
+
+/*
+ * Notify the extension that the Crtc has been reconfigured,
+ * the driver calls this whenever it has updated the mode
+ */
+Bool
+RRCrtcNotify (RRCrtcPtr	    crtc,
+	      RRModePtr	    mode,
+	      int	    x,
+	      int	    y,
+	      Rotation	    rotation,
+	      int	    numOutputs,
+	      RROutputPtr   *outputs)
+{
+    int	    i, j;
+    
+    /*
+     * Check to see if any of the new outputs were
+     * not in the old list and mark them as changed
+     */
+    for (i = 0; i < numOutputs; i++)
+    {
+	for (j = 0; j < crtc->numOutputs; j++)
+	    if (outputs[i] == crtc->outputs[j])
+		break;
+	if (j == crtc->numOutputs)
+	{
+	    outputs[i]->crtc = crtc;
+	    RROutputChanged (outputs[i], FALSE);
+	    RRCrtcChanged (crtc, FALSE);
+	}
+    }
+    /*
+     * Check to see if any of the old outputs are
+     * not in the new list and mark them as changed
+     */
+    for (j = 0; j < crtc->numOutputs; j++)
+    {
+	for (i = 0; i < numOutputs; i++)
+	    if (outputs[i] == crtc->outputs[j])
+		break;
+	if (i == numOutputs)
+	{
+	    if (crtc->outputs[j]->crtc == crtc)
+		crtc->outputs[j]->crtc = NULL;
+	    RROutputChanged (crtc->outputs[j], FALSE);
+	    RRCrtcChanged (crtc, FALSE);
+	}
+    }
+    /*
+     * Reallocate the crtc output array if necessary
+     */
+    if (numOutputs != crtc->numOutputs)
+    {
+	RROutputPtr *newoutputs;
+	
+	if (numOutputs)
+	{
+	    if (crtc->numOutputs)
+		newoutputs = xrealloc (crtc->outputs,
+				    numOutputs * sizeof (RROutputPtr));
+	    else
+		newoutputs = xalloc (numOutputs * sizeof (RROutputPtr));
+	    if (!newoutputs)
+		return FALSE;
+	}
+	else
+	{
+	    if (crtc->outputs)
+		xfree (crtc->outputs);
+	    newoutputs = NULL;
+	}
+	crtc->outputs = newoutputs;
+	crtc->numOutputs = numOutputs;
+    }
+    /*
+     * Copy the new list of outputs into the crtc
+     */
+    memcpy (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr));
+    /*
+     * Update remaining crtc fields
+     */
+    if (mode != crtc->mode)
+    {
+	if (crtc->mode)
+	    RRModeDestroy (crtc->mode);
+	crtc->mode = mode;
+	if (mode != NULL)
+	    mode->refcnt++;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    if (x != crtc->x)
+    {
+	crtc->x = x;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    if (y != crtc->y)
+    {
+	crtc->y = y;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    if (rotation != crtc->rotation)
+    {
+	crtc->rotation = rotation;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    return TRUE;
+}
+
+void
+RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc)
+{
+    ScreenPtr pScreen = pWin->drawable.pScreen;
+    rrScrPriv (pScreen);
+    xRRCrtcChangeNotifyEvent	ce;
+    RRModePtr	mode = crtc->mode;
+    
+    ce.type = RRNotify + RREventBase;
+    ce.subCode = RRNotify_CrtcChange;
+    ce.sequenceNumber = client->sequence;
+    ce.timestamp = pScrPriv->lastSetTime.milliseconds;
+    ce.window = pWin->drawable.id;
+    ce.crtc = crtc->id;
+    ce.rotation = crtc->rotation;
+    if (mode)
+    {
+	ce.mode = mode->mode.id;
+	ce.x = crtc->x;
+	ce.y = crtc->y;
+	ce.width = mode->mode.width;
+	ce.height = mode->mode.height;
+    }
+    else
+    {
+	ce.mode = None;
+	ce.x = 0;
+	ce.y = 0;
+	ce.width = 0;
+	ce.height = 0;
+    }
+    WriteEventsToClient (client, 1, (xEvent *) &ce);
+}
+
+static Bool
+RRCrtcPendingProperties (RRCrtcPtr crtc)
+{
+    ScreenPtr	pScreen = crtc->pScreen;
+    rrScrPriv(pScreen);
+    int		o;
+
+    for (o = 0; o < pScrPriv->numOutputs; o++)
+    {
+	RROutputPtr output = pScrPriv->outputs[o];
+	if (output->crtc == crtc && output->pendingProperties)
+	    return TRUE;
+    }
+    return FALSE;
+}
+
+/*
+ * Request that the Crtc be reconfigured
+ */
+Bool
+RRCrtcSet (RRCrtcPtr    crtc,
+	   RRModePtr	mode,
+	   int		x,
+	   int		y,
+	   Rotation	rotation,
+	   int		numOutputs,
+	   RROutputPtr  *outputs)
+{
+    ScreenPtr	pScreen = crtc->pScreen;
+    Bool	ret = FALSE;
+    rrScrPriv(pScreen);
+
+    /* See if nothing changed */
+    if (crtc->mode == mode &&
+	crtc->x == x &&
+	crtc->y == y &&
+	crtc->rotation == rotation &&
+	crtc->numOutputs == numOutputs &&
+	!memcmp (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr)) &&
+	!RRCrtcPendingProperties (crtc))
+    {
+	ret = TRUE;
+    }
+    else
+    {
+#if RANDR_12_INTERFACE
+	if (pScrPriv->rrCrtcSet)
+	{
+	    ret = (*pScrPriv->rrCrtcSet) (pScreen, crtc, mode, x, y, 
+					  rotation, numOutputs, outputs);
+	}
+	else
+#endif
+	{
+#if RANDR_10_INTERFACE
+	    if (pScrPriv->rrSetConfig)
+	    {
+		RRScreenSize	    size;
+		RRScreenRate	    rate;
+
+		if (!mode)
+		{
+		    RRCrtcNotify (crtc, NULL, x, y, rotation, 0, NULL);
+		    ret = TRUE;
+		}
+		else
+		{
+		    size.width = mode->mode.width;
+		    size.height = mode->mode.height;
+		    if (outputs[0]->mmWidth && outputs[0]->mmHeight)
+		    {
+			size.mmWidth = outputs[0]->mmWidth;
+			size.mmHeight = outputs[0]->mmHeight;
+		    }
+		    else
+		    {
+			size.mmWidth = pScreen->mmWidth;
+			size.mmHeight = pScreen->mmHeight;
+		    }
+		    size.nRates = 1;
+		    rate.rate = RRVerticalRefresh (&mode->mode);
+		    size.pRates = &rate;
+		    ret = (*pScrPriv->rrSetConfig) (pScreen, rotation, rate.rate, &size);
+		    /*
+		     * Old 1.0 interface tied screen size to mode size
+		     */
+		    if (ret)
+		    {
+			RRCrtcNotify (crtc, mode, x, y, rotation, 1, outputs);
+			RRScreenSizeNotify (pScreen);
+		    }
+		}
+	    }
+#endif
+	}
+	if (ret)
+	{
+	    int	o;
+	    RRTellChanged (pScreen);
+
+	    for (o = 0; o < numOutputs; o++)
+		RRPostPendingProperties (outputs[o]);
+	}
+    }
+    return ret;
+}
+
+/*
+ * Destroy a Crtc at shutdown
+ */
+void
+RRCrtcDestroy (RRCrtcPtr crtc)
+{
+    FreeResource (crtc->id, 0);
+}
+
+static int
+RRCrtcDestroyResource (pointer value, XID pid)
+{
+    RRCrtcPtr	crtc = (RRCrtcPtr) value;
+    ScreenPtr	pScreen = crtc->pScreen;
+
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+	int		i;
+    
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	{
+	    if (pScrPriv->crtcs[i] == crtc)
+	    {
+		memmove (pScrPriv->crtcs + i, pScrPriv->crtcs + i + 1,
+			 (pScrPriv->numCrtcs - (i + 1)) * sizeof (RRCrtcPtr));
+		--pScrPriv->numCrtcs;
+		break;
+	    }
+	}
+    }
+    if (crtc->gammaRed)
+	xfree (crtc->gammaRed);
+    if (crtc->mode)
+	RRModeDestroy (crtc->mode);
+    xfree (crtc);
+    return 1;
+}
+
+/*
+ * Request that the Crtc gamma be changed
+ */
+
+Bool
+RRCrtcGammaSet (RRCrtcPtr   crtc,
+		CARD16	    *red,
+		CARD16	    *green,
+		CARD16	    *blue)
+{
+    Bool	ret = TRUE;
+#if RANDR_12_INTERFACE
+    ScreenPtr	pScreen = crtc->pScreen;
+#endif
+    
+    memcpy (crtc->gammaRed, red, crtc->gammaSize * sizeof (CARD16));
+    memcpy (crtc->gammaGreen, green, crtc->gammaSize * sizeof (CARD16));
+    memcpy (crtc->gammaBlue, blue, crtc->gammaSize * sizeof (CARD16));
+#if RANDR_12_INTERFACE
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+	if (pScrPriv->rrCrtcSetGamma)
+	    ret = (*pScrPriv->rrCrtcSetGamma) (pScreen, crtc);
+    }
+#endif
+    return ret;
+}
+
+/*
+ * Notify the extension that the Crtc gamma has been changed
+ * The driver calls this whenever it has changed the gamma values
+ * in the RRCrtcRec
+ */
+
+Bool
+RRCrtcGammaNotify (RRCrtcPtr	crtc)
+{
+    return TRUE;    /* not much going on here */
+}
+
+/**
+ * Returns the width/height that the crtc scans out from the framebuffer
+ */
+void
+RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height)
+{
+    if (crtc->mode == NULL) {
+	*width = 0;
+	*height = 0;
+	return;
+    }
+
+    switch (crtc->rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_180:
+	*width = crtc->mode->mode.width;
+	*height = crtc->mode->mode.height;
+	break;
+    case RR_Rotate_90:
+    case RR_Rotate_270:
+	*width = crtc->mode->mode.height;
+	*height = crtc->mode->mode.width;
+	break;
+    }
+}
+
+/*
+ * Set the size of the gamma table at server startup time
+ */
+
+Bool
+RRCrtcGammaSetSize (RRCrtcPtr	crtc,
+		    int		size)
+{
+    CARD16  *gamma;
+
+    if (size == crtc->gammaSize)
+	return TRUE;
+    if (size)
+    {
+	gamma = xalloc (size * 3 * sizeof (CARD16));
+	if (!gamma)
+	    return FALSE;
+    }
+    else
+	gamma = NULL;
+    if (crtc->gammaRed)
+	xfree (crtc->gammaRed);
+    crtc->gammaRed = gamma;
+    crtc->gammaGreen = gamma + size;
+    crtc->gammaBlue = gamma + size*2;
+    crtc->gammaSize = size;
+    return TRUE;
+}
+
+/*
+ * Initialize crtc type
+ */
+Bool
+RRCrtcInit (void)
+{
+    RRCrtcType = CreateNewResourceType (RRCrtcDestroyResource);
+    if (!RRCrtcType)
+	return FALSE;
+    RegisterResourceName (RRCrtcType, "CRTC");
+    return TRUE;
+}
+
+int
+ProcRRGetCrtcInfo (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcInfoReq);
+    xRRGetCrtcInfoReply	rep;
+    RRCrtcPtr			crtc;
+    CARD8			*extra;
+    unsigned long		extraLen;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    RRModePtr			mode;
+    RROutput			*outputs;
+    RROutput			*possible;
+    int				i, j, k, n;
+    int				width, height;
+    
+    REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq);
+    crtc = LookupCrtc(client, stuff->crtc, DixReadAccess);
+
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+
+    /* All crtcs must be associated with screens before client
+     * requests are processed
+     */
+    pScreen = crtc->pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+
+    mode = crtc->mode;
+    
+    rep.type = X_Reply;
+    rep.status = RRSetConfigSuccess;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+    rep.x = crtc->x;
+    rep.y = crtc->y;
+    RRCrtcGetScanoutSize (crtc, &width, &height);
+    rep.width = width;
+    rep.height = height;
+    rep.mode = mode ? mode->mode.id : 0;
+    rep.rotation = crtc->rotation;
+    rep.rotations = crtc->rotations;
+    rep.nOutput = crtc->numOutputs;
+    k = 0;
+    for (i = 0; i < pScrPriv->numOutputs; i++)
+	for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
+	    if (pScrPriv->outputs[i]->crtcs[j] == crtc)
+		k++;
+    rep.nPossibleOutput = k;
+    
+    rep.length = rep.nOutput + rep.nPossibleOutput;
+
+    extraLen = rep.length << 2;
+    if (extraLen)
+    {
+	extra = xalloc (extraLen);
+	if (!extra)
+	    return BadAlloc;
+    }
+    else
+	extra = NULL;
+
+    outputs = (RROutput *) extra;
+    possible = (RROutput *) (outputs + rep.nOutput);
+    
+    for (i = 0; i < crtc->numOutputs; i++)
+    {
+	outputs[i] = crtc->outputs[i]->id;
+	if (client->swapped)
+	    swapl (&outputs[i], n);
+    }
+    k = 0;
+    for (i = 0; i < pScrPriv->numOutputs; i++)
+	for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
+	    if (pScrPriv->outputs[i]->crtcs[j] == crtc)
+	    {
+		possible[k] = pScrPriv->outputs[i]->id;
+		if (client->swapped)
+		    swapl (&possible[k], n);
+		k++;
+	    }
+    
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swaps(&rep.x, n);
+	swaps(&rep.y, n);
+	swaps(&rep.width, n);
+	swaps(&rep.height, n);
+	swapl(&rep.mode, n);
+	swaps(&rep.rotation, n);
+	swaps(&rep.rotations, n);
+	swaps(&rep.nOutput, n);
+	swaps(&rep.nPossibleOutput, n);
+    }
+    WriteToClient(client, sizeof(xRRGetCrtcInfoReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    
+    return client->noClientException;
+}
+
+int
+ProcRRSetCrtcConfig (ClientPtr client)
+{
+    REQUEST(xRRSetCrtcConfigReq);
+    xRRSetCrtcConfigReply   rep;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    RRCrtcPtr		    crtc;
+    RRModePtr		    mode;
+    int			    numOutputs;
+    RROutputPtr		    *outputs = NULL;
+    RROutput		    *outputIds;
+    TimeStamp		    configTime;
+    TimeStamp		    time;
+    Rotation		    rotation;
+    int			    i, j;
+    
+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq);
+    numOutputs = (stuff->length - (SIZEOF (xRRSetCrtcConfigReq) >> 2));
+    
+    crtc = LookupIDByType (stuff->crtc, RRCrtcType);
+    if (!crtc)
+    {
+	client->errorValue = stuff->crtc;
+	return RRErrorBase + BadRRCrtc;
+    }
+    if (stuff->mode == None)
+    {
+	mode = NULL;
+	if (numOutputs > 0)
+	    return BadMatch;
+    }
+    else
+    {
+	mode = LookupIDByType (stuff->mode, RRModeType);
+	if (!mode)
+	{
+	    client->errorValue = stuff->mode;
+	    return RRErrorBase + BadRRMode;
+	}
+	if (numOutputs == 0)
+	    return BadMatch;
+    }
+    if (numOutputs)
+    {
+	outputs = xalloc (numOutputs * sizeof (RROutputPtr));
+	if (!outputs)
+	    return BadAlloc;
+    }
+    else
+	outputs = NULL;
+    
+    outputIds = (RROutput *) (stuff + 1);
+    for (i = 0; i < numOutputs; i++)
+    {
+	outputs[i] = (RROutputPtr) LookupIDByType (outputIds[i], RROutputType);
+	if (!outputs[i])
+	{
+	    client->errorValue = outputIds[i];
+	    if (outputs)
+		xfree (outputs);
+	    return RRErrorBase + BadRROutput;
+	}
+	/* validate crtc for this output */
+	for (j = 0; j < outputs[i]->numCrtcs; j++)
+	    if (outputs[i]->crtcs[j] == crtc)
+		break;
+	if (j == outputs[i]->numCrtcs)
+	{
+	    if (outputs)
+		xfree (outputs);
+	    return BadMatch;
+	}
+	/* validate mode for this output */
+	for (j = 0; j < outputs[i]->numModes + outputs[i]->numUserModes; j++)
+	{
+	    RRModePtr	m = (j < outputs[i]->numModes ? 
+			     outputs[i]->modes[j] :
+			     outputs[i]->userModes[j - outputs[i]->numModes]);
+	    if (m == mode)
+		break;
+	}
+	if (j == outputs[i]->numModes + outputs[i]->numUserModes)
+	{
+	    if (outputs)
+		xfree (outputs);
+	    return BadMatch;
+	}
+    }
+    /* validate clones */
+    for (i = 0; i < numOutputs; i++)
+    {
+	for (j = 0; j < numOutputs; j++)
+	{
+	    int k;
+	    if (i == j)
+		continue;
+	    for (k = 0; k < outputs[i]->numClones; k++)
+	    {
+		if (outputs[i]->clones[k] == outputs[j])
+		    break;
+	    }
+	    if (k == outputs[i]->numClones)
+	    {
+		if (outputs)
+		    xfree (outputs);
+		return BadMatch;
+	    }
+	}
+    }
+
+    pScreen = crtc->pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    time = ClientTimeToServerTime(stuff->timestamp);
+    configTime = ClientTimeToServerTime(stuff->configTimestamp);
+    
+    if (!pScrPriv)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    
+#if 0
+    /*
+     * if the client's config timestamp is not the same as the last config
+     * timestamp, then the config information isn't up-to-date and
+     * can't even be validated
+     */
+    if (CompareTimeStamps (configTime, pScrPriv->lastConfigTime) != 0)
+    {
+	rep.status = RRSetConfigInvalidConfigTime;
+	goto sendReply;
+    }
+#endif
+    
+    /*
+     * Validate requested rotation
+     */
+    rotation = (Rotation) stuff->rotation;
+
+    /* test the rotation bits only! */
+    switch (rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_90:
+    case RR_Rotate_180:
+    case RR_Rotate_270:
+	break;
+    default:
+	/*
+	 * Invalid rotation
+	 */
+	client->errorValue = stuff->rotation;
+	if (outputs)
+	    xfree (outputs);
+	return BadValue;
+    }
+
+    if (mode)
+    {
+	if ((~crtc->rotations) & rotation)
+	{
+	    /*
+	     * requested rotation or reflection not supported by screen
+	     */
+	    client->errorValue = stuff->rotation;
+	    if (outputs)
+		xfree (outputs);
+	    return BadMatch;
+	}
+    
+#ifdef RANDR_12_INTERFACE
+	/*
+	 * Check screen size bounds if the DDX provides a 1.2 interface
+	 * for setting screen size. Else, assume the CrtcSet sets
+	 * the size along with the mode
+	 */
+	if (pScrPriv->rrScreenSetSize)
+	{
+	    int source_width = mode->mode.width;
+	    int	source_height = mode->mode.height;
+
+	    if ((rotation & 0xf) == RR_Rotate_90 || (rotation & 0xf) == RR_Rotate_270)
+	    {
+		source_width = mode->mode.height;
+		source_height = mode->mode.width;
+	    }
+	    if (stuff->x + source_width > pScreen->width)
+	    {
+		client->errorValue = stuff->x;
+		if (outputs)
+		    xfree (outputs);
+		return BadValue;
+	    }
+	    
+	    if (stuff->y + source_height > pScreen->height)
+	    {
+		client->errorValue = stuff->y;
+		if (outputs)
+		    xfree (outputs);
+		return BadValue;
+	    }
+	}
+#endif
+    }
+    
+    /*
+     * Make sure the requested set-time is not older than
+     * the last set-time
+     */
+    if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0)
+    {
+	rep.status = RRSetConfigInvalidTime;
+	goto sendReply;
+    }
+
+    if (!RRCrtcSet (crtc, mode, stuff->x, stuff->y,
+		   rotation, numOutputs, outputs))
+    {
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    #ifdef NXAGENT_SERVER /* Bug 21987 */
+    pScrPriv->lastSetTime = time;
+    #endif
+    rep.status = RRSetConfigSuccess;
+    
+sendReply:
+    if (outputs)
+	xfree (outputs);
+    
+    rep.type = X_Reply;
+    /* rep.status has already been filled in */
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    #ifndef NXAGENT_SERVER /* Bug 21987 */
+    rep.newTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    #else
+    rep.newTimestamp = pScrPriv->lastSetTime.milliseconds;
+    #endif
+
+    if (client->swapped) 
+    {
+	int n;
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.newTimestamp, n);
+    }
+    WriteToClient(client, sizeof(xRRSetCrtcConfigReply), (char *)&rep);
+    
+    return client->noClientException;
+}
+
+int
+ProcRRGetCrtcGammaSize (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcGammaSizeReq);
+    xRRGetCrtcGammaSizeReply	reply;
+    RRCrtcPtr			crtc;
+    int				n;
+
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq);
+    crtc = LookupCrtc (client, stuff->crtc, DixReadAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    reply.type = X_Reply;
+    reply.sequenceNumber = client->sequence;
+    reply.length = 0;
+    reply.size = crtc->gammaSize;
+    if (client->swapped) {
+	swaps (&reply.sequenceNumber, n);
+	swapl (&reply.length, n);
+	swaps (&reply.size, n);
+    }
+    WriteToClient (client, sizeof (xRRGetCrtcGammaSizeReply), (char *) &reply);
+    return client->noClientException;
+}
+
+int
+ProcRRGetCrtcGamma (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcGammaReq);
+    xRRGetCrtcGammaReply	reply;
+    RRCrtcPtr			crtc;
+    int				n;
+    unsigned long		len;
+    char			*extra;
+    
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq);
+    crtc = LookupCrtc (client, stuff->crtc, DixReadAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    len = crtc->gammaSize * 3 * 2;
+    
+    if (crtc->gammaSize) {
+	extra = xalloc(len);
+	if (!extra)
+	    return BadAlloc;
+    }
+
+    reply.type = X_Reply;
+    reply.sequenceNumber = client->sequence;
+    reply.length = (len + 3) >> 2;
+    reply.size = crtc->gammaSize;
+    if (client->swapped) {
+	swaps (&reply.sequenceNumber, n);
+	swapl (&reply.length, n);
+	swaps (&reply.size, n);
+    }
+    WriteToClient (client, sizeof (xRRGetCrtcGammaReply), (char *) &reply);
+    if (crtc->gammaSize)
+    {
+	memcpy(extra, crtc->gammaRed, len);
+	client->pSwapReplyFunc = (ReplySwapPtr)CopySwap16Write;
+	WriteSwappedDataToClient (client, len, extra);
+	xfree(extra);
+    }
+    return client->noClientException;
+}
+
+int
+ProcRRSetCrtcGamma (ClientPtr client)
+{
+    REQUEST(xRRSetCrtcGammaReq);
+    RRCrtcPtr			crtc;
+    unsigned long		len;
+    CARD16			*red, *green, *blue;
+    
+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcGammaReq);
+    crtc = LookupCrtc (client, stuff->crtc, DixWriteAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    len = client->req_len - (sizeof (xRRSetCrtcGammaReq) >> 2);
+    if (len < (stuff->size * 3 + 1) >> 1)
+	return BadLength;
+
+    if (stuff->size != crtc->gammaSize)
+	return BadMatch;
+    
+    red = (CARD16 *) (stuff + 1);
+    green = red + crtc->gammaSize;
+    blue = green + crtc->gammaSize;
+    
+    RRCrtcGammaSet (crtc, red, green, blue);
+
+    return Success;
+}
+

nx-X11/programs/Xserver/randr/rrcrtc.c.X.original

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+#include "swaprep.h"
+#include "registry.h"
+
+RESTYPE	RRCrtcType;
+
+/*
+ * Notify the CRTC of some change
+ */
+void
+RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged)
+{
+    ScreenPtr	pScreen = crtc->pScreen;
+
+    crtc->changed = TRUE;
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+    
+	pScrPriv->changed = TRUE;
+	/*
+	 * Send ConfigureNotify on any layout change
+	 */
+	if (layoutChanged)
+	    pScrPriv->layoutChanged = TRUE;
+    }
+}
+
+/*
+ * Create a CRTC
+ */
+RRCrtcPtr
+RRCrtcCreate (ScreenPtr pScreen, void *devPrivate)
+{
+    RRCrtcPtr	    crtc;
+    RRCrtcPtr	    *crtcs;
+    rrScrPrivPtr    pScrPriv;
+
+    if (!RRInit())
+	return NULL;
+    
+    pScrPriv = rrGetScrPriv(pScreen);
+
+    /* make space for the crtc pointer */
+    if (pScrPriv->numCrtcs)
+	crtcs = xrealloc (pScrPriv->crtcs, 
+			  (pScrPriv->numCrtcs + 1) * sizeof (RRCrtcPtr));
+    else
+	crtcs = xalloc (sizeof (RRCrtcPtr));
+    if (!crtcs)
+	return FALSE;
+    pScrPriv->crtcs = crtcs;
+    
+    crtc = xcalloc (1, sizeof (RRCrtcRec));
+    if (!crtc)
+	return NULL;
+    crtc->id = FakeClientID (0);
+    crtc->pScreen = pScreen;
+    crtc->mode = NULL;
+    crtc->x = 0;
+    crtc->y = 0;
+    crtc->rotation = RR_Rotate_0;
+    crtc->rotations = RR_Rotate_0;
+    crtc->outputs = NULL;
+    crtc->numOutputs = 0;
+    crtc->gammaSize = 0;
+    crtc->gammaRed = crtc->gammaBlue = crtc->gammaGreen = NULL;
+    crtc->changed = FALSE;
+    crtc->devPrivate = devPrivate;
+
+    if (!AddResource (crtc->id, RRCrtcType, (pointer) crtc))
+	return NULL;
+
+    /* attach the screen and crtc together */
+    crtc->pScreen = pScreen;
+    pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc;
+    
+    return crtc;
+}
+
+/*
+ * Set the allowed rotations on a CRTC
+ */
+void
+RRCrtcSetRotations (RRCrtcPtr crtc, Rotation rotations)
+{
+    crtc->rotations = rotations;
+}
+
+/*
+ * Notify the extension that the Crtc has been reconfigured,
+ * the driver calls this whenever it has updated the mode
+ */
+Bool
+RRCrtcNotify (RRCrtcPtr	    crtc,
+	      RRModePtr	    mode,
+	      int	    x,
+	      int	    y,
+	      Rotation	    rotation,
+	      int	    numOutputs,
+	      RROutputPtr   *outputs)
+{
+    int	    i, j;
+    
+    /*
+     * Check to see if any of the new outputs were
+     * not in the old list and mark them as changed
+     */
+    for (i = 0; i < numOutputs; i++)
+    {
+	for (j = 0; j < crtc->numOutputs; j++)
+	    if (outputs[i] == crtc->outputs[j])
+		break;
+	if (j == crtc->numOutputs)
+	{
+	    outputs[i]->crtc = crtc;
+	    RROutputChanged (outputs[i], FALSE);
+	    RRCrtcChanged (crtc, FALSE);
+	}
+    }
+    /*
+     * Check to see if any of the old outputs are
+     * not in the new list and mark them as changed
+     */
+    for (j = 0; j < crtc->numOutputs; j++)
+    {
+	for (i = 0; i < numOutputs; i++)
+	    if (outputs[i] == crtc->outputs[j])
+		break;
+	if (i == numOutputs)
+	{
+	    if (crtc->outputs[j]->crtc == crtc)
+		crtc->outputs[j]->crtc = NULL;
+	    RROutputChanged (crtc->outputs[j], FALSE);
+	    RRCrtcChanged (crtc, FALSE);
+	}
+    }
+    /*
+     * Reallocate the crtc output array if necessary
+     */
+    if (numOutputs != crtc->numOutputs)
+    {
+	RROutputPtr *newoutputs;
+	
+	if (numOutputs)
+	{
+	    if (crtc->numOutputs)
+		newoutputs = xrealloc (crtc->outputs,
+				    numOutputs * sizeof (RROutputPtr));
+	    else
+		newoutputs = xalloc (numOutputs * sizeof (RROutputPtr));
+	    if (!newoutputs)
+		return FALSE;
+	}
+	else
+	{
+	    if (crtc->outputs)
+		xfree (crtc->outputs);
+	    newoutputs = NULL;
+	}
+	crtc->outputs = newoutputs;
+	crtc->numOutputs = numOutputs;
+    }
+    /*
+     * Copy the new list of outputs into the crtc
+     */
+    memcpy (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr));
+    /*
+     * Update remaining crtc fields
+     */
+    if (mode != crtc->mode)
+    {
+	if (crtc->mode)
+	    RRModeDestroy (crtc->mode);
+	crtc->mode = mode;
+	if (mode != NULL)
+	    mode->refcnt++;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    if (x != crtc->x)
+    {
+	crtc->x = x;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    if (y != crtc->y)
+    {
+	crtc->y = y;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    if (rotation != crtc->rotation)
+    {
+	crtc->rotation = rotation;
+	RRCrtcChanged (crtc, TRUE);
+    }
+    return TRUE;
+}
+
+void
+RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc)
+{
+    ScreenPtr pScreen = pWin->drawable.pScreen;
+    rrScrPriv (pScreen);
+    xRRCrtcChangeNotifyEvent	ce;
+    RRModePtr	mode = crtc->mode;
+    
+    ce.type = RRNotify + RREventBase;
+    ce.subCode = RRNotify_CrtcChange;
+    ce.sequenceNumber = client->sequence;
+    ce.timestamp = pScrPriv->lastSetTime.milliseconds;
+    ce.window = pWin->drawable.id;
+    ce.crtc = crtc->id;
+    ce.rotation = crtc->rotation;
+    if (mode)
+    {
+	ce.mode = mode->mode.id;
+	ce.x = crtc->x;
+	ce.y = crtc->y;
+	ce.width = mode->mode.width;
+	ce.height = mode->mode.height;
+    }
+    else
+    {
+	ce.mode = None;
+	ce.x = 0;
+	ce.y = 0;
+	ce.width = 0;
+	ce.height = 0;
+    }
+    WriteEventsToClient (client, 1, (xEvent *) &ce);
+}
+
+static Bool
+RRCrtcPendingProperties (RRCrtcPtr crtc)
+{
+    ScreenPtr	pScreen = crtc->pScreen;
+    rrScrPriv(pScreen);
+    int		o;
+
+    for (o = 0; o < pScrPriv->numOutputs; o++)
+    {
+	RROutputPtr output = pScrPriv->outputs[o];
+	if (output->crtc == crtc && output->pendingProperties)
+	    return TRUE;
+    }
+    return FALSE;
+}
+
+/*
+ * Request that the Crtc be reconfigured
+ */
+Bool
+RRCrtcSet (RRCrtcPtr    crtc,
+	   RRModePtr	mode,
+	   int		x,
+	   int		y,
+	   Rotation	rotation,
+	   int		numOutputs,
+	   RROutputPtr  *outputs)
+{
+    ScreenPtr	pScreen = crtc->pScreen;
+    Bool	ret = FALSE;
+    rrScrPriv(pScreen);
+
+    /* See if nothing changed */
+    if (crtc->mode == mode &&
+	crtc->x == x &&
+	crtc->y == y &&
+	crtc->rotation == rotation &&
+	crtc->numOutputs == numOutputs &&
+	!memcmp (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr)) &&
+	!RRCrtcPendingProperties (crtc))
+    {
+	ret = TRUE;
+    }
+    else
+    {
+#if RANDR_12_INTERFACE
+	if (pScrPriv->rrCrtcSet)
+	{
+	    ret = (*pScrPriv->rrCrtcSet) (pScreen, crtc, mode, x, y, 
+					  rotation, numOutputs, outputs);
+	}
+	else
+#endif
+	{
+#if RANDR_10_INTERFACE
+	    if (pScrPriv->rrSetConfig)
+	    {
+		RRScreenSize	    size;
+		RRScreenRate	    rate;
+
+		if (!mode)
+		{
+		    RRCrtcNotify (crtc, NULL, x, y, rotation, 0, NULL);
+		    ret = TRUE;
+		}
+		else
+		{
+		    size.width = mode->mode.width;
+		    size.height = mode->mode.height;
+		    if (outputs[0]->mmWidth && outputs[0]->mmHeight)
+		    {
+			size.mmWidth = outputs[0]->mmWidth;
+			size.mmHeight = outputs[0]->mmHeight;
+		    }
+		    else
+		    {
+			size.mmWidth = pScreen->mmWidth;
+			size.mmHeight = pScreen->mmHeight;
+		    }
+		    size.nRates = 1;
+		    rate.rate = RRVerticalRefresh (&mode->mode);
+		    size.pRates = &rate;
+		    ret = (*pScrPriv->rrSetConfig) (pScreen, rotation, rate.rate, &size);
+		    /*
+		     * Old 1.0 interface tied screen size to mode size
+		     */
+		    if (ret)
+		    {
+			RRCrtcNotify (crtc, mode, x, y, rotation, 1, outputs);
+			RRScreenSizeNotify (pScreen);
+		    }
+		}
+	    }
+#endif
+	}
+	if (ret)
+	{
+	    int	o;
+	    RRTellChanged (pScreen);
+
+	    for (o = 0; o < numOutputs; o++)
+		RRPostPendingProperties (outputs[o]);
+	}
+    }
+    return ret;
+}
+
+/*
+ * Destroy a Crtc at shutdown
+ */
+void
+RRCrtcDestroy (RRCrtcPtr crtc)
+{
+    FreeResource (crtc->id, 0);
+}
+
+static int
+RRCrtcDestroyResource (pointer value, XID pid)
+{
+    RRCrtcPtr	crtc = (RRCrtcPtr) value;
+    ScreenPtr	pScreen = crtc->pScreen;
+
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+	int		i;
+    
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	{
+	    if (pScrPriv->crtcs[i] == crtc)
+	    {
+		memmove (pScrPriv->crtcs + i, pScrPriv->crtcs + i + 1,
+			 (pScrPriv->numCrtcs - (i + 1)) * sizeof (RRCrtcPtr));
+		--pScrPriv->numCrtcs;
+		break;
+	    }
+	}
+    }
+    if (crtc->gammaRed)
+	xfree (crtc->gammaRed);
+    if (crtc->mode)
+	RRModeDestroy (crtc->mode);
+    xfree (crtc);
+    return 1;
+}
+
+/*
+ * Request that the Crtc gamma be changed
+ */
+
+Bool
+RRCrtcGammaSet (RRCrtcPtr   crtc,
+		CARD16	    *red,
+		CARD16	    *green,
+		CARD16	    *blue)
+{
+    Bool	ret = TRUE;
+#if RANDR_12_INTERFACE
+    ScreenPtr	pScreen = crtc->pScreen;
+#endif
+    
+    memcpy (crtc->gammaRed, red, crtc->gammaSize * sizeof (CARD16));
+    memcpy (crtc->gammaGreen, green, crtc->gammaSize * sizeof (CARD16));
+    memcpy (crtc->gammaBlue, blue, crtc->gammaSize * sizeof (CARD16));
+#if RANDR_12_INTERFACE
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+	if (pScrPriv->rrCrtcSetGamma)
+	    ret = (*pScrPriv->rrCrtcSetGamma) (pScreen, crtc);
+    }
+#endif
+    return ret;
+}
+
+/*
+ * Notify the extension that the Crtc gamma has been changed
+ * The driver calls this whenever it has changed the gamma values
+ * in the RRCrtcRec
+ */
+
+Bool
+RRCrtcGammaNotify (RRCrtcPtr	crtc)
+{
+    return TRUE;    /* not much going on here */
+}
+
+/**
+ * Returns the width/height that the crtc scans out from the framebuffer
+ */
+void
+RRCrtcGetScanoutSize(RRCrtcPtr crtc, int *width, int *height)
+{
+    if (crtc->mode == NULL) {
+	*width = 0;
+	*height = 0;
+	return;
+    }
+
+    switch (crtc->rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_180:
+	*width = crtc->mode->mode.width;
+	*height = crtc->mode->mode.height;
+	break;
+    case RR_Rotate_90:
+    case RR_Rotate_270:
+	*width = crtc->mode->mode.height;
+	*height = crtc->mode->mode.width;
+	break;
+    }
+}
+
+/*
+ * Set the size of the gamma table at server startup time
+ */
+
+Bool
+RRCrtcGammaSetSize (RRCrtcPtr	crtc,
+		    int		size)
+{
+    CARD16  *gamma;
+
+    if (size == crtc->gammaSize)
+	return TRUE;
+    if (size)
+    {
+	gamma = xalloc (size * 3 * sizeof (CARD16));
+	if (!gamma)
+	    return FALSE;
+    }
+    else
+	gamma = NULL;
+    if (crtc->gammaRed)
+	xfree (crtc->gammaRed);
+    crtc->gammaRed = gamma;
+    crtc->gammaGreen = gamma + size;
+    crtc->gammaBlue = gamma + size*2;
+    crtc->gammaSize = size;
+    return TRUE;
+}
+
+/*
+ * Initialize crtc type
+ */
+Bool
+RRCrtcInit (void)
+{
+    RRCrtcType = CreateNewResourceType (RRCrtcDestroyResource);
+    if (!RRCrtcType)
+	return FALSE;
+    RegisterResourceName (RRCrtcType, "CRTC");
+    return TRUE;
+}
+
+int
+ProcRRGetCrtcInfo (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcInfoReq);
+    xRRGetCrtcInfoReply	rep;
+    RRCrtcPtr			crtc;
+    CARD8			*extra;
+    unsigned long		extraLen;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    RRModePtr			mode;
+    RROutput			*outputs;
+    RROutput			*possible;
+    int				i, j, k, n;
+    int				width, height;
+    
+    REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq);
+    crtc = LookupCrtc(client, stuff->crtc, DixReadAccess);
+
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+
+    /* All crtcs must be associated with screens before client
+     * requests are processed
+     */
+    pScreen = crtc->pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+
+    mode = crtc->mode;
+    
+    rep.type = X_Reply;
+    rep.status = RRSetConfigSuccess;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+    rep.x = crtc->x;
+    rep.y = crtc->y;
+    RRCrtcGetScanoutSize (crtc, &width, &height);
+    rep.width = width;
+    rep.height = height;
+    rep.mode = mode ? mode->mode.id : 0;
+    rep.rotation = crtc->rotation;
+    rep.rotations = crtc->rotations;
+    rep.nOutput = crtc->numOutputs;
+    k = 0;
+    for (i = 0; i < pScrPriv->numOutputs; i++)
+	for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
+	    if (pScrPriv->outputs[i]->crtcs[j] == crtc)
+		k++;
+    rep.nPossibleOutput = k;
+    
+    rep.length = rep.nOutput + rep.nPossibleOutput;
+
+    extraLen = rep.length << 2;
+    if (extraLen)
+    {
+	extra = xalloc (extraLen);
+	if (!extra)
+	    return BadAlloc;
+    }
+    else
+	extra = NULL;
+
+    outputs = (RROutput *) extra;
+    possible = (RROutput *) (outputs + rep.nOutput);
+    
+    for (i = 0; i < crtc->numOutputs; i++)
+    {
+	outputs[i] = crtc->outputs[i]->id;
+	if (client->swapped)
+	    swapl (&outputs[i], n);
+    }
+    k = 0;
+    for (i = 0; i < pScrPriv->numOutputs; i++)
+	for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
+	    if (pScrPriv->outputs[i]->crtcs[j] == crtc)
+	    {
+		possible[k] = pScrPriv->outputs[i]->id;
+		if (client->swapped)
+		    swapl (&possible[k], n);
+		k++;
+	    }
+    
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swaps(&rep.x, n);
+	swaps(&rep.y, n);
+	swaps(&rep.width, n);
+	swaps(&rep.height, n);
+	swapl(&rep.mode, n);
+	swaps(&rep.rotation, n);
+	swaps(&rep.rotations, n);
+	swaps(&rep.nOutput, n);
+	swaps(&rep.nPossibleOutput, n);
+    }
+    WriteToClient(client, sizeof(xRRGetCrtcInfoReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    
+    return client->noClientException;
+}
+
+int
+ProcRRSetCrtcConfig (ClientPtr client)
+{
+    REQUEST(xRRSetCrtcConfigReq);
+    xRRSetCrtcConfigReply   rep;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    RRCrtcPtr		    crtc;
+    RRModePtr		    mode;
+    int			    numOutputs;
+    RROutputPtr		    *outputs = NULL;
+    RROutput		    *outputIds;
+    TimeStamp		    configTime;
+    TimeStamp		    time;
+    Rotation		    rotation;
+    int			    i, j;
+    
+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq);
+    numOutputs = (stuff->length - (SIZEOF (xRRSetCrtcConfigReq) >> 2));
+    
+    crtc = LookupIDByType (stuff->crtc, RRCrtcType);
+    if (!crtc)
+    {
+	client->errorValue = stuff->crtc;
+	return RRErrorBase + BadRRCrtc;
+    }
+    if (stuff->mode == None)
+    {
+	mode = NULL;
+	if (numOutputs > 0)
+	    return BadMatch;
+    }
+    else
+    {
+	mode = LookupIDByType (stuff->mode, RRModeType);
+	if (!mode)
+	{
+	    client->errorValue = stuff->mode;
+	    return RRErrorBase + BadRRMode;
+	}
+	if (numOutputs == 0)
+	    return BadMatch;
+    }
+    if (numOutputs)
+    {
+	outputs = xalloc (numOutputs * sizeof (RROutputPtr));
+	if (!outputs)
+	    return BadAlloc;
+    }
+    else
+	outputs = NULL;
+    
+    outputIds = (RROutput *) (stuff + 1);
+    for (i = 0; i < numOutputs; i++)
+    {
+	outputs[i] = (RROutputPtr) LookupIDByType (outputIds[i], RROutputType);
+	if (!outputs[i])
+	{
+	    client->errorValue = outputIds[i];
+	    if (outputs)
+		xfree (outputs);
+	    return RRErrorBase + BadRROutput;
+	}
+	/* validate crtc for this output */
+	for (j = 0; j < outputs[i]->numCrtcs; j++)
+	    if (outputs[i]->crtcs[j] == crtc)
+		break;
+	if (j == outputs[i]->numCrtcs)
+	{
+	    if (outputs)
+		xfree (outputs);
+	    return BadMatch;
+	}
+	/* validate mode for this output */
+	for (j = 0; j < outputs[i]->numModes + outputs[i]->numUserModes; j++)
+	{
+	    RRModePtr	m = (j < outputs[i]->numModes ? 
+			     outputs[i]->modes[j] :
+			     outputs[i]->userModes[j - outputs[i]->numModes]);
+	    if (m == mode)
+		break;
+	}
+	if (j == outputs[i]->numModes + outputs[i]->numUserModes)
+	{
+	    if (outputs)
+		xfree (outputs);
+	    return BadMatch;
+	}
+    }
+    /* validate clones */
+    for (i = 0; i < numOutputs; i++)
+    {
+	for (j = 0; j < numOutputs; j++)
+	{
+	    int k;
+	    if (i == j)
+		continue;
+	    for (k = 0; k < outputs[i]->numClones; k++)
+	    {
+		if (outputs[i]->clones[k] == outputs[j])
+		    break;
+	    }
+	    if (k == outputs[i]->numClones)
+	    {
+		if (outputs)
+		    xfree (outputs);
+		return BadMatch;
+	    }
+	}
+    }
+
+    pScreen = crtc->pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    time = ClientTimeToServerTime(stuff->timestamp);
+    configTime = ClientTimeToServerTime(stuff->configTimestamp);
+    
+    if (!pScrPriv)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    
+#if 0
+    /*
+     * if the client's config timestamp is not the same as the last config
+     * timestamp, then the config information isn't up-to-date and
+     * can't even be validated
+     */
+    if (CompareTimeStamps (configTime, pScrPriv->lastConfigTime) != 0)
+    {
+	rep.status = RRSetConfigInvalidConfigTime;
+	goto sendReply;
+    }
+#endif
+    
+    /*
+     * Validate requested rotation
+     */
+    rotation = (Rotation) stuff->rotation;
+
+    /* test the rotation bits only! */
+    switch (rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_90:
+    case RR_Rotate_180:
+    case RR_Rotate_270:
+	break;
+    default:
+	/*
+	 * Invalid rotation
+	 */
+	client->errorValue = stuff->rotation;
+	if (outputs)
+	    xfree (outputs);
+	return BadValue;
+    }
+
+    if (mode)
+    {
+	if ((~crtc->rotations) & rotation)
+	{
+	    /*
+	     * requested rotation or reflection not supported by screen
+	     */
+	    client->errorValue = stuff->rotation;
+	    if (outputs)
+		xfree (outputs);
+	    return BadMatch;
+	}
+    
+#ifdef RANDR_12_INTERFACE
+	/*
+	 * Check screen size bounds if the DDX provides a 1.2 interface
+	 * for setting screen size. Else, assume the CrtcSet sets
+	 * the size along with the mode
+	 */
+	if (pScrPriv->rrScreenSetSize)
+	{
+	    int source_width = mode->mode.width;
+	    int	source_height = mode->mode.height;
+
+	    if ((rotation & 0xf) == RR_Rotate_90 || (rotation & 0xf) == RR_Rotate_270)
+	    {
+		source_width = mode->mode.height;
+		source_height = mode->mode.width;
+	    }
+	    if (stuff->x + source_width > pScreen->width)
+	    {
+		client->errorValue = stuff->x;
+		if (outputs)
+		    xfree (outputs);
+		return BadValue;
+	    }
+	    
+	    if (stuff->y + source_height > pScreen->height)
+	    {
+		client->errorValue = stuff->y;
+		if (outputs)
+		    xfree (outputs);
+		return BadValue;
+	    }
+	}
+#endif
+    }
+    
+    /*
+     * Make sure the requested set-time is not older than
+     * the last set-time
+     */
+    if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0)
+    {
+	rep.status = RRSetConfigInvalidTime;
+	goto sendReply;
+    }
+
+    if (!RRCrtcSet (crtc, mode, stuff->x, stuff->y,
+		   rotation, numOutputs, outputs))
+    {
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    rep.status = RRSetConfigSuccess;
+    
+sendReply:
+    if (outputs)
+	xfree (outputs);
+    
+    rep.type = X_Reply;
+    /* rep.status has already been filled in */
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.newTimestamp = pScrPriv->lastConfigTime.milliseconds;
+
+    if (client->swapped) 
+    {
+	int n;
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.newTimestamp, n);
+    }
+    WriteToClient(client, sizeof(xRRSetCrtcConfigReply), (char *)&rep);
+    
+    return client->noClientException;
+}
+
+int
+ProcRRGetCrtcGammaSize (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcGammaSizeReq);
+    xRRGetCrtcGammaSizeReply	reply;
+    RRCrtcPtr			crtc;
+    int				n;
+
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq);
+    crtc = LookupCrtc (client, stuff->crtc, DixReadAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    reply.type = X_Reply;
+    reply.sequenceNumber = client->sequence;
+    reply.length = 0;
+    reply.size = crtc->gammaSize;
+    if (client->swapped) {
+	swaps (&reply.sequenceNumber, n);
+	swapl (&reply.length, n);
+	swaps (&reply.size, n);
+    }
+    WriteToClient (client, sizeof (xRRGetCrtcGammaSizeReply), (char *) &reply);
+    return client->noClientException;
+}
+
+int
+ProcRRGetCrtcGamma (ClientPtr client)
+{
+    REQUEST(xRRGetCrtcGammaReq);
+    xRRGetCrtcGammaReply	reply;
+    RRCrtcPtr			crtc;
+    int				n;
+    unsigned long		len;
+    char			*extra;
+    
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq);
+    crtc = LookupCrtc (client, stuff->crtc, DixReadAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    len = crtc->gammaSize * 3 * 2;
+    
+    if (crtc->gammaSize) {
+	extra = xalloc(len);
+	if (!extra)
+	    return BadAlloc;
+    }
+
+    reply.type = X_Reply;
+    reply.sequenceNumber = client->sequence;
+    reply.length = (len + 3) >> 2;
+    reply.size = crtc->gammaSize;
+    if (client->swapped) {
+	swaps (&reply.sequenceNumber, n);
+	swapl (&reply.length, n);
+	swaps (&reply.size, n);
+    }
+    WriteToClient (client, sizeof (xRRGetCrtcGammaReply), (char *) &reply);
+    if (crtc->gammaSize)
+    {
+	memcpy(extra, crtc->gammaRed, len);
+	client->pSwapReplyFunc = (ReplySwapPtr)CopySwap16Write;
+	WriteSwappedDataToClient (client, len, extra);
+	xfree(extra);
+    }
+    return client->noClientException;
+}
+
+int
+ProcRRSetCrtcGamma (ClientPtr client)
+{
+    REQUEST(xRRSetCrtcGammaReq);
+    RRCrtcPtr			crtc;
+    unsigned long		len;
+    CARD16			*red, *green, *blue;
+    
+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcGammaReq);
+    crtc = LookupCrtc (client, stuff->crtc, DixWriteAccess);
+    if (!crtc)
+	return RRErrorBase + BadRRCrtc;
+    
+    len = client->req_len - (sizeof (xRRSetCrtcGammaReq) >> 2);
+    if (len < (stuff->size * 3 + 1) >> 1)
+	return BadLength;
+
+    if (stuff->size != crtc->gammaSize)
+	return BadMatch;
+    
+    red = (CARD16 *) (stuff + 1);
+    green = red + crtc->gammaSize;
+    blue = green + crtc->gammaSize;
+    
+    RRCrtcGammaSet (crtc, red, green, blue);
+
+    return Success;
+}
+

nx-X11/programs/Xserver/randr/rrdispatch.c

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+
+#define SERVER_RANDR_MAJOR	1
+#define SERVER_RANDR_MINOR	2
+
+Bool
+RRClientKnowsRates (ClientPtr	pClient)
+{
+    rrClientPriv(pClient);
+
+    return (pRRClient->major_version > 1 ||
+	    (pRRClient->major_version == 1 && pRRClient->minor_version >= 1));
+}
+
+static int
+ProcRRQueryVersion (ClientPtr client)
+{
+    xRRQueryVersionReply rep;
+    register int n;
+    REQUEST(xRRQueryVersionReq);
+    rrClientPriv(client);
+
+    REQUEST_SIZE_MATCH(xRRQueryVersionReq);
+    pRRClient->major_version = stuff->majorVersion;
+    pRRClient->minor_version = stuff->minorVersion;
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    /*
+     * Report the current version; the current
+     * spec says they're all compatible after 1.0
+     */
+    rep.majorVersion = SERVER_RANDR_MAJOR;
+    rep.minorVersion = SERVER_RANDR_MINOR;
+    if (client->swapped) {
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.majorVersion, n);
+	swapl(&rep.minorVersion, n);
+    }
+    WriteToClient(client, sizeof(xRRQueryVersionReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+static int
+ProcRRSelectInput (ClientPtr client)
+{
+    REQUEST(xRRSelectInputReq);
+    rrClientPriv(client);
+    RRTimesPtr	pTimes;
+    WindowPtr	pWin;
+    RREventPtr	pRREvent, *pHead;
+    XID		clientResource;
+    int		rc;
+
+    REQUEST_SIZE_MATCH(xRRSelectInputReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityWriteAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+    pHead = (RREventPtr *)SecurityLookupIDByType(client,
+						 pWin->drawable.id, RREventType,
+						 DixWriteAccess);
+
+    if (stuff->enable & (RRScreenChangeNotifyMask|
+			 RRCrtcChangeNotifyMask|
+			 RROutputChangeNotifyMask)) 
+    {
+	ScreenPtr	pScreen = pWin->drawable.pScreen;
+	rrScrPriv	(pScreen);
+
+	pRREvent = NULL;
+	if (pHead) 
+	{
+	    /* check for existing entry. */
+	    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next)
+		if (pRREvent->client == client)
+		    break;
+	}
+
+	if (!pRREvent)
+	{
+	    /* build the entry */
+	    pRREvent = (RREventPtr) xalloc (sizeof (RREventRec));
+	    if (!pRREvent)
+		return BadAlloc;
+	    pRREvent->next = 0;
+	    pRREvent->client = client;
+	    pRREvent->window = pWin;
+	    pRREvent->mask = stuff->enable;
+	    /*
+	     * add a resource that will be deleted when
+	     * the client goes away
+	     */
+	    clientResource = FakeClientID (client->index);
+	    pRREvent->clientResource = clientResource;
+	    if (!AddResource (clientResource, RRClientType, (pointer)pRREvent))
+		return BadAlloc;
+	    /*
+	     * create a resource to contain a pointer to the list
+	     * of clients selecting input.  This must be indirect as
+	     * the list may be arbitrarily rearranged which cannot be
+	     * done through the resource database.
+	     */
+	    if (!pHead)
+	    {
+		pHead = (RREventPtr *) xalloc (sizeof (RREventPtr));
+		if (!pHead ||
+		    !AddResource (pWin->drawable.id, RREventType, (pointer)pHead))
+		{
+		    FreeResource (clientResource, RT_NONE);
+		    return BadAlloc;
+		}
+		*pHead = 0;
+	    }
+	    pRREvent->next = *pHead;
+	    *pHead = pRREvent;
+	}
+	/*
+	 * Now see if the client needs an event
+	 */
+	if (pScrPriv && (pRREvent->mask & RRScreenChangeNotifyMask))
+	{
+	    pTimes = &((RRTimesPtr) (pRRClient + 1))[pScreen->myNum];
+	    if (CompareTimeStamps (pTimes->setTime, 
+				   pScrPriv->lastSetTime) != 0 ||
+		CompareTimeStamps (pTimes->configTime, 
+				   pScrPriv->lastConfigTime) != 0)
+	    {
+		RRDeliverScreenEvent (client, pWin, pScreen);
+	    }
+	}
+    }
+    else if (stuff->enable == 0) 
+    {
+	/* delete the interest */
+	if (pHead) {
+	    RREventPtr pNewRREvent = 0;
+	    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) {
+		if (pRREvent->client == client)
+		    break;
+		pNewRREvent = pRREvent;
+	    }
+	    if (pRREvent) {
+		FreeResource (pRREvent->clientResource, RRClientType);
+		if (pNewRREvent)
+		    pNewRREvent->next = pRREvent->next;
+		else
+		    *pHead = pRREvent->next;
+		xfree (pRREvent);
+	    }
+	}
+    }
+    else 
+    {
+	client->errorValue = stuff->enable;
+	return BadValue;
+    }
+    return Success;
+}
+
+int (*ProcRandrVector[RRNumberRequests])(ClientPtr) = {
+    ProcRRQueryVersion,	/* 0 */
+/* we skip 1 to make old clients fail pretty immediately */
+    NULL,			/* 1 ProcRandrOldGetScreenInfo */
+/* V1.0 apps share the same set screen config request id */
+    ProcRRSetScreenConfig,	/* 2 */
+    NULL,			/* 3 ProcRandrOldScreenChangeSelectInput */
+/* 3 used to be ScreenChangeSelectInput; deprecated */
+    ProcRRSelectInput,		/* 4 */
+    ProcRRGetScreenInfo,    	/* 5 */
+/* V1.2 additions */
+    ProcRRGetScreenSizeRange,	/* 6 */
+    ProcRRSetScreenSize,	/* 7 */
+    ProcRRGetScreenResources,	/* 8 */
+    ProcRRGetOutputInfo,	/* 9 */
+    ProcRRListOutputProperties,	/* 10 */
+    ProcRRQueryOutputProperty,	/* 11 */
+    ProcRRConfigureOutputProperty,  /* 12 */
+    ProcRRChangeOutputProperty,	/* 13 */
+    ProcRRDeleteOutputProperty,	/* 14 */
+    ProcRRGetOutputProperty,	/* 15 */
+    ProcRRCreateMode,		/* 16 */
+    ProcRRDestroyMode,		/* 17 */
+    ProcRRAddOutputMode,	/* 18 */
+    ProcRRDeleteOutputMode,	/* 19 */
+    ProcRRGetCrtcInfo,		/* 20 */
+    ProcRRSetCrtcConfig,	/* 21 */
+    ProcRRGetCrtcGammaSize,	/* 22 */
+    ProcRRGetCrtcGamma,		/* 23 */
+    ProcRRSetCrtcGamma,		/* 24 */
+};
+

nx-X11/programs/Xserver/randr/rrdispatch.c.X.original

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+
+#define SERVER_RANDR_MAJOR	1
+#define SERVER_RANDR_MINOR	2
+
+Bool
+RRClientKnowsRates (ClientPtr	pClient)
+{
+    rrClientPriv(pClient);
+
+    return (pRRClient->major_version > 1 ||
+	    (pRRClient->major_version == 1 && pRRClient->minor_version >= 1));
+}
+
+static int
+ProcRRQueryVersion (ClientPtr client)
+{
+    xRRQueryVersionReply rep;
+    register int n;
+    REQUEST(xRRQueryVersionReq);
+    rrClientPriv(client);
+
+    REQUEST_SIZE_MATCH(xRRQueryVersionReq);
+    pRRClient->major_version = stuff->majorVersion;
+    pRRClient->minor_version = stuff->minorVersion;
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    /*
+     * Report the current version; the current
+     * spec says they're all compatible after 1.0
+     */
+    rep.majorVersion = SERVER_RANDR_MAJOR;
+    rep.minorVersion = SERVER_RANDR_MINOR;
+    if (client->swapped) {
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.majorVersion, n);
+	swapl(&rep.minorVersion, n);
+    }
+    WriteToClient(client, sizeof(xRRQueryVersionReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+static int
+ProcRRSelectInput (ClientPtr client)
+{
+    REQUEST(xRRSelectInputReq);
+    rrClientPriv(client);
+    RRTimesPtr	pTimes;
+    WindowPtr	pWin;
+    RREventPtr	pRREvent, *pHead;
+    XID		clientResource;
+    int		rc;
+
+    REQUEST_SIZE_MATCH(xRRSelectInputReq);
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess);
+    if (rc != Success)
+	return rc;
+    pHead = (RREventPtr *)SecurityLookupIDByType(client,
+						 pWin->drawable.id, RREventType,
+						 DixWriteAccess);
+
+    if (stuff->enable & (RRScreenChangeNotifyMask|
+			 RRCrtcChangeNotifyMask|
+			 RROutputChangeNotifyMask)) 
+    {
+	ScreenPtr	pScreen = pWin->drawable.pScreen;
+	rrScrPriv	(pScreen);
+
+	pRREvent = NULL;
+	if (pHead) 
+	{
+	    /* check for existing entry. */
+	    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next)
+		if (pRREvent->client == client)
+		    break;
+	}
+
+	if (!pRREvent)
+	{
+	    /* build the entry */
+	    pRREvent = (RREventPtr) xalloc (sizeof (RREventRec));
+	    if (!pRREvent)
+		return BadAlloc;
+	    pRREvent->next = 0;
+	    pRREvent->client = client;
+	    pRREvent->window = pWin;
+	    pRREvent->mask = stuff->enable;
+	    /*
+	     * add a resource that will be deleted when
+	     * the client goes away
+	     */
+	    clientResource = FakeClientID (client->index);
+	    pRREvent->clientResource = clientResource;
+	    if (!AddResource (clientResource, RRClientType, (pointer)pRREvent))
+		return BadAlloc;
+	    /*
+	     * create a resource to contain a pointer to the list
+	     * of clients selecting input.  This must be indirect as
+	     * the list may be arbitrarily rearranged which cannot be
+	     * done through the resource database.
+	     */
+	    if (!pHead)
+	    {
+		pHead = (RREventPtr *) xalloc (sizeof (RREventPtr));
+		if (!pHead ||
+		    !AddResource (pWin->drawable.id, RREventType, (pointer)pHead))
+		{
+		    FreeResource (clientResource, RT_NONE);
+		    return BadAlloc;
+		}
+		*pHead = 0;
+	    }
+	    pRREvent->next = *pHead;
+	    *pHead = pRREvent;
+	}
+	/*
+	 * Now see if the client needs an event
+	 */
+	if (pScrPriv && (pRREvent->mask & RRScreenChangeNotifyMask))
+	{
+	    pTimes = &((RRTimesPtr) (pRRClient + 1))[pScreen->myNum];
+	    if (CompareTimeStamps (pTimes->setTime, 
+				   pScrPriv->lastSetTime) != 0 ||
+		CompareTimeStamps (pTimes->configTime, 
+				   pScrPriv->lastConfigTime) != 0)
+	    {
+		RRDeliverScreenEvent (client, pWin, pScreen);
+	    }
+	}
+    }
+    else if (stuff->enable == 0) 
+    {
+	/* delete the interest */
+	if (pHead) {
+	    RREventPtr pNewRREvent = 0;
+	    for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) {
+		if (pRREvent->client == client)
+		    break;
+		pNewRREvent = pRREvent;
+	    }
+	    if (pRREvent) {
+		FreeResource (pRREvent->clientResource, RRClientType);
+		if (pNewRREvent)
+		    pNewRREvent->next = pRREvent->next;
+		else
+		    *pHead = pRREvent->next;
+		xfree (pRREvent);
+	    }
+	}
+    }
+    else 
+    {
+	client->errorValue = stuff->enable;
+	return BadValue;
+    }
+    return Success;
+}
+
+int (*ProcRandrVector[RRNumberRequests])(ClientPtr) = {
+    ProcRRQueryVersion,	/* 0 */
+/* we skip 1 to make old clients fail pretty immediately */
+    NULL,			/* 1 ProcRandrOldGetScreenInfo */
+/* V1.0 apps share the same set screen config request id */
+    ProcRRSetScreenConfig,	/* 2 */
+    NULL,			/* 3 ProcRandrOldScreenChangeSelectInput */
+/* 3 used to be ScreenChangeSelectInput; deprecated */
+    ProcRRSelectInput,		/* 4 */
+    ProcRRGetScreenInfo,    	/* 5 */
+/* V1.2 additions */
+    ProcRRGetScreenSizeRange,	/* 6 */
+    ProcRRSetScreenSize,	/* 7 */
+    ProcRRGetScreenResources,	/* 8 */
+    ProcRRGetOutputInfo,	/* 9 */
+    ProcRRListOutputProperties,	/* 10 */
+    ProcRRQueryOutputProperty,	/* 11 */
+    ProcRRConfigureOutputProperty,  /* 12 */
+    ProcRRChangeOutputProperty,	/* 13 */
+    ProcRRDeleteOutputProperty,	/* 14 */
+    ProcRRGetOutputProperty,	/* 15 */
+    ProcRRCreateMode,		/* 16 */
+    ProcRRDestroyMode,		/* 17 */
+    ProcRRAddOutputMode,	/* 18 */
+    ProcRRDeleteOutputMode,	/* 19 */
+    ProcRRGetCrtcInfo,		/* 20 */
+    ProcRRSetCrtcConfig,	/* 21 */
+    ProcRRGetCrtcGammaSize,	/* 22 */
+    ProcRRGetCrtcGamma,		/* 23 */
+    ProcRRSetCrtcGamma,		/* 24 */
+};
+

nx-X11/programs/Xserver/randr/rrinfo.c

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+
+#ifdef RANDR_10_INTERFACE
+static RRModePtr
+RROldModeAdd (RROutputPtr output, RRScreenSizePtr size, int refresh)
+{
+    ScreenPtr	pScreen = output->pScreen;
+    rrScrPriv(pScreen);
+    xRRModeInfo	modeInfo;
+    char	name[100];
+    RRModePtr	mode;
+    int		i;
+    RRModePtr   *modes;
+    
+    memset (&modeInfo, '\0', sizeof (modeInfo));
+    sprintf (name, "%dx%d", size->width, size->height);
+    
+    modeInfo.width = size->width;
+    modeInfo.height = size->height;
+    modeInfo.hTotal = size->width;
+    modeInfo.vTotal = size->height;
+    modeInfo.dotClock = ((CARD32) size->width * (CARD32) size->height *
+			 (CARD32) refresh);
+    modeInfo.nameLength = strlen (name);
+    mode = RRModeGet (&modeInfo, name);
+    if (!mode)
+	return NULL;
+    for (i = 0; i < output->numModes; i++)
+	if (output->modes[i] == mode)
+	{
+	    RRModeDestroy (mode);
+	    return mode;
+	}
+    
+    if (output->numModes)
+	modes = xrealloc (output->modes, 
+			  (output->numModes + 1) * sizeof (RRModePtr));
+    else
+	modes = xalloc (sizeof (RRModePtr));
+    if (!modes)
+    {
+	RRModeDestroy (mode);
+	FreeResource (mode->mode.id, 0);
+	return NULL;
+    }
+    modes[output->numModes++] = mode;
+    output->modes = modes;
+    output->changed = TRUE;
+    pScrPriv->changed = TRUE;
+    pScrPriv->configChanged = TRUE;
+    return mode;
+}
+
+static void
+RRScanOldConfig (ScreenPtr pScreen, Rotation rotations)
+{
+    rrScrPriv(pScreen);
+    RROutputPtr	output;
+    RRCrtcPtr	crtc;
+    RRModePtr	mode, newMode = NULL;
+    int		i;
+    CARD16	minWidth = MAXSHORT, minHeight = MAXSHORT;
+    CARD16	maxWidth = 0, maxHeight = 0;
+    
+    /*
+     * First time through, create a crtc and output and hook
+     * them together
+     */
+    if (pScrPriv->numOutputs == 0 &&
+	pScrPriv->numCrtcs == 0)
+    {
+	crtc = RRCrtcCreate (pScreen, NULL);
+	if (!crtc)
+	    return;
+	output = RROutputCreate (pScreen, "default", 7, NULL);
+	if (!output)
+	    return;
+	RROutputSetCrtcs (output, &crtc, 1);
+	RROutputSetConnection (output, RR_Connected);
+#ifdef RENDER
+	RROutputSetSubpixelOrder (output, PictureGetSubpixelOrder (pScreen));
+#endif
+    }
+
+    output = pScrPriv->outputs[0];
+    if (!output)
+	return;
+    crtc = pScrPriv->crtcs[0];
+    if (!crtc)
+	return;
+
+    /* check rotations */
+    if (rotations != crtc->rotations)
+    {
+        crtc->rotations = rotations;
+	crtc->changed = TRUE;
+	pScrPriv->changed = TRUE;
+    }
+	
+    /* regenerate mode list */
+    for (i = 0; i < pScrPriv->nSizes; i++)
+    {
+	RRScreenSizePtr	size = &pScrPriv->pSizes[i];
+	int		r;
+
+	if (size->nRates)
+	{
+	    for (r = 0; r < size->nRates; r++)
+	    {
+		mode = RROldModeAdd (output, size, size->pRates[r].rate);
+		if (i == pScrPriv->size && 
+		    size->pRates[r].rate == pScrPriv->rate)
+		{
+		    newMode = mode;
+		}
+	    }
+	    xfree (size->pRates);
+	}
+	else
+	{
+	    mode = RROldModeAdd (output, size, 0);
+	    if (i == pScrPriv->size)
+		newMode = mode;
+	}
+    }
+    if (pScrPriv->nSizes)
+	xfree (pScrPriv->pSizes);
+    pScrPriv->pSizes = NULL;
+    pScrPriv->nSizes = 0;
+	    
+    /* find size bounds */
+    for (i = 0; i < output->numModes + output->numUserModes; i++) 
+    {
+	RRModePtr   mode = (i < output->numModes ? 
+			    output->modes[i] : 
+			    output->userModes[i-output->numModes]);
+        CARD16	    width = mode->mode.width;
+        CARD16	    height = mode->mode.height;
+	
+	if (width < minWidth) minWidth = width;
+	if (width > maxWidth) maxWidth = width;
+	if (height < minHeight) minHeight = height;
+	if (height > maxHeight) maxHeight = height;
+    }
+
+    RRScreenSetSizeRange (pScreen, minWidth, minHeight, maxWidth, maxHeight);
+
+    /* notice current mode */
+    if (newMode)
+	RRCrtcNotify (crtc, newMode, 0, 0, pScrPriv->rotation,
+		      1, &output);
+}
+#endif
+
+/*
+ * Poll the driver for changed information
+ */
+Bool
+RRGetInfo (ScreenPtr pScreen)
+{
+    rrScrPriv (pScreen);
+    Rotation	    rotations;
+    int		    i;
+
+    for (i = 0; i < pScrPriv->numOutputs; i++)
+	pScrPriv->outputs[i]->changed = FALSE;
+    for (i = 0; i < pScrPriv->numCrtcs; i++)
+	pScrPriv->crtcs[i]->changed = FALSE;
+    
+    rotations = 0;
+    pScrPriv->changed = FALSE;
+    pScrPriv->configChanged = FALSE;
+    
+    if (!(*pScrPriv->rrGetInfo) (pScreen, &rotations))
+	return FALSE;
+
+#if RANDR_10_INTERFACE
+    if (pScrPriv->nSizes)
+	RRScanOldConfig (pScreen, rotations);
+#endif
+    RRTellChanged (pScreen);
+    return TRUE;
+}
+
+/*
+ * Register the range of sizes for the screen
+ */
+void
+RRScreenSetSizeRange (ScreenPtr	pScreen,
+		      CARD16	minWidth,
+		      CARD16	minHeight,
+		      CARD16	maxWidth,
+		      CARD16	maxHeight)
+{
+    rrScrPriv (pScreen);
+
+    if (!pScrPriv)
+	return;
+    if (pScrPriv->minWidth == minWidth && pScrPriv->minHeight == minHeight &&
+	pScrPriv->maxWidth == maxWidth && pScrPriv->maxHeight == maxHeight)
+    {
+	return;
+    }
+	
+    pScrPriv->minWidth  = minWidth;
+    pScrPriv->minHeight = minHeight;
+    pScrPriv->maxWidth  = maxWidth;
+    pScrPriv->maxHeight = maxHeight;
+    pScrPriv->changed = TRUE;
+    pScrPriv->configChanged = TRUE;
+}
+
+#ifdef RANDR_10_INTERFACE
+static Bool
+RRScreenSizeMatches (RRScreenSizePtr  a,
+		   RRScreenSizePtr  b)
+{
+    if (a->width != b->width)
+	return FALSE;
+    if (a->height != b->height)
+	return FALSE;
+    if (a->mmWidth != b->mmWidth)
+	return FALSE;
+    if (a->mmHeight != b->mmHeight)
+	return FALSE;
+    return TRUE;
+}
+
+RRScreenSizePtr
+RRRegisterSize (ScreenPtr	    pScreen,
+		short		    width, 
+		short		    height,
+		short		    mmWidth,
+		short		    mmHeight)
+{
+    rrScrPriv (pScreen);
+    int		    i;
+    RRScreenSize    tmp;
+    RRScreenSizePtr pNew;
+
+    if (!pScrPriv)
+	return 0;
+    
+    tmp.id = 0;
+    tmp.width = width;
+    tmp.height= height;
+    tmp.mmWidth = mmWidth;
+    tmp.mmHeight = mmHeight;
+    tmp.pRates = 0;
+    tmp.nRates = 0;
+    for (i = 0; i < pScrPriv->nSizes; i++)
+	if (RRScreenSizeMatches (&tmp, &pScrPriv->pSizes[i]))
+	    return &pScrPriv->pSizes[i];
+    pNew = xrealloc (pScrPriv->pSizes,
+		     (pScrPriv->nSizes + 1) * sizeof (RRScreenSize));
+    if (!pNew)
+	return 0;
+    pNew[pScrPriv->nSizes++] = tmp;
+    pScrPriv->pSizes = pNew;
+    return &pNew[pScrPriv->nSizes-1];
+}
+
+Bool RRRegisterRate (ScreenPtr		pScreen,
+		     RRScreenSizePtr	pSize,
+		     int		rate)
+{
+    rrScrPriv(pScreen);
+    int		    i;
+    RRScreenRatePtr pNew, pRate;
+
+    if (!pScrPriv)
+	return FALSE;
+    
+    for (i = 0; i < pSize->nRates; i++)
+	if (pSize->pRates[i].rate == rate)
+	    return TRUE;
+
+    pNew = xrealloc (pSize->pRates,
+		     (pSize->nRates + 1) * sizeof (RRScreenRate));
+    if (!pNew)
+	return FALSE;
+    pRate = &pNew[pSize->nRates++];
+    pRate->rate = rate;
+    pSize->pRates = pNew;
+    return TRUE;
+}
+
+Rotation
+RRGetRotation(ScreenPtr pScreen)
+{
+    RROutputPtr	output = RRFirstOutput (pScreen);
+
+    if (!output)
+	return RR_Rotate_0;
+
+    return output->crtc->rotation;
+}
+
+void
+RRSetCurrentConfig (ScreenPtr		pScreen,
+		    Rotation		rotation,
+		    int			rate,
+		    RRScreenSizePtr	pSize)
+{
+    rrScrPriv (pScreen);
+
+    if (!pScrPriv)
+	return;
+    pScrPriv->size = pSize - pScrPriv->pSizes;
+    pScrPriv->rotation = rotation;
+    pScrPriv->rate = rate;
+}
+#endif

nx-X11/programs/Xserver/randr/rrmode.c

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NX-X11, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include "randrstr.h"
+#include "registry.h"
+
+RESTYPE	RRModeType;
+
+static Bool
+RRModeEqual (xRRModeInfo *a, xRRModeInfo *b)
+{
+    if (a->width != b->width) return FALSE;
+    if (a->height != b->height) return FALSE;
+    if (a->dotClock != b->dotClock) return FALSE;
+    if (a->hSyncStart != b->hSyncStart) return FALSE;
+    if (a->hSyncEnd != b->hSyncEnd) return FALSE;
+    if (a->hTotal != b->hTotal) return FALSE;
+    if (a->hSkew != b->hSkew) return FALSE;
+    if (a->vSyncStart != b->vSyncStart) return FALSE;
+    if (a->vSyncEnd != b->vSyncEnd) return FALSE;
+    if (a->vTotal != b->vTotal) return FALSE;
+    if (a->nameLength != b->nameLength) return FALSE;
+    if (a->modeFlags != b->modeFlags) return FALSE;
+    return TRUE;
+}
+
+/*
+ * Keep a list so it's easy to find modes in the resource database.
+ */
+static int	    num_modes;
+static RRModePtr    *modes;
+
+static RRModePtr
+RRModeCreate (xRRModeInfo   *modeInfo,
+	      const char    *name,
+	      ScreenPtr	    userScreen)
+{
+    RRModePtr	mode, *newModes;
+    
+    if (!RRInit ())
+	return NULL;
+
+    mode = xalloc (sizeof (RRModeRec) + modeInfo->nameLength + 1);
+    if (!mode)
+	return NULL;
+    mode->refcnt = 1;
+    mode->mode = *modeInfo;
+    mode->name = (char *) (mode + 1);
+    memcpy (mode->name, name, modeInfo->nameLength);
+    mode->name[modeInfo->nameLength] = '\0';
+    mode->userScreen = userScreen;
+
+    if (num_modes)
+	newModes = xrealloc (modes, (num_modes + 1) * sizeof (RRModePtr));
+    else
+	newModes = xalloc (sizeof (RRModePtr));
+
+    if (!newModes)
+    {
+	xfree (mode);
+	return NULL;
+    }
+
+    mode->mode.id = FakeClientID(0);
+    if (!AddResource (mode->mode.id, RRModeType, (pointer) mode))
+	return NULL;
+    modes = newModes;
+    modes[num_modes++] = mode;
+    
+    /*
+     * give the caller a reference to this mode
+     */
+    ++mode->refcnt;
+    return mode;
+}
+
+static RRModePtr
+RRModeFindByName (const char	*name,
+		  CARD16    	nameLength)
+{
+    int		i;
+    RRModePtr	mode;
+
+    for (i = 0; i < num_modes; i++)
+    {
+	mode = modes[i];
+	if (mode->mode.nameLength == nameLength &&
+	    !memcmp (name, mode->name, nameLength))
+	{
+	    return mode;
+	}
+    }
+    return NULL;
+}
+
+RRModePtr
+RRModeGet (xRRModeInfo	*modeInfo,
+	   const char	*name)
+{
+    int	i;
+
+    for (i = 0; i < num_modes; i++)
+    {
+	RRModePtr   mode = modes[i];
+	if (RRModeEqual (&mode->mode, modeInfo) &&
+	    !memcmp (name, mode->name, modeInfo->nameLength))
+	{
+	    ++mode->refcnt;
+	    return mode;
+	}
+    }
+
+    return RRModeCreate (modeInfo, name, NULL);
+}
+
+static RRModePtr
+RRModeCreateUser (ScreenPtr	pScreen,
+		  xRRModeInfo	*modeInfo,
+		  const char	*name,
+		  int		*error)
+{
+    RRModePtr	mode;
+
+    mode = RRModeFindByName (name, modeInfo->nameLength);
+    if (mode)
+    {
+	*error = BadName;
+	return NULL;
+    }
+    
+    mode = RRModeCreate (modeInfo, name, pScreen);
+    if (!mode)
+    {
+	*error = BadAlloc;
+	return NULL;
+    }
+    *error = Success;
+    return mode;
+}
+
+RRModePtr *
+RRModesForScreen (ScreenPtr pScreen, int *num_ret)
+{
+    rrScrPriv(pScreen);
+    int		o, c, m;
+    RRModePtr	*screen_modes;
+    int		num_screen_modes = 0;
+
+    screen_modes = xalloc ((num_modes ? num_modes : 1) * sizeof (RRModePtr));
+    if (!screen_modes)
+	return NULL;
+    
+    /*
+     * Add modes from all outputs
+     */
+    for (o = 0; o < pScrPriv->numOutputs; o++)
+    {
+	RROutputPtr	output = pScrPriv->outputs[o];
+	int		m, n;
+
+	for (m = 0; m < output->numModes + output->numUserModes; m++)
+	{
+	    RRModePtr   mode = (m < output->numModes ? 
+				output->modes[m] : 
+				output->userModes[m-output->numModes]);
+	    for (n = 0; n < num_screen_modes; n++)
+		if (screen_modes[n] == mode)
+		    break;
+	    if (n == num_screen_modes)
+		screen_modes[num_screen_modes++] = mode;
+	}
+    }
+    /*
+     * Add modes from all crtcs. The goal is to
+     * make sure all available and active modes
+     * are visible to the client
+     */
+    for (c = 0; c < pScrPriv->numCrtcs; c++)
+    {
+	RRCrtcPtr	crtc = pScrPriv->crtcs[c];
+	RRModePtr	mode = crtc->mode;
+	int		n;
+
+	if (!mode) continue;
+	for (n = 0; n < num_screen_modes; n++)
+	    if (screen_modes[n] == mode)
+		break;
+	if (n == num_screen_modes)
+	    screen_modes[num_screen_modes++] = mode;
+    }
+    /*
+     * Add all user modes for this screen
+     */
+    for (m = 0; m < num_modes; m++)
+    {
+	RRModePtr	mode = modes[m];
+	int		n;
+
+	if (mode->userScreen != pScreen)
+	    continue;
+	for (n = 0; n < num_screen_modes; n++)
+	    if (screen_modes[n] == mode)
+		break;
+	if (n == num_screen_modes)
+	    screen_modes[num_screen_modes++] = mode;
+    }
+    
+    *num_ret = num_screen_modes;
+    return screen_modes;
+}
+
+void
+RRModeDestroy (RRModePtr mode)
+{
+    int	m;
+    
+    if (--mode->refcnt > 0)
+	return;
+    for (m = 0; m < num_modes; m++)
+    {
+	if (modes[m] == mode)
+	{
+	    memmove (modes + m, modes + m + 1,
+		     (num_modes - m - 1) * sizeof (RRModePtr));
+	    num_modes--;
+	    if (!num_modes)
+	    {
+		xfree (modes);
+		modes = NULL;
+	    }
+	    break;
+	}
+    }
+    
+    xfree (mode);
+}
+
+static int
+RRModeDestroyResource (pointer value, XID pid)
+{
+    RRModeDestroy ((RRModePtr) value);
+    return 1;
+}
+
+Bool
+RRModeInit (void)
+{
+    assert (num_modes == 0);
+    assert (modes == NULL);
+    RRModeType = CreateNewResourceType (RRModeDestroyResource);
+    if (!RRModeType)
+	return FALSE;
+    RegisterResourceName (RRModeType, "MODE");
+    return TRUE;
+}
+
+int
+ProcRRCreateMode (ClientPtr client)
+{
+    REQUEST(xRRCreateModeReq);
+    xRRCreateModeReply	rep;
+    WindowPtr		pWin;
+    ScreenPtr		pScreen;
+    rrScrPrivPtr	pScrPriv;
+    xRRModeInfo		*modeInfo;
+    long		units_after;
+    char		*name;
+    int			error, rc;
+    RRModePtr		mode;
+    
+    REQUEST_AT_LEAST_SIZE (xRRCreateModeReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    modeInfo = &stuff->modeInfo;
+    name = (char *) (stuff + 1);
+    units_after = (stuff->length - (sizeof (xRRCreateModeReq) >> 2));
+
+    /* check to make sure requested name fits within the data provided */
+    if ((int) (modeInfo->nameLength + 3) >> 2 > units_after)
+	return BadLength;
+
+    mode = RRModeCreateUser (pScreen, modeInfo, name, &error);
+    if (!mode)
+	return error;
+
+    rep.type = X_Reply;
+    rep.pad0 = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    rep.mode = mode->mode.id;
+    if (client->swapped)
+    {
+	int n;
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.mode, n);
+    }
+    WriteToClient(client, sizeof(xRRCreateModeReply), (char *)&rep);
+    
+    return client->noClientException;
+}
+
+int
+ProcRRDestroyMode (ClientPtr client)
+{
+    REQUEST(xRRDestroyModeReq);
+    RRModePtr	mode;
+    
+    REQUEST_SIZE_MATCH(xRRDestroyModeReq);
+    mode = LookupIDByType (stuff->mode, RRModeType);
+    if (!mode)
+    {
+	client->errorValue = stuff->mode;
+	return RRErrorBase + BadRRMode;
+    }
+    if (!mode->userScreen)
+	return BadMatch;
+    if (mode->refcnt > 1)
+	return BadAccess;
+    FreeResource (stuff->mode, 0);
+    return Success;
+}
+
+int
+ProcRRAddOutputMode (ClientPtr client)
+{
+    REQUEST(xRRAddOutputModeReq);
+    RRModePtr	mode;
+    RROutputPtr	output;
+    
+    REQUEST_SIZE_MATCH(xRRAddOutputModeReq);
+    output = LookupOutput(client, stuff->output, DixReadAccess);
+
+    if (!output)
+    {
+	client->errorValue = stuff->output;
+	return RRErrorBase + BadRROutput;
+    }
+    
+    mode = LookupIDByType (stuff->mode, RRModeType);
+    if (!mode)
+    {
+	client->errorValue = stuff->mode;
+	return RRErrorBase + BadRRMode;
+    }
+    
+    return RROutputAddUserMode (output, mode);
+}
+
+int
+ProcRRDeleteOutputMode (ClientPtr client)
+{
+    REQUEST(xRRDeleteOutputModeReq);
+    RRModePtr	mode;
+    RROutputPtr	output;
+    
+    REQUEST_SIZE_MATCH(xRRDeleteOutputModeReq);
+    output = LookupOutput(client, stuff->output, DixReadAccess);
+
+    if (!output)
+    {
+	client->errorValue = stuff->output;
+	return RRErrorBase + BadRROutput;
+    }
+    
+    mode = LookupIDByType (stuff->mode, RRModeType);
+    if (!mode)
+    {
+	client->errorValue = stuff->mode;
+	return RRErrorBase + BadRRMode;
+    }
+    
+    return RROutputDeleteUserMode (output, mode);
+}

nx-X11/programs/Xserver/randr/rrmode.c.NX.original

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NX-X11, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include "randrstr.h"
+#include "registry.h"
+
+RESTYPE	RRModeType;
+
+static Bool
+RRModeEqual (xRRModeInfo *a, xRRModeInfo *b)
+{
+    if (a->width != b->width) return FALSE;
+    if (a->height != b->height) return FALSE;
+    if (a->dotClock != b->dotClock) return FALSE;
+    if (a->hSyncStart != b->hSyncStart) return FALSE;
+    if (a->hSyncEnd != b->hSyncEnd) return FALSE;
+    if (a->hTotal != b->hTotal) return FALSE;
+    if (a->hSkew != b->hSkew) return FALSE;
+    if (a->vSyncStart != b->vSyncStart) return FALSE;
+    if (a->vSyncEnd != b->vSyncEnd) return FALSE;
+    if (a->vTotal != b->vTotal) return FALSE;
+    if (a->nameLength != b->nameLength) return FALSE;
+    if (a->modeFlags != b->modeFlags) return FALSE;
+    return TRUE;
+}
+
+/*
+ * Keep a list so it's easy to find modes in the resource database.
+ */
+static int	    num_modes;
+static RRModePtr    *modes;
+
+static RRModePtr
+RRModeCreate (xRRModeInfo   *modeInfo,
+	      const char    *name,
+	      ScreenPtr	    userScreen)
+{
+    RRModePtr	mode, *newModes;
+    
+    if (!RRInit ())
+	return NULL;
+
+    mode = xalloc (sizeof (RRModeRec) + modeInfo->nameLength + 1);
+    if (!mode)
+	return NULL;
+    mode->refcnt = 1;
+    mode->mode = *modeInfo;
+    mode->name = (char *) (mode + 1);
+    memcpy (mode->name, name, modeInfo->nameLength);
+    mode->name[modeInfo->nameLength] = '\0';
+    mode->userScreen = userScreen;
+
+    if (num_modes)
+	newModes = xrealloc (modes, (num_modes + 1) * sizeof (RRModePtr));
+    else
+	newModes = xalloc (sizeof (RRModePtr));
+
+    if (!newModes)
+    {
+	xfree (mode);
+	return NULL;
+    }
+
+    mode->mode.id = FakeClientID(0);
+    if (!AddResource (mode->mode.id, RRModeType, (pointer) mode))
+	return NULL;
+    modes = newModes;
+    modes[num_modes++] = mode;
+    
+    /*
+     * give the caller a reference to this mode
+     */
+    ++mode->refcnt;
+    return mode;
+}
+
+static RRModePtr
+RRModeFindByName (const char	*name,
+		  CARD16    	nameLength)
+{
+    int		i;
+    RRModePtr	mode;
+
+    for (i = 0; i < num_modes; i++)
+    {
+	mode = modes[i];
+	if (mode->mode.nameLength == nameLength &&
+	    !memcmp (name, mode->name, nameLength))
+	{
+	    return mode;
+	}
+    }
+    return NULL;
+}
+
+RRModePtr
+RRModeGet (xRRModeInfo	*modeInfo,
+	   const char	*name)
+{
+    int	i;
+
+    for (i = 0; i < num_modes; i++)
+    {
+	RRModePtr   mode = modes[i];
+	if (RRModeEqual (&mode->mode, modeInfo) &&
+	    !memcmp (name, mode->name, modeInfo->nameLength))
+	{
+	    ++mode->refcnt;
+	    return mode;
+	}
+    }
+
+    return RRModeCreate (modeInfo, name, NULL);
+}
+
+static RRModePtr
+RRModeCreateUser (ScreenPtr	pScreen,
+		  xRRModeInfo	*modeInfo,
+		  const char	*name,
+		  int		*error)
+{
+    RRModePtr	mode;
+
+    mode = RRModeFindByName (name, modeInfo->nameLength);
+    if (mode)
+    {
+	*error = BadName;
+	return NULL;
+    }
+    
+    mode = RRModeCreate (modeInfo, name, pScreen);
+    if (!mode)
+    {
+	*error = BadAlloc;
+	return NULL;
+    }
+    *error = Success;
+    return mode;
+}
+
+RRModePtr *
+RRModesForScreen (ScreenPtr pScreen, int *num_ret)
+{
+    rrScrPriv(pScreen);
+    int		o, c, m;
+    RRModePtr	*screen_modes;
+    int		num_screen_modes = 0;
+
+    screen_modes = xalloc ((num_modes ? num_modes : 1) * sizeof (RRModePtr));
+    if (!screen_modes)
+	return NULL;
+    
+    /*
+     * Add modes from all outputs
+     */
+    for (o = 0; o < pScrPriv->numOutputs; o++)
+    {
+	RROutputPtr	output = pScrPriv->outputs[o];
+	int		m, n;
+
+	for (m = 0; m < output->numModes + output->numUserModes; m++)
+	{
+	    RRModePtr   mode = (m < output->numModes ? 
+				output->modes[m] : 
+				output->userModes[m-output->numModes]);
+	    for (n = 0; n < num_screen_modes; n++)
+		if (screen_modes[n] == mode)
+		    break;
+	    if (n == num_screen_modes)
+		screen_modes[num_screen_modes++] = mode;
+	}
+    }
+    /*
+     * Add modes from all crtcs. The goal is to
+     * make sure all available and active modes
+     * are visible to the client
+     */
+    for (c = 0; c < pScrPriv->numCrtcs; c++)
+    {
+	RRCrtcPtr	crtc = pScrPriv->crtcs[c];
+	RRModePtr	mode = crtc->mode;
+	int		n;
+
+	if (!mode) continue;
+	for (n = 0; n < num_screen_modes; n++)
+	    if (screen_modes[n] == mode)
+		break;
+	if (n == num_screen_modes)
+	    screen_modes[num_screen_modes++] = mode;
+    }
+    /*
+     * Add all user modes for this screen
+     */
+    for (m = 0; m < num_modes; m++)
+    {
+	RRModePtr	mode = modes[m];
+	int		n;
+
+	if (mode->userScreen != pScreen)
+	    continue;
+	for (n = 0; n < num_screen_modes; n++)
+	    if (screen_modes[n] == mode)
+		break;
+	if (n == num_screen_modes)
+	    screen_modes[num_screen_modes++] = mode;
+    }
+    
+    *num_ret = num_screen_modes;
+    return screen_modes;
+}
+
+void
+RRModeDestroy (RRModePtr mode)
+{
+    int	m;
+    
+    if (--mode->refcnt > 0)
+	return;
+    for (m = 0; m < num_modes; m++)
+    {
+	if (modes[m] == mode)
+	{
+	    memmove (modes + m, modes + m + 1,
+		     (num_modes - m - 1) * sizeof (RRModePtr));
+	    num_modes--;
+	    if (!num_modes)
+	    {
+		xfree (modes);
+		modes = NULL;
+	    }
+	    break;
+	}
+    }
+    
+    xfree (mode);
+}
+
+static int
+RRModeDestroyResource (pointer value, XID pid)
+{
+    RRModeDestroy ((RRModePtr) value);
+    return 1;
+}
+
+Bool
+RRModeInit (void)
+{
+    assert (num_modes == 0);
+    assert (modes == NULL);
+    RRModeType = CreateNewResourceType (RRModeDestroyResource);
+    if (!RRModeType)
+	return FALSE;
+    RegisterResourceName (RRModeType, "MODE");
+    return TRUE;
+}
+
+int
+ProcRRCreateMode (ClientPtr client)
+{
+    REQUEST(xRRCreateModeReq);
+    xRRCreateModeReply	rep;
+    WindowPtr		pWin;
+    ScreenPtr		pScreen;
+    rrScrPrivPtr	pScrPriv;
+    xRRModeInfo		*modeInfo;
+    long		units_after;
+    char		*name;
+    int			error, rc;
+    RRModePtr		mode;
+    
+    REQUEST_AT_LEAST_SIZE (xRRCreateModeReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    modeInfo = &stuff->modeInfo;
+    name = (char *) (stuff + 1);
+    units_after = (stuff->length - (sizeof (xRRCreateModeReq) >> 2));
+
+    /* check to make sure requested name fits within the data provided */
+    if ((int) (modeInfo->nameLength + 3) >> 2 > units_after)
+	return BadLength;
+
+    mode = RRModeCreateUser (pScreen, modeInfo, name, &error);
+    if (!mode)
+	return error;
+
+    rep.type = X_Reply;
+    rep.pad0 = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    rep.mode = mode->mode.id;
+    if (client->swapped)
+    {
+	int n;
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.mode, n);
+    }
+    WriteToClient(client, sizeof(xRRCreateModeReply), (char *)&rep);
+    
+    return client->noClientException;
+}
+
+int
+ProcRRDestroyMode (ClientPtr client)
+{
+    REQUEST(xRRDestroyModeReq);
+    RRModePtr	mode;
+    
+    REQUEST_SIZE_MATCH(xRRDestroyModeReq);
+    mode = LookupIDByType (stuff->mode, RRModeType);
+    if (!mode)
+    {
+	client->errorValue = stuff->mode;
+	return RRErrorBase + BadRRMode;
+    }
+    if (!mode->userScreen)
+	return BadMatch;
+    if (mode->refcnt > 1)
+	return BadAccess;
+    FreeResource (stuff->mode, 0);
+    return Success;
+}
+
+int
+ProcRRAddOutputMode (ClientPtr client)
+{
+    REQUEST(xRRAddOutputModeReq);
+    RRModePtr	mode;
+    RROutputPtr	output;
+    
+    REQUEST_SIZE_MATCH(xRRAddOutputModeReq);
+    output = LookupOutput(client, stuff->output, DixReadAccess);
+
+    if (!output)
+    {
+	client->errorValue = stuff->output;
+	return RRErrorBase + BadRROutput;
+    }
+    
+    mode = LookupIDByType (stuff->mode, RRModeType);
+    if (!mode)
+    {
+	client->errorValue = stuff->mode;
+	return RRErrorBase + BadRRMode;
+    }
+    
+    return RROutputAddUserMode (output, mode);
+}
+
+int
+ProcRRDeleteOutputMode (ClientPtr client)
+{
+    REQUEST(xRRDeleteOutputModeReq);
+    RRModePtr	mode;
+    RROutputPtr	output;
+    
+    REQUEST_SIZE_MATCH(xRRDeleteOutputModeReq);
+    output = LookupOutput(client, stuff->output, DixReadAccess);
+
+    if (!output)
+    {
+	client->errorValue = stuff->output;
+	return RRErrorBase + BadRROutput;
+    }
+    
+    mode = LookupIDByType (stuff->mode, RRModeType);
+    if (!mode)
+    {
+	client->errorValue = stuff->mode;
+	return RRErrorBase + BadRRMode;
+    }
+    
+    return RROutputDeleteUserMode (output, mode);
+}

nx-X11/programs/Xserver/randr/rrmode.c.X.original

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+#include "registry.h"
+
+RESTYPE	RRModeType;
+
+static Bool
+RRModeEqual (xRRModeInfo *a, xRRModeInfo *b)
+{
+    if (a->width != b->width) return FALSE;
+    if (a->height != b->height) return FALSE;
+    if (a->dotClock != b->dotClock) return FALSE;
+    if (a->hSyncStart != b->hSyncStart) return FALSE;
+    if (a->hSyncEnd != b->hSyncEnd) return FALSE;
+    if (a->hTotal != b->hTotal) return FALSE;
+    if (a->hSkew != b->hSkew) return FALSE;
+    if (a->vSyncStart != b->vSyncStart) return FALSE;
+    if (a->vSyncEnd != b->vSyncEnd) return FALSE;
+    if (a->vTotal != b->vTotal) return FALSE;
+    if (a->nameLength != b->nameLength) return FALSE;
+    if (a->modeFlags != b->modeFlags) return FALSE;
+    return TRUE;
+}
+
+/*
+ * Keep a list so it's easy to find modes in the resource database.
+ */
+static int	    num_modes;
+static RRModePtr    *modes;
+
+static RRModePtr
+RRModeCreate (xRRModeInfo   *modeInfo,
+	      const char    *name,
+	      ScreenPtr	    userScreen)
+{
+    RRModePtr	mode, *newModes;
+    
+    if (!RRInit ())
+	return NULL;
+
+    mode = xalloc (sizeof (RRModeRec) + modeInfo->nameLength + 1);
+    if (!mode)
+	return NULL;
+    mode->refcnt = 1;
+    mode->mode = *modeInfo;
+    mode->name = (char *) (mode + 1);
+    memcpy (mode->name, name, modeInfo->nameLength);
+    mode->name[modeInfo->nameLength] = '\0';
+    mode->userScreen = userScreen;
+
+    if (num_modes)
+	newModes = xrealloc (modes, (num_modes + 1) * sizeof (RRModePtr));
+    else
+	newModes = xalloc (sizeof (RRModePtr));
+
+    if (!newModes)
+    {
+	xfree (mode);
+	return NULL;
+    }
+
+    mode->mode.id = FakeClientID(0);
+    if (!AddResource (mode->mode.id, RRModeType, (pointer) mode))
+	return NULL;
+    modes = newModes;
+    modes[num_modes++] = mode;
+    
+    /*
+     * give the caller a reference to this mode
+     */
+    ++mode->refcnt;
+    return mode;
+}
+
+static RRModePtr
+RRModeFindByName (const char	*name,
+		  CARD16    	nameLength)
+{
+    int		i;
+    RRModePtr	mode;
+
+    for (i = 0; i < num_modes; i++)
+    {
+	mode = modes[i];
+	if (mode->mode.nameLength == nameLength &&
+	    !memcmp (name, mode->name, nameLength))
+	{
+	    return mode;
+	}
+    }
+    return NULL;
+}
+
+RRModePtr
+RRModeGet (xRRModeInfo	*modeInfo,
+	   const char	*name)
+{
+    int	i;
+
+    for (i = 0; i < num_modes; i++)
+    {
+	RRModePtr   mode = modes[i];
+	if (RRModeEqual (&mode->mode, modeInfo) &&
+	    !memcmp (name, mode->name, modeInfo->nameLength))
+	{
+	    ++mode->refcnt;
+	    return mode;
+	}
+    }
+
+    return RRModeCreate (modeInfo, name, NULL);
+}
+
+static RRModePtr
+RRModeCreateUser (ScreenPtr	pScreen,
+		  xRRModeInfo	*modeInfo,
+		  const char	*name,
+		  int		*error)
+{
+    RRModePtr	mode;
+
+    mode = RRModeFindByName (name, modeInfo->nameLength);
+    if (mode)
+    {
+	*error = BadName;
+	return NULL;
+    }
+    
+    mode = RRModeCreate (modeInfo, name, pScreen);
+    if (!mode)
+    {
+	*error = BadAlloc;
+	return NULL;
+    }
+    *error = Success;
+    return mode;
+}
+
+RRModePtr *
+RRModesForScreen (ScreenPtr pScreen, int *num_ret)
+{
+    rrScrPriv(pScreen);
+    int		o, c, m;
+    RRModePtr	*screen_modes;
+    int		num_screen_modes = 0;
+
+    screen_modes = xalloc ((num_modes ? num_modes : 1) * sizeof (RRModePtr));
+    if (!screen_modes)
+	return NULL;
+    
+    /*
+     * Add modes from all outputs
+     */
+    for (o = 0; o < pScrPriv->numOutputs; o++)
+    {
+	RROutputPtr	output = pScrPriv->outputs[o];
+	int		m, n;
+
+	for (m = 0; m < output->numModes + output->numUserModes; m++)
+	{
+	    RRModePtr   mode = (m < output->numModes ? 
+				output->modes[m] : 
+				output->userModes[m-output->numModes]);
+	    for (n = 0; n < num_screen_modes; n++)
+		if (screen_modes[n] == mode)
+		    break;
+	    if (n == num_screen_modes)
+		screen_modes[num_screen_modes++] = mode;
+	}
+    }
+    /*
+     * Add modes from all crtcs. The goal is to
+     * make sure all available and active modes
+     * are visible to the client
+     */
+    for (c = 0; c < pScrPriv->numCrtcs; c++)
+    {
+	RRCrtcPtr	crtc = pScrPriv->crtcs[c];
+	RRModePtr	mode = crtc->mode;
+	int		n;
+
+	if (!mode) continue;
+	for (n = 0; n < num_screen_modes; n++)
+	    if (screen_modes[n] == mode)
+		break;
+	if (n == num_screen_modes)
+	    screen_modes[num_screen_modes++] = mode;
+    }
+    /*
+     * Add all user modes for this screen
+     */
+    for (m = 0; m < num_modes; m++)
+    {
+	RRModePtr	mode = modes[m];
+	int		n;
+
+	if (mode->userScreen != pScreen)
+	    continue;
+	for (n = 0; n < num_screen_modes; n++)
+	    if (screen_modes[n] == mode)
+		break;
+	if (n == num_screen_modes)
+	    screen_modes[num_screen_modes++] = mode;
+    }
+    
+    *num_ret = num_screen_modes;
+    return screen_modes;
+}
+
+void
+RRModeDestroy (RRModePtr mode)
+{
+    int	m;
+    
+    if (--mode->refcnt > 0)
+	return;
+    for (m = 0; m < num_modes; m++)
+    {
+	if (modes[m] == mode)
+	{
+	    memmove (modes + m, modes + m + 1,
+		     (num_modes - m - 1) * sizeof (RRModePtr));
+	    num_modes--;
+	    if (!num_modes)
+	    {
+		xfree (modes);
+		modes = NULL;
+	    }
+	    break;
+	}
+    }
+    
+    xfree (mode);
+}
+
+static int
+RRModeDestroyResource (pointer value, XID pid)
+{
+    RRModeDestroy ((RRModePtr) value);
+    return 1;
+}
+
+Bool
+RRModeInit (void)
+{
+    assert (num_modes == 0);
+    assert (modes == NULL);
+    RRModeType = CreateNewResourceType (RRModeDestroyResource);
+    if (!RRModeType)
+	return FALSE;
+    RegisterResourceName (RRModeType, "MODE");
+    return TRUE;
+}
+
+int
+ProcRRCreateMode (ClientPtr client)
+{
+    REQUEST(xRRCreateModeReq);
+    xRRCreateModeReply	rep;
+    WindowPtr		pWin;
+    ScreenPtr		pScreen;
+    rrScrPrivPtr	pScrPriv;
+    xRRModeInfo		*modeInfo;
+    long		units_after;
+    char		*name;
+    int			error, rc;
+    RRModePtr		mode;
+    
+    REQUEST_AT_LEAST_SIZE (xRRCreateModeReq);
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    modeInfo = &stuff->modeInfo;
+    name = (char *) (stuff + 1);
+    units_after = (stuff->length - (sizeof (xRRCreateModeReq) >> 2));
+
+    /* check to make sure requested name fits within the data provided */
+    if ((int) (modeInfo->nameLength + 3) >> 2 > units_after)
+	return BadLength;
+
+    mode = RRModeCreateUser (pScreen, modeInfo, name, &error);
+    if (!mode)
+	return error;
+
+    rep.type = X_Reply;
+    rep.pad0 = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    rep.mode = mode->mode.id;
+    if (client->swapped)
+    {
+	int n;
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.mode, n);
+    }
+    WriteToClient(client, sizeof(xRRCreateModeReply), (char *)&rep);
+    
+    return client->noClientException;
+}
+
+int
+ProcRRDestroyMode (ClientPtr client)
+{
+    REQUEST(xRRDestroyModeReq);
+    RRModePtr	mode;
+    
+    REQUEST_SIZE_MATCH(xRRDestroyModeReq);
+    mode = LookupIDByType (stuff->mode, RRModeType);
+    if (!mode)
+    {
+	client->errorValue = stuff->mode;
+	return RRErrorBase + BadRRMode;
+    }
+    if (!mode->userScreen)
+	return BadMatch;
+    if (mode->refcnt > 1)
+	return BadAccess;
+    FreeResource (stuff->mode, 0);
+    return Success;
+}
+
+int
+ProcRRAddOutputMode (ClientPtr client)
+{
+    REQUEST(xRRAddOutputModeReq);
+    RRModePtr	mode;
+    RROutputPtr	output;
+    
+    REQUEST_SIZE_MATCH(xRRAddOutputModeReq);
+    output = LookupOutput(client, stuff->output, DixReadAccess);
+
+    if (!output)
+    {
+	client->errorValue = stuff->output;
+	return RRErrorBase + BadRROutput;
+    }
+    
+    mode = LookupIDByType (stuff->mode, RRModeType);
+    if (!mode)
+    {
+	client->errorValue = stuff->mode;
+	return RRErrorBase + BadRRMode;
+    }
+    
+    return RROutputAddUserMode (output, mode);
+}
+
+int
+ProcRRDeleteOutputMode (ClientPtr client)
+{
+    REQUEST(xRRDeleteOutputModeReq);
+    RRModePtr	mode;
+    RROutputPtr	output;
+    
+    REQUEST_SIZE_MATCH(xRRDeleteOutputModeReq);
+    output = LookupOutput(client, stuff->output, DixReadAccess);
+
+    if (!output)
+    {
+	client->errorValue = stuff->output;
+	return RRErrorBase + BadRROutput;
+    }
+    
+    mode = LookupIDByType (stuff->mode, RRModeType);
+    if (!mode)
+    {
+	client->errorValue = stuff->mode;
+	return RRErrorBase + BadRRMode;
+    }
+    
+    return RROutputDeleteUserMode (output, mode);
+}

nx-X11/programs/Xserver/randr/rroutput.c

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+#include "registry.h"
+
+RESTYPE	RROutputType;
+
+/*
+ * Notify the output of some change
+ */
+void
+RROutputChanged (RROutputPtr output, Bool configChanged)
+{
+    ScreenPtr	pScreen = output->pScreen;
+    
+    output->changed = TRUE;
+    if (pScreen)
+    {
+	rrScrPriv (pScreen);
+	pScrPriv->changed = TRUE;
+	if (configChanged)
+	    pScrPriv->configChanged = TRUE;
+    }
+}
+
+/*
+ * Create an output
+ */
+
+RROutputPtr
+RROutputCreate (ScreenPtr   pScreen,
+		const char  *name,
+		int	    nameLength,
+		void	    *devPrivate)
+{
+    RROutputPtr	    output;
+    RROutputPtr	    *outputs;
+    rrScrPrivPtr    pScrPriv;
+
+    if (!RRInit())
+	return NULL;
+    
+    pScrPriv = rrGetScrPriv(pScreen);
+
+    if (pScrPriv->numOutputs)
+	outputs = xrealloc (pScrPriv->outputs, 
+			    (pScrPriv->numOutputs + 1) * sizeof (RROutputPtr));
+    else
+	outputs = xalloc (sizeof (RROutputPtr));
+    if (!outputs)
+	return FALSE;
+
+    pScrPriv->outputs = outputs;
+    
+    output = xalloc (sizeof (RROutputRec) + nameLength + 1);
+    if (!output)
+	return NULL;
+    output->id = FakeClientID (0);
+    output->pScreen = pScreen;
+    output->name = (char *) (output + 1);
+    output->nameLength = nameLength;
+    memcpy (output->name, name, nameLength);
+    output->name[nameLength] = '\0';
+    output->connection = RR_UnknownConnection;
+    output->subpixelOrder = SubPixelUnknown;
+    output->mmWidth = 0;
+    output->mmHeight = 0;
+    output->crtc = NULL;
+    output->numCrtcs = 0;
+    output->crtcs = NULL;
+    output->numClones = 0;
+    output->clones = NULL;
+    output->numModes = 0;
+    output->numPreferred = 0;
+    output->modes = NULL;
+    output->numUserModes = 0;
+    output->userModes = NULL;
+    output->properties = NULL;
+    output->pendingProperties = FALSE;
+    output->changed = FALSE;
+    output->devPrivate = devPrivate;
+    
+    if (!AddResource (output->id, RROutputType, (pointer) output))
+	return NULL;
+
+    pScrPriv->outputs[pScrPriv->numOutputs++] = output;
+    return output;
+}
+
+/*
+ * Notify extension that output parameters have been changed
+ */
+Bool
+RROutputSetClones (RROutputPtr  output,
+		   RROutputPtr  *clones,
+		   int		numClones)
+{
+    RROutputPtr	*newClones;
+    int		i;
+
+    if (numClones == output->numClones)
+    {
+	for (i = 0; i < numClones; i++)
+	    if (output->clones[i] != clones[i])
+		break;
+	if (i == numClones)
+	    return TRUE;
+    }
+    if (numClones)
+    {
+	newClones = xalloc (numClones * sizeof (RROutputPtr));
+	if (!newClones)
+	    return FALSE;
+    }
+    else
+	newClones = NULL;
+    if (output->clones)
+	xfree (output->clones);
+    memcpy (newClones, clones, numClones * sizeof (RROutputPtr));
+    output->clones = newClones;
+    output->numClones = numClones;
+    RROutputChanged (output, TRUE);
+    return TRUE;
+}
+
+Bool
+RROutputSetModes (RROutputPtr	output,
+		  RRModePtr	*modes,
+		  int		numModes,
+		  int		numPreferred)
+{
+    RRModePtr	*newModes;
+    int		i;
+
+    if (numModes == output->numModes && numPreferred == output->numPreferred)
+    {
+	for (i = 0; i < numModes; i++)
+	    if (output->modes[i] != modes[i])
+		break;
+	if (i == numModes)
+	{
+	    for (i = 0; i < numModes; i++)
+		RRModeDestroy (modes[i]);
+	    return TRUE;
+	}
+    }
+
+    if (numModes)
+    {
+	newModes = xalloc (numModes * sizeof (RRModePtr));
+	if (!newModes)
+	    return FALSE;
+    }
+    else
+	newModes = NULL;
+    if (output->modes)
+    {
+	for (i = 0; i < output->numModes; i++)
+	    RRModeDestroy (output->modes[i]);
+	xfree (output->modes);
+    }
+    memcpy (newModes, modes, numModes * sizeof (RRModePtr));
+    output->modes = newModes;
+    output->numModes = numModes;
+    output->numPreferred = numPreferred;
+    RROutputChanged (output, TRUE);
+    return TRUE;
+}
+
+int
+RROutputAddUserMode (RROutputPtr    output,
+		     RRModePtr	    mode)
+{
+    int		m;
+    ScreenPtr	pScreen = output->pScreen;
+    rrScrPriv(pScreen);
+    RRModePtr	*newModes;
+
+    /* Check to see if this mode is already listed for this output */
+    for (m = 0; m < output->numModes + output->numUserModes; m++)
+    {
+	RRModePtr   e = (m < output->numModes ?
+			 output->modes[m] :
+			 output->userModes[m - output->numModes]);
+	if (mode == e)
+	    return Success;
+    }
+
+    /* Check with the DDX to see if this mode is OK */
+    if (pScrPriv->rrOutputValidateMode)
+	if (!pScrPriv->rrOutputValidateMode (pScreen, output, mode))
+	    return BadMatch;
+
+    if (output->userModes)
+	newModes = xrealloc (output->userModes,
+			     (output->numUserModes + 1) * sizeof (RRModePtr));
+    else
+	newModes = xalloc (sizeof (RRModePtr));
+    if (!newModes)
+	return BadAlloc;
+
+    output->userModes = newModes;
+    output->userModes[output->numUserModes++] = mode;
+    ++mode->refcnt;
+    RROutputChanged (output, TRUE);
+    RRTellChanged (pScreen);
+    return Success;
+}
+
+int
+RROutputDeleteUserMode (RROutputPtr output,
+			RRModePtr   mode)
+{
+    int		m;
+    
+    /* Find this mode in the user mode list */
+    for (m = 0; m < output->numUserModes; m++)
+    {
+	RRModePtr   e = output->userModes[m];
+
+	if (mode == e)
+	    break;
+    }
+    /* Not there, access error */
+    if (m == output->numUserModes)
+	return BadAccess;
+
+    /* make sure the mode isn't active for this output */
+    if (output->crtc && output->crtc->mode == mode)
+	return BadMatch;
+
+    memmove (output->userModes + m, output->userModes + m + 1,
+	     (output->numUserModes - m - 1) * sizeof (RRModePtr));
+    output->numUserModes--;
+    RRModeDestroy (mode);
+    return Success;
+}
+
+Bool
+RROutputSetCrtcs (RROutputPtr	output,
+		  RRCrtcPtr	*crtcs,
+		  int		numCrtcs)
+{
+    RRCrtcPtr	*newCrtcs;
+    int		i;
+
+    if (numCrtcs == output->numCrtcs)
+    {
+	for (i = 0; i < numCrtcs; i++)
+	    if (output->crtcs[i] != crtcs[i])
+		break;
+	if (i == numCrtcs)
+	    return TRUE;
+    }
+    if (numCrtcs)
+    {
+	newCrtcs = xalloc (numCrtcs * sizeof (RRCrtcPtr));
+	if (!newCrtcs)
+	    return FALSE;
+    }
+    else
+	newCrtcs = NULL;
+    if (output->crtcs)
+	xfree (output->crtcs);
+    memcpy (newCrtcs, crtcs, numCrtcs * sizeof (RRCrtcPtr));
+    output->crtcs = newCrtcs;
+    output->numCrtcs = numCrtcs;
+    RROutputChanged (output, TRUE);
+    return TRUE;
+}
+
+Bool
+RROutputSetConnection (RROutputPtr  output,
+		       CARD8	    connection)
+{
+    if (output->connection == connection)
+	return TRUE;
+    output->connection = connection;
+    RROutputChanged (output, TRUE);
+    return TRUE;
+}
+
+Bool
+RROutputSetSubpixelOrder (RROutputPtr output,
+			  int	      subpixelOrder)
+{
+    if (output->subpixelOrder == subpixelOrder)
+	return TRUE;
+
+    output->subpixelOrder = subpixelOrder;
+    RROutputChanged (output, FALSE);
+    return TRUE;
+}
+
+Bool
+RROutputSetPhysicalSize (RROutputPtr	output,
+			 int		mmWidth,
+			 int		mmHeight)
+{
+    if (output->mmWidth == mmWidth && output->mmHeight == mmHeight)
+	return TRUE;
+    output->mmWidth = mmWidth;
+    output->mmHeight = mmHeight;
+    RROutputChanged (output, FALSE);
+    return TRUE;
+}
+
+
+void
+RRDeliverOutputEvent(ClientPtr client, WindowPtr pWin, RROutputPtr output)
+{
+    ScreenPtr pScreen = pWin->drawable.pScreen;
+    rrScrPriv (pScreen);
+    xRROutputChangeNotifyEvent	oe;
+    RRCrtcPtr	crtc = output->crtc;
+    RRModePtr	mode = crtc ? crtc->mode : 0;
+    
+    oe.type = RRNotify + RREventBase;
+    oe.subCode = RRNotify_OutputChange;
+    oe.sequenceNumber = client->sequence;
+    oe.timestamp = pScrPriv->lastSetTime.milliseconds;
+    oe.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    oe.window = pWin->drawable.id;
+    oe.output = output->id;
+    if (crtc)
+    {
+	oe.crtc = crtc->id;
+	oe.mode = mode ? mode->mode.id : None;
+	oe.rotation = crtc->rotation;
+    }
+    else
+    {
+	oe.crtc = None;
+	oe.mode = None;
+	oe.rotation = RR_Rotate_0;
+    }
+    oe.connection = output->connection;
+    oe.subpixelOrder = output->subpixelOrder;
+    WriteEventsToClient (client, 1, (xEvent *) &oe);
+}
+
+/*
+ * Destroy a Output at shutdown
+ */
+void
+RROutputDestroy (RROutputPtr output)
+{
+    FreeResource (output->id, 0);
+}
+
+static int
+RROutputDestroyResource (pointer value, XID pid)
+{
+    RROutputPtr	output = (RROutputPtr) value;
+    ScreenPtr	pScreen = output->pScreen;
+    int		m;
+
+    if (pScreen)
+    {
+	rrScrPriv(pScreen);
+	int		i;
+    
+	for (i = 0; i < pScrPriv->numOutputs; i++)
+	{
+	    if (pScrPriv->outputs[i] == output)
+	    {
+		memmove (pScrPriv->outputs + i, pScrPriv->outputs + i + 1,
+			 (pScrPriv->numOutputs - (i + 1)) * sizeof (RROutputPtr));
+		--pScrPriv->numOutputs;
+		break;
+	    }
+	}
+    }
+    if (output->modes)
+    {
+	for (m = 0; m < output->numModes; m++)
+	    RRModeDestroy (output->modes[m]);
+	xfree (output->modes);
+    }
+    
+    for (m = 0; m < output->numUserModes; m++)
+	RRModeDestroy (output->userModes[m]);
+    if (output->userModes)
+	xfree (output->userModes);
+
+    if (output->crtcs)
+	xfree (output->crtcs);
+    if (output->clones)
+	xfree (output->clones);
+    RRDeleteAllOutputProperties (output);
+    xfree (output);
+    return 1;
+}
+
+/*
+ * Initialize output type
+ */
+Bool
+RROutputInit (void)
+{
+    RROutputType = CreateNewResourceType (RROutputDestroyResource);
+    if (!RROutputType)
+	return FALSE;
+    RegisterResourceName (RROutputType, "OUTPUT");
+    return TRUE;
+}
+
+#define OutputInfoExtra	(SIZEOF(xRRGetOutputInfoReply) - 32)
+				
+int
+ProcRRGetOutputInfo (ClientPtr client)
+{
+    REQUEST(xRRGetOutputInfoReq);
+    xRRGetOutputInfoReply	rep;
+    RROutputPtr			output;
+    CARD8			*extra;
+    unsigned long		extraLen;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    RRCrtc			*crtcs;
+    RRMode			*modes;
+    RROutput			*clones;
+    char			*name;
+    int				i, n;
+    
+    REQUEST_SIZE_MATCH(xRRGetOutputInfoReq);
+    output = LookupOutput(client, stuff->output, DixReadAccess);
+
+    if (!output)
+    {
+	client->errorValue = stuff->output;
+	return RRErrorBase + BadRROutput;
+    }
+
+    pScreen = output->pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+
+    rep.type = X_Reply;
+    rep.sequenceNumber = client->sequence;
+    rep.length = OutputInfoExtra >> 2;
+    rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+    rep.crtc = output->crtc ? output->crtc->id : None;
+    rep.mmWidth = output->mmWidth;
+    rep.mmHeight = output->mmHeight;
+    rep.connection = output->connection;
+    rep.subpixelOrder = output->subpixelOrder;
+    rep.nCrtcs = output->numCrtcs;
+    rep.nModes = output->numModes + output->numUserModes;
+    rep.nPreferred = output->numPreferred;
+    rep.nClones = output->numClones;
+    rep.nameLength = output->nameLength;
+    
+    extraLen = ((output->numCrtcs + 
+		 output->numModes + output->numUserModes +
+		 output->numClones +
+		 ((rep.nameLength + 3) >> 2)) << 2);
+
+    if (extraLen)
+    {
+	rep.length += extraLen >> 2;
+	extra = xalloc (extraLen);
+	if (!extra)
+	    return BadAlloc;
+    }
+    else
+	extra = NULL;
+
+    crtcs = (RRCrtc *) extra;
+    modes = (RRMode *) (crtcs + output->numCrtcs);
+    clones = (RROutput *) (modes + output->numModes + output->numUserModes);
+    name = (char *) (clones + output->numClones);
+    
+    for (i = 0; i < output->numCrtcs; i++)
+    {
+	crtcs[i] = output->crtcs[i]->id;
+	if (client->swapped)
+	    swapl (&crtcs[i], n);
+    }
+    for (i = 0; i < output->numModes + output->numUserModes; i++)
+    {
+	if (i < output->numModes)
+	    modes[i] = output->modes[i]->mode.id;
+	else
+	    modes[i] = output->userModes[i - output->numModes]->mode.id;
+	if (client->swapped)
+	    swapl (&modes[i], n);
+    }
+    for (i = 0; i < output->numClones; i++)
+    {
+	clones[i] = output->clones[i]->id;
+	if (client->swapped)
+	    swapl (&clones[i], n);
+    }
+    memcpy (name, output->name, output->nameLength);
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swapl(&rep.crtc, n);
+	swapl(&rep.mmWidth, n);
+	swapl(&rep.mmHeight, n);
+	swaps(&rep.nCrtcs, n);
+	swaps(&rep.nModes, n);
+	swaps(&rep.nClones, n);
+	swaps(&rep.nameLength, n);
+    }
+    WriteToClient(client, sizeof(xRRGetOutputInfoReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    
+    return client->noClientException;
+}

nx-X11/programs/Xserver/randr/rrpointer.c

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+
+/*
+ * When the pointer moves, check to see if the specified position is outside
+ * any of theavailable CRTCs and move it to a 'sensible' place if so, where
+ * sensible is the closest monitor to the departing edge.
+ *
+ * Returns whether the position was adjusted
+ */
+
+static Bool
+RRCrtcContainsPosition (RRCrtcPtr crtc, int x, int y)
+{
+    RRModePtr   mode = crtc->mode;
+    int		scan_width, scan_height;
+
+    if (!mode)
+	return FALSE;
+
+    RRCrtcGetScanoutSize (crtc, &scan_width, &scan_height);
+
+    if (crtc->x <= x && x < crtc->x + scan_width &&
+	crtc->y <= y && y < crtc->y + scan_height)
+	return TRUE;
+    return FALSE;
+}
+
+/*
+ * Find the CRTC nearest the specified position, ignoring 'skip'
+ */
+static void
+RRPointerToNearestCrtc (ScreenPtr pScreen, int x, int y, RRCrtcPtr skip)
+{
+    rrScrPriv (pScreen);
+    int		c;
+    RRCrtcPtr	nearest = NULL;
+    int		best = 0;
+    int		best_dx = 0, best_dy = 0;
+
+    for (c = 0; c < pScrPriv->numCrtcs; c++)
+    {
+	RRCrtcPtr   crtc = pScrPriv->crtcs[c];
+	RRModePtr   mode = crtc->mode;
+	int	    dx, dy;
+	int	    dist;
+	int	    scan_width, scan_height;
+
+	if (!mode)
+	    continue;
+	if (crtc == skip)
+	    continue;
+
+	RRCrtcGetScanoutSize (crtc, &scan_width, &scan_height);
+
+	if (x < crtc->x)
+	    dx = crtc->x - x;
+	else if (x > crtc->x + scan_width)
+	    dx = x - (crtc->x + scan_width);
+	else
+	    dx = 0;
+	if (y < crtc->y)
+	    dy = crtc->y - x;
+	else if (y > crtc->y + scan_height)
+	    dy = y - (crtc->y + scan_height);
+	else
+	    dy = 0;
+	dist = dx + dy;
+	if (!nearest || dist < best)
+	{
+	    nearest = crtc;
+	    best_dx = dx;
+	    best_dy = dy;
+	}
+    }
+    if (best_dx || best_dy)
+	(*pScreen->SetCursorPosition) (pScreen, x + best_dx, y + best_dy, TRUE);
+    pScrPriv->pointerCrtc = nearest;
+}
+
+void
+RRPointerMoved (ScreenPtr pScreen, int x, int y)
+{
+    rrScrPriv (pScreen);
+    RRCrtcPtr	pointerCrtc = pScrPriv->pointerCrtc;
+    int	c;
+
+    /* Check last known CRTC */
+    if (pointerCrtc && RRCrtcContainsPosition (pointerCrtc, x, y))
+	return;
+    
+    /* Check all CRTCs */
+    for (c = 0; c < pScrPriv->numCrtcs; c++)
+    {
+	RRCrtcPtr   crtc = pScrPriv->crtcs[c];
+	
+	if (RRCrtcContainsPosition (crtc, x, y))
+	{
+	    /* Remember containing CRTC */
+	    pScrPriv->pointerCrtc = crtc;
+	    return;
+	}
+    }
+
+    /* None contain pointer, find nearest */
+    RRPointerToNearestCrtc (pScreen, x, y, pointerCrtc);
+}
+
+/*
+ * When the screen is reconfigured, move the pointer to the nearest
+ * CRTC
+ */
+void
+RRPointerScreenConfigured (ScreenPtr pScreen)
+{
+    WindowPtr	pRoot = GetCurrentRootWindow ();
+    ScreenPtr	pCurrentScreen = pRoot ? pRoot->drawable.pScreen : NULL;
+    int		x, y;
+
+    if (pScreen != pCurrentScreen)
+	return;
+    GetSpritePosition (&x, &y);
+    RRPointerToNearestCrtc (pScreen, x, y, NULL);
+}

nx-X11/programs/Xserver/randr/rrproperty.c

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+#include "propertyst.h"
+#include "swaprep.h"
+
+static void
+RRDeliverEvent (ScreenPtr pScreen, xEvent *event, CARD32 mask)
+{
+
+}
+
+void
+RRDeleteAllOutputProperties (RROutputPtr output)
+{
+    RRPropertyPtr prop, next;
+    xRROutputPropertyNotifyEvent    event;
+
+    for (prop = output->properties; prop; prop = next)
+    {
+	next = prop->next;
+	event.type = RREventBase + RRNotify;
+	event.subCode = RRNotify_OutputProperty;
+	event.output = output->id;
+	event.state = PropertyDelete;
+	event.atom = prop->propertyName;
+	event.timestamp = currentTime.milliseconds;
+	RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
+	if (prop->current.data)
+	    xfree(prop->current.data);
+	if (prop->pending.data)
+	    xfree(prop->pending.data);
+	xfree(prop);
+    }
+}
+
+static void
+RRInitOutputPropertyValue (RRPropertyValuePtr property_value)
+{
+    property_value->type = None;
+    property_value->format = 0;
+    property_value->size = 0;
+    property_value->data = NULL;
+}
+
+static RRPropertyPtr
+RRCreateOutputProperty (Atom property)
+{
+    RRPropertyPtr   prop;
+
+    prop = (RRPropertyPtr)xalloc(sizeof(RRPropertyRec));
+    if (!prop)
+	return NULL;
+    prop->next = NULL;
+    prop->propertyName = property;
+    prop->is_pending = FALSE;
+    prop->range = FALSE;
+    prop->immutable = FALSE;
+    prop->num_valid = 0;
+    prop->valid_values = NULL;
+    RRInitOutputPropertyValue (&prop->current);
+    RRInitOutputPropertyValue (&prop->pending);
+    return prop;
+}
+
+static void
+RRDestroyOutputProperty (RRPropertyPtr prop)
+{
+    if (prop->valid_values)
+	xfree (prop->valid_values);
+    if (prop->current.data)
+	xfree(prop->current.data);
+    if (prop->pending.data)
+	xfree(prop->pending.data);
+    xfree(prop);
+}
+
+void
+RRDeleteOutputProperty (RROutputPtr output, Atom property)
+{
+    RRPropertyPtr	prop, *prev;
+    xRROutputPropertyNotifyEvent    event;
+
+    for (prev = &output->properties; (prop = *prev); prev = &(prop->next))
+	if (prop->propertyName == property)
+	    break;
+    if (prop)
+    {
+	*prev = prop->next;
+	event.type = RREventBase + RRNotify;
+	event.subCode = RRNotify_OutputProperty;
+	event.output = output->id;
+	event.state = PropertyDelete;
+	event.atom = prop->propertyName;
+	event.timestamp = currentTime.milliseconds;
+	RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
+	RRDestroyOutputProperty (prop);
+    }
+}
+
+int
+RRChangeOutputProperty (RROutputPtr output, Atom property, Atom type,
+			int format, int mode, unsigned long len,
+			pointer value, Bool sendevent, Bool pending)
+{
+    RRPropertyPtr		    prop;
+    xRROutputPropertyNotifyEvent    event;
+    rrScrPrivPtr		    pScrPriv = rrGetScrPriv(output->pScreen);
+    int				    size_in_bytes;
+    int				    total_size;
+    unsigned long		    total_len;
+    RRPropertyValuePtr		    prop_value;
+    RRPropertyValueRec		    new_value;
+    Bool			    add = FALSE;
+
+    size_in_bytes = format >> 3;
+
+    /* first see if property already exists */
+    prop = RRQueryOutputProperty (output, property);
+    if (!prop)   /* just add to list */
+    {
+	prop = RRCreateOutputProperty (property);
+	if (!prop)
+	    return(BadAlloc);
+	add = TRUE;
+	mode = PropModeReplace;
+    }
+    if (pending && prop->is_pending)
+	prop_value = &prop->pending;
+    else
+	prop_value = &prop->current;
+
+    /* To append or prepend to a property the request format and type
+     must match those of the already defined property.  The
+     existing format and type are irrelevant when using the mode
+     "PropModeReplace" since they will be written over. */
+
+    if ((format != prop_value->format) && (mode != PropModeReplace))
+	return(BadMatch);
+    if ((prop_value->type != type) && (mode != PropModeReplace))
+	return(BadMatch);
+    new_value = *prop_value;
+    if (mode == PropModeReplace)
+	total_len = len;
+    else
+	total_len = prop_value->size + len;
+
+    if (mode == PropModeReplace || len > 0)
+    {
+	pointer	    new_data = NULL, old_data = NULL;
+
+	total_size = total_len * size_in_bytes;
+	new_value.data = (pointer)xalloc (total_size);
+	if (!new_value.data && total_size)
+	{
+	    if (add)
+		RRDestroyOutputProperty (prop);
+	    return BadAlloc;
+	}
+	new_value.size = len;
+	new_value.type = type;
+	new_value.format = format;
+
+	switch (mode) {
+	case PropModeReplace:
+	    new_data = new_value.data;
+	    old_data = NULL;
+	    break;
+	case PropModeAppend:
+	    new_data = (pointer) (((char *) new_value.data) + 
+				  (prop_value->size * size_in_bytes));
+	    old_data = new_value.data;
+	    break;
+	case PropModePrepend:
+	    new_data = new_value.data;
+	    old_data = (pointer) (((char *) new_value.data) + 
+				  (prop_value->size * size_in_bytes));
+	    break;
+	}
+	if (new_data)
+	    memcpy ((char *) new_data, (char *) value, len * size_in_bytes);
+	if (old_data)
+	    memcpy ((char *) old_data, (char *) prop_value->data, 
+		    prop_value->size * size_in_bytes);
+
+	if (pending && pScrPriv->rrOutputSetProperty &&
+	    !pScrPriv->rrOutputSetProperty(output->pScreen, output,
+					   prop->propertyName, &new_value))
+	{
+	    if (new_value.data)
+		xfree (new_value.data);
+	    return (BadValue);
+	}
+	if (prop_value->data)
+	    xfree (prop_value->data);
+	*prop_value = new_value;
+    }
+
+    else if (len == 0)
+    {
+	/* do nothing */
+    }
+
+    if (add)
+    {
+	prop->next = output->properties;
+	output->properties = prop;
+    }
+
+    if (pending && prop->is_pending)
+	output->pendingProperties = TRUE;
+
+    if (sendevent)
+    {
+	event.type = RREventBase + RRNotify;
+	event.subCode = RRNotify_OutputProperty;
+	event.output = output->id;
+	event.state = PropertyNewValue;
+	event.atom = prop->propertyName;
+	event.timestamp = currentTime.milliseconds;
+	RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
+    }
+    return(Success);
+}
+
+Bool
+RRPostPendingProperties (RROutputPtr output)
+{
+    RRPropertyValuePtr	pending_value;
+    RRPropertyValuePtr	current_value;
+    RRPropertyPtr	property;
+    Bool		ret = TRUE;
+
+    if (!output->pendingProperties)
+	return TRUE;
+    
+    output->pendingProperties = FALSE;
+    for (property = output->properties; property; property = property->next)
+    {
+	/* Skip non-pending properties */
+	if (!property->is_pending)
+	    continue;
+	
+	pending_value = &property->pending;
+	current_value = &property->current;
+
+	/*
+	 * If the pending and current values are equal, don't mark it
+	 * as changed (which would deliver an event)
+	 */
+	if (pending_value->type == current_value->type &&
+	    pending_value->format == current_value->format &&
+	    pending_value->size == current_value->size &&
+	    !memcmp (pending_value->data, current_value->data,
+		     pending_value->size))
+	    continue;
+
+	if (RRChangeOutputProperty (output, property->propertyName,
+				    pending_value->type, pending_value->format,
+				    PropModeReplace, pending_value->size,
+				    pending_value->data, TRUE,
+				    FALSE) != Success)
+	    ret = FALSE;
+    }
+    return ret;
+}
+
+RRPropertyPtr
+RRQueryOutputProperty (RROutputPtr output, Atom property)
+{
+    RRPropertyPtr   prop;
+    
+    for (prop = output->properties; prop; prop = prop->next)
+	if (prop->propertyName == property)
+	    return prop;
+    return NULL;
+}
+		       
+RRPropertyValuePtr
+RRGetOutputProperty (RROutputPtr output, Atom property, Bool pending)
+{
+    RRPropertyPtr   prop = RRQueryOutputProperty (output, property);
+
+    if (!prop)
+	return NULL;
+    if (pending && prop->is_pending)
+	return &prop->pending;
+    else
+	return &prop->current;
+}
+
+int
+RRConfigureOutputProperty (RROutputPtr output, Atom property,
+			   Bool pending, Bool range, Bool immutable,
+			   int num_values, INT32 *values)
+{
+    RRPropertyPtr   prop = RRQueryOutputProperty (output, property);
+    Bool	    add = FALSE;
+    INT32	    *new_values;
+
+    if (!prop)
+    {
+        prop = RRCreateOutputProperty (property);
+	if (!prop)
+	    return(BadAlloc);
+	add = TRUE;
+    } else if (prop->immutable && !immutable)
+	return(BadAccess);
+    
+    /*
+     * ranges must have even number of values
+     */
+    if (range && (num_values & 1))
+	return BadMatch;
+
+    new_values = xalloc (num_values * sizeof (INT32));
+    if (!new_values && num_values)
+	return BadAlloc;
+    if (num_values)
+	memcpy (new_values, values, num_values * sizeof (INT32));
+    
+    /*
+     * Property moving from pending to non-pending
+     * loses any pending values
+     */
+    if (prop->is_pending && !pending)
+    {
+	if (prop->pending.data)
+	    xfree (prop->pending.data);
+	RRInitOutputPropertyValue (&prop->pending);
+    }
+
+    prop->is_pending = pending;
+    prop->range = range;
+    prop->immutable = immutable;
+    prop->num_valid = num_values;
+    if (prop->valid_values)
+	xfree (prop->valid_values);
+    prop->valid_values = new_values;
+
+    if (add) {
+	prop->next = output->properties;
+	output->properties = prop;
+    }
+
+    return Success;
+}
+
+int
+ProcRRListOutputProperties (ClientPtr client)
+{
+    REQUEST(xRRListOutputPropertiesReq);
+    Atom			    *pAtoms = NULL, *temppAtoms;
+    xRRListOutputPropertiesReply    rep;
+    int				    numProps = 0;
+    RROutputPtr			    output;
+    RRPropertyPtr			    prop;
+    
+    REQUEST_SIZE_MATCH(xRRListOutputPropertiesReq);
+
+    output = LookupOutput (client, stuff->output, DixReadAccess);
+    
+    if (!output)
+        return RRErrorBase + BadRROutput;
+
+    for (prop = output->properties; prop; prop = prop->next)
+	numProps++;
+    if (numProps)
+        if(!(pAtoms = (Atom *)xalloc(numProps * sizeof(Atom))))
+            return(BadAlloc);
+
+    rep.type = X_Reply;
+    rep.length = (numProps * sizeof(Atom)) >> 2;
+    rep.sequenceNumber = client->sequence;
+    rep.nAtoms = numProps;
+    if (client->swapped) 
+    {
+	int n;
+	swaps (&rep.sequenceNumber, n);
+	swapl (&rep.length, n);
+	swaps (&rep.nAtoms, n);
+    }
+    temppAtoms = pAtoms;
+    for (prop = output->properties; prop; prop = prop->next)
+	*temppAtoms++ = prop->propertyName;
+
+    WriteToClient(client, sizeof(xRRListOutputPropertiesReply), (char*)&rep);
+    if (numProps)
+    {
+        client->pSwapReplyFunc = (ReplySwapPtr)Swap32Write;
+        WriteSwappedDataToClient(client, numProps * sizeof(Atom), pAtoms);
+        xfree(pAtoms);
+    }
+    return(client->noClientException);
+}
+
+int
+ProcRRQueryOutputProperty (ClientPtr client)
+{
+    REQUEST(xRRQueryOutputPropertyReq);
+    xRRQueryOutputPropertyReply	    rep;
+    RROutputPtr			    output;
+    RRPropertyPtr		    prop;
+    char *extra;
+    
+    REQUEST_SIZE_MATCH(xRRQueryOutputPropertyReq);
+
+    output = LookupOutput (client, stuff->output, DixReadAccess);
+    
+    if (!output)
+        return RRErrorBase + BadRROutput;
+    
+    prop = RRQueryOutputProperty (output, stuff->property);
+    if (!prop)
+	return BadName;
+    
+    if (prop->num_valid) {
+	extra = xalloc(prop->num_valid * sizeof(INT32));
+	if (!extra)
+	    return BadAlloc;
+    }
+    rep.type = X_Reply;
+    rep.length = prop->num_valid;
+    rep.sequenceNumber = client->sequence;
+    rep.pending = prop->is_pending;
+    rep.range = prop->range;
+    rep.immutable = prop->immutable;
+    if (client->swapped) 
+    {
+	int n;
+	swaps (&rep.sequenceNumber, n);
+	swapl (&rep.length, n);
+    }
+    WriteToClient (client, sizeof (xRRQueryOutputPropertyReply), (char*)&rep);
+    if (prop->num_valid)
+    {
+        memcpy(extra, prop->valid_values, prop->num_valid * sizeof(INT32));
+        client->pSwapReplyFunc = (ReplySwapPtr)Swap32Write;
+        WriteSwappedDataToClient(client, prop->num_valid * sizeof(INT32),
+				 extra);
+        xfree(extra);
+    }
+    return(client->noClientException);
+}
+
+int
+ProcRRConfigureOutputProperty (ClientPtr client)
+{
+    REQUEST(xRRConfigureOutputPropertyReq);
+    RROutputPtr				output;
+    int					num_valid;
+    
+    REQUEST_AT_LEAST_SIZE(xRRConfigureOutputPropertyReq);
+
+    output = LookupOutput (client, stuff->output, DixReadAccess);
+    
+    if (!output)
+        return RRErrorBase + BadRROutput;
+    
+    num_valid = stuff->length - (sizeof (xRRConfigureOutputPropertyReq) >> 2);
+    return RRConfigureOutputProperty (output, stuff->property,
+				      stuff->pending, stuff->range,
+				      FALSE, num_valid, 
+				      (INT32 *) (stuff + 1));
+}
+
+int
+ProcRRChangeOutputProperty (ClientPtr client)
+{
+    REQUEST(xRRChangeOutputPropertyReq);
+    RROutputPtr	    output;
+    char	    format, mode;
+    unsigned long   len;
+    int		    sizeInBytes;
+    int		    totalSize;
+    int		    err;
+
+    REQUEST_AT_LEAST_SIZE(xRRChangeOutputPropertyReq);
+    UpdateCurrentTime();
+    format = stuff->format;
+    mode = stuff->mode;
+    if ((mode != PropModeReplace) && (mode != PropModeAppend) &&
+	(mode != PropModePrepend))
+    {
+	client->errorValue = mode;
+	return BadValue;
+    }
+    if ((format != 8) && (format != 16) && (format != 32))
+    {
+	client->errorValue = format;
+        return BadValue;
+    }
+    len = stuff->nUnits;
+    if (len > ((0xffffffff - sizeof(xChangePropertyReq)) >> 2))
+	return BadLength;
+    sizeInBytes = format>>3;
+    totalSize = len * sizeInBytes;
+    REQUEST_FIXED_SIZE(xRRChangeOutputPropertyReq, totalSize);
+
+    output = LookupOutput (client, stuff->output, DixWriteAccess);
+    if (!output)
+	return RRErrorBase + BadRROutput;
+    
+    if (!ValidAtom(stuff->property))
+    {
+	client->errorValue = stuff->property;
+	return(BadAtom);
+    }
+    if (!ValidAtom(stuff->type))
+    {
+	client->errorValue = stuff->type;
+	return(BadAtom);
+    }
+
+    err = RRChangeOutputProperty(output, stuff->property,
+				 stuff->type, (int)format,
+				 (int)mode, len, (pointer)&stuff[1], TRUE, TRUE);
+    if (err != Success)
+	return err;
+    else
+	return client->noClientException;
+}
+
+int
+ProcRRDeleteOutputProperty (ClientPtr client)
+{
+    REQUEST(xRRDeleteOutputPropertyReq);
+    RROutputPtr	output;
+              
+    REQUEST_SIZE_MATCH(xRRDeleteOutputPropertyReq);
+    UpdateCurrentTime();
+    output = LookupOutput (client, stuff->output, DixWriteAccess);
+    if (!output)
+        return RRErrorBase + BadRROutput;
+    
+    if (!ValidAtom(stuff->property))
+    {
+	client->errorValue = stuff->property;
+	return (BadAtom);
+    }
+
+
+    RRDeleteOutputProperty(output, stuff->property);
+    return client->noClientException;
+}
+
+int
+ProcRRGetOutputProperty (ClientPtr client)
+{
+    REQUEST(xRRGetOutputPropertyReq);
+    RRPropertyPtr		prop, *prev;
+    RRPropertyValuePtr		prop_value;
+    unsigned long		n, len, ind;
+    RROutputPtr			output;
+    xRRGetOutputPropertyReply	reply;
+    char			*extra;
+
+    REQUEST_SIZE_MATCH(xRRGetOutputPropertyReq);
+    if (stuff->delete)
+	UpdateCurrentTime();
+    output = LookupOutput (client, stuff->output, 
+			   stuff->delete ? DixWriteAccess :
+			   DixReadAccess);
+    if (!output)
+	return RRErrorBase + BadRROutput;
+
+    if (!ValidAtom(stuff->property))
+    {
+	client->errorValue = stuff->property;
+	return(BadAtom);
+    }
+    if ((stuff->delete != xTrue) && (stuff->delete != xFalse))
+    {
+	client->errorValue = stuff->delete;
+	return(BadValue);
+    }
+    if ((stuff->type != AnyPropertyType) && !ValidAtom(stuff->type))
+    {
+	client->errorValue = stuff->type;
+	return(BadAtom);
+    }
+
+    for (prev = &output->properties; (prop = *prev); prev = &prop->next)
+	if (prop->propertyName == stuff->property) 
+	    break;
+
+    reply.type = X_Reply;
+    reply.sequenceNumber = client->sequence;
+    if (!prop) 
+    {
+	reply.nItems = 0;
+	reply.length = 0;
+	reply.bytesAfter = 0;
+	reply.propertyType = None;
+	reply.format = 0;
+	if (client->swapped) {
+	    int n;
+
+	    swaps(&reply.sequenceNumber, n);
+	    swapl(&reply.length, n);
+	    swapl(&reply.propertyType, n);
+	    swapl(&reply.bytesAfter, n);
+	    swapl(&reply.nItems, n);
+	}
+	WriteToClient(client, sizeof(xRRGetOutputPropertyReply), &reply);
+	return(client->noClientException);
+    }
+
+    if (prop->immutable && stuff->delete)
+	return BadAccess;
+
+    if (stuff->pending && prop->is_pending)
+	prop_value = &prop->pending;
+    else
+	prop_value = &prop->current;
+    
+    /* If the request type and actual type don't match. Return the
+    property information, but not the data. */
+
+    if (((stuff->type != prop_value->type) &&
+	 (stuff->type != AnyPropertyType))
+       )
+    {
+	reply.bytesAfter = prop_value->size;
+	reply.format = prop_value->format;
+	reply.length = 0;
+	reply.nItems = 0;
+	reply.propertyType = prop_value->type;
+	if (client->swapped) {
+	    int n;
+
+	    swaps(&reply.sequenceNumber, n);
+	    swapl(&reply.length, n);
+	    swapl(&reply.propertyType, n);
+	    swapl(&reply.bytesAfter, n);
+	    swapl(&reply.nItems, n);
+	}
+	WriteToClient(client, sizeof(xRRGetOutputPropertyReply), &reply);
+	return(client->noClientException);
+    }
+
+/*
+ *  Return type, format, value to client
+ */
+    n = (prop_value->format/8) * prop_value->size; /* size (bytes) of prop */
+    ind = stuff->longOffset << 2;        
+
+   /* If longOffset is invalid such that it causes "len" to
+	    be negative, it's a value error. */
+
+    if (n < ind)
+    {
+	client->errorValue = stuff->longOffset;
+	return BadValue;
+    }
+
+    len = min(n - ind, 4 * stuff->longLength);
+
+    if (len) {
+	extra = xalloc(len);
+	if (!extra)
+	    return BadAlloc;
+    }
+    reply.bytesAfter = n - (ind + len);
+    reply.format = prop_value->format;
+    reply.length = (len + 3) >> 2;
+    if (prop_value->format)
+	reply.nItems = len / (prop_value->format / 8);
+    else
+	reply.nItems = 0;
+    reply.propertyType = prop_value->type;
+
+    if (stuff->delete && (reply.bytesAfter == 0))
+    {
+	xRROutputPropertyNotifyEvent    event;
+
+	event.type = RREventBase + RRNotify;
+	event.subCode = RRNotify_OutputProperty;
+	event.output = output->id;
+	event.state = PropertyDelete;
+	event.atom = prop->propertyName;
+	event.timestamp = currentTime.milliseconds;
+	RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
+    }
+
+    if (client->swapped) {
+	int n;
+
+	swaps(&reply.sequenceNumber, n);
+	swapl(&reply.length, n);
+	swapl(&reply.propertyType, n);
+	swapl(&reply.bytesAfter, n);
+	swapl(&reply.nItems, n);
+    }
+    WriteToClient(client, sizeof(xGenericReply), &reply);
+    if (len)
+    {
+	memcpy(extra, (char *)prop_value->data + ind, len);
+	switch (reply.format) {
+	case 32: client->pSwapReplyFunc = (ReplySwapPtr)CopySwap32Write; break;
+	case 16: client->pSwapReplyFunc = (ReplySwapPtr)CopySwap16Write; break;
+	default: client->pSwapReplyFunc = (ReplySwapPtr)WriteToClient; break;
+	}
+	WriteSwappedDataToClient(client, len,
+				 extra);
+	xfree(extra);
+    }
+
+    if (stuff->delete && (reply.bytesAfter == 0))
+    { /* delete the Property */
+	*prev = prop->next;
+	RRDestroyOutputProperty (prop);
+    }
+    return(client->noClientException);
+}
+

nx-X11/programs/Xserver/randr/rrscreen.c

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NX-X11, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include "randrstr.h"
+
+extern char	*ConnectionInfo;
+
+static int padlength[4] = {0, 3, 2, 1};
+
+static CARD16
+RR10CurrentSizeID (ScreenPtr pScreen);
+
+/*
+ * Edit connection information block so that new clients
+ * see the current screen size on connect
+ */
+static void
+RREditConnectionInfo (ScreenPtr pScreen)
+{
+    xConnSetup	    *connSetup;
+    char	    *vendor;
+    xPixmapFormat   *formats;
+    xWindowRoot	    *root;
+    xDepth	    *depth;
+    xVisualType	    *visual;
+    int		    screen = 0;
+    int		    d;
+
+    connSetup = (xConnSetup *) ConnectionInfo;
+    vendor = (char *) connSetup + sizeof (xConnSetup);
+    formats = (xPixmapFormat *) ((char *) vendor +
+				 connSetup->nbytesVendor +
+				 padlength[connSetup->nbytesVendor & 3]);
+    root = (xWindowRoot *) ((char *) formats +
+			    sizeof (xPixmapFormat) * screenInfo.numPixmapFormats);
+    while (screen != pScreen->myNum)
+    {
+	depth = (xDepth *) ((char *) root + 
+			    sizeof (xWindowRoot));
+	for (d = 0; d < root->nDepths; d++)
+	{
+	    visual = (xVisualType *) ((char *) depth +
+				      sizeof (xDepth));
+	    depth = (xDepth *) ((char *) visual +
+				depth->nVisuals * sizeof (xVisualType));
+	}
+	root = (xWindowRoot *) ((char *) depth);
+	screen++;
+    }
+    root->pixWidth = pScreen->width;
+    root->pixHeight = pScreen->height;
+    root->mmWidth = pScreen->mmWidth;
+    root->mmHeight = pScreen->mmHeight;
+}
+
+void
+RRSendConfigNotify (ScreenPtr pScreen)
+{
+    WindowPtr	pWin = WindowTable[pScreen->myNum];
+    xEvent	event;
+
+    event.u.u.type = ConfigureNotify;
+    event.u.configureNotify.window = pWin->drawable.id;
+    event.u.configureNotify.aboveSibling = None;
+    event.u.configureNotify.x = 0;
+    event.u.configureNotify.y = 0;
+
+    /* XXX xinerama stuff ? */
+    
+    event.u.configureNotify.width = pWin->drawable.width;
+    event.u.configureNotify.height = pWin->drawable.height;
+    event.u.configureNotify.borderWidth = wBorderWidth (pWin);
+    event.u.configureNotify.override = pWin->overrideRedirect;
+    DeliverEvents(pWin, &event, 1, NullWindow);
+}
+
+void
+RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen)
+{
+    rrScrPriv (pScreen);
+    xRRScreenChangeNotifyEvent	se;
+    RRCrtcPtr	crtc = pScrPriv->numCrtcs ? pScrPriv->crtcs[0] : NULL;
+    WindowPtr	pRoot = WindowTable[pScreen->myNum];
+    
+    se.type = RRScreenChangeNotify + RREventBase;
+    se.rotation = (CARD8) (crtc ? crtc->rotation : RR_Rotate_0);
+    se.timestamp = pScrPriv->lastSetTime.milliseconds;
+    se.sequenceNumber = client->sequence;
+    se.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    se.root =  pRoot->drawable.id;
+    se.window = pWin->drawable.id;
+#ifdef RENDER
+    se.subpixelOrder = PictureGetSubpixelOrder (pScreen);
+#else
+    se.subpixelOrder = SubPixelUnknown;
+#endif
+
+    se.sequenceNumber = client->sequence;
+    se.sizeID = RR10CurrentSizeID (pScreen);
+
+    if (se.rotation & (RR_Rotate_90 | RR_Rotate_270)) {
+	se.widthInPixels = pScreen->height;
+	se.heightInPixels = pScreen->width;
+	se.widthInMillimeters = pScreen->mmHeight;
+	se.heightInMillimeters = pScreen->mmWidth;
+    } else {
+	se.widthInPixels = pScreen->width;
+	se.heightInPixels = pScreen->height;
+	se.widthInMillimeters = pScreen->mmWidth;
+	se.heightInMillimeters = pScreen->mmHeight;
+    }
+
+    WriteEventsToClient (client, 1, (xEvent *) &se);
+}
+
+/*
+ * Notify the extension that the screen size has been changed.
+ * The driver is responsible for calling this whenever it has changed
+ * the size of the screen
+ */
+void
+RRScreenSizeNotify (ScreenPtr	pScreen)
+{
+    rrScrPriv(pScreen);
+    /*
+     * Deliver ConfigureNotify events when root changes
+     * pixel size
+     */
+    if (pScrPriv->width == pScreen->width &&
+	pScrPriv->height == pScreen->height &&
+	pScrPriv->mmWidth == pScreen->mmWidth &&
+	pScrPriv->mmHeight == pScreen->mmHeight)
+	return;
+    
+    pScrPriv->width = pScreen->width;
+    pScrPriv->height = pScreen->height;
+    pScrPriv->mmWidth = pScreen->mmWidth;
+    pScrPriv->mmHeight = pScreen->mmHeight;
+    pScrPriv->changed = TRUE;
+/*    pScrPriv->sizeChanged = TRUE; */
+
+    RRTellChanged (pScreen);
+    RRSendConfigNotify (pScreen);
+    RREditConnectionInfo (pScreen);
+    
+    RRPointerScreenConfigured (pScreen);
+    /*
+     * Fix pointer bounds and location
+     */
+    ScreenRestructured (pScreen);
+}
+
+/*
+ * Request that the screen be resized
+ */
+Bool
+RRScreenSizeSet (ScreenPtr  pScreen,
+		 CARD16	    width,
+		 CARD16	    height,
+		 CARD32	    mmWidth,
+		 CARD32	    mmHeight)
+{
+    rrScrPriv(pScreen);
+
+#if RANDR_12_INTERFACE
+    if (pScrPriv->rrScreenSetSize)
+    {
+	return (*pScrPriv->rrScreenSetSize) (pScreen,
+					     width, height,
+					     mmWidth, mmHeight);
+    }
+#endif
+#if RANDR_10_INTERFACE
+    if (pScrPriv->rrSetConfig)
+    {
+	return TRUE;	/* can't set size separately */
+    }
+#endif
+    return FALSE;
+}
+
+/*
+ * Retrieve valid screen size range
+ */
+int 
+ProcRRGetScreenSizeRange (ClientPtr client)
+{
+    REQUEST(xRRGetScreenSizeRangeReq);
+    xRRGetScreenSizeRangeReply	rep;
+    WindowPtr			pWin;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    int				rc;
+    
+    REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    rep.type = X_Reply;
+    rep.pad = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    
+    if (pScrPriv) 
+    {
+	if (!RRGetInfo (pScreen))
+	    return BadAlloc;
+	rep.minWidth  = pScrPriv->minWidth;
+	rep.minHeight = pScrPriv->minHeight;
+	rep.maxWidth  = pScrPriv->maxWidth;
+	rep.maxHeight = pScrPriv->maxHeight;
+    }
+    else
+    {
+	rep.maxWidth  = rep.minWidth  = pScreen->width;
+	rep.maxHeight = rep.minHeight = pScreen->height;
+    }
+    if (client->swapped) 
+    {
+	int n;
+	
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swaps(&rep.minWidth, n);
+	swaps(&rep.minHeight, n);
+	swaps(&rep.maxWidth, n);
+	swaps(&rep.maxHeight, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenSizeRangeReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+int
+ProcRRSetScreenSize (ClientPtr client)
+{
+    REQUEST(xRRSetScreenSizeReq);
+    WindowPtr		pWin;
+    ScreenPtr		pScreen;
+    rrScrPrivPtr	pScrPriv;
+    int			i, rc;
+    
+    REQUEST_SIZE_MATCH(xRRSetScreenSizeReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    if (stuff->width < pScrPriv->minWidth || pScrPriv->maxWidth < stuff->width)
+    {
+	client->errorValue = stuff->width;
+	return BadValue;
+    }
+    if (stuff->height < pScrPriv->minHeight || 
+	pScrPriv->maxHeight < stuff->height)
+    {
+	client->errorValue = stuff->height;
+	return BadValue;
+    }
+    for (i = 0; i < pScrPriv->numCrtcs; i++) 
+    {
+	RRCrtcPtr   crtc = pScrPriv->crtcs[i];
+	RRModePtr   mode = crtc->mode;
+	if (mode)
+	{
+	    int		source_width = mode->mode.width;
+	    int		source_height = mode->mode.height;
+	    Rotation	rotation = crtc->rotation;
+
+	    if (rotation == RR_Rotate_90 || rotation == RR_Rotate_270)
+	    {
+		source_width = mode->mode.height;
+		source_height = mode->mode.width;
+	    }
+	    
+	    if (crtc->x + source_width > stuff->width ||
+		crtc->y + source_height > stuff->height)
+	    return BadMatch;
+	}
+    }
+    if (stuff->widthInMillimeters == 0 || stuff->heightInMillimeters == 0)
+    {
+	client->errorValue = 0;
+	return BadValue;
+    }
+    if (!RRScreenSizeSet (pScreen, 
+			  stuff->width, stuff->height,
+			  stuff->widthInMillimeters,
+			  stuff->heightInMillimeters))
+    {
+	return BadMatch;
+    }
+    return Success;
+}
+
+int
+ProcRRGetScreenResources (ClientPtr client)
+{
+    REQUEST(xRRGetScreenResourcesReq);
+    xRRGetScreenResourcesReply  rep;
+    WindowPtr			pWin;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    CARD8			*extra;
+    unsigned long		extraLen;
+    int				i, n, rc;
+    RRCrtc			*crtcs;
+    RROutput			*outputs;
+    xRRModeInfo			*modeinfos;
+    CARD8			*names;
+    
+    REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+    
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    rep.pad = 0;
+    
+    if (pScrPriv)
+	if (!RRGetInfo (pScreen))
+	    return BadAlloc;
+
+    if (!pScrPriv)
+    {
+	rep.type = X_Reply;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.timestamp = currentTime.milliseconds;
+	rep.configTimestamp = currentTime.milliseconds;
+	rep.nCrtcs = 0;
+	rep.nOutputs = 0;
+	rep.nModes = 0;
+	rep.nbytesNames = 0;
+	extra = NULL;
+	extraLen = 0;
+    }
+    else
+    {
+	RRModePtr   *modes;
+	int	    num_modes;
+
+	modes = RRModesForScreen (pScreen, &num_modes);
+	if (!modes)
+	    return BadAlloc;
+	
+	rep.type = X_Reply;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+	rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+	rep.nCrtcs = pScrPriv->numCrtcs;
+	rep.nOutputs = pScrPriv->numOutputs;
+	rep.nModes = num_modes;
+	rep.nbytesNames = 0;
+
+	for (i = 0; i < num_modes; i++)
+	    rep.nbytesNames += modes[i]->mode.nameLength;
+
+	rep.length = (pScrPriv->numCrtcs + 
+		      pScrPriv->numOutputs + 
+		      num_modes * (SIZEOF(xRRModeInfo) >> 2) +
+		      ((rep.nbytesNames + 3) >> 2));
+	
+	extraLen = rep.length << 2;
+	if (extraLen)
+	{
+	    extra = xalloc (extraLen);
+	    if (!extra)
+	    {
+		xfree (modes);
+		return BadAlloc;
+	    }
+	}
+	else
+	    extra = NULL;
+
+	crtcs = (RRCrtc *) extra;
+	outputs = (RROutput *) (crtcs + pScrPriv->numCrtcs);
+	modeinfos = (xRRModeInfo *) (outputs + pScrPriv->numOutputs);
+	names = (CARD8 *) (modeinfos + num_modes);
+	
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	{
+	    crtcs[i] = pScrPriv->crtcs[i]->id;
+	    if (client->swapped)
+		swapl (&crtcs[i], n);
+	}
+	
+	for (i = 0; i < pScrPriv->numOutputs; i++)
+	{
+	    outputs[i] = pScrPriv->outputs[i]->id;
+	    if (client->swapped)
+		swapl (&outputs[i], n);
+	}
+	
+	for (i = 0; i < num_modes; i++)
+	{
+	    RRModePtr	mode = modes[i];
+	    modeinfos[i] = mode->mode;
+	    if (client->swapped)
+	    {
+		swapl (&modeinfos[i].id, n);
+		swaps (&modeinfos[i].width, n);
+		swaps (&modeinfos[i].height, n);
+		swapl (&modeinfos[i].dotClock, n);
+		swaps (&modeinfos[i].hSyncStart, n);
+		swaps (&modeinfos[i].hSyncEnd, n);
+		swaps (&modeinfos[i].hTotal, n);
+		swaps (&modeinfos[i].hSkew, n);
+		swaps (&modeinfos[i].vSyncStart, n);
+		swaps (&modeinfos[i].vSyncEnd, n);
+		swaps (&modeinfos[i].vTotal, n);
+		swaps (&modeinfos[i].nameLength, n);
+		swapl (&modeinfos[i].modeFlags, n);
+	    }
+	    memcpy (names, mode->name, 
+		    mode->mode.nameLength);
+	    names += mode->mode.nameLength;
+	}
+    	xfree (modes);
+	assert (((((char *) names - (char *) extra) + 3) >> 2) == rep.length);
+    }
+    
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swapl(&rep.configTimestamp, n);
+	swaps(&rep.nCrtcs, n);
+	swaps(&rep.nOutputs, n);
+	swaps(&rep.nModes, n);
+	swaps(&rep.nbytesNames, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenResourcesReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    return client->noClientException;
+}
+
+typedef struct _RR10Data {
+    RRScreenSizePtr sizes;
+    int		    nsize;
+    int		    nrefresh;
+    int		    size;
+    CARD16	    refresh;
+} RR10DataRec, *RR10DataPtr;
+
+/*
+ * Convert 1.2 monitor data into 1.0 screen data
+ */
+static RR10DataPtr
+RR10GetData (ScreenPtr pScreen, RROutputPtr output)
+{
+    RR10DataPtr	    data;
+    RRScreenSizePtr size;
+    int		    nmode = output->numModes + output->numUserModes;
+    int		    o, os, l, r;
+    RRScreenRatePtr refresh;
+    CARD16	    vRefresh;
+    RRModePtr	    mode;
+    Bool	    *used;
+
+    /* Make sure there is plenty of space for any combination */
+    data = malloc (sizeof (RR10DataRec) + 
+		   sizeof (RRScreenSize) * nmode + 
+		   sizeof (RRScreenRate) * nmode +
+		   sizeof (Bool) * nmode);
+    if (!data)
+	return NULL;
+    size = (RRScreenSizePtr) (data + 1);
+    refresh = (RRScreenRatePtr) (size + nmode);
+    used = (Bool *) (refresh + nmode);
+    memset (used, '\0', sizeof (Bool) * nmode);
+    data->sizes = size;
+    data->nsize = 0;
+    data->nrefresh = 0;
+    data->size = 0;
+    data->refresh = 0;
+    
+    /*
+     * find modes not yet listed
+     */
+    for (o = 0; o < output->numModes + output->numUserModes; o++)
+    {
+	if (used[o]) continue;
+	
+	if (o < output->numModes)
+	    mode = output->modes[o];
+	else
+	    mode = output->userModes[o - output->numModes];
+	
+	l = data->nsize;
+	size[l].id = data->nsize;
+	size[l].width = mode->mode.width;
+	size[l].height = mode->mode.height;
+	if (output->mmWidth && output->mmHeight) {
+	    size[l].mmWidth = output->mmWidth;
+	    size[l].mmHeight = output->mmHeight;
+	} else {
+	    size[l].mmWidth = pScreen->mmWidth;
+	    size[l].mmHeight = pScreen->mmHeight;
+	}
+	size[l].nRates = 0;
+	size[l].pRates = &refresh[data->nrefresh];
+	data->nsize++;
+	
+	/*
+	 * Find all modes with matching size
+	 */
+	for (os = o; os < output->numModes + output->numUserModes; os++)
+	{
+	    if (os < output->numModes)
+		mode = output->modes[os];
+	    else
+		mode = output->userModes[os - output->numModes];
+	    if (mode->mode.width == size[l].width &&
+		mode->mode.height == size[l].height)
+	    {
+		vRefresh = RRVerticalRefresh (&mode->mode);
+		used[os] = TRUE;
+		
+		for (r = 0; r < size[l].nRates; r++)
+		    if (vRefresh == size[l].pRates[r].rate)
+			break;
+		if (r == size[l].nRates)
+		{
+		    size[l].pRates[r].rate = vRefresh;
+		    size[l].pRates[r].mode = mode;
+		    size[l].nRates++;
+		    data->nrefresh++;
+		}
+		if (mode == output->crtc->mode)
+		{
+		    data->size = l;
+		    data->refresh = vRefresh;
+		}
+	    }
+	}
+    }
+    return data;
+}
+
+int
+ProcRRGetScreenInfo (ClientPtr client)
+{
+    REQUEST(xRRGetScreenInfoReq);
+    xRRGetScreenInfoReply   rep;
+    WindowPtr	    	    pWin;
+    int			    n, rc;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    CARD8		    *extra;
+    unsigned long	    extraLen;
+    RROutputPtr		    output;
+
+    REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    rep.pad = 0;
+    
+    if (pScrPriv)
+	if (!RRGetInfo (pScreen))
+	    return BadAlloc;
+
+    output = RRFirstOutput (pScreen);
+    
+    if (!pScrPriv || !output)
+    {
+	rep.type = X_Reply;
+	rep.setOfRotations = RR_Rotate_0;;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
+	rep.timestamp = currentTime.milliseconds;
+	rep.configTimestamp = currentTime.milliseconds;
+	rep.nSizes = 0;
+	rep.sizeID = 0;
+	rep.rotation = RR_Rotate_0;
+	rep.rate = 0;
+	rep.nrateEnts = 0;
+	extra = 0;
+	extraLen = 0;
+    }
+    else
+    {
+	int			i, j;
+	xScreenSizes		*size;
+	CARD16			*rates;
+	CARD8			*data8;
+	Bool			has_rate = RRClientKnowsRates (client);
+	RR10DataPtr		pData;
+	RRScreenSizePtr		pSize;
+    
+	pData = RR10GetData (pScreen, output);
+	if (!pData)
+	    return BadAlloc;
+	
+	rep.type = X_Reply;
+	rep.setOfRotations = output->crtc->rotations;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
+	rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+	rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+	rep.rotation = output->crtc->rotation;
+	rep.nSizes = pData->nsize;
+        rep.nrateEnts = pData->nrefresh + pData->nsize;
+	rep.sizeID = pData->size;
+	rep.rate = pData->refresh;
+
+	extraLen = (rep.nSizes * sizeof (xScreenSizes) +
+		    rep.nrateEnts * sizeof (CARD16));
+
+	if (extraLen)
+	{
+	    extra = (CARD8 *) xalloc (extraLen);
+	    if (!extra)
+	    {
+		xfree (pData);
+		return BadAlloc;
+	    }
+	}
+	else
+	    extra = NULL;
+
+	/*
+	 * First comes the size information
+	 */
+	size = (xScreenSizes *) extra;
+	rates = (CARD16 *) (size + rep.nSizes);
+	for (i = 0; i < pData->nsize; i++)
+	{
+	    pSize = &pData->sizes[i];
+	    size->widthInPixels = pSize->width;
+	    size->heightInPixels = pSize->height;
+	    size->widthInMillimeters = pSize->mmWidth;
+	    size->heightInMillimeters = pSize->mmHeight;
+	    if (client->swapped)
+	    {
+	        swaps (&size->widthInPixels, n);
+	        swaps (&size->heightInPixels, n);
+	        swaps (&size->widthInMillimeters, n);
+	        swaps (&size->heightInMillimeters, n);
+	    }
+	    size++;
+	    if (has_rate)
+	    {
+		*rates = pSize->nRates;
+		if (client->swapped)
+		{
+		    swaps (rates, n);
+		}
+		rates++;
+		for (j = 0; j < pSize->nRates; j++)
+		{
+		    *rates = pSize->pRates[j].rate;
+		    if (client->swapped)
+		    {
+			swaps (rates, n);
+		    }
+		    rates++;
+		}
+	    }
+	}
+        xfree (pData);
+	
+	data8 = (CARD8 *) rates;
+
+	if (data8 - (CARD8 *) extra != extraLen)
+	    FatalError ("RRGetScreenInfo bad extra len %ld != %ld\n",
+			(unsigned long)(data8 - (CARD8 *) extra), extraLen);
+	rep.length =  (extraLen + 3) >> 2;
+    }
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swaps(&rep.rotation, n);
+	swaps(&rep.nSizes, n);
+	swaps(&rep.sizeID, n);
+	swaps(&rep.rate, n);
+	swaps(&rep.nrateEnts, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenInfoReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    return (client->noClientException);
+}
+
+int
+ProcRRSetScreenConfig (ClientPtr client)
+{
+    REQUEST(xRRSetScreenConfigReq);
+    xRRSetScreenConfigReply rep;
+    DrawablePtr		    pDraw;
+    int			    n, rc;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    TimeStamp		    time;
+    int			    i;
+    Rotation		    rotation;
+    int			    rate;
+    Bool		    has_rate;
+    RROutputPtr		    output;
+    RRCrtcPtr		    crtc;
+    RRModePtr		    mode;
+    RR10DataPtr		    pData = NULL;
+    RRScreenSizePtr    	    pSize;
+    int			    width, height;
+    
+    UpdateCurrentTime ();
+
+    if (RRClientKnowsRates (client))
+    {
+	REQUEST_SIZE_MATCH (xRRSetScreenConfigReq);
+	has_rate = TRUE;
+    }
+    else
+    {
+	REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq);
+	has_rate = FALSE;
+    }
+    
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess);
+    #else
+    pDraw = SecurityLookupDrawable(stuff->drawable, client, SecurityWriteAccess);
+    rc = pDraw ? Success : BadDrawable;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pDraw->pScreen;
+
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    time = ClientTimeToServerTime(stuff->timestamp);
+    
+    if (!pScrPriv)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    if (!RRGetInfo (pScreen))
+	return BadAlloc;
+    
+    output = RRFirstOutput (pScreen);
+    if (!output)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+
+    crtc = output->crtc;
+
+    /*
+     * If the client's config timestamp is not the same as the last config
+     * timestamp, then the config information isn't up-to-date and
+     * can't even be validated.
+     *
+     * Note that the client only knows about the milliseconds part of the
+     * timestamp, so using CompareTimeStamps here would cause randr to suddenly
+     * stop working after several hours have passed (freedesktop bug #6502).
+     */
+    if (stuff->configTimestamp != pScrPriv->lastConfigTime.milliseconds)
+    {
+	rep.status = RRSetConfigInvalidConfigTime;
+	goto sendReply;
+    }
+    
+    pData = RR10GetData (pScreen, output);
+    if (!pData)
+	return BadAlloc;
+    
+    if (stuff->sizeID >= pData->nsize)
+    {
+	/*
+	 * Invalid size ID
+	 */
+	client->errorValue = stuff->sizeID;
+	xfree (pData);
+	return BadValue;
+    }
+    pSize = &pData->sizes[stuff->sizeID];
+    
+    /*
+     * Validate requested rotation
+     */
+    rotation = (Rotation) stuff->rotation;
+
+    /* test the rotation bits only! */
+    switch (rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_90:
+    case RR_Rotate_180:
+    case RR_Rotate_270:
+	break;
+    default:
+	/*
+	 * Invalid rotation
+	 */
+	client->errorValue = stuff->rotation;
+	xfree (pData);
+	return BadValue;
+    }
+
+    if ((~crtc->rotations) & rotation)
+    {
+	/*
+	 * requested rotation or reflection not supported by screen
+	 */
+	client->errorValue = stuff->rotation;
+	xfree (pData);
+	return BadMatch;
+    }
+
+    /*
+     * Validate requested refresh
+     */
+    if (has_rate)
+	rate = (int) stuff->rate;
+    else
+	rate = 0;
+
+    if (rate)
+    {
+	for (i = 0; i < pSize->nRates; i++)
+	{
+	    if (pSize->pRates[i].rate == rate)
+		break;
+	}
+	if (i == pSize->nRates)
+	{
+	    /*
+	     * Invalid rate
+	     */
+	    client->errorValue = rate;
+	    xfree (pData);
+	    return BadValue;
+	}
+	mode = pSize->pRates[i].mode;
+    }
+    else
+	mode = pSize->pRates[0].mode;
+    
+    /*
+     * Make sure the requested set-time is not older than
+     * the last set-time
+     */
+    if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0)
+    {
+	rep.status = RRSetConfigInvalidTime;
+	goto sendReply;
+    }
+
+    /*
+     * If the screen size is changing, adjust all of the other outputs
+     * to fit the new size, mirroring as much as possible
+     */
+    width = mode->mode.width;
+    height = mode->mode.height;
+    if (rotation & (RR_Rotate_90|RR_Rotate_270))
+    {
+	width = mode->mode.height;
+	height = mode->mode.width;
+    }
+    if (width != pScreen->width || height != pScreen->height)
+    {
+	int	c;
+
+	for (c = 0; c < pScrPriv->numCrtcs; c++)
+	{
+	    if (!RRCrtcSet (pScrPriv->crtcs[c], NULL, 0, 0, RR_Rotate_0,
+			    0, NULL))
+	    {
+		rep.status = RRSetConfigFailed;
+		/* XXX recover from failure */
+		goto sendReply;
+	    }
+	}
+	if (!RRScreenSizeSet (pScreen, width, height,
+			      pScreen->mmWidth, pScreen->mmHeight))
+	{
+	    rep.status = RRSetConfigFailed;
+	    /* XXX recover from failure */
+	    goto sendReply;
+	}
+    }
+
+    if (!RRCrtcSet (crtc, mode, 0, 0, stuff->rotation, 1, &output))
+	rep.status = RRSetConfigFailed;
+    #ifndef NXAGENT_SERVER /* Bug 21987 */
+    else
+	rep.status = RRSetConfigSuccess;
+    #else
+    else {
+	rep.status = RRSetConfigSuccess;
+	pScrPriv->lastSetTime = time;
+    }
+    #endif
+
+    /*
+     * XXX Configure other crtcs to mirror as much as possible
+     */
+    
+sendReply:
+    
+    if (pData)
+	xfree (pData);
+
+    rep.type = X_Reply;
+    /* rep.status has already been filled in */
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+
+    rep.newTimestamp = pScrPriv->lastSetTime.milliseconds;
+    rep.newConfigTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    rep.root = WindowTable[pDraw->pScreen->myNum]->drawable.id;
+
+    if (client->swapped) 
+    {
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.newTimestamp, n);
+	swapl(&rep.newConfigTimestamp, n);
+	swapl(&rep.root, n);
+    }
+    WriteToClient(client, sizeof(xRRSetScreenConfigReply), (char *)&rep);
+
+    return (client->noClientException);
+}
+
+static CARD16
+RR10CurrentSizeID (ScreenPtr pScreen)
+{
+    CARD16	sizeID = 0xffff;
+    RROutputPtr output = RRFirstOutput (pScreen);
+    
+    if (output)
+    {
+	RR10DataPtr data = RR10GetData (pScreen, output);
+	if (data)
+	{
+	    int i;
+	    for (i = 0; i < data->nsize; i++)
+		if (data->sizes[i].width == pScreen->width &&
+		    data->sizes[i].height == pScreen->height)
+		{
+		    sizeID = (CARD16) i;
+		    break;
+		}
+	    xfree (data);
+	}
+    }
+    return sizeID;
+}

nx-X11/programs/Xserver/randr/rrscreen.c.NX.original

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NX-X11, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include "randrstr.h"
+
+extern char	*ConnectionInfo;
+
+static int padlength[4] = {0, 3, 2, 1};
+
+static CARD16
+RR10CurrentSizeID (ScreenPtr pScreen);
+
+/*
+ * Edit connection information block so that new clients
+ * see the current screen size on connect
+ */
+static void
+RREditConnectionInfo (ScreenPtr pScreen)
+{
+    xConnSetup	    *connSetup;
+    char	    *vendor;
+    xPixmapFormat   *formats;
+    xWindowRoot	    *root;
+    xDepth	    *depth;
+    xVisualType	    *visual;
+    int		    screen = 0;
+    int		    d;
+
+    connSetup = (xConnSetup *) ConnectionInfo;
+    vendor = (char *) connSetup + sizeof (xConnSetup);
+    formats = (xPixmapFormat *) ((char *) vendor +
+				 connSetup->nbytesVendor +
+				 padlength[connSetup->nbytesVendor & 3]);
+    root = (xWindowRoot *) ((char *) formats +
+			    sizeof (xPixmapFormat) * screenInfo.numPixmapFormats);
+    while (screen != pScreen->myNum)
+    {
+	depth = (xDepth *) ((char *) root + 
+			    sizeof (xWindowRoot));
+	for (d = 0; d < root->nDepths; d++)
+	{
+	    visual = (xVisualType *) ((char *) depth +
+				      sizeof (xDepth));
+	    depth = (xDepth *) ((char *) visual +
+				depth->nVisuals * sizeof (xVisualType));
+	}
+	root = (xWindowRoot *) ((char *) depth);
+	screen++;
+    }
+    root->pixWidth = pScreen->width;
+    root->pixHeight = pScreen->height;
+    root->mmWidth = pScreen->mmWidth;
+    root->mmHeight = pScreen->mmHeight;
+}
+
+void
+RRSendConfigNotify (ScreenPtr pScreen)
+{
+    WindowPtr	pWin = WindowTable[pScreen->myNum];
+    xEvent	event;
+
+    event.u.u.type = ConfigureNotify;
+    event.u.configureNotify.window = pWin->drawable.id;
+    event.u.configureNotify.aboveSibling = None;
+    event.u.configureNotify.x = 0;
+    event.u.configureNotify.y = 0;
+
+    /* XXX xinerama stuff ? */
+    
+    event.u.configureNotify.width = pWin->drawable.width;
+    event.u.configureNotify.height = pWin->drawable.height;
+    event.u.configureNotify.borderWidth = wBorderWidth (pWin);
+    event.u.configureNotify.override = pWin->overrideRedirect;
+    DeliverEvents(pWin, &event, 1, NullWindow);
+}
+
+void
+RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen)
+{
+    rrScrPriv (pScreen);
+    xRRScreenChangeNotifyEvent	se;
+    RRCrtcPtr	crtc = pScrPriv->numCrtcs ? pScrPriv->crtcs[0] : NULL;
+    WindowPtr	pRoot = WindowTable[pScreen->myNum];
+    
+    se.type = RRScreenChangeNotify + RREventBase;
+    se.rotation = (CARD8) (crtc ? crtc->rotation : RR_Rotate_0);
+    se.timestamp = pScrPriv->lastSetTime.milliseconds;
+    se.sequenceNumber = client->sequence;
+    se.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    se.root =  pRoot->drawable.id;
+    se.window = pWin->drawable.id;
+#ifdef RENDER
+    se.subpixelOrder = PictureGetSubpixelOrder (pScreen);
+#else
+    se.subpixelOrder = SubPixelUnknown;
+#endif
+
+    se.sequenceNumber = client->sequence;
+    se.sizeID = RR10CurrentSizeID (pScreen);
+
+    if (se.rotation & (RR_Rotate_90 | RR_Rotate_270)) {
+	se.widthInPixels = pScreen->height;
+	se.heightInPixels = pScreen->width;
+	se.widthInMillimeters = pScreen->mmHeight;
+	se.heightInMillimeters = pScreen->mmWidth;
+    } else {
+	se.widthInPixels = pScreen->width;
+	se.heightInPixels = pScreen->height;
+	se.widthInMillimeters = pScreen->mmWidth;
+	se.heightInMillimeters = pScreen->mmHeight;
+    }
+
+    WriteEventsToClient (client, 1, (xEvent *) &se);
+}
+
+/*
+ * Notify the extension that the screen size has been changed.
+ * The driver is responsible for calling this whenever it has changed
+ * the size of the screen
+ */
+void
+RRScreenSizeNotify (ScreenPtr	pScreen)
+{
+    rrScrPriv(pScreen);
+    /*
+     * Deliver ConfigureNotify events when root changes
+     * pixel size
+     */
+    if (pScrPriv->width == pScreen->width &&
+	pScrPriv->height == pScreen->height &&
+	pScrPriv->mmWidth == pScreen->mmWidth &&
+	pScrPriv->mmHeight == pScreen->mmHeight)
+	return;
+    
+    pScrPriv->width = pScreen->width;
+    pScrPriv->height = pScreen->height;
+    pScrPriv->mmWidth = pScreen->mmWidth;
+    pScrPriv->mmHeight = pScreen->mmHeight;
+    pScrPriv->changed = TRUE;
+/*    pScrPriv->sizeChanged = TRUE; */
+
+    RRTellChanged (pScreen);
+    RRSendConfigNotify (pScreen);
+    RREditConnectionInfo (pScreen);
+    
+    RRPointerScreenConfigured (pScreen);
+    /*
+     * Fix pointer bounds and location
+     */
+    ScreenRestructured (pScreen);
+}
+
+/*
+ * Request that the screen be resized
+ */
+Bool
+RRScreenSizeSet (ScreenPtr  pScreen,
+		 CARD16	    width,
+		 CARD16	    height,
+		 CARD32	    mmWidth,
+		 CARD32	    mmHeight)
+{
+    rrScrPriv(pScreen);
+
+#if RANDR_12_INTERFACE
+    if (pScrPriv->rrScreenSetSize)
+    {
+	return (*pScrPriv->rrScreenSetSize) (pScreen,
+					     width, height,
+					     mmWidth, mmHeight);
+    }
+#endif
+#if RANDR_10_INTERFACE
+    if (pScrPriv->rrSetConfig)
+    {
+	return TRUE;	/* can't set size separately */
+    }
+#endif
+    return FALSE;
+}
+
+/*
+ * Retrieve valid screen size range
+ */
+int 
+ProcRRGetScreenSizeRange (ClientPtr client)
+{
+    REQUEST(xRRGetScreenSizeRangeReq);
+    xRRGetScreenSizeRangeReply	rep;
+    WindowPtr			pWin;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    int				rc;
+    
+    REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    rep.type = X_Reply;
+    rep.pad = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    
+    if (pScrPriv) 
+    {
+	if (!RRGetInfo (pScreen))
+	    return BadAlloc;
+	rep.minWidth  = pScrPriv->minWidth;
+	rep.minHeight = pScrPriv->minHeight;
+	rep.maxWidth  = pScrPriv->maxWidth;
+	rep.maxHeight = pScrPriv->maxHeight;
+    }
+    else
+    {
+	rep.maxWidth  = rep.minWidth  = pScreen->width;
+	rep.maxHeight = rep.minHeight = pScreen->height;
+    }
+    if (client->swapped) 
+    {
+	int n;
+	
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swaps(&rep.minWidth, n);
+	swaps(&rep.minHeight, n);
+	swaps(&rep.maxWidth, n);
+	swaps(&rep.maxHeight, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenSizeRangeReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+int
+ProcRRSetScreenSize (ClientPtr client)
+{
+    REQUEST(xRRSetScreenSizeReq);
+    WindowPtr		pWin;
+    ScreenPtr		pScreen;
+    rrScrPrivPtr	pScrPriv;
+    int			i, rc;
+    
+    REQUEST_SIZE_MATCH(xRRSetScreenSizeReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    if (stuff->width < pScrPriv->minWidth || pScrPriv->maxWidth < stuff->width)
+    {
+	client->errorValue = stuff->width;
+	return BadValue;
+    }
+    if (stuff->height < pScrPriv->minHeight || 
+	pScrPriv->maxHeight < stuff->height)
+    {
+	client->errorValue = stuff->height;
+	return BadValue;
+    }
+    for (i = 0; i < pScrPriv->numCrtcs; i++) 
+    {
+	RRCrtcPtr   crtc = pScrPriv->crtcs[i];
+	RRModePtr   mode = crtc->mode;
+	if (mode)
+	{
+	    int		source_width = mode->mode.width;
+	    int		source_height = mode->mode.height;
+	    Rotation	rotation = crtc->rotation;
+
+	    if (rotation == RR_Rotate_90 || rotation == RR_Rotate_270)
+	    {
+		source_width = mode->mode.height;
+		source_height = mode->mode.width;
+	    }
+	    
+	    if (crtc->x + source_width > stuff->width ||
+		crtc->y + source_height > stuff->height)
+	    return BadMatch;
+	}
+    }
+    if (stuff->widthInMillimeters == 0 || stuff->heightInMillimeters == 0)
+    {
+	client->errorValue = 0;
+	return BadValue;
+    }
+    if (!RRScreenSizeSet (pScreen, 
+			  stuff->width, stuff->height,
+			  stuff->widthInMillimeters,
+			  stuff->heightInMillimeters))
+    {
+	return BadMatch;
+    }
+    return Success;
+}
+
+int
+ProcRRGetScreenResources (ClientPtr client)
+{
+    REQUEST(xRRGetScreenResourcesReq);
+    xRRGetScreenResourcesReply  rep;
+    WindowPtr			pWin;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    CARD8			*extra;
+    unsigned long		extraLen;
+    int				i, n, rc;
+    RRCrtc			*crtcs;
+    RROutput			*outputs;
+    xRRModeInfo			*modeinfos;
+    CARD8			*names;
+    
+    REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+    
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    rep.pad = 0;
+    
+    if (pScrPriv)
+	if (!RRGetInfo (pScreen))
+	    return BadAlloc;
+
+    if (!pScrPriv)
+    {
+	rep.type = X_Reply;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.timestamp = currentTime.milliseconds;
+	rep.configTimestamp = currentTime.milliseconds;
+	rep.nCrtcs = 0;
+	rep.nOutputs = 0;
+	rep.nModes = 0;
+	rep.nbytesNames = 0;
+	extra = NULL;
+	extraLen = 0;
+    }
+    else
+    {
+	RRModePtr   *modes;
+	int	    num_modes;
+
+	modes = RRModesForScreen (pScreen, &num_modes);
+	if (!modes)
+	    return BadAlloc;
+	
+	rep.type = X_Reply;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+	rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+	rep.nCrtcs = pScrPriv->numCrtcs;
+	rep.nOutputs = pScrPriv->numOutputs;
+	rep.nModes = num_modes;
+	rep.nbytesNames = 0;
+
+	for (i = 0; i < num_modes; i++)
+	    rep.nbytesNames += modes[i]->mode.nameLength;
+
+	rep.length = (pScrPriv->numCrtcs + 
+		      pScrPriv->numOutputs + 
+		      num_modes * (SIZEOF(xRRModeInfo) >> 2) +
+		      ((rep.nbytesNames + 3) >> 2));
+	
+	extraLen = rep.length << 2;
+	if (extraLen)
+	{
+	    extra = xalloc (extraLen);
+	    if (!extra)
+	    {
+		xfree (modes);
+		return BadAlloc;
+	    }
+	}
+	else
+	    extra = NULL;
+
+	crtcs = (RRCrtc *) extra;
+	outputs = (RROutput *) (crtcs + pScrPriv->numCrtcs);
+	modeinfos = (xRRModeInfo *) (outputs + pScrPriv->numOutputs);
+	names = (CARD8 *) (modeinfos + num_modes);
+	
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	{
+	    crtcs[i] = pScrPriv->crtcs[i]->id;
+	    if (client->swapped)
+		swapl (&crtcs[i], n);
+	}
+	
+	for (i = 0; i < pScrPriv->numOutputs; i++)
+	{
+	    outputs[i] = pScrPriv->outputs[i]->id;
+	    if (client->swapped)
+		swapl (&outputs[i], n);
+	}
+	
+	for (i = 0; i < num_modes; i++)
+	{
+	    RRModePtr	mode = modes[i];
+	    modeinfos[i] = mode->mode;
+	    if (client->swapped)
+	    {
+		swapl (&modeinfos[i].id, n);
+		swaps (&modeinfos[i].width, n);
+		swaps (&modeinfos[i].height, n);
+		swapl (&modeinfos[i].dotClock, n);
+		swaps (&modeinfos[i].hSyncStart, n);
+		swaps (&modeinfos[i].hSyncEnd, n);
+		swaps (&modeinfos[i].hTotal, n);
+		swaps (&modeinfos[i].hSkew, n);
+		swaps (&modeinfos[i].vSyncStart, n);
+		swaps (&modeinfos[i].vSyncEnd, n);
+		swaps (&modeinfos[i].vTotal, n);
+		swaps (&modeinfos[i].nameLength, n);
+		swapl (&modeinfos[i].modeFlags, n);
+	    }
+	    memcpy (names, mode->name, 
+		    mode->mode.nameLength);
+	    names += mode->mode.nameLength;
+	}
+    	xfree (modes);
+	assert (((((char *) names - (char *) extra) + 3) >> 2) == rep.length);
+    }
+    
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swapl(&rep.configTimestamp, n);
+	swaps(&rep.nCrtcs, n);
+	swaps(&rep.nOutputs, n);
+	swaps(&rep.nModes, n);
+	swaps(&rep.nbytesNames, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenResourcesReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    return client->noClientException;
+}
+
+typedef struct _RR10Data {
+    RRScreenSizePtr sizes;
+    int		    nsize;
+    int		    nrefresh;
+    int		    size;
+    CARD16	    refresh;
+} RR10DataRec, *RR10DataPtr;
+
+/*
+ * Convert 1.2 monitor data into 1.0 screen data
+ */
+static RR10DataPtr
+RR10GetData (ScreenPtr pScreen, RROutputPtr output)
+{
+    RR10DataPtr	    data;
+    RRScreenSizePtr size;
+    int		    nmode = output->numModes + output->numUserModes;
+    int		    o, os, l, r;
+    RRScreenRatePtr refresh;
+    CARD16	    vRefresh;
+    RRModePtr	    mode;
+    Bool	    *used;
+
+    /* Make sure there is plenty of space for any combination */
+    data = malloc (sizeof (RR10DataRec) + 
+		   sizeof (RRScreenSize) * nmode + 
+		   sizeof (RRScreenRate) * nmode +
+		   sizeof (Bool) * nmode);
+    if (!data)
+	return NULL;
+    size = (RRScreenSizePtr) (data + 1);
+    refresh = (RRScreenRatePtr) (size + nmode);
+    used = (Bool *) (refresh + nmode);
+    memset (used, '\0', sizeof (Bool) * nmode);
+    data->sizes = size;
+    data->nsize = 0;
+    data->nrefresh = 0;
+    data->size = 0;
+    data->refresh = 0;
+    
+    /*
+     * find modes not yet listed
+     */
+    for (o = 0; o < output->numModes + output->numUserModes; o++)
+    {
+	if (used[o]) continue;
+	
+	if (o < output->numModes)
+	    mode = output->modes[o];
+	else
+	    mode = output->userModes[o - output->numModes];
+	
+	l = data->nsize;
+	size[l].id = data->nsize;
+	size[l].width = mode->mode.width;
+	size[l].height = mode->mode.height;
+	if (output->mmWidth && output->mmHeight) {
+	    size[l].mmWidth = output->mmWidth;
+	    size[l].mmHeight = output->mmHeight;
+	} else {
+	    size[l].mmWidth = pScreen->mmWidth;
+	    size[l].mmHeight = pScreen->mmHeight;
+	}
+	size[l].nRates = 0;
+	size[l].pRates = &refresh[data->nrefresh];
+	data->nsize++;
+	
+	/*
+	 * Find all modes with matching size
+	 */
+	for (os = o; os < output->numModes + output->numUserModes; os++)
+	{
+	    if (os < output->numModes)
+		mode = output->modes[os];
+	    else
+		mode = output->userModes[os - output->numModes];
+	    if (mode->mode.width == size[l].width &&
+		mode->mode.height == size[l].height)
+	    {
+		vRefresh = RRVerticalRefresh (&mode->mode);
+		used[os] = TRUE;
+		
+		for (r = 0; r < size[l].nRates; r++)
+		    if (vRefresh == size[l].pRates[r].rate)
+			break;
+		if (r == size[l].nRates)
+		{
+		    size[l].pRates[r].rate = vRefresh;
+		    size[l].pRates[r].mode = mode;
+		    size[l].nRates++;
+		    data->nrefresh++;
+		}
+		if (mode == output->crtc->mode)
+		{
+		    data->size = l;
+		    data->refresh = vRefresh;
+		}
+	    }
+	}
+    }
+    return data;
+}
+
+int
+ProcRRGetScreenInfo (ClientPtr client)
+{
+    REQUEST(xRRGetScreenInfoReq);
+    xRRGetScreenInfoReply   rep;
+    WindowPtr	    	    pWin;
+    int			    n, rc;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    CARD8		    *extra;
+    unsigned long	    extraLen;
+    RROutputPtr		    output;
+
+    REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    rep.pad = 0;
+    
+    if (pScrPriv)
+	if (!RRGetInfo (pScreen))
+	    return BadAlloc;
+
+    output = RRFirstOutput (pScreen);
+    
+    if (!pScrPriv || !output)
+    {
+	rep.type = X_Reply;
+	rep.setOfRotations = RR_Rotate_0;;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
+	rep.timestamp = currentTime.milliseconds;
+	rep.configTimestamp = currentTime.milliseconds;
+	rep.nSizes = 0;
+	rep.sizeID = 0;
+	rep.rotation = RR_Rotate_0;
+	rep.rate = 0;
+	rep.nrateEnts = 0;
+	extra = 0;
+	extraLen = 0;
+    }
+    else
+    {
+	int			i, j;
+	xScreenSizes		*size;
+	CARD16			*rates;
+	CARD8			*data8;
+	Bool			has_rate = RRClientKnowsRates (client);
+	RR10DataPtr		pData;
+	RRScreenSizePtr		pSize;
+    
+	pData = RR10GetData (pScreen, output);
+	if (!pData)
+	    return BadAlloc;
+	
+	rep.type = X_Reply;
+	rep.setOfRotations = output->crtc->rotations;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
+	rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+	rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+	rep.rotation = output->crtc->rotation;
+	rep.nSizes = pData->nsize;
+        rep.nrateEnts = pData->nrefresh + pData->nsize;
+	rep.sizeID = pData->size;
+	rep.rate = pData->refresh;
+
+	extraLen = (rep.nSizes * sizeof (xScreenSizes) +
+		    rep.nrateEnts * sizeof (CARD16));
+
+	if (extraLen)
+	{
+	    extra = (CARD8 *) xalloc (extraLen);
+	    if (!extra)
+	    {
+		xfree (pData);
+		return BadAlloc;
+	    }
+	}
+	else
+	    extra = NULL;
+
+	/*
+	 * First comes the size information
+	 */
+	size = (xScreenSizes *) extra;
+	rates = (CARD16 *) (size + rep.nSizes);
+	for (i = 0; i < pData->nsize; i++)
+	{
+	    pSize = &pData->sizes[i];
+	    size->widthInPixels = pSize->width;
+	    size->heightInPixels = pSize->height;
+	    size->widthInMillimeters = pSize->mmWidth;
+	    size->heightInMillimeters = pSize->mmHeight;
+	    if (client->swapped)
+	    {
+	        swaps (&size->widthInPixels, n);
+	        swaps (&size->heightInPixels, n);
+	        swaps (&size->widthInMillimeters, n);
+	        swaps (&size->heightInMillimeters, n);
+	    }
+	    size++;
+	    if (has_rate)
+	    {
+		*rates = pSize->nRates;
+		if (client->swapped)
+		{
+		    swaps (rates, n);
+		}
+		rates++;
+		for (j = 0; j < pSize->nRates; j++)
+		{
+		    *rates = pSize->pRates[j].rate;
+		    if (client->swapped)
+		    {
+			swaps (rates, n);
+		    }
+		    rates++;
+		}
+	    }
+	}
+        xfree (pData);
+	
+	data8 = (CARD8 *) rates;
+
+	if (data8 - (CARD8 *) extra != extraLen)
+	    FatalError ("RRGetScreenInfo bad extra len %ld != %ld\n",
+			(unsigned long)(data8 - (CARD8 *) extra), extraLen);
+	rep.length =  (extraLen + 3) >> 2;
+    }
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swaps(&rep.rotation, n);
+	swaps(&rep.nSizes, n);
+	swaps(&rep.sizeID, n);
+	swaps(&rep.rate, n);
+	swaps(&rep.nrateEnts, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenInfoReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    return (client->noClientException);
+}
+
+int
+ProcRRSetScreenConfig (ClientPtr client)
+{
+    REQUEST(xRRSetScreenConfigReq);
+    xRRSetScreenConfigReply rep;
+    DrawablePtr		    pDraw;
+    int			    n, rc;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    TimeStamp		    time;
+    int			    i;
+    Rotation		    rotation;
+    int			    rate;
+    Bool		    has_rate;
+    RROutputPtr		    output;
+    RRCrtcPtr		    crtc;
+    RRModePtr		    mode;
+    RR10DataPtr		    pData = NULL;
+    RRScreenSizePtr    	    pSize;
+    int			    width, height;
+    
+    UpdateCurrentTime ();
+
+    if (RRClientKnowsRates (client))
+    {
+	REQUEST_SIZE_MATCH (xRRSetScreenConfigReq);
+	has_rate = TRUE;
+    }
+    else
+    {
+	REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq);
+	has_rate = FALSE;
+    }
+    
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess);
+    #else
+    pDraw = SecurityLookupDrawable(stuff->drawable, client, SecurityWriteAccess);
+    rc = pDraw ? Success : BadDrawable;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pDraw->pScreen;
+
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    time = ClientTimeToServerTime(stuff->timestamp);
+    
+    if (!pScrPriv)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    if (!RRGetInfo (pScreen))
+	return BadAlloc;
+    
+    output = RRFirstOutput (pScreen);
+    if (!output)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+
+    crtc = output->crtc;
+
+    /*
+     * If the client's config timestamp is not the same as the last config
+     * timestamp, then the config information isn't up-to-date and
+     * can't even be validated.
+     *
+     * Note that the client only knows about the milliseconds part of the
+     * timestamp, so using CompareTimeStamps here would cause randr to suddenly
+     * stop working after several hours have passed (freedesktop bug #6502).
+     */
+    if (stuff->configTimestamp != pScrPriv->lastConfigTime.milliseconds)
+    {
+	rep.status = RRSetConfigInvalidConfigTime;
+	goto sendReply;
+    }
+    
+    pData = RR10GetData (pScreen, output);
+    if (!pData)
+	return BadAlloc;
+    
+    if (stuff->sizeID >= pData->nsize)
+    {
+	/*
+	 * Invalid size ID
+	 */
+	client->errorValue = stuff->sizeID;
+	xfree (pData);
+	return BadValue;
+    }
+    pSize = &pData->sizes[stuff->sizeID];
+    
+    /*
+     * Validate requested rotation
+     */
+    rotation = (Rotation) stuff->rotation;
+
+    /* test the rotation bits only! */
+    switch (rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_90:
+    case RR_Rotate_180:
+    case RR_Rotate_270:
+	break;
+    default:
+	/*
+	 * Invalid rotation
+	 */
+	client->errorValue = stuff->rotation;
+	xfree (pData);
+	return BadValue;
+    }
+
+    if ((~crtc->rotations) & rotation)
+    {
+	/*
+	 * requested rotation or reflection not supported by screen
+	 */
+	client->errorValue = stuff->rotation;
+	xfree (pData);
+	return BadMatch;
+    }
+
+    /*
+     * Validate requested refresh
+     */
+    if (has_rate)
+	rate = (int) stuff->rate;
+    else
+	rate = 0;
+
+    if (rate)
+    {
+	for (i = 0; i < pSize->nRates; i++)
+	{
+	    if (pSize->pRates[i].rate == rate)
+		break;
+	}
+	if (i == pSize->nRates)
+	{
+	    /*
+	     * Invalid rate
+	     */
+	    client->errorValue = rate;
+	    xfree (pData);
+	    return BadValue;
+	}
+	mode = pSize->pRates[i].mode;
+    }
+    else
+	mode = pSize->pRates[0].mode;
+    
+    /*
+     * Make sure the requested set-time is not older than
+     * the last set-time
+     */
+    if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0)
+    {
+	rep.status = RRSetConfigInvalidTime;
+	goto sendReply;
+    }
+
+    /*
+     * If the screen size is changing, adjust all of the other outputs
+     * to fit the new size, mirroring as much as possible
+     */
+    width = mode->mode.width;
+    height = mode->mode.height;
+    if (rotation & (RR_Rotate_90|RR_Rotate_270))
+    {
+	width = mode->mode.height;
+	height = mode->mode.width;
+    }
+    if (width != pScreen->width || height != pScreen->height)
+    {
+	int	c;
+
+	for (c = 0; c < pScrPriv->numCrtcs; c++)
+	{
+	    if (!RRCrtcSet (pScrPriv->crtcs[c], NULL, 0, 0, RR_Rotate_0,
+			    0, NULL))
+	    {
+		rep.status = RRSetConfigFailed;
+		/* XXX recover from failure */
+		goto sendReply;
+	    }
+	}
+	if (!RRScreenSizeSet (pScreen, width, height,
+			      pScreen->mmWidth, pScreen->mmHeight))
+	{
+	    rep.status = RRSetConfigFailed;
+	    /* XXX recover from failure */
+	    goto sendReply;
+	}
+    }
+
+    if (!RRCrtcSet (crtc, mode, 0, 0, stuff->rotation, 1, &output))
+	rep.status = RRSetConfigFailed;
+    #ifndef NXAGENT_SERVER /* Bug 21987 */
+    else
+	rep.status = RRSetConfigSuccess;
+    #else
+    else {
+	rep.status = RRSetConfigSuccess;
+	pScrPriv->lastSetTime = time;
+    }
+    #endif
+
+    /*
+     * XXX Configure other crtcs to mirror as much as possible
+     */
+    
+sendReply:
+    
+    if (pData)
+	xfree (pData);
+
+    rep.type = X_Reply;
+    /* rep.status has already been filled in */
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+
+    rep.newTimestamp = pScrPriv->lastSetTime.milliseconds;
+    rep.newConfigTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    rep.root = WindowTable[pDraw->pScreen->myNum]->drawable.id;
+
+    if (client->swapped) 
+    {
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.newTimestamp, n);
+	swapl(&rep.newConfigTimestamp, n);
+	swapl(&rep.root, n);
+    }
+    WriteToClient(client, sizeof(xRRSetScreenConfigReply), (char *)&rep);
+
+    return (client->noClientException);
+}
+
+static CARD16
+RR10CurrentSizeID (ScreenPtr pScreen)
+{
+    CARD16	sizeID = 0xffff;
+    RROutputPtr output = RRFirstOutput (pScreen);
+    
+    if (output)
+    {
+	RR10DataPtr data = RR10GetData (pScreen, output);
+	if (data)
+	{
+	    int i;
+	    for (i = 0; i < data->nsize; i++)
+		if (data->sizes[i].width == pScreen->width &&
+		    data->sizes[i].height == pScreen->height)
+		{
+		    sizeID = (CARD16) i;
+		    break;
+		}
+	    xfree (data);
+	}
+    }
+    return sizeID;
+}

nx-X11/programs/Xserver/randr/rrscreen.c.X.original

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+
+extern char	*ConnectionInfo;
+
+static int padlength[4] = {0, 3, 2, 1};
+
+static CARD16
+RR10CurrentSizeID (ScreenPtr pScreen);
+
+/*
+ * Edit connection information block so that new clients
+ * see the current screen size on connect
+ */
+static void
+RREditConnectionInfo (ScreenPtr pScreen)
+{
+    xConnSetup	    *connSetup;
+    char	    *vendor;
+    xPixmapFormat   *formats;
+    xWindowRoot	    *root;
+    xDepth	    *depth;
+    xVisualType	    *visual;
+    int		    screen = 0;
+    int		    d;
+
+    connSetup = (xConnSetup *) ConnectionInfo;
+    vendor = (char *) connSetup + sizeof (xConnSetup);
+    formats = (xPixmapFormat *) ((char *) vendor +
+				 connSetup->nbytesVendor +
+				 padlength[connSetup->nbytesVendor & 3]);
+    root = (xWindowRoot *) ((char *) formats +
+			    sizeof (xPixmapFormat) * screenInfo.numPixmapFormats);
+    while (screen != pScreen->myNum)
+    {
+	depth = (xDepth *) ((char *) root + 
+			    sizeof (xWindowRoot));
+	for (d = 0; d < root->nDepths; d++)
+	{
+	    visual = (xVisualType *) ((char *) depth +
+				      sizeof (xDepth));
+	    depth = (xDepth *) ((char *) visual +
+				depth->nVisuals * sizeof (xVisualType));
+	}
+	root = (xWindowRoot *) ((char *) depth);
+	screen++;
+    }
+    root->pixWidth = pScreen->width;
+    root->pixHeight = pScreen->height;
+    root->mmWidth = pScreen->mmWidth;
+    root->mmHeight = pScreen->mmHeight;
+}
+
+void
+RRSendConfigNotify (ScreenPtr pScreen)
+{
+    WindowPtr	pWin = WindowTable[pScreen->myNum];
+    xEvent	event;
+
+    event.u.u.type = ConfigureNotify;
+    event.u.configureNotify.window = pWin->drawable.id;
+    event.u.configureNotify.aboveSibling = None;
+    event.u.configureNotify.x = 0;
+    event.u.configureNotify.y = 0;
+
+    /* XXX xinerama stuff ? */
+    
+    event.u.configureNotify.width = pWin->drawable.width;
+    event.u.configureNotify.height = pWin->drawable.height;
+    event.u.configureNotify.borderWidth = wBorderWidth (pWin);
+    event.u.configureNotify.override = pWin->overrideRedirect;
+    DeliverEvents(pWin, &event, 1, NullWindow);
+}
+
+void
+RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen)
+{
+    rrScrPriv (pScreen);
+    xRRScreenChangeNotifyEvent	se;
+    RRCrtcPtr	crtc = pScrPriv->numCrtcs ? pScrPriv->crtcs[0] : NULL;
+    WindowPtr	pRoot = WindowTable[pScreen->myNum];
+    
+    se.type = RRScreenChangeNotify + RREventBase;
+    se.rotation = (CARD8) (crtc ? crtc->rotation : RR_Rotate_0);
+    se.timestamp = pScrPriv->lastSetTime.milliseconds;
+    se.sequenceNumber = client->sequence;
+    se.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    se.root =  pRoot->drawable.id;
+    se.window = pWin->drawable.id;
+#ifdef RENDER
+    se.subpixelOrder = PictureGetSubpixelOrder (pScreen);
+#else
+    se.subpixelOrder = SubPixelUnknown;
+#endif
+
+    se.sequenceNumber = client->sequence;
+    se.sizeID = RR10CurrentSizeID (pScreen);
+
+    if (se.rotation & (RR_Rotate_90 | RR_Rotate_270)) {
+	se.widthInPixels = pScreen->height;
+	se.heightInPixels = pScreen->width;
+	se.widthInMillimeters = pScreen->mmHeight;
+	se.heightInMillimeters = pScreen->mmWidth;
+    } else {
+	se.widthInPixels = pScreen->width;
+	se.heightInPixels = pScreen->height;
+	se.widthInMillimeters = pScreen->mmWidth;
+	se.heightInMillimeters = pScreen->mmHeight;
+    }
+
+    WriteEventsToClient (client, 1, (xEvent *) &se);
+}
+
+/*
+ * Notify the extension that the screen size has been changed.
+ * The driver is responsible for calling this whenever it has changed
+ * the size of the screen
+ */
+void
+RRScreenSizeNotify (ScreenPtr	pScreen)
+{
+    rrScrPriv(pScreen);
+    /*
+     * Deliver ConfigureNotify events when root changes
+     * pixel size
+     */
+    if (pScrPriv->width == pScreen->width &&
+	pScrPriv->height == pScreen->height &&
+	pScrPriv->mmWidth == pScreen->mmWidth &&
+	pScrPriv->mmHeight == pScreen->mmHeight)
+	return;
+    
+    pScrPriv->width = pScreen->width;
+    pScrPriv->height = pScreen->height;
+    pScrPriv->mmWidth = pScreen->mmWidth;
+    pScrPriv->mmHeight = pScreen->mmHeight;
+    pScrPriv->changed = TRUE;
+/*    pScrPriv->sizeChanged = TRUE; */
+
+    RRTellChanged (pScreen);
+    RRSendConfigNotify (pScreen);
+    RREditConnectionInfo (pScreen);
+    
+    RRPointerScreenConfigured (pScreen);
+    /*
+     * Fix pointer bounds and location
+     */
+    ScreenRestructured (pScreen);
+}
+
+/*
+ * Request that the screen be resized
+ */
+Bool
+RRScreenSizeSet (ScreenPtr  pScreen,
+		 CARD16	    width,
+		 CARD16	    height,
+		 CARD32	    mmWidth,
+		 CARD32	    mmHeight)
+{
+    rrScrPriv(pScreen);
+
+#if RANDR_12_INTERFACE
+    if (pScrPriv->rrScreenSetSize)
+    {
+	return (*pScrPriv->rrScreenSetSize) (pScreen,
+					     width, height,
+					     mmWidth, mmHeight);
+    }
+#endif
+#if RANDR_10_INTERFACE
+    if (pScrPriv->rrSetConfig)
+    {
+	return TRUE;	/* can't set size separately */
+    }
+#endif
+    return FALSE;
+}
+
+/*
+ * Retrieve valid screen size range
+ */
+int 
+ProcRRGetScreenSizeRange (ClientPtr client)
+{
+    REQUEST(xRRGetScreenSizeRangeReq);
+    xRRGetScreenSizeRangeReply	rep;
+    WindowPtr			pWin;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    int				rc;
+    
+    REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    rep.type = X_Reply;
+    rep.pad = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    
+    if (pScrPriv) 
+    {
+	if (!RRGetInfo (pScreen))
+	    return BadAlloc;
+	rep.minWidth  = pScrPriv->minWidth;
+	rep.minHeight = pScrPriv->minHeight;
+	rep.maxWidth  = pScrPriv->maxWidth;
+	rep.maxHeight = pScrPriv->maxHeight;
+    }
+    else
+    {
+	rep.maxWidth  = rep.minWidth  = pScreen->width;
+	rep.maxHeight = rep.minHeight = pScreen->height;
+    }
+    if (client->swapped) 
+    {
+	int n;
+	
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swaps(&rep.minWidth, n);
+	swaps(&rep.minHeight, n);
+	swaps(&rep.maxWidth, n);
+	swaps(&rep.maxHeight, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenSizeRangeReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+int
+ProcRRSetScreenSize (ClientPtr client)
+{
+    REQUEST(xRRSetScreenSizeReq);
+    WindowPtr		pWin;
+    ScreenPtr		pScreen;
+    rrScrPrivPtr	pScrPriv;
+    int			i, rc;
+    
+    REQUEST_SIZE_MATCH(xRRSetScreenSizeReq);
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    if (stuff->width < pScrPriv->minWidth || pScrPriv->maxWidth < stuff->width)
+    {
+	client->errorValue = stuff->width;
+	return BadValue;
+    }
+    if (stuff->height < pScrPriv->minHeight || 
+	pScrPriv->maxHeight < stuff->height)
+    {
+	client->errorValue = stuff->height;
+	return BadValue;
+    }
+    for (i = 0; i < pScrPriv->numCrtcs; i++) 
+    {
+	RRCrtcPtr   crtc = pScrPriv->crtcs[i];
+	RRModePtr   mode = crtc->mode;
+	if (mode)
+	{
+	    int		source_width = mode->mode.width;
+	    int		source_height = mode->mode.height;
+	    Rotation	rotation = crtc->rotation;
+
+	    if (rotation == RR_Rotate_90 || rotation == RR_Rotate_270)
+	    {
+		source_width = mode->mode.height;
+		source_height = mode->mode.width;
+	    }
+	    
+	    if (crtc->x + source_width > stuff->width ||
+		crtc->y + source_height > stuff->height)
+	    return BadMatch;
+	}
+    }
+    if (stuff->widthInMillimeters == 0 || stuff->heightInMillimeters == 0)
+    {
+	client->errorValue = 0;
+	return BadValue;
+    }
+    if (!RRScreenSizeSet (pScreen, 
+			  stuff->width, stuff->height,
+			  stuff->widthInMillimeters,
+			  stuff->heightInMillimeters))
+    {
+	return BadMatch;
+    }
+    return Success;
+}
+
+int
+ProcRRGetScreenResources (ClientPtr client)
+{
+    REQUEST(xRRGetScreenResourcesReq);
+    xRRGetScreenResourcesReply  rep;
+    WindowPtr			pWin;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    CARD8			*extra;
+    unsigned long		extraLen;
+    int				i, n, rc;
+    RRCrtc			*crtcs;
+    RROutput			*outputs;
+    xRRModeInfo			*modeinfos;
+    CARD8			*names;
+    
+    REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq);
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    if (rc != Success)
+	return rc;
+    
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    rep.pad = 0;
+    
+    if (pScrPriv)
+	if (!RRGetInfo (pScreen))
+	    return BadAlloc;
+
+    if (!pScrPriv)
+    {
+	rep.type = X_Reply;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.timestamp = currentTime.milliseconds;
+	rep.configTimestamp = currentTime.milliseconds;
+	rep.nCrtcs = 0;
+	rep.nOutputs = 0;
+	rep.nModes = 0;
+	rep.nbytesNames = 0;
+	extra = NULL;
+	extraLen = 0;
+    }
+    else
+    {
+	RRModePtr   *modes;
+	int	    num_modes;
+
+	modes = RRModesForScreen (pScreen, &num_modes);
+	if (!modes)
+	    return BadAlloc;
+	
+	rep.type = X_Reply;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+	rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+	rep.nCrtcs = pScrPriv->numCrtcs;
+	rep.nOutputs = pScrPriv->numOutputs;
+	rep.nModes = num_modes;
+	rep.nbytesNames = 0;
+
+	for (i = 0; i < num_modes; i++)
+	    rep.nbytesNames += modes[i]->mode.nameLength;
+
+	rep.length = (pScrPriv->numCrtcs + 
+		      pScrPriv->numOutputs + 
+		      num_modes * (SIZEOF(xRRModeInfo) >> 2) +
+		      ((rep.nbytesNames + 3) >> 2));
+	
+	extraLen = rep.length << 2;
+	if (extraLen)
+	{
+	    extra = xalloc (extraLen);
+	    if (!extra)
+	    {
+		xfree (modes);
+		return BadAlloc;
+	    }
+	}
+	else
+	    extra = NULL;
+
+	crtcs = (RRCrtc *) extra;
+	outputs = (RROutput *) (crtcs + pScrPriv->numCrtcs);
+	modeinfos = (xRRModeInfo *) (outputs + pScrPriv->numOutputs);
+	names = (CARD8 *) (modeinfos + num_modes);
+	
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	{
+	    crtcs[i] = pScrPriv->crtcs[i]->id;
+	    if (client->swapped)
+		swapl (&crtcs[i], n);
+	}
+	
+	for (i = 0; i < pScrPriv->numOutputs; i++)
+	{
+	    outputs[i] = pScrPriv->outputs[i]->id;
+	    if (client->swapped)
+		swapl (&outputs[i], n);
+	}
+	
+	for (i = 0; i < num_modes; i++)
+	{
+	    RRModePtr	mode = modes[i];
+	    modeinfos[i] = mode->mode;
+	    if (client->swapped)
+	    {
+		swapl (&modeinfos[i].id, n);
+		swaps (&modeinfos[i].width, n);
+		swaps (&modeinfos[i].height, n);
+		swapl (&modeinfos[i].dotClock, n);
+		swaps (&modeinfos[i].hSyncStart, n);
+		swaps (&modeinfos[i].hSyncEnd, n);
+		swaps (&modeinfos[i].hTotal, n);
+		swaps (&modeinfos[i].hSkew, n);
+		swaps (&modeinfos[i].vSyncStart, n);
+		swaps (&modeinfos[i].vSyncEnd, n);
+		swaps (&modeinfos[i].vTotal, n);
+		swaps (&modeinfos[i].nameLength, n);
+		swapl (&modeinfos[i].modeFlags, n);
+	    }
+	    memcpy (names, mode->name, 
+		    mode->mode.nameLength);
+	    names += mode->mode.nameLength;
+	}
+    	xfree (modes);
+	assert (((((char *) names - (char *) extra) + 3) >> 2) == rep.length);
+    }
+    
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swapl(&rep.configTimestamp, n);
+	swaps(&rep.nCrtcs, n);
+	swaps(&rep.nOutputs, n);
+	swaps(&rep.nModes, n);
+	swaps(&rep.nbytesNames, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenResourcesReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    return client->noClientException;
+}
+
+typedef struct _RR10Data {
+    RRScreenSizePtr sizes;
+    int		    nsize;
+    int		    nrefresh;
+    int		    size;
+    CARD16	    refresh;
+} RR10DataRec, *RR10DataPtr;
+
+/*
+ * Convert 1.2 monitor data into 1.0 screen data
+ */
+static RR10DataPtr
+RR10GetData (ScreenPtr pScreen, RROutputPtr output)
+{
+    RR10DataPtr	    data;
+    RRScreenSizePtr size;
+    int		    nmode = output->numModes + output->numUserModes;
+    int		    o, os, l, r;
+    RRScreenRatePtr refresh;
+    CARD16	    vRefresh;
+    RRModePtr	    mode;
+    Bool	    *used;
+
+    /* Make sure there is plenty of space for any combination */
+    data = malloc (sizeof (RR10DataRec) + 
+		   sizeof (RRScreenSize) * nmode + 
+		   sizeof (RRScreenRate) * nmode +
+		   sizeof (Bool) * nmode);
+    if (!data)
+	return NULL;
+    size = (RRScreenSizePtr) (data + 1);
+    refresh = (RRScreenRatePtr) (size + nmode);
+    used = (Bool *) (refresh + nmode);
+    memset (used, '\0', sizeof (Bool) * nmode);
+    data->sizes = size;
+    data->nsize = 0;
+    data->nrefresh = 0;
+    data->size = 0;
+    data->refresh = 0;
+    
+    /*
+     * find modes not yet listed
+     */
+    for (o = 0; o < output->numModes + output->numUserModes; o++)
+    {
+	if (used[o]) continue;
+	
+	if (o < output->numModes)
+	    mode = output->modes[o];
+	else
+	    mode = output->userModes[o - output->numModes];
+	
+	l = data->nsize;
+	size[l].id = data->nsize;
+	size[l].width = mode->mode.width;
+	size[l].height = mode->mode.height;
+	if (output->mmWidth && output->mmHeight) {
+	    size[l].mmWidth = output->mmWidth;
+	    size[l].mmHeight = output->mmHeight;
+	} else {
+	    size[l].mmWidth = pScreen->mmWidth;
+	    size[l].mmHeight = pScreen->mmHeight;
+	}
+	size[l].nRates = 0;
+	size[l].pRates = &refresh[data->nrefresh];
+	data->nsize++;
+	
+	/*
+	 * Find all modes with matching size
+	 */
+	for (os = o; os < output->numModes + output->numUserModes; os++)
+	{
+	    if (os < output->numModes)
+		mode = output->modes[os];
+	    else
+		mode = output->userModes[os - output->numModes];
+	    if (mode->mode.width == size[l].width &&
+		mode->mode.height == size[l].height)
+	    {
+		vRefresh = RRVerticalRefresh (&mode->mode);
+		used[os] = TRUE;
+		
+		for (r = 0; r < size[l].nRates; r++)
+		    if (vRefresh == size[l].pRates[r].rate)
+			break;
+		if (r == size[l].nRates)
+		{
+		    size[l].pRates[r].rate = vRefresh;
+		    size[l].pRates[r].mode = mode;
+		    size[l].nRates++;
+		    data->nrefresh++;
+		}
+		if (mode == output->crtc->mode)
+		{
+		    data->size = l;
+		    data->refresh = vRefresh;
+		}
+	    }
+	}
+    }
+    return data;
+}
+
+int
+ProcRRGetScreenInfo (ClientPtr client)
+{
+    REQUEST(xRRGetScreenInfoReq);
+    xRRGetScreenInfoReply   rep;
+    WindowPtr	    	    pWin;
+    int			    n, rc;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    CARD8		    *extra;
+    unsigned long	    extraLen;
+    RROutputPtr		    output;
+
+    REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixReadAccess);
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    rep.pad = 0;
+    
+    if (pScrPriv)
+	if (!RRGetInfo (pScreen))
+	    return BadAlloc;
+
+    output = RRFirstOutput (pScreen);
+    
+    if (!pScrPriv || !output)
+    {
+	rep.type = X_Reply;
+	rep.setOfRotations = RR_Rotate_0;;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
+	rep.timestamp = currentTime.milliseconds;
+	rep.configTimestamp = currentTime.milliseconds;
+	rep.nSizes = 0;
+	rep.sizeID = 0;
+	rep.rotation = RR_Rotate_0;
+	rep.rate = 0;
+	rep.nrateEnts = 0;
+	extra = 0;
+	extraLen = 0;
+    }
+    else
+    {
+	int			i, j;
+	xScreenSizes		*size;
+	CARD16			*rates;
+	CARD8			*data8;
+	Bool			has_rate = RRClientKnowsRates (client);
+	RR10DataPtr		pData;
+	RRScreenSizePtr		pSize;
+    
+	pData = RR10GetData (pScreen, output);
+	if (!pData)
+	    return BadAlloc;
+	
+	rep.type = X_Reply;
+	rep.setOfRotations = output->crtc->rotations;
+	rep.sequenceNumber = client->sequence;
+	rep.length = 0;
+	rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id;
+	rep.timestamp = pScrPriv->lastSetTime.milliseconds;
+	rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
+	rep.rotation = output->crtc->rotation;
+	rep.nSizes = pData->nsize;
+        rep.nrateEnts = pData->nrefresh + pData->nsize;
+	rep.sizeID = pData->size;
+	rep.rate = pData->refresh;
+
+	extraLen = (rep.nSizes * sizeof (xScreenSizes) +
+		    rep.nrateEnts * sizeof (CARD16));
+
+	if (extraLen)
+	{
+	    extra = (CARD8 *) xalloc (extraLen);
+	    if (!extra)
+	    {
+		xfree (pData);
+		return BadAlloc;
+	    }
+	}
+	else
+	    extra = NULL;
+
+	/*
+	 * First comes the size information
+	 */
+	size = (xScreenSizes *) extra;
+	rates = (CARD16 *) (size + rep.nSizes);
+	for (i = 0; i < pData->nsize; i++)
+	{
+	    pSize = &pData->sizes[i];
+	    size->widthInPixels = pSize->width;
+	    size->heightInPixels = pSize->height;
+	    size->widthInMillimeters = pSize->mmWidth;
+	    size->heightInMillimeters = pSize->mmHeight;
+	    if (client->swapped)
+	    {
+	        swaps (&size->widthInPixels, n);
+	        swaps (&size->heightInPixels, n);
+	        swaps (&size->widthInMillimeters, n);
+	        swaps (&size->heightInMillimeters, n);
+	    }
+	    size++;
+	    if (has_rate)
+	    {
+		*rates = pSize->nRates;
+		if (client->swapped)
+		{
+		    swaps (rates, n);
+		}
+		rates++;
+		for (j = 0; j < pSize->nRates; j++)
+		{
+		    *rates = pSize->pRates[j].rate;
+		    if (client->swapped)
+		    {
+			swaps (rates, n);
+		    }
+		    rates++;
+		}
+	    }
+	}
+        xfree (pData);
+	
+	data8 = (CARD8 *) rates;
+
+	if (data8 - (CARD8 *) extra != extraLen)
+	    FatalError ("RRGetScreenInfo bad extra len %ld != %ld\n",
+			(unsigned long)(data8 - (CARD8 *) extra), extraLen);
+	rep.length =  (extraLen + 3) >> 2;
+    }
+    if (client->swapped) {
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.timestamp, n);
+	swaps(&rep.rotation, n);
+	swaps(&rep.nSizes, n);
+	swaps(&rep.sizeID, n);
+	swaps(&rep.rate, n);
+	swaps(&rep.nrateEnts, n);
+    }
+    WriteToClient(client, sizeof(xRRGetScreenInfoReply), (char *)&rep);
+    if (extraLen)
+    {
+	WriteToClient (client, extraLen, (char *) extra);
+	xfree (extra);
+    }
+    return (client->noClientException);
+}
+
+int
+ProcRRSetScreenConfig (ClientPtr client)
+{
+    REQUEST(xRRSetScreenConfigReq);
+    xRRSetScreenConfigReply rep;
+    DrawablePtr		    pDraw;
+    int			    n, rc;
+    ScreenPtr		    pScreen;
+    rrScrPrivPtr	    pScrPriv;
+    TimeStamp		    time;
+    int			    i;
+    Rotation		    rotation;
+    int			    rate;
+    Bool		    has_rate;
+    RROutputPtr		    output;
+    RRCrtcPtr		    crtc;
+    RRModePtr		    mode;
+    RR10DataPtr		    pData = NULL;
+    RRScreenSizePtr    	    pSize;
+    int			    width, height;
+    
+    UpdateCurrentTime ();
+
+    if (RRClientKnowsRates (client))
+    {
+	REQUEST_SIZE_MATCH (xRRSetScreenConfigReq);
+	has_rate = TRUE;
+    }
+    else
+    {
+	REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq);
+	has_rate = FALSE;
+    }
+    
+    rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess);
+    if (rc != Success)
+	return rc;
+
+    pScreen = pDraw->pScreen;
+
+    pScrPriv = rrGetScrPriv(pScreen);
+    
+    time = ClientTimeToServerTime(stuff->timestamp);
+    
+    if (!pScrPriv)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+    if (!RRGetInfo (pScreen))
+	return BadAlloc;
+    
+    output = RRFirstOutput (pScreen);
+    if (!output)
+    {
+	time = currentTime;
+	rep.status = RRSetConfigFailed;
+	goto sendReply;
+    }
+
+    crtc = output->crtc;
+
+    /*
+     * If the client's config timestamp is not the same as the last config
+     * timestamp, then the config information isn't up-to-date and
+     * can't even be validated.
+     *
+     * Note that the client only knows about the milliseconds part of the
+     * timestamp, so using CompareTimeStamps here would cause randr to suddenly
+     * stop working after several hours have passed (freedesktop bug #6502).
+     */
+    if (stuff->configTimestamp != pScrPriv->lastConfigTime.milliseconds)
+    {
+	rep.status = RRSetConfigInvalidConfigTime;
+	goto sendReply;
+    }
+    
+    pData = RR10GetData (pScreen, output);
+    if (!pData)
+	return BadAlloc;
+    
+    if (stuff->sizeID >= pData->nsize)
+    {
+	/*
+	 * Invalid size ID
+	 */
+	client->errorValue = stuff->sizeID;
+	xfree (pData);
+	return BadValue;
+    }
+    pSize = &pData->sizes[stuff->sizeID];
+    
+    /*
+     * Validate requested rotation
+     */
+    rotation = (Rotation) stuff->rotation;
+
+    /* test the rotation bits only! */
+    switch (rotation & 0xf) {
+    case RR_Rotate_0:
+    case RR_Rotate_90:
+    case RR_Rotate_180:
+    case RR_Rotate_270:
+	break;
+    default:
+	/*
+	 * Invalid rotation
+	 */
+	client->errorValue = stuff->rotation;
+	xfree (pData);
+	return BadValue;
+    }
+
+    if ((~crtc->rotations) & rotation)
+    {
+	/*
+	 * requested rotation or reflection not supported by screen
+	 */
+	client->errorValue = stuff->rotation;
+	xfree (pData);
+	return BadMatch;
+    }
+
+    /*
+     * Validate requested refresh
+     */
+    if (has_rate)
+	rate = (int) stuff->rate;
+    else
+	rate = 0;
+
+    if (rate)
+    {
+	for (i = 0; i < pSize->nRates; i++)
+	{
+	    if (pSize->pRates[i].rate == rate)
+		break;
+	}
+	if (i == pSize->nRates)
+	{
+	    /*
+	     * Invalid rate
+	     */
+	    client->errorValue = rate;
+	    xfree (pData);
+	    return BadValue;
+	}
+	mode = pSize->pRates[i].mode;
+    }
+    else
+	mode = pSize->pRates[0].mode;
+    
+    /*
+     * Make sure the requested set-time is not older than
+     * the last set-time
+     */
+    if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0)
+    {
+	rep.status = RRSetConfigInvalidTime;
+	goto sendReply;
+    }
+
+    /*
+     * If the screen size is changing, adjust all of the other outputs
+     * to fit the new size, mirroring as much as possible
+     */
+    width = mode->mode.width;
+    height = mode->mode.height;
+    if (rotation & (RR_Rotate_90|RR_Rotate_270))
+    {
+	width = mode->mode.height;
+	height = mode->mode.width;
+    }
+    if (width != pScreen->width || height != pScreen->height)
+    {
+	int	c;
+
+	for (c = 0; c < pScrPriv->numCrtcs; c++)
+	{
+	    if (!RRCrtcSet (pScrPriv->crtcs[c], NULL, 0, 0, RR_Rotate_0,
+			    0, NULL))
+	    {
+		rep.status = RRSetConfigFailed;
+		/* XXX recover from failure */
+		goto sendReply;
+	    }
+	}
+	if (!RRScreenSizeSet (pScreen, width, height,
+			      pScreen->mmWidth, pScreen->mmHeight))
+	{
+	    rep.status = RRSetConfigFailed;
+	    /* XXX recover from failure */
+	    goto sendReply;
+	}
+    }
+
+    if (!RRCrtcSet (crtc, mode, 0, 0, stuff->rotation, 1, &output))
+	rep.status = RRSetConfigFailed;
+    else
+	rep.status = RRSetConfigSuccess;
+
+    /*
+     * XXX Configure other crtcs to mirror as much as possible
+     */
+    
+sendReply:
+    
+    if (pData)
+	xfree (pData);
+
+    rep.type = X_Reply;
+    /* rep.status has already been filled in */
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+
+    rep.newTimestamp = pScrPriv->lastSetTime.milliseconds;
+    rep.newConfigTimestamp = pScrPriv->lastConfigTime.milliseconds;
+    rep.root = WindowTable[pDraw->pScreen->myNum]->drawable.id;
+
+    if (client->swapped) 
+    {
+    	swaps(&rep.sequenceNumber, n);
+    	swapl(&rep.length, n);
+	swapl(&rep.newTimestamp, n);
+	swapl(&rep.newConfigTimestamp, n);
+	swapl(&rep.root, n);
+    }
+    WriteToClient(client, sizeof(xRRSetScreenConfigReply), (char *)&rep);
+
+    return (client->noClientException);
+}
+
+static CARD16
+RR10CurrentSizeID (ScreenPtr pScreen)
+{
+    CARD16	sizeID = 0xffff;
+    RROutputPtr output = RRFirstOutput (pScreen);
+    
+    if (output)
+    {
+	RR10DataPtr data = RR10GetData (pScreen, output);
+	if (data)
+	{
+	    int i;
+	    for (i = 0; i < data->nsize; i++)
+		if (data->sizes[i].width == pScreen->width &&
+		    data->sizes[i].height == pScreen->height)
+		{
+		    sizeID = (CARD16) i;
+		    break;
+		}
+	    xfree (data);
+	}
+    }
+    return sizeID;
+}

nx-X11/programs/Xserver/randr/rrsdispatch.c

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include "randrstr.h"
+
+static int
+SProcRRQueryVersion (ClientPtr client)
+{
+    register int n;
+    REQUEST(xRRQueryVersionReq);
+
+    swaps(&stuff->length, n);
+    swapl(&stuff->majorVersion, n);
+    swapl(&stuff->minorVersion, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRGetScreenInfo (ClientPtr client)
+{
+    register int n;
+    REQUEST(xRRGetScreenInfoReq);
+
+    swaps(&stuff->length, n);
+    swapl(&stuff->window, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRSetScreenConfig (ClientPtr client)
+{
+    register int n;
+    REQUEST(xRRSetScreenConfigReq);
+
+    if (RRClientKnowsRates (client))
+    {
+	REQUEST_SIZE_MATCH (xRRSetScreenConfigReq);
+	swaps (&stuff->rate, n);
+    }
+    else
+    {
+	REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq);
+    }
+    
+    swaps(&stuff->length, n);
+    swapl(&stuff->drawable, n);
+    swapl(&stuff->timestamp, n);
+    swaps(&stuff->sizeID, n);
+    swaps(&stuff->rotation, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRSelectInput (ClientPtr client)
+{
+    register int n;
+    REQUEST(xRRSelectInputReq);
+
+    swaps(&stuff->length, n);
+    swapl(&stuff->window, n);
+    swaps(&stuff->enable, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRGetScreenSizeRange (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRGetScreenSizeRangeReq);
+
+    REQUEST_SIZE_MATCH(xRRGetScreenSizeRangeReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->window, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRSetScreenSize (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRSetScreenSizeReq);
+
+    REQUEST_SIZE_MATCH(xRRSetScreenSizeReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->window, n);
+    swaps(&stuff->width, n);
+    swaps(&stuff->height, n);
+    swapl(&stuff->widthInMillimeters, n);
+    swapl(&stuff->heightInMillimeters, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRGetScreenResources (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRGetScreenResourcesReq);
+
+    REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->window, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRGetOutputInfo (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRGetOutputInfoReq);;
+
+    REQUEST_SIZE_MATCH(xRRGetOutputInfoReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->output, n);
+    swapl(&stuff->configTimestamp, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRListOutputProperties (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRListOutputPropertiesReq);
+
+    REQUEST_SIZE_MATCH(xRRListOutputPropertiesReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->output, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRQueryOutputProperty (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRQueryOutputPropertyReq);
+
+    REQUEST_SIZE_MATCH(xRRQueryOutputPropertyReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->output, n);
+    swapl(&stuff->property, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRConfigureOutputProperty (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRConfigureOutputPropertyReq);
+
+    swaps(&stuff->length, n);
+    swapl(&stuff->output, n);
+    swapl(&stuff->property, n);
+    SwapRestL(stuff);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRChangeOutputProperty (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRChangeOutputPropertyReq);
+
+    REQUEST_AT_LEAST_SIZE (xRRChangeOutputPropertyReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->output, n);
+    swapl(&stuff->property, n);
+    swapl(&stuff->type, n);
+    swapl(&stuff->nUnits, n);
+    switch(stuff->format) {
+	case 8:
+	    break;
+	case 16:
+	    SwapRestS(stuff);
+	    break;
+	case 32:
+	    SwapRestL(stuff);
+	    break;
+	default:
+	    client->errorValue = stuff->format;
+	    return BadValue;
+    }
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRDeleteOutputProperty (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRDeleteOutputPropertyReq);
+    
+    REQUEST_SIZE_MATCH(xRRDeleteOutputPropertyReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->output, n);
+    swapl(&stuff->property, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRGetOutputProperty (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRGetOutputPropertyReq);
+
+    REQUEST_SIZE_MATCH(xRRGetOutputPropertyReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->output, n);
+    swapl(&stuff->property, n);
+    swapl(&stuff->type, n);
+    swapl(&stuff->longOffset, n);
+    swapl(&stuff->longLength, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRCreateMode (ClientPtr client)
+{
+    int n;
+    xRRModeInfo *modeinfo;
+    REQUEST(xRRCreateModeReq);
+
+    REQUEST_AT_LEAST_SIZE(xRRCreateModeReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->window, n);
+
+    modeinfo = &stuff->modeInfo;
+    swapl(&modeinfo->id, n);
+    swaps(&modeinfo->width, n);
+    swaps(&modeinfo->height, n);
+    swapl(&modeinfo->dotClock, n);
+    swaps(&modeinfo->hSyncStart, n);
+    swaps(&modeinfo->hSyncEnd, n);
+    swaps(&modeinfo->hTotal, n);
+    swaps(&modeinfo->vSyncStart, n);
+    swaps(&modeinfo->vSyncEnd, n);
+    swaps(&modeinfo->vTotal, n);
+    swaps(&modeinfo->nameLength, n);
+    swapl(&modeinfo->modeFlags, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRDestroyMode (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRDestroyModeReq);
+
+    REQUEST_SIZE_MATCH(xRRDestroyModeReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->mode, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRAddOutputMode (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRAddOutputModeReq);
+
+    REQUEST_SIZE_MATCH(xRRAddOutputModeReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->output, n);
+    swapl(&stuff->mode, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRDeleteOutputMode (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRDeleteOutputModeReq);
+
+    REQUEST_SIZE_MATCH(xRRDeleteOutputModeReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->output, n);
+    swapl(&stuff->mode, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRGetCrtcInfo (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRGetCrtcInfoReq);
+
+    REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->crtc, n);
+    swapl(&stuff->configTimestamp, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRSetCrtcConfig (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRSetCrtcConfigReq);
+
+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->crtc, n);
+    swapl(&stuff->timestamp, n);
+    swapl(&stuff->configTimestamp, n);
+    swaps(&stuff->x, n);
+    swaps(&stuff->y, n);
+    swapl(&stuff->mode, n);
+    swaps(&stuff->rotation, n);
+    SwapRestL(stuff);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRGetCrtcGammaSize (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRGetCrtcGammaSizeReq);
+
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->crtc, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRGetCrtcGamma (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRGetCrtcGammaReq);
+
+    REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->crtc, n);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+static int
+SProcRRSetCrtcGamma (ClientPtr client)
+{
+    int n;
+    REQUEST(xRRSetCrtcGammaReq);
+
+    REQUEST_AT_LEAST_SIZE(xRRSetCrtcGammaReq);
+    swaps(&stuff->length, n);
+    swapl(&stuff->crtc, n);
+    swaps(&stuff->size, n);
+    SwapRestS(stuff);
+    return (*ProcRandrVector[stuff->randrReqType]) (client);
+}
+
+int (*SProcRandrVector[RRNumberRequests])(ClientPtr) = {
+    SProcRRQueryVersion,	/* 0 */
+/* we skip 1 to make old clients fail pretty immediately */
+    NULL,			/* 1 SProcRandrOldGetScreenInfo */
+/* V1.0 apps share the same set screen config request id */
+    SProcRRSetScreenConfig,	/* 2 */
+    NULL,			/* 3 SProcRandrOldScreenChangeSelectInput */
+/* 3 used to be ScreenChangeSelectInput; deprecated */
+    SProcRRSelectInput,		/* 4 */
+    SProcRRGetScreenInfo,    	/* 5 */
+/* V1.2 additions */
+    SProcRRGetScreenSizeRange,	/* 6 */
+    SProcRRSetScreenSize,	/* 7 */
+    SProcRRGetScreenResources,	/* 8 */
+    SProcRRGetOutputInfo,	/* 9 */
+    SProcRRListOutputProperties,/* 10 */
+    SProcRRQueryOutputProperty,	/* 11 */
+    SProcRRConfigureOutputProperty,  /* 12 */
+    SProcRRChangeOutputProperty,/* 13 */
+    SProcRRDeleteOutputProperty,/* 14 */
+    SProcRRGetOutputProperty,	/* 15 */
+    SProcRRCreateMode,		/* 16 */
+    SProcRRDestroyMode,		/* 17 */
+    SProcRRAddOutputMode,	/* 18 */
+    SProcRRDeleteOutputMode,	/* 19 */
+    SProcRRGetCrtcInfo,		/* 20 */
+    SProcRRSetCrtcConfig,	/* 21 */
+    SProcRRGetCrtcGammaSize,	/* 22 */
+    SProcRRGetCrtcGamma,	/* 23 */
+    SProcRRSetCrtcGamma,	/* 24 */
+};
+

nx-X11/programs/Xserver/randr/rrxinerama.c

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+/*
+ * This Xinerama implementation comes from the SiS driver which has
+ * the following notice:
+ */
+/* 
+ * SiS driver main code
+ *
+ * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1) Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2) Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3) The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author: Thomas Winischhofer <thomas@winischhofer.net>
+ *	- driver entirely rewritten since 2001, only basic structure taken from
+ *	  old code (except sis_dri.c, sis_shadow.c, sis_accel.c and parts of
+ *	  sis_dga.c; these were mostly taken over; sis_dri.c was changed for
+ *	  new versions of the DRI layer)
+ *
+ * This notice covers the entire driver code unless indicated otherwise.
+ *
+ * Formerly based on code which was
+ * 	     Copyright (C) 1998, 1999 by Alan Hourihane, Wigan, England.
+ * 	     Written by:
+ *           Alan Hourihane <alanh@fairlite.demon.co.uk>,
+ *           Mike Chapman <mike@paranoia.com>,
+ *           Juanjo Santamarta <santamarta@ctv.es>,
+ *           Mitani Hiroshi <hmitani@drl.mei.co.jp>,
+ *           David Thomas <davtom@dream.org.uk>.
+ */
+
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NX-X11, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include "randrstr.h"
+#include "swaprep.h"
+#ifndef NXAGENT_SERVER
+#include <X11/extensions/panoramiXproto.h>
+#else
+#include "panoramiXproto.h"
+#endif
+
+#define RR_XINERAMA_MAJOR_VERSION   1
+#define RR_XINERAMA_MINOR_VERSION   1
+
+/* Xinerama is not multi-screen capable; just report about screen 0 */
+#define RR_XINERAMA_SCREEN  0
+
+static int ProcRRXineramaQueryVersion(ClientPtr client);
+static int ProcRRXineramaGetState(ClientPtr client);
+static int ProcRRXineramaGetScreenCount(ClientPtr client);
+static int ProcRRXineramaGetScreenSize(ClientPtr client);
+static int ProcRRXineramaIsActive(ClientPtr client);
+static int ProcRRXineramaQueryScreens(ClientPtr client);
+static int SProcRRXineramaDispatch(ClientPtr client);
+
+/* Proc */
+
+int
+ProcRRXineramaQueryVersion(ClientPtr client)
+{
+    xPanoramiXQueryVersionReply	  rep;
+    register int		  n;
+
+    REQUEST_SIZE_MATCH(xPanoramiXQueryVersionReq);
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.majorVersion = RR_XINERAMA_MAJOR_VERSION;
+    rep.minorVersion = RR_XINERAMA_MINOR_VERSION;
+    if(client->swapped) {
+        swaps(&rep.sequenceNumber, n);
+        swapl(&rep.length, n);
+        swaps(&rep.majorVersion, n);
+        swaps(&rep.minorVersion, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXQueryVersionReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+int
+ProcRRXineramaGetState(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetStateReq);
+    WindowPtr			pWin;
+    xPanoramiXGetStateReply	rep;
+    register int		n, rc;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    Bool			active = FALSE;
+
+    REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if(rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    if (pScrPriv)
+    {
+	/* XXX do we need more than this? */
+	active = TRUE;
+    }
+
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.state = active;
+    rep.window = stuff->window;
+    if(client->swapped) {
+       swaps (&rep.sequenceNumber, n);
+       swapl (&rep.length, n);
+       swapl (&rep.window, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXGetStateReply), (char *)&rep);
+    return client->noClientException;
+}
+
+static Bool
+RRXineramaCrtcActive (RRCrtcPtr crtc)
+{
+    return crtc->mode != NULL && crtc->numOutputs > 0;
+}
+
+static int
+RRXineramaScreenCount (ScreenPtr pScreen)
+{
+    int	i, n;
+    
+    n = 0;
+    if (rrGetScrPriv (pScreen))
+    {
+	rrScrPriv(pScreen);
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	    if (RRXineramaCrtcActive (pScrPriv->crtcs[i]))
+		n++;
+    }
+    return n;
+}
+
+static Bool
+RRXineramaScreenActive (ScreenPtr pScreen)
+{
+    return RRXineramaScreenCount (pScreen) > 0;
+}
+
+int
+ProcRRXineramaGetScreenCount(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenCountReq);
+    WindowPtr				pWin;
+    xPanoramiXGetScreenCountReply	rep;
+    register int			n, rc;
+
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+    
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.ScreenCount = RRXineramaScreenCount (pWin->drawable.pScreen);
+    rep.window = stuff->window;
+    if(client->swapped) {
+       swaps(&rep.sequenceNumber, n);
+       swapl(&rep.length, n);
+       swapl(&rep.window, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply), (char *)&rep);
+    return client->noClientException;
+}
+
+int
+ProcRRXineramaGetScreenSize(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenSizeReq);
+    WindowPtr				pWin, pRoot;
+    ScreenPtr				pScreen;
+    xPanoramiXGetScreenSizeReply	rep;
+    register int			n, rc;
+
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pRoot = WindowTable[pScreen->myNum];
+    
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.width  = pRoot->drawable.width;
+    rep.height = pRoot->drawable.height;
+    rep.window = stuff->window;
+    rep.screen = stuff->screen;
+    if(client->swapped) {
+       swaps(&rep.sequenceNumber, n);
+       swapl(&rep.length, n);
+       swapl(&rep.width, n);
+       swapl(&rep.height, n);
+       swapl(&rep.window, n);
+       swapl(&rep.screen, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXGetScreenSizeReply), (char *)&rep);
+    return client->noClientException;
+}
+
+int
+ProcRRXineramaIsActive(ClientPtr client)
+{
+    xXineramaIsActiveReply	rep;
+
+    REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
+	
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.state = RRXineramaScreenActive (screenInfo.screens[RR_XINERAMA_SCREEN]);
+    if(client->swapped) {
+	register int n;
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.state, n);
+    }
+    WriteToClient(client, sizeof(xXineramaIsActiveReply), (char *) &rep);
+    return client->noClientException;
+}
+
+int
+ProcRRXineramaQueryScreens(ClientPtr client)
+{
+    xXineramaQueryScreensReply	rep;
+    ScreenPtr	pScreen = screenInfo.screens[RR_XINERAMA_SCREEN];
+
+    REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
+
+    if (RRXineramaScreenActive (pScreen))
+    {
+	rrScrPriv(pScreen);
+	if (pScrPriv->numCrtcs == 0 || pScrPriv->numOutputs == 0)
+	    RRGetInfo (pScreen);
+    }
+    
+    rep.type = X_Reply;
+    rep.sequenceNumber = client->sequence;
+    rep.number = RRXineramaScreenCount (pScreen);
+    rep.length = rep.number * sz_XineramaScreenInfo >> 2;
+    if(client->swapped) {
+	register int n;
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.number, n);
+    }
+    WriteToClient(client, sizeof(xXineramaQueryScreensReply), (char *)&rep);
+
+    if(rep.number) {
+	rrScrPriv(pScreen);
+	xXineramaScreenInfo scratch;
+	int i;
+
+	for(i = 0; i < pScrPriv->numCrtcs; i++) {
+	    RRCrtcPtr	crtc = pScrPriv->crtcs[i];
+	    if (RRXineramaCrtcActive (crtc))
+	    {
+	        int width, height;
+		RRCrtcGetScanoutSize (crtc, &width, &height);
+		scratch.x_org  = crtc->x;
+		scratch.y_org  = crtc->y;
+		scratch.width  = width;
+		scratch.height = height;
+		if(client->swapped) {
+		    register int n;
+		    swaps(&scratch.x_org, n);
+		    swaps(&scratch.y_org, n);
+		    swaps(&scratch.width, n);
+		    swaps(&scratch.height, n);
+		}
+		WriteToClient(client, sz_XineramaScreenInfo, (char *)&scratch);
+	    }
+	}
+    }
+
+    return client->noClientException;
+}
+
+static int
+ProcRRXineramaDispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    switch (stuff->data) {
+	case X_PanoramiXQueryVersion:
+	     return ProcRRXineramaQueryVersion(client);
+	case X_PanoramiXGetState:
+	     return ProcRRXineramaGetState(client);
+	case X_PanoramiXGetScreenCount:
+	     return ProcRRXineramaGetScreenCount(client);
+	case X_PanoramiXGetScreenSize:
+	     return ProcRRXineramaGetScreenSize(client);
+	case X_XineramaIsActive:
+	     return ProcRRXineramaIsActive(client);
+	case X_XineramaQueryScreens:
+	     return ProcRRXineramaQueryScreens(client);
+    }
+    return BadRequest;
+}
+
+/* SProc */
+
+static int
+SProcRRXineramaQueryVersion (ClientPtr client)
+{
+    REQUEST(xPanoramiXQueryVersionReq);
+    register int n;
+    swaps(&stuff->length,n);
+    REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq);
+    return ProcRRXineramaQueryVersion(client);
+}
+
+static int
+SProcRRXineramaGetState(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetStateReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
+    swapl (&stuff->window, n);
+    return ProcRRXineramaGetState(client);
+}
+
+static int
+SProcRRXineramaGetScreenCount(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenCountReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
+    swapl (&stuff->window, n);
+    return ProcRRXineramaGetScreenCount(client);
+}
+
+static int
+SProcRRXineramaGetScreenSize(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenSizeReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+    swapl (&stuff->window, n);
+    swapl (&stuff->screen, n);
+    return ProcRRXineramaGetScreenSize(client);
+}
+
+static int
+SProcRRXineramaIsActive(ClientPtr client)
+{
+    REQUEST(xXineramaIsActiveReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
+    return ProcRRXineramaIsActive(client);
+}
+
+static int
+SProcRRXineramaQueryScreens(ClientPtr client)
+{
+    REQUEST(xXineramaQueryScreensReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
+    return ProcRRXineramaQueryScreens(client);
+}
+
+int
+SProcRRXineramaDispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    switch (stuff->data) {
+	case X_PanoramiXQueryVersion:
+	     return SProcRRXineramaQueryVersion(client);
+	case X_PanoramiXGetState:
+	     return SProcRRXineramaGetState(client);
+	case X_PanoramiXGetScreenCount:
+	     return SProcRRXineramaGetScreenCount(client);
+	case X_PanoramiXGetScreenSize:
+	     return SProcRRXineramaGetScreenSize(client);
+	case X_XineramaIsActive:
+	     return SProcRRXineramaIsActive(client);
+	case X_XineramaQueryScreens:
+	     return SProcRRXineramaQueryScreens(client);
+    }
+    return BadRequest;
+}
+
+static void
+RRXineramaResetProc(ExtensionEntry* extEntry)
+{
+}
+
+void
+RRXineramaExtensionInit(void)
+{
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension)
+	return;
+#endif
+
+    /*
+     * Xinerama isn't capable enough to have multiple protocol screens each
+     * with their own output geometry.  So if there's more than one protocol
+     * screen, just don't even try.
+     */
+    if (screenInfo.numScreens > 1)
+	return;
+
+    (void) AddExtension(PANORAMIX_PROTOCOL_NAME, 0,0,
+			ProcRRXineramaDispatch,
+			SProcRRXineramaDispatch,
+			RRXineramaResetProc,
+			StandardMinorOpcode);
+}

nx-X11/programs/Xserver/randr/rrxinerama.c.NX.original

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+/*
+ * This Xinerama implementation comes from the SiS driver which has
+ * the following notice:
+ */
+/* 
+ * SiS driver main code
+ *
+ * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1) Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2) Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3) The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author: Thomas Winischhofer <thomas@winischhofer.net>
+ *	- driver entirely rewritten since 2001, only basic structure taken from
+ *	  old code (except sis_dri.c, sis_shadow.c, sis_accel.c and parts of
+ *	  sis_dga.c; these were mostly taken over; sis_dri.c was changed for
+ *	  new versions of the DRI layer)
+ *
+ * This notice covers the entire driver code unless indicated otherwise.
+ *
+ * Formerly based on code which was
+ * 	     Copyright (C) 1998, 1999 by Alan Hourihane, Wigan, England.
+ * 	     Written by:
+ *           Alan Hourihane <alanh@fairlite.demon.co.uk>,
+ *           Mike Chapman <mike@paranoia.com>,
+ *           Juanjo Santamarta <santamarta@ctv.es>,
+ *           Mitani Hiroshi <hmitani@drl.mei.co.jp>,
+ *           David Thomas <davtom@dream.org.uk>.
+ */
+
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NX-X11, NX protocol compression and NX extensions to this software     */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#include "randrstr.h"
+#include "swaprep.h"
+#ifndef NXAGENT_SERVER
+#include <X11/extensions/panoramiXproto.h>
+#else
+#include "panoramiXproto.h"
+#endif
+
+#define RR_XINERAMA_MAJOR_VERSION   1
+#define RR_XINERAMA_MINOR_VERSION   1
+
+/* Xinerama is not multi-screen capable; just report about screen 0 */
+#define RR_XINERAMA_SCREEN  0
+
+static int ProcRRXineramaQueryVersion(ClientPtr client);
+static int ProcRRXineramaGetState(ClientPtr client);
+static int ProcRRXineramaGetScreenCount(ClientPtr client);
+static int ProcRRXineramaGetScreenSize(ClientPtr client);
+static int ProcRRXineramaIsActive(ClientPtr client);
+static int ProcRRXineramaQueryScreens(ClientPtr client);
+static int SProcRRXineramaDispatch(ClientPtr client);
+
+/* Proc */
+
+int
+ProcRRXineramaQueryVersion(ClientPtr client)
+{
+    xPanoramiXQueryVersionReply	  rep;
+    register int		  n;
+
+    REQUEST_SIZE_MATCH(xPanoramiXQueryVersionReq);
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.majorVersion = RR_XINERAMA_MAJOR_VERSION;
+    rep.minorVersion = RR_XINERAMA_MINOR_VERSION;
+    if(client->swapped) {
+        swaps(&rep.sequenceNumber, n);
+        swapl(&rep.length, n);
+        swaps(&rep.majorVersion, n);
+        swaps(&rep.minorVersion, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXQueryVersionReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+int
+ProcRRXineramaGetState(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetStateReq);
+    WindowPtr			pWin;
+    xPanoramiXGetStateReply	rep;
+    register int		n, rc;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    Bool			active = FALSE;
+
+    REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if(rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    if (pScrPriv)
+    {
+	/* XXX do we need more than this? */
+	active = TRUE;
+    }
+
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.state = active;
+    rep.window = stuff->window;
+    if(client->swapped) {
+       swaps (&rep.sequenceNumber, n);
+       swapl (&rep.length, n);
+       swapl (&rep.window, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXGetStateReply), (char *)&rep);
+    return client->noClientException;
+}
+
+static Bool
+RRXineramaCrtcActive (RRCrtcPtr crtc)
+{
+    return crtc->mode != NULL && crtc->numOutputs > 0;
+}
+
+static int
+RRXineramaScreenCount (ScreenPtr pScreen)
+{
+    int	i, n;
+    
+    n = 0;
+    if (rrGetScrPriv (pScreen))
+    {
+	rrScrPriv(pScreen);
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	    if (RRXineramaCrtcActive (pScrPriv->crtcs[i]))
+		n++;
+    }
+    return n;
+}
+
+static Bool
+RRXineramaScreenActive (ScreenPtr pScreen)
+{
+    return RRXineramaScreenCount (pScreen) > 0;
+}
+
+int
+ProcRRXineramaGetScreenCount(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenCountReq);
+    WindowPtr				pWin;
+    xPanoramiXGetScreenCountReply	rep;
+    register int			n, rc;
+
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+    
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.ScreenCount = RRXineramaScreenCount (pWin->drawable.pScreen);
+    rep.window = stuff->window;
+    if(client->swapped) {
+       swaps(&rep.sequenceNumber, n);
+       swapl(&rep.length, n);
+       swapl(&rep.window, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply), (char *)&rep);
+    return client->noClientException;
+}
+
+int
+ProcRRXineramaGetScreenSize(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenSizeReq);
+    WindowPtr				pWin, pRoot;
+    ScreenPtr				pScreen;
+    xPanoramiXGetScreenSizeReply	rep;
+    register int			n, rc;
+
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+    #ifndef NXAGENT_SERVER
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+    #else
+    pWin = SecurityLookupWindow(stuff->window, client, SecurityReadAccess);
+    rc = pWin ? Success : BadWindow;
+    #endif
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pRoot = WindowTable[pScreen->myNum];
+    
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.width  = pRoot->drawable.width;
+    rep.height = pRoot->drawable.height;
+    rep.window = stuff->window;
+    rep.screen = stuff->screen;
+    if(client->swapped) {
+       swaps(&rep.sequenceNumber, n);
+       swapl(&rep.length, n);
+       swapl(&rep.width, n);
+       swapl(&rep.height, n);
+       swapl(&rep.window, n);
+       swapl(&rep.screen, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXGetScreenSizeReply), (char *)&rep);
+    return client->noClientException;
+}
+
+int
+ProcRRXineramaIsActive(ClientPtr client)
+{
+    xXineramaIsActiveReply	rep;
+
+    REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
+	
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.state = RRXineramaScreenActive (screenInfo.screens[RR_XINERAMA_SCREEN]);
+    if(client->swapped) {
+	register int n;
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.state, n);
+    }
+    WriteToClient(client, sizeof(xXineramaIsActiveReply), (char *) &rep);
+    return client->noClientException;
+}
+
+int
+ProcRRXineramaQueryScreens(ClientPtr client)
+{
+    xXineramaQueryScreensReply	rep;
+    ScreenPtr	pScreen = screenInfo.screens[RR_XINERAMA_SCREEN];
+
+    REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
+
+    if (RRXineramaScreenActive (pScreen))
+    {
+	rrScrPriv(pScreen);
+	if (pScrPriv->numCrtcs == 0 || pScrPriv->numOutputs == 0)
+	    RRGetInfo (pScreen);
+    }
+    
+    rep.type = X_Reply;
+    rep.sequenceNumber = client->sequence;
+    rep.number = RRXineramaScreenCount (pScreen);
+    rep.length = rep.number * sz_XineramaScreenInfo >> 2;
+    if(client->swapped) {
+	register int n;
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.number, n);
+    }
+    WriteToClient(client, sizeof(xXineramaQueryScreensReply), (char *)&rep);
+
+    if(rep.number) {
+	rrScrPriv(pScreen);
+	xXineramaScreenInfo scratch;
+	int i;
+
+	for(i = 0; i < pScrPriv->numCrtcs; i++) {
+	    RRCrtcPtr	crtc = pScrPriv->crtcs[i];
+	    if (RRXineramaCrtcActive (crtc))
+	    {
+	        int width, height;
+		RRCrtcGetScanoutSize (crtc, &width, &height);
+		scratch.x_org  = crtc->x;
+		scratch.y_org  = crtc->y;
+		scratch.width  = width;
+		scratch.height = height;
+		if(client->swapped) {
+		    register int n;
+		    swaps(&scratch.x_org, n);
+		    swaps(&scratch.y_org, n);
+		    swaps(&scratch.width, n);
+		    swaps(&scratch.height, n);
+		}
+		WriteToClient(client, sz_XineramaScreenInfo, (char *)&scratch);
+	    }
+	}
+    }
+
+    return client->noClientException;
+}
+
+static int
+ProcRRXineramaDispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    switch (stuff->data) {
+	case X_PanoramiXQueryVersion:
+	     return ProcRRXineramaQueryVersion(client);
+	case X_PanoramiXGetState:
+	     return ProcRRXineramaGetState(client);
+	case X_PanoramiXGetScreenCount:
+	     return ProcRRXineramaGetScreenCount(client);
+	case X_PanoramiXGetScreenSize:
+	     return ProcRRXineramaGetScreenSize(client);
+	case X_XineramaIsActive:
+	     return ProcRRXineramaIsActive(client);
+	case X_XineramaQueryScreens:
+	     return ProcRRXineramaQueryScreens(client);
+    }
+    return BadRequest;
+}
+
+/* SProc */
+
+static int
+SProcRRXineramaQueryVersion (ClientPtr client)
+{
+    REQUEST(xPanoramiXQueryVersionReq);
+    register int n;
+    swaps(&stuff->length,n);
+    REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq);
+    return ProcRRXineramaQueryVersion(client);
+}
+
+static int
+SProcRRXineramaGetState(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetStateReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
+    swapl (&stuff->window, n);
+    return ProcRRXineramaGetState(client);
+}
+
+static int
+SProcRRXineramaGetScreenCount(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenCountReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
+    swapl (&stuff->window, n);
+    return ProcRRXineramaGetScreenCount(client);
+}
+
+static int
+SProcRRXineramaGetScreenSize(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenSizeReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+    swapl (&stuff->window, n);
+    swapl (&stuff->screen, n);
+    return ProcRRXineramaGetScreenSize(client);
+}
+
+static int
+SProcRRXineramaIsActive(ClientPtr client)
+{
+    REQUEST(xXineramaIsActiveReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
+    return ProcRRXineramaIsActive(client);
+}
+
+static int
+SProcRRXineramaQueryScreens(ClientPtr client)
+{
+    REQUEST(xXineramaQueryScreensReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
+    return ProcRRXineramaQueryScreens(client);
+}
+
+int
+SProcRRXineramaDispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    switch (stuff->data) {
+	case X_PanoramiXQueryVersion:
+	     return SProcRRXineramaQueryVersion(client);
+	case X_PanoramiXGetState:
+	     return SProcRRXineramaGetState(client);
+	case X_PanoramiXGetScreenCount:
+	     return SProcRRXineramaGetScreenCount(client);
+	case X_PanoramiXGetScreenSize:
+	     return SProcRRXineramaGetScreenSize(client);
+	case X_XineramaIsActive:
+	     return SProcRRXineramaIsActive(client);
+	case X_XineramaQueryScreens:
+	     return SProcRRXineramaQueryScreens(client);
+    }
+    return BadRequest;
+}
+
+static void
+RRXineramaResetProc(ExtensionEntry* extEntry)
+{
+}
+
+void
+RRXineramaExtensionInit(void)
+{
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension)
+	return;
+#endif
+
+    /*
+     * Xinerama isn't capable enough to have multiple protocol screens each
+     * with their own output geometry.  So if there's more than one protocol
+     * screen, just don't even try.
+     */
+    if (screenInfo.numScreens > 1)
+	return;
+
+    (void) AddExtension(PANORAMIX_PROTOCOL_NAME, 0,0,
+			ProcRRXineramaDispatch,
+			SProcRRXineramaDispatch,
+			RRXineramaResetProc,
+			StandardMinorOpcode);
+}

nx-X11/programs/Xserver/randr/rrxinerama.c.X.original

+/*
+ * Copyright © 2006 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+/*
+ * This Xinerama implementation comes from the SiS driver which has
+ * the following notice:
+ */
+/* 
+ * SiS driver main code
+ *
+ * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1) Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2) Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3) The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author: Thomas Winischhofer <thomas@winischhofer.net>
+ *	- driver entirely rewritten since 2001, only basic structure taken from
+ *	  old code (except sis_dri.c, sis_shadow.c, sis_accel.c and parts of
+ *	  sis_dga.c; these were mostly taken over; sis_dri.c was changed for
+ *	  new versions of the DRI layer)
+ *
+ * This notice covers the entire driver code unless indicated otherwise.
+ *
+ * Formerly based on code which was
+ * 	     Copyright (C) 1998, 1999 by Alan Hourihane, Wigan, England.
+ * 	     Written by:
+ *           Alan Hourihane <alanh@fairlite.demon.co.uk>,
+ *           Mike Chapman <mike@paranoia.com>,
+ *           Juanjo Santamarta <santamarta@ctv.es>,
+ *           Mitani Hiroshi <hmitani@drl.mei.co.jp>,
+ *           David Thomas <davtom@dream.org.uk>.
+ */
+
+#include "randrstr.h"
+#include "swaprep.h"
+#include <X11/extensions/panoramiXproto.h>
+
+#define RR_XINERAMA_MAJOR_VERSION   1
+#define RR_XINERAMA_MINOR_VERSION   1
+
+/* Xinerama is not multi-screen capable; just report about screen 0 */
+#define RR_XINERAMA_SCREEN  0
+
+static int ProcRRXineramaQueryVersion(ClientPtr client);
+static int ProcRRXineramaGetState(ClientPtr client);
+static int ProcRRXineramaGetScreenCount(ClientPtr client);
+static int ProcRRXineramaGetScreenSize(ClientPtr client);
+static int ProcRRXineramaIsActive(ClientPtr client);
+static int ProcRRXineramaQueryScreens(ClientPtr client);
+static int SProcRRXineramaDispatch(ClientPtr client);
+
+/* Proc */
+
+int
+ProcRRXineramaQueryVersion(ClientPtr client)
+{
+    xPanoramiXQueryVersionReply	  rep;
+    register int		  n;
+
+    REQUEST_SIZE_MATCH(xPanoramiXQueryVersionReq);
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.majorVersion = RR_XINERAMA_MAJOR_VERSION;
+    rep.minorVersion = RR_XINERAMA_MINOR_VERSION;
+    if(client->swapped) {
+        swaps(&rep.sequenceNumber, n);
+        swapl(&rep.length, n);
+        swaps(&rep.majorVersion, n);
+        swaps(&rep.minorVersion, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXQueryVersionReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+int
+ProcRRXineramaGetState(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetStateReq);
+    WindowPtr			pWin;
+    xPanoramiXGetStateReply	rep;
+    register int		n, rc;
+    ScreenPtr			pScreen;
+    rrScrPrivPtr		pScrPriv;
+    Bool			active = FALSE;
+
+    REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+    if(rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pScrPriv = rrGetScrPriv(pScreen);
+    if (pScrPriv)
+    {
+	/* XXX do we need more than this? */
+	active = TRUE;
+    }
+
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.state = active;
+    rep.window = stuff->window;
+    if(client->swapped) {
+       swaps (&rep.sequenceNumber, n);
+       swapl (&rep.length, n);
+       swapl (&rep.window, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXGetStateReply), (char *)&rep);
+    return client->noClientException;
+}
+
+static Bool
+RRXineramaCrtcActive (RRCrtcPtr crtc)
+{
+    return crtc->mode != NULL && crtc->numOutputs > 0;
+}
+
+static int
+RRXineramaScreenCount (ScreenPtr pScreen)
+{
+    int	i, n;
+    
+    n = 0;
+    if (rrGetScrPriv (pScreen))
+    {
+	rrScrPriv(pScreen);
+	for (i = 0; i < pScrPriv->numCrtcs; i++)
+	    if (RRXineramaCrtcActive (pScrPriv->crtcs[i]))
+		n++;
+    }
+    return n;
+}
+
+static Bool
+RRXineramaScreenActive (ScreenPtr pScreen)
+{
+    return RRXineramaScreenCount (pScreen) > 0;
+}
+
+int
+ProcRRXineramaGetScreenCount(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenCountReq);
+    WindowPtr				pWin;
+    xPanoramiXGetScreenCountReply	rep;
+    register int			n, rc;
+
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+    if (rc != Success)
+	return rc;
+    
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.ScreenCount = RRXineramaScreenCount (pWin->drawable.pScreen);
+    rep.window = stuff->window;
+    if(client->swapped) {
+       swaps(&rep.sequenceNumber, n);
+       swapl(&rep.length, n);
+       swapl(&rep.window, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply), (char *)&rep);
+    return client->noClientException;
+}
+
+int
+ProcRRXineramaGetScreenSize(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenSizeReq);
+    WindowPtr				pWin, pRoot;
+    ScreenPtr				pScreen;
+    xPanoramiXGetScreenSizeReply	rep;
+    register int			n, rc;
+
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+    if (rc != Success)
+	return rc;
+
+    pScreen = pWin->drawable.pScreen;
+    pRoot = WindowTable[pScreen->myNum];
+    
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.width  = pRoot->drawable.width;
+    rep.height = pRoot->drawable.height;
+    rep.window = stuff->window;
+    rep.screen = stuff->screen;
+    if(client->swapped) {
+       swaps(&rep.sequenceNumber, n);
+       swapl(&rep.length, n);
+       swapl(&rep.width, n);
+       swapl(&rep.height, n);
+       swapl(&rep.window, n);
+       swapl(&rep.screen, n);
+    }
+    WriteToClient(client, sizeof(xPanoramiXGetScreenSizeReply), (char *)&rep);
+    return client->noClientException;
+}
+
+int
+ProcRRXineramaIsActive(ClientPtr client)
+{
+    xXineramaIsActiveReply	rep;
+
+    REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
+	
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.state = RRXineramaScreenActive (screenInfo.screens[RR_XINERAMA_SCREEN]);
+    if(client->swapped) {
+	register int n;
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.state, n);
+    }
+    WriteToClient(client, sizeof(xXineramaIsActiveReply), (char *) &rep);
+    return client->noClientException;
+}
+
+int
+ProcRRXineramaQueryScreens(ClientPtr client)
+{
+    xXineramaQueryScreensReply	rep;
+    ScreenPtr	pScreen = screenInfo.screens[RR_XINERAMA_SCREEN];
+
+    REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
+
+    if (RRXineramaScreenActive (pScreen))
+    {
+	rrScrPriv(pScreen);
+	if (pScrPriv->numCrtcs == 0 || pScrPriv->numOutputs == 0)
+	    RRGetInfo (pScreen);
+    }
+    
+    rep.type = X_Reply;
+    rep.sequenceNumber = client->sequence;
+    rep.number = RRXineramaScreenCount (pScreen);
+    rep.length = rep.number * sz_XineramaScreenInfo >> 2;
+    if(client->swapped) {
+	register int n;
+	swaps(&rep.sequenceNumber, n);
+	swapl(&rep.length, n);
+	swapl(&rep.number, n);
+    }
+    WriteToClient(client, sizeof(xXineramaQueryScreensReply), (char *)&rep);
+
+    if(rep.number) {
+	rrScrPriv(pScreen);
+	xXineramaScreenInfo scratch;
+	int i;
+
+	for(i = 0; i < pScrPriv->numCrtcs; i++) {
+	    RRCrtcPtr	crtc = pScrPriv->crtcs[i];
+	    if (RRXineramaCrtcActive (crtc))
+	    {
+	        int width, height;
+		RRCrtcGetScanoutSize (crtc, &width, &height);
+		scratch.x_org  = crtc->x;
+		scratch.y_org  = crtc->y;
+		scratch.width  = width;
+		scratch.height = height;
+		if(client->swapped) {
+		    register int n;
+		    swaps(&scratch.x_org, n);
+		    swaps(&scratch.y_org, n);
+		    swaps(&scratch.width, n);
+		    swaps(&scratch.height, n);
+		}
+		WriteToClient(client, sz_XineramaScreenInfo, (char *)&scratch);
+	    }
+	}
+    }
+
+    return client->noClientException;
+}
+
+static int
+ProcRRXineramaDispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    switch (stuff->data) {
+	case X_PanoramiXQueryVersion:
+	     return ProcRRXineramaQueryVersion(client);
+	case X_PanoramiXGetState:
+	     return ProcRRXineramaGetState(client);
+	case X_PanoramiXGetScreenCount:
+	     return ProcRRXineramaGetScreenCount(client);
+	case X_PanoramiXGetScreenSize:
+	     return ProcRRXineramaGetScreenSize(client);
+	case X_XineramaIsActive:
+	     return ProcRRXineramaIsActive(client);
+	case X_XineramaQueryScreens:
+	     return ProcRRXineramaQueryScreens(client);
+    }
+    return BadRequest;
+}
+
+/* SProc */
+
+static int
+SProcRRXineramaQueryVersion (ClientPtr client)
+{
+    REQUEST(xPanoramiXQueryVersionReq);
+    register int n;
+    swaps(&stuff->length,n);
+    REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq);
+    return ProcRRXineramaQueryVersion(client);
+}
+
+static int
+SProcRRXineramaGetState(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetStateReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
+    swapl (&stuff->window, n);
+    return ProcRRXineramaGetState(client);
+}
+
+static int
+SProcRRXineramaGetScreenCount(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenCountReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
+    swapl (&stuff->window, n);
+    return ProcRRXineramaGetScreenCount(client);
+}
+
+static int
+SProcRRXineramaGetScreenSize(ClientPtr client)
+{
+    REQUEST(xPanoramiXGetScreenSizeReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+    swapl (&stuff->window, n);
+    swapl (&stuff->screen, n);
+    return ProcRRXineramaGetScreenSize(client);
+}
+
+static int
+SProcRRXineramaIsActive(ClientPtr client)
+{
+    REQUEST(xXineramaIsActiveReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
+    return ProcRRXineramaIsActive(client);
+}
+
+static int
+SProcRRXineramaQueryScreens(ClientPtr client)
+{
+    REQUEST(xXineramaQueryScreensReq);
+    register int n;
+    swaps (&stuff->length, n);
+    REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
+    return ProcRRXineramaQueryScreens(client);
+}
+
+int
+SProcRRXineramaDispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    switch (stuff->data) {
+	case X_PanoramiXQueryVersion:
+	     return SProcRRXineramaQueryVersion(client);
+	case X_PanoramiXGetState:
+	     return SProcRRXineramaGetState(client);
+	case X_PanoramiXGetScreenCount:
+	     return SProcRRXineramaGetScreenCount(client);
+	case X_PanoramiXGetScreenSize:
+	     return SProcRRXineramaGetScreenSize(client);
+	case X_XineramaIsActive:
+	     return SProcRRXineramaIsActive(client);
+	case X_XineramaQueryScreens:
+	     return SProcRRXineramaQueryScreens(client);
+    }
+    return BadRequest;
+}
+
+static void
+RRXineramaResetProc(ExtensionEntry* extEntry)
+{
+}
+
+void
+RRXineramaExtensionInit(void)
+{
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension)
+	return;
+#endif
+
+    /*
+     * Xinerama isn't capable enough to have multiple protocol screens each
+     * with their own output geometry.  So if there's more than one protocol
+     * screen, just don't even try.
+     */
+    if (screenInfo.numScreens > 1)
+	return;
+
+    (void) AddExtension(PANORAMIX_PROTOCOL_NAME, 0,0,
+			ProcRRXineramaDispatch,
+			SProcRRXineramaDispatch,
+			RRXineramaResetProc,
+			StandardMinorOpcode);
+}