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Commit c6f86b3b authored by Mike Gabriel's avatar Mike Gabriel
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hw/nxagent/NXshm.c: Shrink file, drop duplicate code that can identically be found in Xext/shm.c.

parent 51e4ed0f
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Showing with 17 additions and 964 deletions
nx-X11/programs/Xserver/Xext/Imakefile
View file @ c6f86b3b
...@@ -30,7 +30,7 @@ XCOMM $XFree86: xc/programs/Xserver/Xext/Imakefile,v 3.43 2003/04/21 18:56:48 sv ...@@ -30,7 +30,7 @@ XCOMM $XFree86: xc/programs/Xserver/Xext/Imakefile,v 3.43 2003/04/21 18:56:48 sv
SUBDIRS = extmod SUBDIRS = extmod
#endif #endif
#if HasShm #if HasShm && (!(defined(NXAgentServer) && NXAgentServer))
SHMSRCS = shm.c SHMSRCS = shm.c
SHMOBJS = shm.o SHMOBJS = shm.o
#endif #endif
......
nx-X11/programs/Xserver/Xext/shm.c
View file @ c6f86b3b
...@@ -202,6 +202,7 @@ static Bool CheckForShmSyscall() ...@@ -202,6 +202,7 @@ static Bool CheckForShmSyscall()
#endif #endif
#ifndef NXAGENT_SERVER
void void
ShmExtensionInit(INITARGS) ShmExtensionInit(INITARGS)
{ {
...@@ -265,6 +266,7 @@ ShmExtensionInit(INITARGS) ...@@ -265,6 +266,7 @@ ShmExtensionInit(INITARGS)
EventSwapVector[ShmCompletionCode] = (EventSwapPtr) SShmCompletionEvent; EventSwapVector[ShmCompletionCode] = (EventSwapPtr) SShmCompletionEvent;
} }
} }
#endif /* NXAGENT_SERVER */
/*ARGSUSED*/ /*ARGSUSED*/
static void static void
...@@ -502,6 +504,7 @@ ProcShmDetach(client) ...@@ -502,6 +504,7 @@ ProcShmDetach(client)
return(client->noClientException); return(client->noClientException);
} }
#ifndef NXAGENT_SERVER
static void static void
miShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy, data) miShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy, data)
DrawablePtr dst; DrawablePtr dst;
...@@ -563,6 +566,7 @@ fbShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy, data) ...@@ -563,6 +566,7 @@ fbShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy, data)
miShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy, miShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy,
data); data);
} }
#endif /* NXAGENT_SERVER */
#ifdef PANORAMIX #ifdef PANORAMIX
...@@ -824,6 +828,7 @@ CreatePmap: ...@@ -824,6 +828,7 @@ CreatePmap:
#endif #endif
#ifndef NXAGENT_SERVER
static int static int
ProcShmPutImage(client) ProcShmPutImage(client)
register ClientPtr client; register ClientPtr client;
...@@ -934,7 +939,7 @@ ProcShmPutImage(client) ...@@ -934,7 +939,7 @@ ProcShmPutImage(client)
return (client->noClientException); return (client->noClientException);
} }
#endif /* NXAGENT_SERVER */
static int static int
...@@ -1047,6 +1052,7 @@ ProcShmGetImage(client) ...@@ -1047,6 +1052,7 @@ ProcShmGetImage(client)
return(client->noClientException); return(client->noClientException);
} }
#ifndef NXAGENT_SERVER
static PixmapPtr static PixmapPtr
fbShmCreatePixmap (pScreen, width, height, depth, addr) fbShmCreatePixmap (pScreen, width, height, depth, addr)
ScreenPtr pScreen; ScreenPtr pScreen;
...@@ -1068,6 +1074,7 @@ fbShmCreatePixmap (pScreen, width, height, depth, addr) ...@@ -1068,6 +1074,7 @@ fbShmCreatePixmap (pScreen, width, height, depth, addr)
} }
return pPixmap; return pPixmap;
} }
#endif /* NXAGENT_SERVER */
static int static int
ProcShmCreatePixmap(client) ProcShmCreatePixmap(client)
...@@ -1142,6 +1149,7 @@ CreatePmap: ...@@ -1142,6 +1149,7 @@ CreatePmap:
return (BadAlloc); return (BadAlloc);
} }
#ifndef NXAGENT_SERVER
static int static int
ProcShmDispatch (client) ProcShmDispatch (client)
register ClientPtr client; register ClientPtr client;
...@@ -1177,6 +1185,7 @@ ProcShmDispatch (client) ...@@ -1177,6 +1185,7 @@ ProcShmDispatch (client)
return BadRequest; return BadRequest;
} }
} }
#endif /* NXAGENT_SERVER */
static void static void
SShmCompletionEvent(from, to) SShmCompletionEvent(from, to)
...@@ -1286,6 +1295,7 @@ SProcShmCreatePixmap(client) ...@@ -1286,6 +1295,7 @@ SProcShmCreatePixmap(client)
return ProcShmCreatePixmap(client); return ProcShmCreatePixmap(client);
} }
#ifndef NXAGENT_SERVER
static int static int
SProcShmDispatch (client) SProcShmDispatch (client)
register ClientPtr client; register ClientPtr client;
...@@ -1309,3 +1319,4 @@ SProcShmDispatch (client) ...@@ -1309,3 +1319,4 @@ SProcShmDispatch (client)
return BadRequest; return BadRequest;
} }
} }
#endif /* NXAGENT_SERVER */
\ No newline at end of file
nx-X11/programs/Xserver/hw/nxagent/NXshm.c
View file @ c6f86b3b
...@@ -46,55 +46,16 @@ in this Software without prior written authorization from The Open Group. ...@@ -46,55 +46,16 @@ in this Software without prior written authorization from The Open Group.
/* $Xorg: shm.c,v 1.4 2001/02/09 02:04:33 xorgcvs Exp $ */ /* $Xorg: shm.c,v 1.4 2001/02/09 02:04:33 xorgcvs Exp $ */
#define SHM
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <sys/types.h>
#ifndef Lynx
#include <sys/ipc.h>
#include <sys/shm.h>
#else
#include <ipc.h>
#include <shm.h>
#endif
#include <unistd.h>
#include <sys/stat.h>
#define NEED_REPLIES
#define NEED_EVENTS
#include <nx-X11/X.h> #include <nx-X11/X.h>
#include <nx-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 "gcstruct.h"
#include "extnsionst.h"
#include "servermd.h"
#define _XSHM_SERVER_
#include <nx-X11/extensions/shmstr.h>
#include <nx-X11/Xfuncproto.h>
#ifdef EXTMODULE
#include "xf86_ansic.h"
#endif
#ifdef PANORAMIX
#include "panoramiX.h"
#include "panoramiXsrv.h"
#endif
#include "modinit.h"
#include "Trap.h" #include "Trap.h"
#include "Agent.h" #include "Agent.h"
#include "Drawable.h" #include "Drawable.h"
#include "Pixmaps.h" #include "Pixmaps.h"
#include "../../Xext/shm.c"
/* /*
* Set here the required log level. * Set here the required log level.
*/ */
...@@ -115,135 +76,6 @@ extern void fbPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth, ...@@ -115,135 +76,6 @@ extern void fbPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth,
int x, int y, int w, int h, int leftPad, int format, int x, int y, int w, int h, int leftPad, int format,
char *pImage); char *pImage);
typedef struct _ShmDesc {
struct _ShmDesc *next;
int shmid;
int refcnt;
char *addr;
Bool writable;
unsigned long size;
} ShmDescRec, *ShmDescPtr;
static void miShmPutImage(XSHM_PUT_IMAGE_ARGS);
static void fbShmPutImage(XSHM_PUT_IMAGE_ARGS);
static PixmapPtr fbShmCreatePixmap(XSHM_CREATE_PIXMAP_ARGS);
static int ShmDetachSegment(
void * /* value */,
XID /* shmseg */
);
static void ShmResetProc(
ExtensionEntry * /* extEntry */
);
static void SShmCompletionEvent(
xShmCompletionEvent * /* from */,
xShmCompletionEvent * /* to */
);
static Bool ShmDestroyPixmap (PixmapPtr pPixmap);
static DISPATCH_PROC(ProcShmAttach);
static DISPATCH_PROC(ProcShmCreatePixmap);
static DISPATCH_PROC(ProcShmDetach);
static DISPATCH_PROC(ProcShmDispatch);
static DISPATCH_PROC(ProcShmGetImage);
static DISPATCH_PROC(ProcShmPutImage);
static DISPATCH_PROC(ProcShmQueryVersion);
static DISPATCH_PROC(SProcShmAttach);
static DISPATCH_PROC(SProcShmCreatePixmap);
static DISPATCH_PROC(SProcShmDetach);
static DISPATCH_PROC(SProcShmDispatch);
static DISPATCH_PROC(SProcShmGetImage);
static DISPATCH_PROC(SProcShmPutImage);
static DISPATCH_PROC(SProcShmQueryVersion);
static unsigned char ShmReqCode;
int ShmCompletionCode;
int BadShmSegCode;
RESTYPE ShmSegType;
static ShmDescPtr Shmsegs;
static Bool sharedPixmaps;
static int pixmapFormat;
static int shmPixFormat[MAXSCREENS];
static ShmFuncsPtr shmFuncs[MAXSCREENS];
static DestroyPixmapProcPtr destroyPixmap[MAXSCREENS];
#ifdef PIXPRIV
static int shmPixmapPrivate;
#endif
static ShmFuncs miFuncs = {NULL, miShmPutImage};
static ShmFuncs fbFuncs = {fbShmCreatePixmap, fbShmPutImage};
#define VERIFY_SHMSEG(shmseg,shmdesc,client) \
{ \
shmdesc = (ShmDescPtr)LookupIDByType(shmseg, ShmSegType); \
if (!shmdesc) \
{ \
client->errorValue = shmseg; \
return BadShmSegCode; \
} \
}
#define VERIFY_SHMPTR(shmseg,offset,needwrite,shmdesc,client) \
{ \
VERIFY_SHMSEG(shmseg, shmdesc, client); \
if ((offset & 3) || (offset > shmdesc->size)) \
{ \
client->errorValue = offset; \
return BadValue; \
} \
if (needwrite && !shmdesc->writable) \
return BadAccess; \
}
#define VERIFY_SHMSIZE(shmdesc,offset,len,client) \
{ \
if ((offset + len) > shmdesc->size) \
{ \
return BadAccess; \
} \
}
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__)
#include <sys/signal.h>
static Bool badSysCall = FALSE;
static void
SigSysHandler(signo)
int signo;
{
badSysCall = TRUE;
}
static Bool CheckForShmSyscall()
{
void (*oldHandler)();
int shmid = -1;
/* If no SHM support in the kernel, the bad syscall will generate SIGSYS */
oldHandler = signal(SIGSYS, SigSysHandler);
badSysCall = FALSE;
shmid = shmget(IPC_PRIVATE, 4096, IPC_CREAT);
if (shmid != -1)
{
/* Successful allocation - clean up */
shmctl(shmid, IPC_RMID, (struct shmid_ds *)NULL);
}
else
{
/* Allocation failed */
badSysCall = TRUE;
}
signal(SIGSYS, oldHandler);
return(!badSysCall);
}
#define MUST_CHECK_FOR_SHM_SYSCALL
#endif
void void
ShmExtensionInit(INITARGS) ShmExtensionInit(INITARGS)
{ {
...@@ -318,245 +150,6 @@ ShmExtensionInit(INITARGS) ...@@ -318,245 +150,6 @@ ShmExtensionInit(INITARGS)
} }
} }
/*ARGSUSED*/
static void
ShmResetProc (extEntry)
ExtensionEntry *extEntry;
{
int i;
for (i = 0; i < MAXSCREENS; i++)
{
shmFuncs[i] = (ShmFuncsPtr)NULL;
shmPixFormat[i] = 0;
}
}
void
ShmRegisterFuncs(
ScreenPtr pScreen,
ShmFuncsPtr funcs)
{
shmFuncs[pScreen->myNum] = funcs;
}
void
ShmSetPixmapFormat(
ScreenPtr pScreen,
int format)
{
shmPixFormat[pScreen->myNum] = format;
}
static Bool
ShmDestroyPixmap (PixmapPtr pPixmap)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
Bool ret;
if (pPixmap->refcnt == 1)
{
ShmDescPtr shmdesc;
#ifdef PIXPRIV
shmdesc = (ShmDescPtr) pPixmap->devPrivates[shmPixmapPrivate].ptr;
#else
char *base = (char *) pPixmap->devPrivate.ptr;
if (base != (void *) (pPixmap + 1))
{
for (shmdesc = Shmsegs; shmdesc; shmdesc = shmdesc->next)
{
if (shmdesc->addr <= base && base <= shmdesc->addr + shmdesc->size)
break;
}
}
else
shmdesc = 0;
#endif
if (shmdesc)
ShmDetachSegment ((void *) shmdesc, pPixmap->drawable.id);
}
pScreen->DestroyPixmap = destroyPixmap[pScreen->myNum];
ret = (*pScreen->DestroyPixmap) (pPixmap);
destroyPixmap[pScreen->myNum] = pScreen->DestroyPixmap;
pScreen->DestroyPixmap = ShmDestroyPixmap;
return ret;
}
void
ShmRegisterFbFuncs(pScreen)
ScreenPtr pScreen;
{
#ifdef TEST
fprintf(stderr, "ShmRegisterFbFuncs: Registering shmFuncs as fbFuncs.\n");
#endif
shmFuncs[pScreen->myNum] = &fbFuncs;
}
static int
ProcShmQueryVersion(client)
register ClientPtr client;
{
xShmQueryVersionReply rep;
register int n;
REQUEST_SIZE_MATCH(xShmQueryVersionReq);
memset(&rep, 0, sizeof(xShmQueryVersionReply));
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.sharedPixmaps = sharedPixmaps;
rep.pixmapFormat = pixmapFormat;
rep.majorVersion = SHM_MAJOR_VERSION;
rep.minorVersion = SHM_MINOR_VERSION;
rep.uid = geteuid();
rep.gid = getegid();
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swaps(&rep.majorVersion, n);
swaps(&rep.minorVersion, n);
swaps(&rep.uid, n);
swaps(&rep.gid, n);
}
WriteToClient(client, sizeof(xShmQueryVersionReply), (char *)&rep);
return (client->noClientException);
}
/*
* Simulate the access() system call for a shared memory segement,
* using the credentials from the client if available
*/
static int
shm_access(ClientPtr client, struct ipc_perm *perm, int readonly)
{
int uid, gid;
mode_t mask;
if (LocalClientCred(client, &uid, &gid) != -1) {
/* User id 0 always gets access */
if (uid == 0) {
return 0;
}
/* Check the owner */
if (perm->uid == uid || perm->cuid == uid) {
mask = S_IRUSR;
if (!readonly) {
mask |= S_IWUSR;
}
return (perm->mode & mask) == mask ? 0 : -1;
}
/* Check the group */
if (perm->gid == gid || perm->cgid == gid) {
mask = S_IRGRP;
if (!readonly) {
mask |= S_IWGRP;
}
return (perm->mode & mask) == mask ? 0 : -1;
}
}
/* Otherwise, check everyone else */
mask = S_IROTH;
if (!readonly) {
mask |= S_IWOTH;
}
return (perm->mode & mask) == mask ? 0 : -1;
}
static int
ProcShmAttach(client)
register ClientPtr client;
{
struct shmid_ds buf;
ShmDescPtr shmdesc;
REQUEST(xShmAttachReq);
REQUEST_SIZE_MATCH(xShmAttachReq);
LEGAL_NEW_RESOURCE(stuff->shmseg, client);
if ((stuff->readOnly != xTrue) && (stuff->readOnly != xFalse))
{
client->errorValue = stuff->readOnly;
return(BadValue);
}
for (shmdesc = Shmsegs;
shmdesc && (shmdesc->shmid != stuff->shmid);
shmdesc = shmdesc->next)
;
if (shmdesc)
{
if (!stuff->readOnly && !shmdesc->writable)
return BadAccess;
shmdesc->refcnt++;
}
else
{
shmdesc = (ShmDescPtr) xalloc(sizeof(ShmDescRec));
if (!shmdesc)
return BadAlloc;
shmdesc->addr = shmat(stuff->shmid, 0,
stuff->readOnly ? SHM_RDONLY : 0);
if ((shmdesc->addr == ((char *)-1)) ||
shmctl(stuff->shmid, IPC_STAT, &buf))
{
xfree(shmdesc);
return BadAccess;
}
/* The attach was performed with root privs. We must
* do manual checking of access rights for the credentials
* of the client */
if (shm_access(client, &(buf.shm_perm), stuff->readOnly) == -1) {
shmdt(shmdesc->addr);
xfree(shmdesc);
return BadAccess;
}
shmdesc->shmid = stuff->shmid;
shmdesc->refcnt = 1;
shmdesc->writable = !stuff->readOnly;
shmdesc->size = buf.shm_segsz;
shmdesc->next = Shmsegs;
Shmsegs = shmdesc;
}
if (!AddResource(stuff->shmseg, ShmSegType, (void *)shmdesc))
return BadAlloc;
return(client->noClientException);
}
/*ARGSUSED*/
static int
ShmDetachSegment(value, shmseg)
void * value; /* must conform to DeleteType */
XID shmseg;
{
ShmDescPtr shmdesc = (ShmDescPtr)value;
ShmDescPtr *prev;
if (--shmdesc->refcnt)
return TRUE;
shmdt(shmdesc->addr);
for (prev = &Shmsegs; *prev != shmdesc; prev = &(*prev)->next)
;
*prev = shmdesc->next;
xfree(shmdesc);
return Success;
}
static int
ProcShmDetach(client)
register ClientPtr client;
{
ShmDescPtr shmdesc;
REQUEST(xShmDetachReq);
REQUEST_SIZE_MATCH(xShmDetachReq);
VERIFY_SHMSEG(stuff->shmseg, shmdesc, client);
FreeResource(stuff->shmseg, RT_NONE);
return(client->noClientException);
}
static void static void
miShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy, data) miShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy, data)
DrawablePtr dst; DrawablePtr dst;
...@@ -668,266 +261,6 @@ fbShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy, data) ...@@ -668,266 +261,6 @@ fbShmPutImage(dst, pGC, depth, format, w, h, sx, sy, sw, sh, dx, dy, data)
} }
} }
#ifdef PANORAMIX
static int
ProcPanoramiXShmPutImage(register ClientPtr client)
{
int j, result = 0, orig_x, orig_y;
PanoramiXRes *draw, *gc;
Bool sendEvent, isRoot;
REQUEST(xShmPutImageReq);
REQUEST_SIZE_MATCH(xShmPutImageReq);
if(!(draw = (PanoramiXRes *)SecurityLookupIDByClass(
client, stuff->drawable, XRC_DRAWABLE, SecurityWriteAccess)))
return BadDrawable;
if(!(gc = (PanoramiXRes *)SecurityLookupIDByType(
client, stuff->gc, XRT_GC, SecurityReadAccess)))
return BadGC;
isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;
orig_x = stuff->dstX;
orig_y = stuff->dstY;
sendEvent = stuff->sendEvent;
stuff->sendEvent = 0;
FOR_NSCREENS(j) {
if(!j) stuff->sendEvent = sendEvent;
stuff->drawable = draw->info[j].id;
stuff->gc = gc->info[j].id;
if (isRoot) {
stuff->dstX = orig_x - panoramiXdataPtr[j].x;
stuff->dstY = orig_y - panoramiXdataPtr[j].y;
}
result = ProcShmPutImage(client);
if(result != client->noClientException) break;
}
return(result);
}
static int
ProcPanoramiXShmGetImage(ClientPtr client)
{
PanoramiXRes *draw;
DrawablePtr drawables[MAXSCREENS];
DrawablePtr pDraw;
xShmGetImageReply xgi;
ShmDescPtr shmdesc;
int i, x, y, w, h, format;
Mask plane = 0, planemask;
long lenPer = 0, length, widthBytesLine;
Bool isRoot;
REQUEST(xShmGetImageReq);
REQUEST_SIZE_MATCH(xShmGetImageReq);
if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap)) {
client->errorValue = stuff->format;
return(BadValue);
}
if(!(draw = (PanoramiXRes *)SecurityLookupIDByClass(
client, stuff->drawable, XRC_DRAWABLE, SecurityWriteAccess)))
return BadDrawable;
if (draw->type == XRT_PIXMAP)
return ProcShmGetImage(client);
VERIFY_DRAWABLE(pDraw, stuff->drawable, client);
VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client);
x = stuff->x;
y = stuff->y;
w = stuff->width;
h = stuff->height;
format = stuff->format;
planemask = stuff->planeMask;
isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root;
if(isRoot) {
if( /* check for being onscreen */
x < 0 || x + w > PanoramiXPixWidth ||
y < 0 || y + h > PanoramiXPixHeight )
return(BadMatch);
} else {
if( /* check for being onscreen */
panoramiXdataPtr[0].x + pDraw->x + x < 0 ||
panoramiXdataPtr[0].x + pDraw->x + x + w > PanoramiXPixWidth ||
panoramiXdataPtr[0].y + pDraw->y + y < 0 ||
panoramiXdataPtr[0].y + pDraw->y + y + h > PanoramiXPixHeight ||
/* check for being inside of border */
x < - wBorderWidth((WindowPtr)pDraw) ||
x + w > wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width ||
y < -wBorderWidth((WindowPtr)pDraw) ||
y + h > wBorderWidth ((WindowPtr)pDraw) + (int)pDraw->height)
return(BadMatch);
}
drawables[0] = pDraw;
for(i = 1; i < PanoramiXNumScreens; i++)
VERIFY_DRAWABLE(drawables[i], draw->info[i].id, client);
xgi.visual = wVisual(((WindowPtr)pDraw));
xgi.type = X_Reply;
xgi.length = 0;
xgi.sequenceNumber = client->sequence;
xgi.depth = pDraw->depth;
if(format == ZPixmap) {
widthBytesLine = PixmapBytePad(w, pDraw->depth);
length = widthBytesLine * h;
} else {
widthBytesLine = PixmapBytePad(w, 1);
lenPer = widthBytesLine * h;
plane = ((Mask)1) << (pDraw->depth - 1);
length = lenPer * Ones(planemask & (plane | (plane - 1)));
}
VERIFY_SHMSIZE(shmdesc, stuff->offset, length, client);
xgi.size = length;
if (length == 0) {/* nothing to do */ }
else if (format == ZPixmap) {
XineramaGetImageData(drawables, x, y, w, h, format, planemask,
shmdesc->addr + stuff->offset,
widthBytesLine, isRoot);
} else {
length = stuff->offset;
for (; plane; plane >>= 1) {
if (planemask & plane) {
XineramaGetImageData(drawables, x, y, w, h,
format, plane, shmdesc->addr + length,
widthBytesLine, isRoot);
length += lenPer;
}
}
}
if (client->swapped) {
register int n;
swaps(&xgi.sequenceNumber, n);
swapl(&xgi.length, n);
swapl(&xgi.visual, n);
swapl(&xgi.size, n);
}
WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi);
return(client->noClientException);
}
static int
ProcPanoramiXShmCreatePixmap(
register ClientPtr client)
{
ScreenPtr pScreen = NULL;
PixmapPtr pMap = NULL;
DrawablePtr pDraw;
DepthPtr pDepth;
int i, j, result;
ShmDescPtr shmdesc;
REQUEST(xShmCreatePixmapReq);
unsigned int width, height, depth;
unsigned long size;
PanoramiXRes *newPix;
REQUEST_SIZE_MATCH(xShmCreatePixmapReq);
client->errorValue = stuff->pid;
if (!sharedPixmaps)
return BadImplementation;
LEGAL_NEW_RESOURCE(stuff->pid, client);
VERIFY_GEOMETRABLE(pDraw, stuff->drawable, client);
VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client);
width = stuff->width;
height = stuff->height;
depth = stuff->depth;
if (!width || !height || !depth)
{
client->errorValue = 0;
return BadValue;
}
if (width > 32767 || height > 32767)
return BadAlloc;
if (stuff->depth != 1)
{
pDepth = pDraw->pScreen->allowedDepths;
for (i=0; i<pDraw->pScreen->numDepths; i++, pDepth++)
if (pDepth->depth == stuff->depth)
goto CreatePmap;
client->errorValue = stuff->depth;
return BadValue;
}
CreatePmap:
size = PixmapBytePad(width, depth) * height;
if (sizeof(size) == 4 && BitsPerPixel(depth) > 8) {
if (size < width * height)
return BadAlloc;
/* thankfully, offset is unsigned */
if (stuff->offset + size < size)
return BadAlloc;
}
VERIFY_SHMSIZE(shmdesc, stuff->offset, size, client);
if(!(newPix = (PanoramiXRes *) xalloc(sizeof(PanoramiXRes))))
return BadAlloc;
newPix->type = XRT_PIXMAP;
newPix->u.pix.shared = TRUE;
newPix->info[0].id = stuff->pid;
for(j = 1; j < PanoramiXNumScreens; j++)
newPix->info[j].id = FakeClientID(client->index);
result = (client->noClientException);
FOR_NSCREENS(j) {
pScreen = screenInfo.screens[j];
pMap = (*shmFuncs[j]->CreatePixmap)(pScreen,
stuff->width, stuff->height, stuff->depth,
shmdesc->addr + stuff->offset);
if (pMap) {
#ifdef PIXPRIV
pMap->devPrivates[shmPixmapPrivate].ptr = (void *) shmdesc;
#endif
shmdesc->refcnt++;
pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
pMap->drawable.id = newPix->info[j].id;
if (!AddResource(newPix->info[j].id, RT_PIXMAP, (void *)pMap)) {
(*pScreen->DestroyPixmap)(pMap);
result = BadAlloc;
break;
}
} else {
result = BadAlloc;
break;
}
}
if(result == BadAlloc) {
while(j--) {
(*pScreen->DestroyPixmap)(pMap);
FreeResource(newPix->info[j].id, RT_NONE);
}
xfree(newPix);
} else
AddResource(stuff->pid, XRT_PIXMAP, newPix);
return result;
}
#endif
static int static int
ProcShmPutImage(client) ProcShmPutImage(client)
register ClientPtr client; register ClientPtr client;
...@@ -1036,117 +369,6 @@ ProcShmPutImage(client) ...@@ -1036,117 +369,6 @@ ProcShmPutImage(client)
} }
static int
ProcShmGetImage(client)
register ClientPtr client;
{
register DrawablePtr pDraw;
long lenPer = 0, length;
Mask plane = 0;
xShmGetImageReply xgi;
ShmDescPtr shmdesc;
int n;
REQUEST(xShmGetImageReq);
REQUEST_SIZE_MATCH(xShmGetImageReq);
if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap))
{
client->errorValue = stuff->format;
return(BadValue);
}
VERIFY_DRAWABLE(pDraw, stuff->drawable, client);
VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client);
if (pDraw->type == DRAWABLE_WINDOW)
{
if( /* check for being viewable */
!((WindowPtr) pDraw)->realized ||
/* check for being on screen */
pDraw->x + stuff->x < 0 ||
pDraw->x + stuff->x + (int)stuff->width > pDraw->pScreen->width ||
pDraw->y + stuff->y < 0 ||
pDraw->y + stuff->y + (int)stuff->height > pDraw->pScreen->height ||
/* check for being inside of border */
stuff->x < - wBorderWidth((WindowPtr)pDraw) ||
stuff->x + (int)stuff->width >
wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width ||
stuff->y < -wBorderWidth((WindowPtr)pDraw) ||
stuff->y + (int)stuff->height >
wBorderWidth((WindowPtr)pDraw) + (int)pDraw->height
)
return(BadMatch);
xgi.visual = wVisual(((WindowPtr)pDraw));
}
else
{
if (stuff->x < 0 ||
stuff->x+(int)stuff->width > pDraw->width ||
stuff->y < 0 ||
stuff->y+(int)stuff->height > pDraw->height
)
return(BadMatch);
xgi.visual = None;
}
xgi.type = X_Reply;
xgi.length = 0;
xgi.sequenceNumber = client->sequence;
xgi.depth = pDraw->depth;
if(stuff->format == ZPixmap)
{
length = PixmapBytePad(stuff->width, pDraw->depth) * stuff->height;
}
else
{
lenPer = PixmapBytePad(stuff->width, 1) * stuff->height;
plane = ((Mask)1) << (pDraw->depth - 1);
/* only planes asked for */
length = lenPer * Ones(stuff->planeMask & (plane | (plane - 1)));
}
VERIFY_SHMSIZE(shmdesc, stuff->offset, length, client);
xgi.size = length;
if (length == 0)
{
/* nothing to do */
}
else if (stuff->format == ZPixmap)
{
(*pDraw->pScreen->GetImage)(pDraw, stuff->x, stuff->y,
stuff->width, stuff->height,
stuff->format, stuff->planeMask,
shmdesc->addr + stuff->offset);
}
else
{
length = stuff->offset;
for (; plane; plane >>= 1)
{
if (stuff->planeMask & plane)
{
(*pDraw->pScreen->GetImage)(pDraw,
stuff->x, stuff->y,
stuff->width, stuff->height,
stuff->format, plane,
shmdesc->addr + length);
length += lenPer;
}
}
}
if (client->swapped) {
swaps(&xgi.sequenceNumber, n);
swapl(&xgi.length, n);
swapl(&xgi.visual, n);
swapl(&xgi.size, n);
}
WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi);
return(client->noClientException);
}
static PixmapPtr static PixmapPtr
fbShmCreatePixmap (pScreen, width, height, depth, addr) fbShmCreatePixmap (pScreen, width, height, depth, addr)
ScreenPtr pScreen; ScreenPtr pScreen;
...@@ -1191,78 +413,6 @@ fbShmCreatePixmap (pScreen, width, height, depth, addr) ...@@ -1191,78 +413,6 @@ fbShmCreatePixmap (pScreen, width, height, depth, addr)
return pPixmap; return pPixmap;
} }
static int
ProcShmCreatePixmap(client)
register ClientPtr client;
{
PixmapPtr pMap;
register DrawablePtr pDraw;
DepthPtr pDepth;
register int i;
ShmDescPtr shmdesc;
REQUEST(xShmCreatePixmapReq);
unsigned int width, height, depth;
unsigned long size;
REQUEST_SIZE_MATCH(xShmCreatePixmapReq);
client->errorValue = stuff->pid;
if (!sharedPixmaps)
return BadImplementation;
LEGAL_NEW_RESOURCE(stuff->pid, client);
VERIFY_GEOMETRABLE(pDraw, stuff->drawable, client);
VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client);
width = stuff->width;
height = stuff->height;
depth = stuff->depth;
if (!width || !height || !depth)
{
client->errorValue = 0;
return BadValue;
}
if (width > 32767 || height > 32767)
return BadAlloc;
if (stuff->depth != 1)
{
pDepth = pDraw->pScreen->allowedDepths;
for (i=0; i<pDraw->pScreen->numDepths; i++, pDepth++)
if (pDepth->depth == stuff->depth)
goto CreatePmap;
client->errorValue = stuff->depth;
return BadValue;
}
CreatePmap:
size = PixmapBytePad(width, depth) * height;
if (sizeof(size) == 4 && BitsPerPixel(depth) > 8) {
if (size < width * height)
return BadAlloc;
/* thankfully, offset is unsigned */
if (stuff->offset + size < size)
return BadAlloc;
}
VERIFY_SHMSIZE(shmdesc, stuff->offset, size, client);
pMap = (*shmFuncs[pDraw->pScreen->myNum]->CreatePixmap)(
pDraw->pScreen, stuff->width,
stuff->height, stuff->depth,
shmdesc->addr + stuff->offset);
if (pMap)
{
#ifdef PIXPRIV
pMap->devPrivates[shmPixmapPrivate].ptr = (void *) shmdesc;
#endif
shmdesc->refcnt++;
pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
pMap->drawable.id = stuff->pid;
if (AddResource(stuff->pid, RT_PIXMAP, (void *)pMap))
{
return(client->noClientException);
}
}
return (BadAlloc);
}
static int static int
ProcShmDispatch (client) ProcShmDispatch (client)
...@@ -1339,114 +489,6 @@ ProcShmDispatch (client) ...@@ -1339,114 +489,6 @@ ProcShmDispatch (client)
} }
} }
static void
SShmCompletionEvent(from, to)
xShmCompletionEvent *from, *to;
{
to->type = from->type;
cpswaps(from->sequenceNumber, to->sequenceNumber);
cpswapl(from->drawable, to->drawable);
cpswaps(from->minorEvent, to->minorEvent);
to->majorEvent = from->majorEvent;
cpswapl(from->shmseg, to->shmseg);
cpswapl(from->offset, to->offset);
}
static int
SProcShmQueryVersion(client)
register ClientPtr client;
{
register int n;
REQUEST(xShmQueryVersionReq);
swaps(&stuff->length, n);
return ProcShmQueryVersion(client);
}
static int
SProcShmAttach(client)
ClientPtr client;
{
register int n;
REQUEST(xShmAttachReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xShmAttachReq);
swapl(&stuff->shmseg, n);
swapl(&stuff->shmid, n);
return ProcShmAttach(client);
}
static int
SProcShmDetach(client)
ClientPtr client;
{
register int n;
REQUEST(xShmDetachReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xShmDetachReq);
swapl(&stuff->shmseg, n);
return ProcShmDetach(client);
}
static int
SProcShmPutImage(client)
ClientPtr client;
{
register int n;
REQUEST(xShmPutImageReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xShmPutImageReq);
swapl(&stuff->drawable, n);
swapl(&stuff->gc, n);
swaps(&stuff->totalWidth, n);
swaps(&stuff->totalHeight, n);
swaps(&stuff->srcX, n);
swaps(&stuff->srcY, n);
swaps(&stuff->srcWidth, n);
swaps(&stuff->srcHeight, n);
swaps(&stuff->dstX, n);
swaps(&stuff->dstY, n);
swapl(&stuff->shmseg, n);
swapl(&stuff->offset, n);
return ProcShmPutImage(client);
}
static int
SProcShmGetImage(client)
ClientPtr client;
{
register int n;
REQUEST(xShmGetImageReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xShmGetImageReq);
swapl(&stuff->drawable, n);
swaps(&stuff->x, n);
swaps(&stuff->y, n);
swaps(&stuff->width, n);
swaps(&stuff->height, n);
swapl(&stuff->planeMask, n);
swapl(&stuff->shmseg, n);
swapl(&stuff->offset, n);
return ProcShmGetImage(client);
}
static int
SProcShmCreatePixmap(client)
ClientPtr client;
{
register int n;
REQUEST(xShmCreatePixmapReq);
swaps(&stuff->length, n);
REQUEST_SIZE_MATCH(xShmCreatePixmapReq);
swapl(&stuff->pid, n);
swapl(&stuff->drawable, n);
swaps(&stuff->width, n);
swaps(&stuff->height, n);
swapl(&stuff->shmseg, n);
swapl(&stuff->offset, n);
return ProcShmCreatePixmap(client);
}
static int static int
SProcShmDispatch (client) SProcShmDispatch (client)
register ClientPtr client; register ClientPtr client;
...@@ -1496,4 +538,3 @@ SProcShmDispatch (client) ...@@ -1496,4 +538,3 @@ SProcShmDispatch (client)
return BadRequest; return BadRequest;
} }
} }
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