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Commit 0c29f81f authored by Mike Gabriel's avatar Mike Gabriel
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hw/nxagent/NXpicture.c: Shrink file, drop duplicate code that can identically be…

hw/nxagent/NXpicture.c: Shrink file, drop duplicate code that can identically be found in render/picture.c.
parent 809fed64
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Showing with 155 additions and 1793 deletions
nx-X11/programs/Xserver/hw/nxagent/NXpicture.c
View file @ 0c29f81f
......@@ -40,23 +40,6 @@
* Author: Keith Packard, SuSE, Inc.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "misc.h"
#include "scrnintstr.h"
#include "os.h"
#include "regionstr.h"
#include "validate.h"
#include "windowstr.h"
#include "input.h"
#include "resource.h"
#include "colormapst.h"
#include "cursorstr.h"
#include "dixstruct.h"
#include "gcstruct.h"
#include "servermd.h"
#include "NXpicturestr.h"
#include "Screen.h"
......@@ -64,6 +47,23 @@
#include "Drawable.h"
#include "Render.h"
/* prototypes */
PictFormatPtr PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp);
PicturePtr AllocatePicture (ScreenPtr pScreen);
PicturePtr CreatePicture (Picture pid,
DrawablePtr pDrawable,
PictFormatPtr pFormat,
Mask vmask,
XID *vlist,
ClientPtr client,
int *error);
static PicturePtr createSourcePicture(void);
int FreePicture (void *value, XID pid);
#include "../../render/picture.c"
#define PANIC
#define WARNING
#undef TEST
......@@ -73,183 +73,8 @@ void *nxagentVisualFromID(ScreenPtr pScreen, VisualID visual);
void *nxagentMatchingFormats(PictFormatPtr pForm);
int PictureScreenPrivateIndex = -1;
int PictureWindowPrivateIndex;
int PictureGeneration;
RESTYPE PictureType;
RESTYPE PictFormatType;
RESTYPE GlyphSetType;
int PictureCmapPolicy = PictureCmapPolicyDefault;
typedef struct _formatInit {
CARD32 format;
CARD8 depth;
} FormatInitRec, *FormatInitPtr;
void nxagentPictureCreateDefaultFormats(ScreenPtr pScreen, FormatInitRec *formats, int *nformats);
/* Picture Private machinery */
static int picturePrivateCount;
void
ResetPicturePrivateIndex (void)
{
picturePrivateCount = 0;
}
int
AllocatePicturePrivateIndex (void)
{
return picturePrivateCount++;
}
Bool
AllocatePicturePrivate (ScreenPtr pScreen, int index2, unsigned int amount)
{
PictureScreenPtr ps = GetPictureScreen(pScreen);
unsigned int oldamount;
/* Round up sizes for proper alignment */
amount = ((amount + (sizeof(long) - 1)) / sizeof(long)) * sizeof(long);
if (index2 >= ps->PicturePrivateLen)
{
unsigned int *nsizes;
nsizes = (unsigned int *)xrealloc(ps->PicturePrivateSizes,
(index2 + 1) * sizeof(unsigned int));
if (!nsizes)
return FALSE;
while (ps->PicturePrivateLen <= index2)
{
nsizes[ps->PicturePrivateLen++] = 0;
ps->totalPictureSize += sizeof(DevUnion);
}
ps->PicturePrivateSizes = nsizes;
}
oldamount = ps->PicturePrivateSizes[index2];
if (amount > oldamount)
{
ps->PicturePrivateSizes[index2] = amount;
ps->totalPictureSize += (amount - oldamount);
}
return TRUE;
}
Bool
PictureDestroyWindow (WindowPtr pWindow)
{
ScreenPtr pScreen = pWindow->drawable.pScreen;
PicturePtr pPicture;
PictureScreenPtr ps = GetPictureScreen(pScreen);
Bool ret;
while ((pPicture = GetPictureWindow(pWindow)))
{
SetPictureWindow(pWindow, pPicture->pNext);
if (pPicture->id)
FreeResource (pPicture->id, PictureType);
FreePicture ((void *) pPicture, pPicture->id);
}
pScreen->DestroyWindow = ps->DestroyWindow;
ret = (*pScreen->DestroyWindow) (pWindow);
ps->DestroyWindow = pScreen->DestroyWindow;
pScreen->DestroyWindow = PictureDestroyWindow;
return ret;
}
Bool
PictureCloseScreen (int index, ScreenPtr pScreen)
{
PictureScreenPtr ps = GetPictureScreen(pScreen);
Bool ret;
int n;
pScreen->CloseScreen = ps->CloseScreen;
ret = (*pScreen->CloseScreen) (index, pScreen);
PictureResetFilters (pScreen);
for (n = 0; n < ps->nformats; n++)
if (ps->formats[n].type == PictTypeIndexed)
(*ps->CloseIndexed) (pScreen, &ps->formats[n]);
SetPictureScreen(pScreen, 0);
if (ps->PicturePrivateSizes)
xfree (ps->PicturePrivateSizes);
xfree (ps->formats);
xfree (ps);
return ret;
}
void
PictureStoreColors (ColormapPtr pColormap, int ndef, xColorItem *pdef)
{
ScreenPtr pScreen = pColormap->pScreen;
PictureScreenPtr ps = GetPictureScreen(pScreen);
pScreen->StoreColors = ps->StoreColors;
(*pScreen->StoreColors) (pColormap, ndef, pdef);
ps->StoreColors = pScreen->StoreColors;
pScreen->StoreColors = PictureStoreColors;
if (pColormap->class == PseudoColor || pColormap->class == GrayScale)
{
PictFormatPtr format = ps->formats;
int nformats = ps->nformats;
while (nformats--)
{
if (format->type == PictTypeIndexed &&
format->index.pColormap == pColormap)
{
(*ps->UpdateIndexed) (pScreen, format, ndef, pdef);
break;
}
format++;
}
}
}
static int
visualDepth (ScreenPtr pScreen, VisualPtr pVisual)
{
int d, v;
DepthPtr pDepth;
for (d = 0; d < pScreen->numDepths; d++)
{
pDepth = &pScreen->allowedDepths[d];
for (v = 0; v < pDepth->numVids; v++)
if (pDepth->vids[v] == pVisual->vid)
return pDepth->depth;
}
return 0;
}
static int
addFormat (FormatInitRec formats[256],
int nformat,
CARD32 format,
CARD8 depth)
{
int n;
for (n = 0; n < nformat; n++)
if (formats[n].format == format && formats[n].depth == depth)
return nformat;
formats[nformat].format = format;
formats[nformat].depth = depth;
#ifdef DEBUG
fprintf(stderr, "addFormat: Added format [%lu] depth [%d].\n", format, depth);
#endif
return ++nformat;
}
#define Mask(n) ((n) == 32 ? 0xffffffff : ((1 << (n))-1))
PictFormatPtr
PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
{
......@@ -258,164 +83,10 @@ PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
FormatInitRec formats[1024];
CARD32 format;
#ifndef NXAGENT_SERVER
CARD8 depth;
VisualPtr pVisual;
int v;
int bpp;
int type;
int r, g, b;
int d;
DepthPtr pDepth;
#endif
nformats = 0;
#ifdef NXAGENT_SERVER
nxagentPictureCreateDefaultFormats(pScreen, formats, &nformats);
#else
/* formats required by protocol */
formats[nformats].format = PICT_a1;
formats[nformats].depth = 1;
nformats++;
formats[nformats].format = PICT_a8;
formats[nformats].depth = 8;
nformats++;
formats[nformats].format = PICT_a4;
formats[nformats].depth = 4;
nformats++;
formats[nformats].format = PICT_a8r8g8b8;
formats[nformats].depth = 32;
nformats++;
formats[nformats].format = PICT_x8r8g8b8;
formats[nformats].depth = 32;
nformats++;
/* now look through the depths and visuals adding other formats */
for (v = 0; v < pScreen->numVisuals; v++)
{
pVisual = &pScreen->visuals[v];
depth = visualDepth (pScreen, pVisual);
if (!depth)
continue;
bpp = BitsPerPixel (depth);
switch (pVisual->class) {
case DirectColor:
case TrueColor:
r = Ones (pVisual->redMask);
g = Ones (pVisual->greenMask);
b = Ones (pVisual->blueMask);
type = PICT_TYPE_OTHER;
/*
* Current rendering code supports only two direct formats,
* fields must be packed together at the bottom of the pixel
* and must be either RGB or BGR
*/
if (pVisual->offsetBlue == 0 &&
pVisual->offsetGreen == b &&
pVisual->offsetRed == b + g)
{
type = PICT_TYPE_ARGB;
}
else if (pVisual->offsetRed == 0 &&
pVisual->offsetGreen == r &&
pVisual->offsetBlue == r + g)
{
type = PICT_TYPE_ABGR;
}
if (type != PICT_TYPE_OTHER)
{
format = PICT_FORMAT(bpp, type, 0, r, g, b);
nformats = addFormat (formats, nformats, format, depth);
}
break;
case StaticColor:
case PseudoColor:
format = PICT_VISFORMAT (bpp, PICT_TYPE_COLOR, v);
nformats = addFormat (formats, nformats, format, depth);
break;
case StaticGray:
case GrayScale:
format = PICT_VISFORMAT (bpp, PICT_TYPE_GRAY, v);
nformats = addFormat (formats, nformats, format, depth);
break;
}
}
/*
* Walk supported depths and add useful Direct formats
*/
for (d = 0; d < pScreen->numDepths; d++)
{
pDepth = &pScreen->allowedDepths[d];
bpp = BitsPerPixel (pDepth->depth);
format = 0;
switch (bpp) {
case 16:
/* depth 12 formats */
if (pDepth->depth >= 12)
{
nformats = addFormat (formats, nformats,
PICT_x4r4g4b4, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_x4b4g4r4, pDepth->depth);
}
/* depth 15 formats */
if (pDepth->depth >= 15)
{
nformats = addFormat (formats, nformats,
PICT_x1r5g5b5, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_x1b5g5r5, pDepth->depth);
}
/* depth 16 formats */
if (pDepth->depth >= 16)
{
nformats = addFormat (formats, nformats,
PICT_a1r5g5b5, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_a1b5g5r5, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_r5g6b5, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_b5g6r5, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_a4r4g4b4, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_a4b4g4r4, pDepth->depth);
}
break;
case 24:
if (pDepth->depth >= 24)
{
nformats = addFormat (formats, nformats,
PICT_r8g8b8, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_b8g8r8, pDepth->depth);
}
break;
case 32:
if (pDepth->depth >= 24)
{
nformats = addFormat (formats, nformats,
PICT_x8r8g8b8, pDepth->depth);
nformats = addFormat (formats, nformats,
PICT_x8b8g8r8, pDepth->depth);
}
break;
}
}
#endif
pFormats = (PictFormatPtr) xalloc (nformats * sizeof (PictFormatRec));
if (!pFormats)
return 0;
......@@ -483,7 +154,6 @@ PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
break;
}
#ifdef NXAGENT_SERVER
if (nxagentMatchingFormats(&pFormats[f]) != NULL)
{
#ifdef DEBUG
......@@ -504,1239 +174,180 @@ PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
pFormats[f].direct.blueMask, pFormats[f].direct.alpha, pFormats[f].direct.alphaMask);
#endif
}
#endif
}
*nformatp = nformats;
return pFormats;
}
static VisualPtr
PictureFindVisual (ScreenPtr pScreen, VisualID visual)
PicturePtr
AllocatePicture (ScreenPtr pScreen)
{
PictureScreenPtr ps = GetPictureScreen(pScreen);
PicturePtr pPicture;
char *ptr;
DevUnion *ppriv;
unsigned int *sizes;
unsigned int size;
int i;
VisualPtr pVisual;
for (i = 0, pVisual = pScreen->visuals;
i < pScreen->numVisuals;
i++, pVisual++)
{
if (pVisual->vid == visual)
return pVisual;
}
return 0;
}
Bool
PictureInitIndexedFormats (ScreenPtr pScreen)
{
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
PictFormatPtr format;
int nformat;
if (!ps)
return FALSE;
format = ps->formats;
nformat = ps->nformats;
while (nformat--)
{
if (format->type == PictTypeIndexed && !format->index.pColormap)
{
if (format->index.vid == pScreen->rootVisual)
format->index.pColormap = (ColormapPtr) LookupIDByType(pScreen->defColormap,
RT_COLORMAP);
else
pPicture = (PicturePtr) xalloc (ps->totalPictureSize);
if (!pPicture)
return 0;
ppriv = (DevUnion *)(pPicture + 1);
pPicture->devPrivates = ppriv;
sizes = ps->PicturePrivateSizes;
ptr = (char *)(ppriv + ps->PicturePrivateLen);
for (i = ps->PicturePrivateLen; --i >= 0; ppriv++, sizes++)
{
VisualPtr pVisual;
pVisual = PictureFindVisual (pScreen, format->index.vid);
if (CreateColormap (FakeClientID (0), pScreen,
pVisual,
&format->index.pColormap, AllocNone,
0) != Success)
if ( (size = *sizes) )
{
return FALSE;
}
}
if (!(*ps->InitIndexed) (pScreen, format))
return FALSE;
ppriv->ptr = (void *)ptr;
ptr += size;
}
format++;
else
ppriv->ptr = (void *)NULL;
}
return TRUE;
nxagentPicturePriv(pPicture) -> picture = 0;
return pPicture;
}
Bool
PictureFinishInit (void)
PicturePtr
CreatePicture (Picture pid,
DrawablePtr pDrawable,
PictFormatPtr pFormat,
Mask vmask,
XID *vlist,
ClientPtr client,
int *error)
{
int s;
PicturePtr pPicture;
PictureScreenPtr ps = GetPictureScreen(pDrawable->pScreen);
for (s = 0; s < screenInfo.numScreens; s++)
pPicture = AllocatePicture (pDrawable->pScreen);
if (!pPicture)
{
if (!PictureInitIndexedFormats (screenInfo.screens[s]))
return FALSE;
(void) AnimCurInit (screenInfo.screens[s]);
*error = BadAlloc;
return 0;
}
return TRUE;
}
pPicture->id = pid;
pPicture->pDrawable = pDrawable;
pPicture->pFormat = pFormat;
pPicture->format = pFormat->format | (pDrawable->bitsPerPixel << 24);
if (pDrawable->type == DRAWABLE_PIXMAP)
{
/*
* Let picture always point to the virtual pixmap.
* For sure this is not the best way to deal with
* the virtual frame-buffer.
*/
pPicture->pDrawable = nxagentVirtualDrawable(pDrawable);
Bool
PictureSetSubpixelOrder (ScreenPtr pScreen, int subpixel)
{
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
++((PixmapPtr)pDrawable)->refcnt;
pPicture->pNext = 0;
}
else
{
pPicture->pNext = GetPictureWindow(((WindowPtr) pDrawable));
SetPictureWindow(((WindowPtr) pDrawable), pPicture);
}
if (!ps)
return FALSE;
ps->subpixel = subpixel;
return TRUE;
SetPictureToDefaults (pPicture);
if (vmask)
*error = ChangePicture (pPicture, vmask, vlist, 0, client);
else
*error = Success;
if (*error == Success)
*error = (*ps->CreatePicture) (pPicture);
if (*error != Success)
{
FreePicture (pPicture, (XID) 0);
pPicture = 0;
}
return pPicture;
}
int
PictureGetSubpixelOrder (ScreenPtr pScreen)
PicturePtr
CreateSolidPicture (Picture pid, xRenderColor *color, int *error)
{
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
if (!ps)
return SubPixelUnknown;
return ps->subpixel;
}
PictFormatPtr
PictureMatchVisual (ScreenPtr pScreen, int depth, VisualPtr pVisual)
{
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
PictFormatPtr format;
int nformat;
int type;
if (!ps)
return 0;
format = ps->formats;
nformat = ps->nformats;
switch (pVisual->class) {
case StaticGray:
case GrayScale:
case StaticColor:
case PseudoColor:
type = PictTypeIndexed;
break;
case TrueColor:
case DirectColor:
type = PictTypeDirect;
break;
default:
return 0;
}
while (nformat--)
{
if (format->depth == depth && format->type == type)
{
if (type == PictTypeIndexed)
{
if (format->index.vid == pVisual->vid)
return format;
}
else
{
if (format->direct.redMask << format->direct.red ==
pVisual->redMask &&
format->direct.greenMask << format->direct.green ==
pVisual->greenMask &&
format->direct.blueMask << format->direct.blue ==
pVisual->blueMask)
{
return format;
}
}
}
format++;
}
return 0;
}
PictFormatPtr
PictureMatchFormat (ScreenPtr pScreen, int depth, CARD32 f)
{
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
PictFormatPtr format;
int nformat;
if (!ps)
return 0;
format = ps->formats;
nformat = ps->nformats;
while (nformat--)
{
if (format->depth == depth && format->format == (f & 0xffffff))
return format;
format++;
}
return 0;
}
int
PictureParseCmapPolicy (const char *name)
{
if ( strcmp (name, "default" ) == 0)
return PictureCmapPolicyDefault;
else if ( strcmp (name, "mono" ) == 0)
return PictureCmapPolicyMono;
else if ( strcmp (name, "gray" ) == 0)
return PictureCmapPolicyGray;
else if ( strcmp (name, "color" ) == 0)
return PictureCmapPolicyColor;
else if ( strcmp (name, "all" ) == 0)
return PictureCmapPolicyAll;
else
return PictureCmapPolicyInvalid;
}
Bool
PictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats)
{
PictureScreenPtr ps;
int n;
CARD32 type, a, r, g, b;
if (PictureGeneration != serverGeneration)
{
PictureType = CreateNewResourceType (FreePicture);
if (!PictureType)
return FALSE;
PictFormatType = CreateNewResourceType (FreePictFormat);
if (!PictFormatType)
return FALSE;
GlyphSetType = CreateNewResourceType (FreeGlyphSet);
if (!GlyphSetType)
return FALSE;
PictureScreenPrivateIndex = AllocateScreenPrivateIndex();
if (PictureScreenPrivateIndex < 0)
return FALSE;
PictureWindowPrivateIndex = AllocateWindowPrivateIndex();
PictureGeneration = serverGeneration;
#ifdef XResExtension
RegisterResourceName (PictureType, "PICTURE");
RegisterResourceName (PictFormatType, "PICTFORMAT");
RegisterResourceName (GlyphSetType, "GLYPHSET");
#endif
}
if (!AllocateWindowPrivate (pScreen, PictureWindowPrivateIndex, 0))
return FALSE;
if (!formats)
{
formats = PictureCreateDefaultFormats (pScreen, &nformats);
if (!formats)
return FALSE;
}
for (n = 0; n < nformats; n++)
{
if (!AddResource (formats[n].id, PictFormatType, (void *) (formats+n)))
{
xfree (formats);
return FALSE;
}
if (formats[n].type == PictTypeIndexed)
{
VisualPtr pVisual = PictureFindVisual (pScreen, formats[n].index.vid);
if ((pVisual->class | DynamicClass) == PseudoColor)
type = PICT_TYPE_COLOR;
else
type = PICT_TYPE_GRAY;
a = r = g = b = 0;
}
else
{
if ((formats[n].direct.redMask|
formats[n].direct.blueMask|
formats[n].direct.greenMask) == 0)
type = PICT_TYPE_A;
else if (formats[n].direct.red > formats[n].direct.blue)
type = PICT_TYPE_ARGB;
else
type = PICT_TYPE_ABGR;
a = Ones (formats[n].direct.alphaMask);
r = Ones (formats[n].direct.redMask);
g = Ones (formats[n].direct.greenMask);
b = Ones (formats[n].direct.blueMask);
}
formats[n].format = PICT_FORMAT(0,type,a,r,g,b);
}
ps = (PictureScreenPtr) xalloc (sizeof (PictureScreenRec));
if (!ps)
{
xfree (formats);
return FALSE;
}
SetPictureScreen(pScreen, ps);
if (!GlyphInit (pScreen))
{
SetPictureScreen(pScreen, 0);
xfree (formats);
xfree (ps);
return FALSE;
}
ps->totalPictureSize = sizeof (PictureRec);
ps->PicturePrivateSizes = 0;
ps->PicturePrivateLen = 0;
ps->formats = formats;
ps->fallback = formats;
ps->nformats = nformats;
ps->filters = 0;
ps->nfilters = 0;
ps->filterAliases = 0;
ps->nfilterAliases = 0;
ps->subpixel = SubPixelUnknown;
ps->CloseScreen = pScreen->CloseScreen;
ps->DestroyWindow = pScreen->DestroyWindow;
ps->StoreColors = pScreen->StoreColors;
pScreen->DestroyWindow = PictureDestroyWindow;
pScreen->CloseScreen = PictureCloseScreen;
pScreen->StoreColors = PictureStoreColors;
if (!PictureSetDefaultFilters (pScreen))
{
PictureResetFilters (pScreen);
SetPictureScreen(pScreen, 0);
xfree (formats);
xfree (ps);
return FALSE;
}
return TRUE;
}
void
SetPictureToDefaults (PicturePtr pPicture)
{
pPicture->refcnt = 1;
pPicture->repeat = 0;
pPicture->graphicsExposures = FALSE;
pPicture->subWindowMode = ClipByChildren;
pPicture->polyEdge = PolyEdgeSharp;
pPicture->polyMode = PolyModePrecise;
pPicture->freeCompClip = FALSE;
pPicture->clientClipType = CT_NONE;
pPicture->componentAlpha = FALSE;
pPicture->repeatType = RepeatNone;
pPicture->alphaMap = 0;
pPicture->alphaOrigin.x = 0;
pPicture->alphaOrigin.y = 0;
pPicture->clipOrigin.x = 0;
pPicture->clipOrigin.y = 0;
pPicture->clientClip = 0;
pPicture->transform = 0;
pPicture->dither = None;
pPicture->filter = PictureGetFilterId (FilterNearest, -1, TRUE);
pPicture->filter_params = 0;
pPicture->filter_nparams = 0;
pPicture->serialNumber = GC_CHANGE_SERIAL_BIT;
pPicture->stateChanges = (1 << (CPLastBit+1)) - 1;
pPicture->pSourcePict = 0;
}
PicturePtr
AllocatePicture (ScreenPtr pScreen)
{
PictureScreenPtr ps = GetPictureScreen(pScreen);
PicturePtr pPicture;
char *ptr;
DevUnion *ppriv;
unsigned int *sizes;
unsigned int size;
int i;
pPicture = (PicturePtr) xalloc (ps->totalPictureSize);
if (!pPicture)
return 0;
ppriv = (DevUnion *)(pPicture + 1);
pPicture->devPrivates = ppriv;
sizes = ps->PicturePrivateSizes;
ptr = (char *)(ppriv + ps->PicturePrivateLen);
for (i = ps->PicturePrivateLen; --i >= 0; ppriv++, sizes++)
{
if ( (size = *sizes) )
{
ppriv->ptr = (void *)ptr;
ptr += size;
}
else
ppriv->ptr = (void *)NULL;
}
nxagentPicturePriv(pPicture) -> picture = 0;
return pPicture;
}
/*
* Let picture always point to the virtual pixmap.
* For sure this is not the best way to deal with
* the virtual frame-buffer.
*/
#define NXAGENT_PICTURE_ALWAYS_POINTS_TO_VIRTUAL
PicturePtr
CreatePicture (Picture pid,
DrawablePtr pDrawable,
PictFormatPtr pFormat,
Mask vmask,
XID *vlist,
ClientPtr client,
int *error)
{
PicturePtr pPicture;
PictureScreenPtr ps = GetPictureScreen(pDrawable->pScreen);
pPicture = AllocatePicture (pDrawable->pScreen);
if (!pPicture)
{
*error = BadAlloc;
return 0;
}
pPicture->id = pid;
pPicture->pDrawable = pDrawable;
pPicture->pFormat = pFormat;
pPicture->format = pFormat->format | (pDrawable->bitsPerPixel << 24);
if (pDrawable->type == DRAWABLE_PIXMAP)
{
#ifdef NXAGENT_PICTURE_ALWAYS_POINTS_TO_VIRTUAL
pPicture->pDrawable = nxagentVirtualDrawable(pDrawable);
#endif
++((PixmapPtr)pDrawable)->refcnt;
pPicture->pNext = 0;
}
else
{
pPicture->pNext = GetPictureWindow(((WindowPtr) pDrawable));
SetPictureWindow(((WindowPtr) pDrawable), pPicture);
}
SetPictureToDefaults (pPicture);
if (vmask)
*error = ChangePicture (pPicture, vmask, vlist, 0, client);
else
*error = Success;
if (*error == Success)
*error = (*ps->CreatePicture) (pPicture);
if (*error != Success)
{
FreePicture (pPicture, (XID) 0);
pPicture = 0;
}
return pPicture;
}
static CARD32 xRenderColorToCard32(xRenderColor c)
{
return
(c.alpha >> 8 << 24) |
(c.red >> 8 << 16) |
(c.green & 0xff00) |
(c.blue >> 8);
}
static unsigned int premultiply(unsigned int x)
{
unsigned int a = x >> 24;
unsigned int t = (x & 0xff00ff) * a;
t = (t + ((t >> 8) & 0xff00ff) + 0x800080) >> 8;
t &= 0xff00ff;
x = ((x >> 8) & 0xff) * a;
x = (x + ((x >> 8) & 0xff) + 0x80);
x &= 0xff00;
x |= t | (a << 24);
return x;
}
static unsigned int INTERPOLATE_PIXEL_256(unsigned int x, unsigned int a,
unsigned int y, unsigned int b)
{
CARD32 t = (x & 0xff00ff) * a + (y & 0xff00ff) * b;
t >>= 8;
t &= 0xff00ff;
x = ((x >> 8) & 0xff00ff) * a + ((y >> 8) & 0xff00ff) * b;
x &= 0xff00ff00;
x |= t;
return x;
}
static void initGradientColorTable(SourcePictPtr pGradient, int *error)
{
int begin_pos, end_pos;
xFixed incr, dpos;
int pos, current_stop;
PictGradientStopPtr stops = pGradient->linear.stops;
int nstops = pGradient->linear.nstops;
/* The position where the gradient begins and ends */
begin_pos = (stops[0].x * PICT_GRADIENT_STOPTABLE_SIZE) >> 16;
end_pos = (stops[nstops - 1].x * PICT_GRADIENT_STOPTABLE_SIZE) >> 16;
pos = 0; /* The position in the color table. */
/* Up to first point */
while (pos <= begin_pos) {
pGradient->linear.colorTable[pos] = xRenderColorToCard32(stops[0].color);
++pos;
}
incr = (1<<16)/ PICT_GRADIENT_STOPTABLE_SIZE; /* the double increment. */
dpos = incr * pos; /* The position in terms of 0-1. */
current_stop = 0; /* We always interpolate between current and current + 1. */
/* Gradient area */
while (pos < end_pos) {
unsigned int current_color = xRenderColorToCard32(stops[current_stop].color);
unsigned int next_color = xRenderColorToCard32(stops[current_stop + 1].color);
int dist = (int)(256*(dpos - stops[current_stop].x)
/ (stops[current_stop+1].x - stops[current_stop].x));
int idist = 256 - dist;
pGradient->linear.colorTable[pos] = premultiply(INTERPOLATE_PIXEL_256(current_color, idist, next_color, dist));
++pos;
dpos += incr;
if (dpos > stops[current_stop + 1].x)
++current_stop;
}
/* After last point */
while (pos < PICT_GRADIENT_STOPTABLE_SIZE) {
pGradient->linear.colorTable[pos] = xRenderColorToCard32(stops[nstops - 1].color);
++pos;
}
}
static void initGradient(SourcePictPtr pGradient, int stopCount,
xFixed *stopPoints, xRenderColor *stopColors, int *error)
{
int i;
xFixed dpos;
if (stopCount <= 0) {
*error = BadValue;
return;
}
dpos = -1;
for (i = 0; i < stopCount; ++i) {
if (stopPoints[i] <= dpos || stopPoints[i] > (1<<16)) {
*error = BadValue;
return;
}
dpos = stopPoints[i];
}
pGradient->linear.stops = xalloc(stopCount*sizeof(PictGradientStop));
if (!pGradient->linear.stops) {
*error = BadAlloc;
return;
}
pGradient->linear.nstops = stopCount;
for (i = 0; i < stopCount; ++i) {
pGradient->linear.stops[i].x = stopPoints[i];
pGradient->linear.stops[i].color = stopColors[i];
}
initGradientColorTable(pGradient, error);
}
static PicturePtr createSourcePicture(void)
{
PicturePtr pPicture;
extern int nxagentPicturePrivateIndex;
unsigned int totalPictureSize;
DevUnion *ppriv;
char *privPictureRecAddr;
int i;
/*
* Compute size of entire PictureRect, plus privates.
*/
totalPictureSize = sizeof(PictureRec) +
picturePrivateCount * sizeof(DevUnion) +
sizeof(nxagentPrivPictureRec);
pPicture = (PicturePtr) xalloc(totalPictureSize);
if (pPicture != NULL)
{
ppriv = (DevUnion *) (pPicture + 1);
for (i = 0; i < picturePrivateCount; ++i)
{
/*
* Other privates are inaccessible.
*/
ppriv[i].ptr = NULL;
}
privPictureRecAddr = (char *) &ppriv[picturePrivateCount];
ppriv[nxagentPicturePrivateIndex].ptr = (void *) privPictureRecAddr;
pPicture -> devPrivates = ppriv;
nxagentPicturePriv(pPicture) -> picture = 0;
}
pPicture->pDrawable = 0;
pPicture->pFormat = 0;
pPicture->pNext = 0;
SetPictureToDefaults(pPicture);
return pPicture;
}
PicturePtr
CreateSolidPicture (Picture pid, xRenderColor *color, int *error)
{
PicturePtr pPicture;
pPicture = createSourcePicture();
if (!pPicture) {
*error = BadAlloc;
return 0;
}
pPicture->id = pid;
pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictSolidFill));
if (!pPicture->pSourcePict) {
*error = BadAlloc;
xfree(pPicture);
return 0;
}
pPicture->pSourcePict->type = SourcePictTypeSolidFill;
pPicture->pSourcePict->solidFill.color = xRenderColorToCard32(*color);
pPicture->pSourcePict->solidFill.fullColor.alpha=color->alpha;
pPicture->pSourcePict->solidFill.fullColor.red=color->red;
pPicture->pSourcePict->solidFill.fullColor.green=color->green;
pPicture->pSourcePict->solidFill.fullColor.blue=color->blue;
return pPicture;
}
PicturePtr
CreateLinearGradientPicture (Picture pid, xPointFixed *p1, xPointFixed *p2,
int nStops, xFixed *stops, xRenderColor *colors, int *error)
{
PicturePtr pPicture;
if (nStops < 2) {
*error = BadValue;
return 0;
}
pPicture = createSourcePicture();
if (!pPicture) {
*error = BadAlloc;
return 0;
}
if (p1->x == p2->x && p1->y == p2->y) {
*error = BadValue;
return 0;
}
pPicture->id = pid;
pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictLinearGradient));
if (!pPicture->pSourcePict) {
*error = BadAlloc;
xfree(pPicture);
return 0;
}
pPicture->pSourcePict->linear.type = SourcePictTypeLinear;
pPicture->pSourcePict->linear.p1 = *p1;
pPicture->pSourcePict->linear.p2 = *p2;
initGradient(pPicture->pSourcePict, nStops, stops, colors, error);
if (*error) {
xfree(pPicture);
return 0;
}
return pPicture;
}
#define FixedToDouble(x) ((x)/65536.)
PicturePtr
CreateRadialGradientPicture (Picture pid, xPointFixed *inner, xPointFixed *outer,
xFixed innerRadius, xFixed outerRadius,
int nStops, xFixed *stops, xRenderColor *colors, int *error)
{
PicturePtr pPicture;
PictRadialGradient *radial;
if (nStops < 2) {
*error = BadValue;
return 0;
}
pPicture = createSourcePicture();
if (!pPicture) {
*error = BadAlloc;
return 0;
}
{
double dx = (double)(inner->x - outer->x);
double dy = (double)(inner->y - outer->y);
if (sqrt(dx*dx + dy*dy) + (double)(innerRadius) > (double)(outerRadius)) {
*error = BadValue;
return 0;
}
}
pPicture->id = pid;
pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictRadialGradient));
if (!pPicture->pSourcePict) {
*error = BadAlloc;
xfree(pPicture);
return 0;
}
radial = &pPicture->pSourcePict->radial;
radial->type = SourcePictTypeRadial;
{
double x = (double)innerRadius / (double)outerRadius;
radial->dx = (outer->x - inner->x);
radial->dy = (outer->y - inner->y);
radial->fx = (inner->x) - x*radial->dx;
radial->fy = (inner->y) - x*radial->dy;
radial->m = 1./(1+x);
radial->b = -x*radial->m;
radial->dx /= 65536.;
radial->dy /= 65536.;
radial->fx /= 65536.;
radial->fy /= 65536.;
x = outerRadius/65536.;
radial->a = x*x - radial->dx*radial->dx - radial->dy*radial->dy;
}
initGradient(pPicture->pSourcePict, nStops, stops, colors, error);
if (*error) {
xfree(pPicture);
return 0;
}
return pPicture;
}
PicturePtr
CreateConicalGradientPicture (Picture pid, xPointFixed *center, xFixed angle,
int nStops, xFixed *stops, xRenderColor *colors, int *error)
{
PicturePtr pPicture;
if (nStops < 2) {
*error = BadValue;
return 0;
}
pPicture = createSourcePicture();
if (!pPicture) {
*error = BadAlloc;
return 0;
}
pPicture->id = pid;
pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictConicalGradient));
if (!pPicture->pSourcePict) {
*error = BadAlloc;
xfree(pPicture);
return 0;
}
pPicture->pSourcePict->conical.type = SourcePictTypeConical;
pPicture->pSourcePict->conical.center = *center;
pPicture->pSourcePict->conical.angle = angle;
initGradient(pPicture->pSourcePict, nStops, stops, colors, error);
if (*error) {
xfree(pPicture);
return 0;
}
return pPicture;
}
#define NEXT_VAL(_type) (vlist ? (_type) *vlist++ : (_type) ulist++->val)
#define NEXT_PTR(_type) ((_type) ulist++->ptr)
int
ChangePicture (PicturePtr pPicture,
Mask vmask,
XID *vlist,
DevUnion *ulist,
ClientPtr client)
{
ScreenPtr pScreen = pPicture->pDrawable ? pPicture->pDrawable->pScreen : 0;
PictureScreenPtr ps = pScreen ? GetPictureScreen(pScreen) : 0;
BITS32 index2;
int error = 0;
BITS32 maskQ;
pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT;
maskQ = vmask;
while (vmask && !error)
{
index2 = (BITS32) lowbit (vmask);
vmask &= ~index2;
pPicture->stateChanges |= index2;
switch (index2)
{
case CPRepeat:
{
unsigned int newr;
newr = NEXT_VAL(unsigned int);
if (newr <= RepeatReflect)
{
pPicture->repeat = (newr != RepeatNone);
pPicture->repeatType = newr;
}
else
{
client->errorValue = newr;
error = BadValue;
}
}
break;
case CPAlphaMap:
{
PicturePtr pAlpha;
if (vlist)
{
Picture pid = NEXT_VAL(Picture);
if (pid == None)
pAlpha = 0;
else
{
pAlpha = (PicturePtr) SecurityLookupIDByType(client,
pid,
PictureType,
SecurityWriteAccess|SecurityReadAccess);
if (!pAlpha)
{
client->errorValue = pid;
error = BadPixmap;
break;
}
if (pAlpha->pDrawable->type != DRAWABLE_PIXMAP)
{
client->errorValue = pid;
error = BadMatch;
break;
}
}
}
else
pAlpha = NEXT_PTR(PicturePtr);
if (!error)
{
if (pAlpha && pAlpha->pDrawable->type == DRAWABLE_PIXMAP)
pAlpha->refcnt++;
if (pPicture->alphaMap)
FreePicture ((void *) pPicture->alphaMap, (XID) 0);
pPicture->alphaMap = pAlpha;
}
}
break;
case CPAlphaXOrigin:
pPicture->alphaOrigin.x = NEXT_VAL(INT16);
break;
case CPAlphaYOrigin:
pPicture->alphaOrigin.y = NEXT_VAL(INT16);
break;
case CPClipXOrigin:
pPicture->clipOrigin.x = NEXT_VAL(INT16);
break;
case CPClipYOrigin:
pPicture->clipOrigin.y = NEXT_VAL(INT16);
break;
case CPClipMask:
{
Pixmap pid;
PixmapPtr pPixmap;
int clipType;
if (!pScreen)
return BadDrawable;
if (vlist)
{
pid = NEXT_VAL(Pixmap);
if (pid == None)
{
clipType = CT_NONE;
pPixmap = NullPixmap;
}
else
{
clipType = CT_PIXMAP;
pPixmap = (PixmapPtr)SecurityLookupIDByType(client,
pid,
RT_PIXMAP,
SecurityReadAccess);
if (!pPixmap)
{
client->errorValue = pid;
error = BadPixmap;
break;
}
}
}
else
{
pPixmap = NEXT_PTR(PixmapPtr);
if (pPixmap)
clipType = CT_PIXMAP;
else
clipType = CT_NONE;
}
if (pPixmap)
{
if ((pPixmap->drawable.depth != 1) ||
(pPixmap->drawable.pScreen != pScreen))
{
error = BadMatch;
break;
}
else
{
clipType = CT_PIXMAP;
pPixmap->refcnt++;
}
}
#ifdef DEBUG
fprintf(stderr, "ChangePicture: Going to call ChangePictureClip with clipType [%d] pPixmap [%p].\n",
clipType, (void *) pPixmap);
#endif
error = (*ps->ChangePictureClip)(pPicture, clipType,
(void *)pPixmap, 0);
break;
}
case CPGraphicsExposure:
{
unsigned int newe;
newe = NEXT_VAL(unsigned int);
if (newe <= xTrue)
pPicture->graphicsExposures = newe;
else
{
client->errorValue = newe;
error = BadValue;
}
}
break;
case CPSubwindowMode:
{
unsigned int news;
news = NEXT_VAL(unsigned int);
if (news == ClipByChildren || news == IncludeInferiors)
pPicture->subWindowMode = news;
else
{
client->errorValue = news;
error = BadValue;
}
}
break;
case CPPolyEdge:
{
unsigned int newe;
newe = NEXT_VAL(unsigned int);
if (newe == PolyEdgeSharp || newe == PolyEdgeSmooth)
pPicture->polyEdge = newe;
else
{
client->errorValue = newe;
error = BadValue;
}
}
break;
case CPPolyMode:
{
unsigned int newm;
newm = NEXT_VAL(unsigned int);
if (newm == PolyModePrecise || newm == PolyModeImprecise)
pPicture->polyMode = newm;
else
{
client->errorValue = newm;
error = BadValue;
}
}
break;
case CPDither:
pPicture->dither = NEXT_VAL(Atom);
break;
case CPComponentAlpha:
{
unsigned int newca;
newca = NEXT_VAL (unsigned int);
if (newca <= xTrue)
pPicture->componentAlpha = newca;
else
{
client->errorValue = newca;
error = BadValue;
}
}
break;
default:
client->errorValue = maskQ;
error = BadValue;
break;
}
PicturePtr pPicture;
pPicture = createSourcePicture();
if (!pPicture) {
*error = BadAlloc;
return 0;
}
if (ps)
(*ps->ChangePicture) (pPicture, maskQ);
return error;
}
int
SetPictureClipRects (PicturePtr pPicture,
int xOrigin,
int yOrigin,
int nRect,
xRectangle *rects)
{
ScreenPtr pScreen = pPicture->pDrawable->pScreen;
PictureScreenPtr ps = GetPictureScreen(pScreen);
RegionPtr clientClip;
int result;
clientClip = RegionFromRects(
nRect, rects, CT_UNSORTED);
if (!clientClip)
return BadAlloc;
result =(*ps->ChangePictureClip) (pPicture, CT_REGION,
(void *) clientClip, 0);
if (result == Success)
{
pPicture->clipOrigin.x = xOrigin;
pPicture->clipOrigin.y = yOrigin;
pPicture->stateChanges |= CPClipXOrigin|CPClipYOrigin|CPClipMask;
pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT;
pPicture->id = pid;
pPicture->pSourcePict = (SourcePictPtr) xalloc(sizeof(PictSolidFill));
if (!pPicture->pSourcePict) {
*error = BadAlloc;
xfree(pPicture);
return 0;
}
return result;
pPicture->pSourcePict->type = SourcePictTypeSolidFill;
pPicture->pSourcePict->solidFill.color = xRenderColorToCard32(*color);
pPicture->pSourcePict->solidFill.fullColor.alpha=color->alpha;
pPicture->pSourcePict->solidFill.fullColor.red=color->red;
pPicture->pSourcePict->solidFill.fullColor.green=color->green;
pPicture->pSourcePict->solidFill.fullColor.blue=color->blue;
return pPicture;
}
int
SetPictureClipRegion (PicturePtr pPicture,
int xOrigin,
int yOrigin,
RegionPtr pRegion)
static PicturePtr createSourcePicture(void)
{
ScreenPtr pScreen = pPicture->pDrawable->pScreen;
PictureScreenPtr ps = GetPictureScreen(pScreen);
RegionPtr clientClip;
int result;
int type;
if (pRegion)
{
type = CT_REGION;
clientClip = RegionCreate(
RegionExtents(pRegion),
RegionNumRects(pRegion));
if (!clientClip)
return BadAlloc;
if (!RegionCopy(clientClip, pRegion))
{
RegionDestroy(clientClip);
return BadAlloc;
}
}
else
{
type = CT_NONE;
clientClip = 0;
}
PicturePtr pPicture;
result =(*ps->ChangePictureClip) (pPicture, type,
(void *) clientClip, 0);
if (result == Success)
{
pPicture->clipOrigin.x = xOrigin;
pPicture->clipOrigin.y = yOrigin;
pPicture->stateChanges |= CPClipXOrigin|CPClipYOrigin|CPClipMask;
pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT;
}
return result;
}
extern int nxagentPicturePrivateIndex;
unsigned int totalPictureSize;
int
SetPictureTransform (PicturePtr pPicture,
PictTransform *transform)
{
static const PictTransform identity = { {
{ xFixed1, 0x00000, 0x00000 },
{ 0x00000, xFixed1, 0x00000 },
{ 0x00000, 0x00000, xFixed1 },
} };
DevUnion *ppriv;
if (transform && memcmp (transform, &identity, sizeof (PictTransform)) == 0)
transform = 0;
char *privPictureRecAddr;
if (transform)
{
if (!pPicture->transform)
{
pPicture->transform = (PictTransform *) xalloc (sizeof (PictTransform));
if (!pPicture->transform)
return BadAlloc;
}
*pPicture->transform = *transform;
}
else
{
if (pPicture->transform)
{
xfree (pPicture->transform);
pPicture->transform = 0;
}
}
pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT;
int i;
return Success;
}
/*
* Compute size of entire PictureRect, plus privates.
*/
void
CopyPicture (PicturePtr pSrc,
Mask mask,
PicturePtr pDst)
{
PictureScreenPtr ps = GetPictureScreen(pSrc->pDrawable->pScreen);
Mask origMask = mask;
totalPictureSize = sizeof(PictureRec) +
picturePrivateCount * sizeof(DevUnion) +
sizeof(nxagentPrivPictureRec);
pDst->serialNumber |= GC_CHANGE_SERIAL_BIT;
pDst->stateChanges |= mask;
pPicture = (PicturePtr) xalloc(totalPictureSize);
while (mask) {
Mask bit = lowbit(mask);
if (pPicture != NULL)
{
ppriv = (DevUnion *) (pPicture + 1);
switch (bit)
for (i = 0; i < picturePrivateCount; ++i)
{
case CPRepeat:
pDst->repeat = pSrc->repeat;
pDst->repeatType = pSrc->repeatType;
break;
case CPAlphaMap:
if (pSrc->alphaMap && pSrc->alphaMap->pDrawable->type == DRAWABLE_PIXMAP)
pSrc->alphaMap->refcnt++;
if (pDst->alphaMap)
FreePicture ((void *) pDst->alphaMap, (XID) 0);
pDst->alphaMap = pSrc->alphaMap;
break;
case CPAlphaXOrigin:
pDst->alphaOrigin.x = pSrc->alphaOrigin.x;
break;
case CPAlphaYOrigin:
pDst->alphaOrigin.y = pSrc->alphaOrigin.y;
break;
case CPClipXOrigin:
pDst->clipOrigin.x = pSrc->clipOrigin.x;
break;
case CPClipYOrigin:
pDst->clipOrigin.y = pSrc->clipOrigin.y;
break;
case CPClipMask:
switch (pSrc->clientClipType) {
case CT_NONE:
(*ps->ChangePictureClip)(pDst, CT_NONE, NULL, 0);
break;
case CT_REGION:
if (!pSrc->clientClip) {
(*ps->ChangePictureClip)(pDst, CT_NONE, NULL, 0);
} else {
RegionPtr clientClip;
RegionPtr srcClientClip = (RegionPtr)pSrc->clientClip;
/*
* Other privates are inaccessible.
*/
clientClip = RegionCreate(
RegionExtents(srcClientClip),
RegionNumRects(srcClientClip));
(*ps->ChangePictureClip)(pDst, CT_REGION, clientClip, 0);
}
break;
default:
/* XXX: CT_PIXMAP unimplemented */
break;
}
break;
case CPGraphicsExposure:
pDst->graphicsExposures = pSrc->graphicsExposures;
break;
case CPPolyEdge:
pDst->polyEdge = pSrc->polyEdge;
break;
case CPPolyMode:
pDst->polyMode = pSrc->polyMode;
break;
case CPDither:
pDst->dither = pSrc->dither;
break;
case CPComponentAlpha:
pDst->componentAlpha = pSrc->componentAlpha;
break;
}
mask &= ~bit;
ppriv[i].ptr = NULL;
}
(*ps->ChangePicture)(pDst, origMask);
}
privPictureRecAddr = (char *) &ppriv[picturePrivateCount];
static void
ValidateOnePicture (PicturePtr pPicture)
{
if (pPicture->pDrawable && pPicture->serialNumber != pPicture->pDrawable->serialNumber)
{
PictureScreenPtr ps = GetPictureScreen(pPicture->pDrawable->pScreen);
ppriv[nxagentPicturePrivateIndex].ptr = (void *) privPictureRecAddr;
pPicture -> devPrivates = ppriv;
(*ps->ValidatePicture) (pPicture, pPicture->stateChanges);
pPicture->stateChanges = 0;
pPicture->serialNumber = pPicture->pDrawable->serialNumber;
nxagentPicturePriv(pPicture) -> picture = 0;
}
}
void
ValidatePicture(PicturePtr pPicture)
{
ValidateOnePicture (pPicture);
if (pPicture->alphaMap)
ValidateOnePicture (pPicture->alphaMap);
pPicture->pDrawable = 0;
pPicture->pFormat = 0;
pPicture->pNext = 0;
SetPictureToDefaults(pPicture);
return pPicture;
}
int
......@@ -1747,9 +358,7 @@ FreePicture (void * value,
if (--pPicture->refcnt == 0)
{
#ifdef NXAGENT_SERVER
nxagentDestroyPicture(pPicture);
#endif
if (pPicture->transform)
xfree (pPicture->transform);
......@@ -1793,264 +402,6 @@ FreePicture (void * value,
return Success;
}
int
FreePictFormat (void * pPictFormat,
XID pid)
{
return Success;
}
/**
* ReduceCompositeOp is used to choose simpler ops for cases where alpha
* channels are always one and so math on the alpha channel per pixel becomes
* unnecessary. It may also avoid destination reads sometimes if apps aren't
* being careful to avoid these cases.
*/
static CARD8
ReduceCompositeOp (CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst)
{
Bool no_src_alpha, no_dst_alpha;
no_src_alpha = PICT_FORMAT_COLOR(pSrc->format) &&
PICT_FORMAT_A(pSrc->format) == 0 &&
pSrc->alphaMap == NULL &&
pMask == NULL;
no_dst_alpha = PICT_FORMAT_COLOR(pDst->format) &&
PICT_FORMAT_A(pDst->format) == 0 &&
pDst->alphaMap == NULL;
/* TODO, maybe: Conjoint and Disjoint op reductions? */
/* Deal with simplifications where the source alpha is always 1. */
if (no_src_alpha)
{
switch (op) {
case PictOpOver:
op = PictOpSrc;
break;
case PictOpInReverse:
op = PictOpDst;
break;
case PictOpOutReverse:
op = PictOpClear;
break;
case PictOpAtop:
op = PictOpIn;
break;
case PictOpAtopReverse:
op = PictOpOverReverse;
break;
case PictOpXor:
op = PictOpOut;
break;
default:
break;
}
}
/* Deal with simplifications when the destination alpha is always 1 */
if (no_dst_alpha)
{
switch (op) {
case PictOpOverReverse:
op = PictOpDst;
break;
case PictOpIn:
op = PictOpSrc;
break;
case PictOpOut:
op = PictOpClear;
break;
case PictOpAtop:
op = PictOpOver;
break;
case PictOpXor:
op = PictOpOutReverse;
break;
default:
break;
}
}
/* Reduce some con/disjoint ops to the basic names. */
switch (op) {
case PictOpDisjointClear:
case PictOpConjointClear:
op = PictOpClear;
break;
case PictOpDisjointSrc:
case PictOpConjointSrc:
op = PictOpSrc;
break;
case PictOpDisjointDst:
case PictOpConjointDst:
op = PictOpDst;
break;
default:
break;
}
return op;
}
void
CompositePicture (CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xMask,
INT16 yMask,
INT16 xDst,
INT16 yDst,
CARD16 width,
CARD16 height)
{
PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
ValidatePicture (pSrc);
if (pMask)
ValidatePicture (pMask);
ValidatePicture (pDst);
op = ReduceCompositeOp (op, pSrc, pMask, pDst);
if (op == PictOpDst)
return;
(*ps->Composite) (op,
pSrc,
pMask,
pDst,
xSrc,
ySrc,
xMask,
yMask,
xDst,
yDst,
width,
height);
}
void
CompositeGlyphs (CARD8 op,
PicturePtr pSrc,
PicturePtr pDst,
PictFormatPtr maskFormat,
INT16 xSrc,
INT16 ySrc,
int nlist,
GlyphListPtr lists,
GlyphPtr *glyphs)
{
PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
ValidatePicture (pSrc);
ValidatePicture (pDst);
#ifdef TEST
fprintf(stderr, "CompositeGlyphs: Going to composite glyphs with "
"source at [%p] and destination at [%p].\n",
(void *) pSrc, (void *) pDst);
#endif
(*ps->Glyphs) (op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, lists, glyphs);
}
void
CompositeRects (CARD8 op,
PicturePtr pDst,
xRenderColor *color,
int nRect,
xRectangle *rects)
{
PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
ValidatePicture (pDst);
(*ps->CompositeRects) (op, pDst, color, nRect, rects);
}
void
CompositeTrapezoids (CARD8 op,
PicturePtr pSrc,
PicturePtr pDst,
PictFormatPtr maskFormat,
INT16 xSrc,
INT16 ySrc,
int ntrap,
xTrapezoid *traps)
{
PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
ValidatePicture (pSrc);
ValidatePicture (pDst);
(*ps->Trapezoids) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntrap, traps);
}
void
CompositeTriangles (CARD8 op,
PicturePtr pSrc,
PicturePtr pDst,
PictFormatPtr maskFormat,
INT16 xSrc,
INT16 ySrc,
int ntriangles,
xTriangle *triangles)
{
PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
ValidatePicture (pSrc);
ValidatePicture (pDst);
(*ps->Triangles) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntriangles, triangles);
}
void
CompositeTriStrip (CARD8 op,
PicturePtr pSrc,
PicturePtr pDst,
PictFormatPtr maskFormat,
INT16 xSrc,
INT16 ySrc,
int npoints,
xPointFixed *points)
{
PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
ValidatePicture (pSrc);
ValidatePicture (pDst);
(*ps->TriStrip) (op, pSrc, pDst, maskFormat, xSrc, ySrc, npoints, points);
}
void
CompositeTriFan (CARD8 op,
PicturePtr pSrc,
PicturePtr pDst,
PictFormatPtr maskFormat,
INT16 xSrc,
INT16 ySrc,
int npoints,
xPointFixed *points)
{
PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen);
ValidatePicture (pSrc);
ValidatePicture (pDst);
(*ps->TriFan) (op, pSrc, pDst, maskFormat, xSrc, ySrc, npoints, points);
}
void
AddTraps (PicturePtr pPicture,
INT16 xOff,
INT16 yOff,
int ntrap,
xTrap *traps)
{
PictureScreenPtr ps = GetPictureScreen(pPicture->pDrawable->pScreen);
ValidatePicture (pPicture);
(*ps->AddTraps) (pPicture, xOff, yOff, ntrap, traps);
}
#ifndef True
# define True 1
#endif
......
nx-X11/programs/Xserver/render/Imakefile
View file @ 0c29f81f
......@@ -8,10 +8,12 @@ NULL =
NXAGENT_SKIP_SRCS = \
miglyph.c \
mitrap.c \
picture.c \
$(NULL)
NXAGENT_SKIP_OBJS = \
miglyph.o \
mitrap.o \
picture.o \
$(NULL)
#endif
......@@ -23,7 +25,6 @@ NXAGENT_SKIP_OBJS = \
mipict.c \
mirect.c \
mitri.c \
picture.c \
render.c \
renderedge.c \
$(NXAGENT_SKIP_SRCS) \
......@@ -37,7 +38,6 @@ NXAGENT_SKIP_OBJS = \
mipict.o \
mirect.o \
mitri.o \
picture.o \
render.o \
renderedge.o \
$(NXAGENT_SKIP_OBJS) \
......
nx-X11/programs/Xserver/render/picture.c
View file @ 0c29f81f
......@@ -40,7 +40,10 @@
#include "dixstruct.h"
#include "gcstruct.h"
#include "servermd.h"
#ifndef NXAGENT_SERVER
#include "picturestr.h"
#endif
int PictureScreenPrivateIndex = -1;
int PictureWindowPrivateIndex;
......@@ -212,6 +215,7 @@ addFormat (FormatInitRec formats[256],
#define Mask(n) ((n) == 32 ? 0xffffffff : ((1 << (n))-1))
#ifndef NXAGENT_SERVER
PictFormatPtr
PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
{
......@@ -431,6 +435,7 @@ PictureCreateDefaultFormats (ScreenPtr pScreen, int *nformatp)
*nformatp = nformats;
return pFormats;
}
#endif
static VisualPtr
PictureFindVisual (ScreenPtr pScreen, VisualID visual)
......@@ -767,6 +772,7 @@ SetPictureToDefaults (PicturePtr pPicture)
pPicture->pSourcePict = 0;
}
#ifndef NXAGENT_SERVER
PicturePtr
AllocatePicture (ScreenPtr pScreen)
{
......@@ -847,6 +853,7 @@ CreatePicture (Picture pid,
}
return pPicture;
}
#endif
static CARD32 xRenderColorToCard32(xRenderColor c)
{
......@@ -969,6 +976,7 @@ static void initGradient(SourcePictPtr pGradient, int stopCount,
initGradientColorTable(pGradient, error);
}
#ifndef NXAGENT_SERVER
static PicturePtr createSourcePicture(void)
{
PicturePtr pPicture;
......@@ -1002,6 +1010,7 @@ CreateSolidPicture (Picture pid, xRenderColor *color, int *error)
pPicture->pSourcePict->solidFill.color = xRenderColorToCard32(*color);
return pPicture;
}
#endif
PicturePtr
CreateLinearGradientPicture (Picture pid, xPointFixed *p1, xPointFixed *p2,
......@@ -1592,6 +1601,7 @@ ValidatePicture(PicturePtr pPicture)
ValidateOnePicture (pPicture->alphaMap);
}
#ifndef NXAGENT_SERVER
int
FreePicture (void * value,
XID pid)
......@@ -1641,6 +1651,7 @@ FreePicture (void * value,
}
return Success;
}
#endif
int
FreePictFormat (void * pPictFormat,
......
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