Use per-screen Pixmaps for glyphs

Instead of system-memory data which prevents accelerated
compositing of glyphs, (at least without forcing an upload
of the glyph data before compositing).
This commit is contained in:
Carl Worth 2007-08-01 15:48:30 -07:00
commit a2af34d5a8
6 changed files with 127 additions and 139 deletions

View file

@ -571,9 +571,13 @@ FreeGlyph (GlyphPtr glyph, int format)
for (i = 0; i < screenInfo.numScreens; i++)
{
ps = GetPictureScreenIfSet (screenInfo.screens[i]);
ScreenPtr pScreen = screenInfo.screens[i];
(pScreen->DestroyPixmap) (GlyphPixmap (glyph)[i]);
ps = GetPictureScreenIfSet (pScreen);
if (ps)
(*ps->UnrealizeGlyph) (screenInfo.screens[i], glyph);
(*ps->UnrealizeGlyph) (pScreen, glyph);
}
if (glyph->devPrivates)
@ -665,7 +669,7 @@ AllocateGlyph (xGlyphInfo *gi, int fdepth)
GlyphPtr glyph;
int i;
size = gi->height * PixmapBytePad (gi->width, glyphDepths[fdepth]);
size = screenInfo.numScreens * sizeof (PixmapPtr);
glyph = (GlyphPtr) xalloc (size + sizeof (GlyphRec));
if (!glyph)
return 0;
@ -685,27 +689,38 @@ AllocateGlyph (xGlyphInfo *gi, int fdepth)
for (i = 0; i < screenInfo.numScreens; i++)
{
ps = GetPictureScreenIfSet (screenInfo.screens[i]);
if (ps)
{
if (!(*ps->RealizeGlyph) (screenInfo.screens[i], glyph))
{
while (i--)
{
ps = GetPictureScreenIfSet (screenInfo.screens[i]);
if (ps)
(*ps->UnrealizeGlyph) (screenInfo.screens[i], glyph);
}
if (glyph->devPrivates)
xfree (glyph->devPrivates);
xfree (glyph);
return 0;
}
ScreenPtr pScreen = screenInfo.screens[i];
GlyphPixmap (glyph)[i] = (pScreen->CreatePixmap) (pScreen,
gi->width, gi->height,
glyphDepths[fdepth]);
if (! GlyphPixmap (glyph)[i])
goto bail;
ps = GetPictureScreenIfSet (pScreen);
if (! ps)
continue;
if (!(*ps->RealizeGlyph) (pScreen, glyph)) {
(pScreen->DestroyPixmap) (GlyphPixmap (glyph)[i]);
goto bail;
}
}
return glyph;
bail:
while (i--)
{
ps = GetPictureScreenIfSet (screenInfo.screens[i]);
if (ps)
(*ps->UnrealizeGlyph) (screenInfo.screens[i], glyph);
}
if (glyph->devPrivates)
xfree (glyph->devPrivates);
xfree (glyph);
return 0;
}
Bool

View file

@ -44,9 +44,11 @@ typedef struct _Glyph {
unsigned char sha1[20];
CARD32 size; /* info + bitmap */
xGlyphInfo info;
/* bits follow */
/* per-screen pixmaps follow */
} GlyphRec, *GlyphPtr;
#define GlyphPixmap(glyph) ((PixmapPtr *) ((glyph) + 1))
typedef struct _GlyphRef {
CARD32 signature;
GlyphPtr glyph;

View file

@ -112,7 +112,7 @@ miGlyphs (CARD8 op,
GlyphListPtr list,
GlyphPtr *glyphs)
{
PixmapPtr pPixmap = 0;
PixmapPtr pPixmap;
PicturePtr pPicture;
PixmapPtr pMaskPixmap = 0;
PicturePtr pMask;
@ -166,7 +166,6 @@ miGlyphs (CARD8 op,
x = 0;
y = 0;
}
pPicture = 0;
while (nlist--)
{
x += list->xOff;
@ -175,28 +174,14 @@ miGlyphs (CARD8 op,
while (n--)
{
glyph = *glyphs++;
pPixmap = GlyphPixmap (glyph)[pScreen->myNum];
component_alpha = NeedsComponent(list->format->format);
pPicture = CreatePicture (0, &pPixmap->drawable, list->format,
CPComponentAlpha, &component_alpha,
serverClient, &error);
if (!pPicture)
{
pPixmap = GetScratchPixmapHeader (pScreen, glyph->info.width, glyph->info.height,
list->format->depth,
list->format->depth,
0, (pointer) (glyph + 1));
if (!pPixmap)
return;
component_alpha = NeedsComponent(list->format->format);
pPicture = CreatePicture (0, &pPixmap->drawable, list->format,
CPComponentAlpha, &component_alpha,
serverClient, &error);
if (!pPicture)
{
FreeScratchPixmapHeader (pPixmap);
return;
}
}
(*pScreen->ModifyPixmapHeader) (pPixmap,
glyph->info.width, glyph->info.height,
0, 0, -1, (pointer) (glyph + 1));
pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
return;
if (maskFormat)
{
CompositePicture (PictOpAdd,
@ -224,17 +209,12 @@ miGlyphs (CARD8 op,
glyph->info.width,
glyph->info.height);
}
FreePicture ((pointer) pPicture, 0);
x += glyph->info.xOff;
y += glyph->info.yOff;
}
list++;
if (pPicture)
{
FreeScratchPixmapHeader (pPixmap);
FreePicture ((pointer) pPicture, 0);
pPicture = 0;
pPixmap = 0;
}
}
if (maskFormat)
{

View file

@ -1099,7 +1099,9 @@ ProcRenderAddGlyphs (ClientPtr client)
CARD8 *bits;
int size;
int err = BadAlloc;
int i;
int i, screen;
PicturePtr pSrc = NULL, pDst = NULL;
PixmapPtr pSrcPix = NULL, pDstPix = NULL;
REQUEST_AT_LEAST_SIZE(xRenderAddGlyphsReq);
glyphSet = (GlyphSetPtr) SecurityLookupIDByType (client,
@ -1164,7 +1166,62 @@ ProcRenderAddGlyphs (ClientPtr client)
goto bail;
}
memcpy ((CARD8 *) (glyph_new->glyph + 1), bits, size);
for (screen = 0; screen < screenInfo.numScreens; screen++)
{
int width = gi[i].width;
int height = gi[i].height;
int depth = glyphSet->format->depth;
ScreenPtr pScreen;
int error;
pScreen = screenInfo.screens[screen];
pSrcPix = GetScratchPixmapHeader (pScreen,
width, height,
depth, depth,
-1, bits);
if (! pSrcPix)
{
err = BadAlloc;
goto bail;
}
pSrc = CreatePicture (0, &pSrcPix->drawable,
glyphSet->format, 0, NULL,
serverClient, &error);
if (! pSrc)
{
err = BadAlloc;
goto bail;
}
pDstPix = GlyphPixmap (glyph_new->glyph)[screen];
pDst = CreatePicture (0, &pDstPix->drawable,
glyphSet->format, 0, NULL,
serverClient, &error);
if (! pDst)
{
err = BadAlloc;
goto bail;
}
CompositePicture (PictOpSrc,
pSrc,
None,
pDst,
0, 0,
0, 0,
0, 0,
width, height);
FreePicture ((pointer) pSrc, 0);
pSrc = NULL;
FreePicture ((pointer) pDst, 0);
pDst = NULL;
FreeScratchPixmapHeader (pSrcPix);
pSrcPix = NULL;
}
memcpy (glyph_new->glyph->sha1, glyph_new->sha1, 20);
}
@ -1192,6 +1249,12 @@ ProcRenderAddGlyphs (ClientPtr client)
Xfree (glyphsBase);
return client->noClientException;
bail:
if (pSrc)
FreePicture ((pointer) pSrc, 0);
if (pDst)
FreePicture ((pointer) pDst, 0);
if (pSrcPix)
FreeScratchPixmapHeader (pSrcPix);
for (i = 0; i < nglyphs; i++)
if (glyphs[i].glyph && ! glyphs[i].found)
xfree (glyphs[i].glyph);