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EXA: ImageGlyphBlt improvements. 

* Don't waste effort on invisible glyphs.
* Only track damage for bounding box instead of each glyph separately.
* Always migrate for fallbacks.
This commit is contained in:
Michel Dänzer 2007-04-29 23:48:11 +02:00
parent a8d6ebdf93
commit 7fca169011
1 changed files with 57 additions and 72 deletions
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129
exa/exa_accel.c
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@ -915,12 +915,36 @@ exaImageGlyphBlt (DrawablePtr pDrawable,
int dstBpp;
int dstXoff, dstYoff;
FbBits depthMask;
PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable);
ExaMigrationRec pixmaps[1];
int xBack, widthBack, yBack, heightBack;
for (ppci = ppciInit, n = nglyph, widthBack = 0; n; n--)
widthBack += (*ppci++)->metrics.characterWidth;
xBack = x;
if (widthBack < 0)
{
xBack += widthBack;
widthBack = -widthBack;
}
yBack = y - FONTASCENT(pGC->font);
heightBack = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font);
if (xBack >= pDrawable->width || yBack >= pDrawable->height ||
(xBack + widthBack) <= 0 || (yBack + heightBack) <= 0)
return;
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = TRUE;
pixmaps[0].pPix = pPixmap;
depthMask = FbFullMask(pDrawable->depth);
if ((pGC->planemask & depthMask) != depthMask)
{
exaDoMigration(pixmaps, 1, FALSE);
ExaCheckImageGlyphBlt(pDrawable, pGC, x, y, nglyph, ppciInit, pglyphBase);
return;
goto damage;
}
glyph = NULL;
switch (pDrawable->bitsPerPixel) {
@ -932,6 +956,8 @@ exaImageGlyphBlt (DrawablePtr pDrawable,
x += pDrawable->x;
y += pDrawable->y;
xBack += pDrawable->x;
yBack += pDrawable->y;
if (TERMINALFONT (pGC->font) && !glyph)
{
@ -939,23 +965,6 @@ exaImageGlyphBlt (DrawablePtr pDrawable,
}
else
{
int xBack, widthBack;
int yBack, heightBack;
ppci = ppciInit;
n = nglyph;
widthBack = 0;
while (n--)
widthBack += (*ppci++)->metrics.characterWidth;
xBack = x;
if (widthBack < 0)
{
xBack += widthBack;
widthBack = -widthBack;
}
yBack = y - FONTASCENT(pGC->font);
heightBack = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font);
exaSolidBoxClipped (pDrawable,
fbGetCompositeClip(pGC),
pGC->planemask,
@ -968,74 +977,50 @@ exaImageGlyphBlt (DrawablePtr pDrawable,
}
EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
exaDoMigration(pixmaps, 1, FALSE);
exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
exaPrepareAccessGC (pGC);
fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
ppci = ppciInit;
while (nglyph--)
for (ppci = ppciInit; nglyph; nglyph--, x += pci->metrics.characterWidth)
{
pci = *ppci++;
pglyph = FONTGLYPHBITS(pglyphBase, pci);
gWidth = GLYPHWIDTHPIXELS(pci);
gHeight = GLYPHHEIGHTPIXELS(pci);
if (gWidth && gHeight)
gx = x + pci->metrics.leftSideBearing;
gy = y - pci->metrics.ascent;
if (!gWidth || !gHeight || (gx + gWidth) <= xBack ||
(gy + gHeight) <= yBack || gx >= (xBack + widthBack) ||
gy >= (yBack + heightBack))
continue;
pglyph = FONTGLYPHBITS(pglyphBase, pci);
if (glyph && gWidth <= sizeof (FbStip) * 8 &&
fbGlyphIn (fbGetCompositeClip(pGC), gx, gy, gWidth, gHeight))
{
gx = x + pci->metrics.leftSideBearing;
gy = y - pci->metrics.ascent;
if (glyph && gWidth <= sizeof (FbStip) * 8 &&
fbGlyphIn (fbGetCompositeClip(pGC), gx, gy, gWidth, gHeight))
{
(*glyph) (dst + (gy + dstYoff) * dstStride,
dstStride,
dstBpp,
(FbStip *) pglyph,
pPriv->fg,
gx + dstXoff,
gHeight);
exaDrawableDirty (pDrawable, gx, gy, gx + gWidth, gy + gHeight);
}
else
{
RegionPtr pClip = fbGetCompositeClip(pGC);
int nbox;
BoxPtr pbox;
gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof (FbStip);
fbPutXYImage (pDrawable,
pClip,
pPriv->fg,
pPriv->bg,
pPriv->pm,
GXcopy,
opaque,
gx,
gy,
gWidth, gHeight,
(FbStip *) pglyph,
gStride,
0);
for (nbox = REGION_NUM_RECTS(pClip), pbox = REGION_RECTS(pClip);
nbox--; pbox++) {
int x1 = max(gx, pbox->x1), x2 = min(gx + gWidth, pbox->x2);
int y1 = max(gy, pbox->y1), y2 = min(gy + gHeight, pbox->y2);
if (x1 >= x2 || y1 >= y2)
continue;
exaDrawableDirty (pDrawable, gx, gy, gx + gWidth,
gy + gHeight);
}
}
(*glyph) (dst + (gy + dstYoff) * dstStride, dstStride, dstBpp,
(FbStip *) pglyph, pPriv->fg, gx + dstXoff, gHeight);
}
else
{
RegionPtr pClip = fbGetCompositeClip(pGC);
gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof (FbStip);
fbPutXYImage (pDrawable, pClip, pPriv->fg, pPriv->bg, pPriv->pm,
GXcopy, opaque, gx, gy, gWidth, gHeight,
(FbStip *) pglyph, gStride, 0);
}
x += pci->metrics.characterWidth;
}
exaFinishAccessGC (pGC);
exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
damage:
exaGetDrawableDeltas(pDrawable, pPixmap, &dstXoff, &dstYoff);
exaPixmapDirty(pPixmap, xBack + dstXoff, yBack + dstYoff,
xBack + dstXoff + widthBack, yBack + dstYoff + heightBack);
}
const GCOps exaOps = {