EXA: Glyph cache upload tweaks.
Track damage after using UploadToScreen directly. Don't waste any effort on empty glyphs.
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@ -394,6 +394,12 @@ exaGlyphCacheUploadGlyph(ScreenPtr pScreen,
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pExaPixmap->sys_pitch))
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return FALSE;
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exaPixmapDirty (pCachePixmap,
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CACHE_X(pos) + cacheXoff,
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CACHE_Y(pos) + cacheYoff,
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CACHE_X(pos) + cacheXoff + pGlyph->info.width,
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CACHE_Y(pos) + cacheYoff + pGlyph->info.height);
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return TRUE;
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}
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@ -737,7 +743,8 @@ exaGlyphs (CARD8 op,
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glyph = *glyphs++;
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pPicture = GlyphPicture (glyph)[pScreen->myNum];
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if (exaBufferGlyph(pScreen, &buffer, glyph, x, y) == ExaGlyphNeedFlush)
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if (glyph->info.width > 0 && glyph->info.height > 0 &&
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exaBufferGlyph(pScreen, &buffer, glyph, x, y) == ExaGlyphNeedFlush)
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{
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if (maskFormat)
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exaGlyphsToMask(pMask, &buffer);
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