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Bug 579215: Direct2D does not know how to deal with self-copy. Fallback. r=jrmuizel

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This commit is contained in:
Bas Schouten 2010-07-19 18:48:02 +02:00
parent 110f1da2cf
commit 34290715c4
1 changed files with 8 additions and 0 deletions
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8
gfx/cairo/cairo/src/cairo-d2d-surface.cpp
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@ -1013,6 +1013,14 @@ _cairo_d2d_create_brush_for_pattern(cairo_d2d_surface_t *d2dsurf,
cairo_d2d_surface_t *srcSurf =
reinterpret_cast<cairo_d2d_surface_t*>(surfacePattern->surface);
if (srcSurf == d2dsurf) {
/* D2D cannot deal with self-copy. We should add an optimized
* codepath for self-copy in the easy cases that does ping-pong like
* scroll does. See bug 579215. For now fallback.
*/
return NULL;
}
_cairo_d2d_update_surface_bitmap(srcSurf);
sourceBitmap = srcSurf->surfaceBitmap;