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Bug 918839 - Extend ThebesLayerBuffer's height to more than 32. r=jmuizelaar

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This commit is contained in:
Sotaro Ikeda 2013-09-23 09:04:35 -04:00
parent d324a46d6d
commit aba007f2cf
1 changed files with 14 additions and 0 deletions
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14
gfx/layers/ThebesLayerBuffer.cpp
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@ -506,6 +506,20 @@ ComputeBufferRect(const nsIntRect& aRequestedRect)
// rendering glitch, and guarantees image rows can be SIMD'd for
// even r5g6b5 surfaces pretty much everywhere.
rect.width = std::max(aRequestedRect.width, 64);
#ifdef MOZ_WIDGET_GONK
// Set a minumum height to guarantee a minumum height of buffers we
// allocate. Some GL implementations fail to render gralloc textures
// with a height 9px-16px. It happens on Adreno 200. Adreno 320 does not
// have this problem. 32 is choosed as alignment of gralloc buffers.
// See Bug 873937.
// Increase the height only when the requested height is more than 0.
// See Bug 895976.
// XXX it might be better to disable it on the gpu that does not have
// the height problem.
if (rect.height > 0) {
rect.height = std::max(aRequestedRect.height, 32);
}
#endif
return rect;
}