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Bug 802385 - Never flatten component alpha layers when compositing with an accelerated layer manager. r=roc

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This commit is contained in:
Matt Woodrow
2012-11-22 18:34:32 +13:00
parent 369a792b38
commit 86a22e6432
1 changed files with 5 additions and 3 deletions
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8
layout/base/FrameLayerBuilder.cpp
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@@ -2856,9 +2856,11 @@ FrameLayerBuilder::BuildContainerLayerFor(nsDisplayListBuilder* aBuilder,
nsRect bounds;
nsIntRect pixBounds;
int32_t appUnitsPerDevPixel;
uint32_t stateFlags =
(aContainerFrame->GetStateBits() & NS_FRAME_NO_COMPONENT_ALPHA) ?
ContainerState::NO_COMPONENT_ALPHA : 0;
uint32_t stateFlags = 0;
if ((aContainerFrame->GetStateBits() & NS_FRAME_NO_COMPONENT_ALPHA) &&
mRetainingManager && !mRetainingManager->AreComponentAlphaLayersEnabled()) {
stateFlags = ContainerState::NO_COMPONENT_ALPHA;
}
uint32_t flags;
while (true) {
ContainerState state(aBuilder, aManager, aManager->GetLayerBuilder(),