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Bug 852489. Part 5: Don't temporarily reset clip rect when reusing an existing layer. r=mattwodrow

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--HG--
extra : rebase_source : 65ace15a404e25e14c02e514077997554d36f092
This commit is contained in:
Robert O'Callahan 2013-03-22 15:17:29 +13:00
parent 361f43cd8a
commit 88994b7bd5
1 changed files with 3 additions and 5 deletions
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8
layout/base/FrameLayerBuilder.cpp
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@ -2179,7 +2179,9 @@ ContainerState::ProcessDisplayItems(const nsDisplayList& aList,
if (aClip.mHaveClipRect) {
nsIntRect clip = ScaleToNearestPixels(aClip.NonRoundedIntersection());
clip.MoveBy(mParameters.mOffset);
ownLayer->IntersectClipRect(clip);
ownLayer->SetClipRect(&clip);
} else {
ownLayer->SetClipRect(nullptr);
}
ThebesLayerData* data = GetTopThebesLayerData();
if (data) {
@ -2884,8 +2886,6 @@ FrameLayerBuilder::BuildContainerLayerFor(nsDisplayListBuilder* aBuilder,
NS_ASSERTION(oldLayer->GetType() == Layer::TYPE_CONTAINER,
"Wrong layer type");
containerLayer = static_cast<ContainerLayer*>(oldLayer);
// Clear clip rect; the caller will set it if necessary.
containerLayer->SetClipRect(nullptr);
containerLayer->SetMaskLayer(nullptr);
}
}
@ -3012,8 +3012,6 @@ FrameLayerBuilder::GetLeafLayerFor(nsDisplayListBuilder* aBuilder,
// layer rendering.
return nullptr;
}
// Clear clip rect; the caller is responsible for setting it.
layer->SetClipRect(nullptr);
layer->SetMaskLayer(nullptr);
return layer;
}