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Bug 1022612. Part 36: Avoid redundant calls to ShouldPrerenderTransformedContent. r=mattwoodrow

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--HG--
extra : rebase_source : 127a28cb37dd1953a5eb593ba4b40645c138866f
This commit is contained in:
Robert O'Callahan 2014-06-23 16:24:15 +12:00
parent a7a227d36d
commit 90a719d327
1 changed files with 3 additions and 2 deletions
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5
layout/base/nsDisplayList.cpp
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@ -4696,7 +4696,8 @@ already_AddRefed<Layer> nsDisplayTransform::BuildLayer(nsDisplayListBuilder *aBu
return nullptr;
}
uint32_t flags = ShouldPrerenderTransformedContent(aBuilder, mFrame, false) ?
bool prerender = ShouldPrerenderTransformedContent(aBuilder, mFrame, false);
uint32_t flags = prerender ?
FrameLayerBuilder::CONTAINER_NOT_CLIPPED_BY_ANCESTORS : 0;
nsRefPtr<ContainerLayer> container = aManager->GetLayerBuilder()->
BuildContainerLayerFor(aBuilder, aManager, mFrame, this, mStoredList.GetChildren(),
@ -4717,7 +4718,7 @@ already_AddRefed<Layer> nsDisplayTransform::BuildLayer(nsDisplayListBuilder *aBu
nsDisplayListBuilder::AddAnimationsAndTransitionsToLayer(container, aBuilder,
this, mFrame,
eCSSProperty_transform);
if (ShouldPrerenderTransformedContent(aBuilder, mFrame, false)) {
if (prerender) {
container->SetUserData(nsIFrame::LayerIsPrerenderedDataKey(),
/*the value is irrelevant*/nullptr);
container->SetContentFlags(container->GetContentFlags() | Layer::CONTENT_MAY_CHANGE_TRANSFORM);