Backed out changeset 6776e4836c04 (bug 907048) for marionette-webapi failures on a CLOSED TREE

This commit is contained in:
Ed Morley 2013-09-10 14:31:35 +01:00
parent a9ecc1fd42
commit 350bd7e4d7

View File

@ -47,38 +47,6 @@ HasOpaqueAncestorLayer(Layer* aLayer)
return false;
}
/**
* Returns a rectangle of content painted opaquely by aLayer. Very consertative;
* bails by returning an empty rect in any tricky situations.
*/
static nsIntRect
GetOpaqueRect(Layer* aLayer)
{
nsIntRect result;
// Just bail if there's anything difficult to handle.
if (!aLayer->GetEffectiveTransform().IsIdentity() ||
aLayer->GetEffectiveOpacity() != 1.0f ||
aLayer->GetMaskLayer()) {
return result;
}
if (aLayer->GetContentFlags() & Layer::CONTENT_OPAQUE) {
result = aLayer->GetEffectiveVisibleRegion().GetLargestRectangle();
} else {
// Drill down into RefLayers because that's what we particularly care about;
// layer construction for aLayer will not have known about the opaqueness
// of any RefLayer subtrees.
RefLayer* refLayer = aLayer->AsRefLayer();
if (refLayer) {
result = GetOpaqueRect(refLayer->GetFirstChild());
}
}
const nsIntRect* clipRect = aLayer->GetEffectiveClipRect();
if (clipRect) {
result.IntersectRect(result, *clipRect);
}
return result;
}
template<class ContainerT> void
ContainerRender(ContainerT* aContainer,
const nsIntPoint& aOffset,
@ -175,23 +143,6 @@ ContainerRender(ContainerT* aContainer,
continue;
}
if (i + 1 < children.Length() &&
layerToRender->GetLayer()->GetEffectiveTransform().IsIdentity()) {
LayerComposite* nextLayer = static_cast<LayerComposite*>(children.ElementAt(i + 1)->ImplData());
nsIntRect nextLayerOpaqueRect;
if (nextLayer && nextLayer->GetLayer()) {
nextLayerOpaqueRect = GetOpaqueRect(nextLayer->GetLayer());
}
if (!nextLayerOpaqueRect.IsEmpty()) {
nsIntRegion visibleRegion;
visibleRegion.Sub(layerToRender->GetShadowVisibleRegion(), nextLayerOpaqueRect);
layerToRender->SetShadowVisibleRegion(visibleRegion);
if (visibleRegion.IsEmpty()) {
continue;
}
}
}
nsIntRect clipRect = layerToRender->GetLayer()->
CalculateScissorRect(aClipRect, &aManager->GetWorldTransform());
if (clipRect.IsEmpty()) {