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Backout d1a44d2ec5c3 due to missing r=

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This commit is contained in:
Chris Lord 2012-05-23 09:45:51 +01:00
parent 62d6014cc8
commit f027a641a8
1 changed files with 5 additions and 10 deletions
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15
layout/ipc/RenderFrameParent.cpp
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@ -72,10 +72,10 @@ static void Scale(gfx3DMatrix& aTransform, double aXScale, double aYScale)
aTransform._22 *= aYScale;
}
static void ReverseTranslate(gfx3DMatrix& aTransform, const gfxPoint& aOffset)
static void ReverseTranslate(gfx3DMatrix& aTransform, ViewTransform& aViewTransform)
{
aTransform._41 -= aOffset.x;
aTransform._42 -= aOffset.y;
aTransform._41 -= aViewTransform.mTranslation.x / aViewTransform.mXScale;
aTransform._42 -= aViewTransform.mTranslation.y / aViewTransform.mYScale;
}
@ -278,16 +278,11 @@ TransformShadowTree(nsDisplayListBuilder* aBuilder, nsFrameLoader* aFrameLoader,
if (aLayer->GetIsFixedPosition() &&
!aLayer->GetParent()->GetIsFixedPosition()) {
// Alter the shadow transform of fixed position layers in the situation
// that the view transform's scroll position doesn't match the actual
// scroll position, due to asynchronous layer scrolling.
float offsetX = layerTransform.mTranslation.x / layerTransform.mXScale;
float offsetY = layerTransform.mTranslation.y / layerTransform.mYScale;
ReverseTranslate(shadowTransform, gfxPoint(offsetX, offsetY));
ReverseTranslate(shadowTransform, layerTransform);
const nsIntRect* clipRect = shadow->GetShadowClipRect();
if (clipRect) {
nsIntRect transformedClipRect(*clipRect);
transformedClipRect.MoveBy(-offsetX, -offsetY);
transformedClipRect.MoveBy(shadowTransform._41, shadowTransform._42);
shadow->SetShadowClipRect(&transformedClipRect);
}
}