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Bug 1128934 - Avoid calling GetClientBounds from BasicComposior. r=roc, karlt

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This commit is contained in:
Nicolas Silva
2015-02-14 12:37:32 +01:00
parent 5385b6f957
commit ff457ea683
4 changed files with 27 additions and 8 deletions
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11
gfx/layers/basic/BasicCompositor.cpp
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@@ -391,18 +391,13 @@ BasicCompositor::BeginFrame(const nsIntRegion& aInvalidRegion,
gfx::Rect *aClipRectOut /* = nullptr */,
gfx::Rect *aRenderBoundsOut /* = nullptr */)
{
nsIntRect intRect;
mWidget->GetClientBounds(intRect);
mWidgetSize = gfx::ToIntSize(intRect.Size());
// The result of GetClientBounds is shifted over by the size of the window
// manager styling. We want to ignore that.
intRect.MoveTo(0, 0);
mWidgetSize = mWidget->GetClientSize();
IntRect intRect = gfx::IntRect(IntPoint(), mWidgetSize);
Rect rect = Rect(0, 0, intRect.width, intRect.height);
// Sometimes the invalid region is larger than we want to draw.
nsIntRegion invalidRegionSafe;
invalidRegionSafe.And(aInvalidRegion, intRect);
invalidRegionSafe.And(aInvalidRegion, gfx::ThebesIntRect(intRect));
nsIntRect invalidRect = invalidRegionSafe.GetBounds();
mInvalidRect = IntRect(invalidRect.x, invalidRect.y, invalidRect.width, invalidRect.height);