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Bug 1574745 - Respect render target clip during DrawGeometry culling and overdraw pixel counting. r=mattwoodrow

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Differential Revision: https://phabricator.services.mozilla.com/D43869

--HG--
extra : moz-landing-system : lando
This commit is contained in:
Markus Stange 2019-08-30 19:51:37 +00:00
parent c3ccb5e5ca
commit 4bcd4b8795
1 changed files with 7 additions and 7 deletions
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14
gfx/layers/opengl/CompositorOGL.cpp
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@ -1290,11 +1290,15 @@ void CompositorOGL::DrawGeometry(const Geometry& aGeometry,
IntPoint offset = mCurrentRenderTarget->GetOrigin();
IntSize size = mCurrentRenderTarget->GetSize();
Rect renderBound(mCurrentRenderTarget->GetRect());
// Convert aClipRect into render target space.
// Convert aClipRect into render target space, and intersect it with the
// render target's clip.
IntRect clipRect = aClipRect + mCurrentRenderTarget->GetClipSpaceOrigin();
renderBound.IntersectRect(renderBound, Rect(clipRect));
if (Maybe<IntRect> rtClip = mCurrentRenderTarget->GetClipRect()) {
clipRect = clipRect.Intersect(*rtClip);
}
Rect renderBound(mCurrentRenderTarget->GetRect().Intersect(clipRect));
Rect destRect = aTransform.TransformAndClipBounds(aRect, renderBound);
@ -1333,10 +1337,6 @@ void CompositorOGL::DrawGeometry(const Geometry& aGeometry,
clipRect = clipRect.Intersect(RoundedOut(maskBounds));
}
if (Maybe<IntRect> rtClip = mCurrentRenderTarget->GetClipRect()) {
clipRect = clipRect.Intersect(*rtClip);
}
// Move clipRect into device space.
clipRect -= offset;