[Webkit-unassigned] [Bug 197695] fast/hidpi/video-controls-in-hidpi.html sometimes asserts in WK1 on older OS versions
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed May 8 21:24:07 PDT 2019
https://bugs.webkit.org/show_bug.cgi?id=197695
--- Comment #2 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
This code runs when we have a m_ancestorClippingLayer, and we make one based on the result of RenderLayerCompositor::clippedByAncestor(), which uses:
layer.backgroundClipRect(RenderLayer::ClipRectsContext(computeClipRoot, TemporaryClipRects)).isInfinite()
However, RenderLayerBacking::computeParentGraphicsLayerRect() is doing:
ShouldRespectOverflowClip shouldRespectOverflowClip = compositedAncestor->isolatesCompositedBlending() ? RespectOverflowClip : IgnoreOverflowClip;
RenderLayer::ClipRectsContext clipRectsContext(compositedAncestor, TemporaryClipRects, IgnoreOverlayScrollbarSize, shouldRespectOverflowClip);
LayoutRect parentClipRect = m_owningLayer.backgroundClipRect(clipRectsContext).rect(); // FIXME: Incorrect for CSS regions.
so 'shouldRespectOverflowClip' differs.
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