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[CSS Blending] Compositing requirements for blending are not computed correctly https://bugs.webkit.org/show_bug.cgi?id=130664 Patch by Ion Rosca <rosca@adobe.com> on 2014-04-02 Reviewed by Dean Jackson. Source/WebCore: Tests: css3/compositing/blend-mode-accelerated-with-multiple-stacking-contexts.html css3/compositing/blend-mode-with-accelerated-sibling.html Compositing requirements for blending: if a layer having blend mode other than normal is composited for any reason, its closest stacking context ancestor should be composited as well. * rendering/RenderLayer.cpp: (WebCore::RenderLayer::RenderLayer): * rendering/RenderLayer.h: added a new field, m_hasUnisolatedCompositedBlendingDescendants, which is true if the layer has composited blending descendants not isolated by any stacking context child; added a new method: isolatesCompositedBlending(), which is true if we should accelerate that layer in order to perform isolation correctly. * rendering/RenderLayerCompositor.cpp: (WebCore::CompositingState::CompositingState): m_subtreeHasBlending was renamed m_hasUnisolatedCompositedBlendingDescendants in order to be more self-explanatory. (WebCore::RenderLayerCompositor::computeCompositingRequirements): computes the isolation requirements for composited blending by (re)setting RenderLayer::m_hasUnisolatedCompositedBlendingDescendants flag. (WebCore::RenderLayerCompositor::reasonsForCompositing): fixed the reason of compositing: isolation instead of blending. (WebCore::RenderLayerCompositor::requiresCompositingForIndirectReason): * rendering/RenderLayerCompositor.h: LayoutTests: * css3/compositing/blend-mode-accelerated-with-multiple-stacking-contexts-expected.txt: Added. * css3/compositing/blend-mode-accelerated-with-multiple-stacking-contexts.html: Added. * css3/compositing/blend-mode-with-accelerated-sibling-expected.txt: Added. * css3/compositing/blend-mode-with-accelerated-sibling.html: Added. Canonical link: https://commits.webkit.org/149138@main git-svn-id: https://svn.webkit.org/repository/webkit/trunk@166634 268f45cc-cd09-0410-ab3c-d52691b4dbfc
2014-04-02 07:30:52 +00:00
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Additional re-baselining for anchor point after http://trac.webkit.org/changeset/168244 * compositing/contents-opaque/control-layer-expected.txt: * css3/compositing/blend-mode-accelerated-with-multiple-stacking-contexts-expected.txt: * css3/compositing/blend-mode-ancestor-clipping-layer-expected.txt: * css3/compositing/blend-mode-blended-element-overlapping-composited-sibling-should-have-compositing-layer-expected.txt: * css3/compositing/blend-mode-parent-of-composited-blended-has-layer-expected.txt: * css3/compositing/blend-mode-with-accelerated-sibling-expected.txt: * css3/compositing/blend-mode-with-composited-descendant-should-have-layer-expected.txt: * css3/filters/filtered-compositing-descendant-expected.txt: Canonical link: https://commits.webkit.org/150567@main git-svn-id: https://svn.webkit.org/repository/webkit/trunk@168246 268f45cc-cd09-0410-ab3c-d52691b4dbfc
2014-05-04 21:16:56 +00:00
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[CSS Blending] Compositing requirements for blending are not computed correctly https://bugs.webkit.org/show_bug.cgi?id=130664 Patch by Ion Rosca <rosca@adobe.com> on 2014-04-02 Reviewed by Dean Jackson. Source/WebCore: Tests: css3/compositing/blend-mode-accelerated-with-multiple-stacking-contexts.html css3/compositing/blend-mode-with-accelerated-sibling.html Compositing requirements for blending: if a layer having blend mode other than normal is composited for any reason, its closest stacking context ancestor should be composited as well. * rendering/RenderLayer.cpp: (WebCore::RenderLayer::RenderLayer): * rendering/RenderLayer.h: added a new field, m_hasUnisolatedCompositedBlendingDescendants, which is true if the layer has composited blending descendants not isolated by any stacking context child; added a new method: isolatesCompositedBlending(), which is true if we should accelerate that layer in order to perform isolation correctly. * rendering/RenderLayerCompositor.cpp: (WebCore::CompositingState::CompositingState): m_subtreeHasBlending was renamed m_hasUnisolatedCompositedBlendingDescendants in order to be more self-explanatory. (WebCore::RenderLayerCompositor::computeCompositingRequirements): computes the isolation requirements for composited blending by (re)setting RenderLayer::m_hasUnisolatedCompositedBlendingDescendants flag. (WebCore::RenderLayerCompositor::reasonsForCompositing): fixed the reason of compositing: isolation instead of blending. (WebCore::RenderLayerCompositor::requiresCompositingForIndirectReason): * rendering/RenderLayerCompositor.h: LayoutTests: * css3/compositing/blend-mode-accelerated-with-multiple-stacking-contexts-expected.txt: Added. * css3/compositing/blend-mode-accelerated-with-multiple-stacking-contexts.html: Added. * css3/compositing/blend-mode-with-accelerated-sibling-expected.txt: Added. * css3/compositing/blend-mode-with-accelerated-sibling.html: Added. Canonical link: https://commits.webkit.org/149138@main git-svn-id: https://svn.webkit.org/repository/webkit/trunk@166634 268f45cc-cd09-0410-ab3c-d52691b4dbfc
2014-04-02 07:30:52 +00:00
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