RESOLVED FIXED Bug 198139
Fix scrolling tree state for more obscure combinations of positioning and paint order 
https://bugs.webkit.org/show_bug.cgi?id=198139
Summary Fix scrolling tree state for more obscure combinations of positioning and pai...
Simon Fraser (smfr)
Reported 2019-05-22 14:45:10 PDT
Fix scrolling tree state for more obscure combinations of positioning and paint order
Attachments
Patch (22.27 KB, patch)
2019-05-22 14:50 PDT, Simon Fraser (smfr) 		koivisto: review+
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Simon Fraser (smfr)
Comment 1 2019-05-22 14:50:19 PDT
Created attachment 370447 [details] Patch
Antti Koivisto
Comment 2 2019-05-22 15:08:35 PDT
Comment on attachment 370447 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=370447&action=review > Source/WebCore/rendering/RenderLayerCompositor.cpp:1800 > +// This is a simplified version of containing block walking that only handles absolute position. > +static AncestorTraversal traverseAncestorLayers(const RenderLayer& layer, const WTF::Function<AncestorTraversal(const RenderLayer&, bool inContainingBlockChain, bool isPaintOrderAncestor)>& ancestorFunc) Using template argument instead of WTF::Function would avoid unnecessary virtual function calls.
Simon Fraser (smfr)
Comment 3 2019-05-22 15:58:43 PDT
https://trac.webkit.org/r245656
Radar WebKit Bug Importer
Comment 4 2019-05-22 15:59:25 PDT
<rdar://problem/51046303>
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