Bug 198139

Summary: Fix scrolling tree state for more obscure combinations of positioning and paint order
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: New BugsAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal CC: koivisto, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=198188
Attachments:
Description Flags
Patch koivisto: review+

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+
DetailsFormatted DiffDiff
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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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