Bug 196039

Summary: Detect when layers can behave as a stacking container, to reduce layer explosion
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: CompositingAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: koivisto, simon.fraser, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Simon Fraser (smfr)
Reported 2019-03-20 15:37:25 PDT
In some cases it's beneficial to treat layer as a CSS stacking context even if it isn't one, so that we create fewer descendant compositing layers. This will involve bringing back code similar to the code I removed in r236424 and r236611.
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Radar WebKit Bug Importer
Comment 1 2019-03-20 15:37:43 PDT
<rdar://problem/49082455>
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