Bug 197565

Summary: Don't use inclusive layers with more complex compositing scenarios
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: CompositingAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: simon.fraser
Priority: P2    
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on:    
Bug Blocks: 197561    
Description Flags
Example with z-index: -1 none

Description Simon Fraser (smfr) 2019-05-03 09:39:20 PDT
Need to make sure we don't use inclusive layers (or that we do and they behave correctly) when things like negative z-order layers trigger foreground layers, or when we have masking etc.
Comment 1 Simon Fraser (smfr) 2019-05-03 13:49:31 PDT
Created attachment 368979 [details]
Example with z-index: -1