Bug 197595 - Need to disable layer sharing when a "late" compositing reason trumps overlap
Summary: Need to disable layer sharing when a "late" compositing reason trumps overlap
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: Compositing (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Simon Fraser (smfr)
URL:
Keywords:
Depends on:
Blocks: 197561
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Reported: 2019-05-04 19:21 PDT by Simon Fraser (smfr)
Modified: 2019-05-04 19:21 PDT (History)
1 user (show)

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Description Simon Fraser (smfr) 2019-05-04 19:21:21 PDT 
We currently fall into layer sharing when a layer is composited for an "overlap" reason. But after traversing descendants, we may find that we have to composite for overlap, in which case we need to undo the sharing.