Bug 198018 - Keep using shared backing when overlap testing makes it possible
Summary: Keep using shared backing when overlap testing makes it possible
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:
 
Reported: 2019-05-18 16:11 PDT by Simon Fraser (smfr)
Modified: 2019-05-18 16:11 PDT (History)
1 user (show)

See Also:

Attachments
Testcase (1.04 KB, text/html)
2019-05-18 16:11 PDT, Simon Fraser (smfr) 		no flags Details
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Description Simon Fraser (smfr) 2019-05-18 16:11:37 PDT 
Created attachment 370201 [details]
Testcase

In the test case, a single composited layer kicks later siblings out of backing sharing, but they should be able to share because they don't overlap the composited layer.