Bug 198018

Summary:

Keep using shared backing when overlap testing makes it possible

Product:

WebKit

Reporter:

Simon Fraser (smfr) <simon.fraser>

Component:

Compositing

Assignee:

Simon Fraser (smfr) <simon.fraser>

Status:

NEW

Severity:

Normal

CC:

simon.fraser

Priority:

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Testcase	none

Simon Fraser (smfr)

Reported 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.

Attachments
Testcase (1.04 KB, text/html) 2019-05-18 16:11 PDT, Simon Fraser (smfr)	no flags	Details
View All Add attachment proposed patch, testcase, etc.

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