Bug 253011

Summary:	[UI-side compositing] Lock CALayer tree for scrolling thread hit-testing
Product:	WebKit	Reporter:	Simon Fraser (smfr) <simon.fraser>
Component:	Scrolling	Assignee:	Simon Fraser (smfr) <simon.fraser>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	simon.fraser, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Local Build
Hardware:	Unspecified
OS:	Unspecified
Bug Depends on:	253836
Bug Blocks:

Description Simon Fraser (smfr) 2023-02-27 11:31:20 PST

RemoteScrollingTreeMac::eventListenerRegionTypesForPoint() will use the CALayer tree off the main thread, so we should lock around this, and layer tree commits.

Comment 1 Radar WebKit Bug Importer 2023-02-27 11:32:16 PST

<rdar://problem/105987016>

Comment 2 Simon Fraser (smfr) 2023-03-10 15:38:12 PST

Pull request: https://github.com/WebKit/WebKit/pull/11387

Comment 3 Simon Fraser (smfr) 2023-03-30 15:59:40 PDT

https://commits.webkit.org/261543@main