Bug 256989

Summary:	Allow CoreAnimation implicit transactions on the scrolling thread
Product:	WebKit	Reporter:	Matt Woodrow <mattwoodrow>
Component:	Layout and Rendering	Assignee:	Matt Woodrow <mattwoodrow>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	bfulgham, simon.fraser, webkit-bug-importer, zalan
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified
See Also:	https://bugs.webkit.org/show_bug.cgi?id=257840

Description Matt Woodrow 2023-05-18 15:02:24 PDT

The scrolling thread creates implicit CoreAnimation transactions (as intended, since tracking which wheel events might cause layer mutations in advance is tricky).

We should tell CoreAnimation to always allow them from our scrolling thread.

Comment 1 Matt Woodrow 2023-05-18 15:02:37 PDT

<rdar://109211223>

Comment 2 Matt Woodrow 2023-05-18 15:03:15 PDT

Pull request: https://github.com/WebKit/WebKit/pull/14037

Comment 3 EWS 2023-05-18 17:11:41 PDT

Committed 264224@main (66deadcc6fb0): <https://commits.webkit.org/264224@main>

Reviewed commits have been landed. Closing PR #14037 and removing active labels.