Bug 254119

Summary:	[UI-side compositing] Avoid sync IPC with the GPU Process when there are no buffers to swap
Product:	WebKit	Reporter:	Simon Fraser (smfr) <simon.fraser>
Component:	WebKit Process Model	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

Description Simon Fraser (smfr) 2023-03-18 12:32:30 PDT

When we've allocated RemoteLayerBackingStore for the first time, there are no buffers, so there's no need to do the buffer swapping IPC with the GPU Process.

Comment 1 Radar WebKit Bug Importer 2023-03-18 12:32:48 PDT

<rdar://problem/106900111>

Comment 2 Simon Fraser (smfr) 2023-03-18 20:28:09 PDT

Pull request: https://github.com/WebKit/WebKit/pull/11686

Comment 3 EWS 2023-03-19 08:51:15 PDT

Committed 261838@main (8e6829b4efde): <https://commits.webkit.org/261838@main>

Reviewed commits have been landed. Closing PR #11686 and removing active labels.