Bug 258379

Summary:	Lazily allocate the SharedVideoFrameWriter in RemoteDisplayListRecorderProxy
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, youennf
Priority:	P2	Keywords:	InRadar
Version:	Safari 16
Hardware:	Unspecified
OS:	Unspecified
See Also:	https://bugs.webkit.org/show_bug.cgi?id=262380

Simon Fraser (smfr)

Reported 2023-06-21 17:50:57 PDT

Every RemoteImageBufferProxy gets a SharedVideoFrameWriter, but only very few use it, and it has creation/destruction cost because it owns an IPC::Semaphore.

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Radar WebKit Bug Importer

Comment 1 2023-06-21 17:51:18 PDT

<rdar://problem/111133625>

Simon Fraser (smfr)

Comment 2 2023-06-21 17:54:05 PDT

Pull request: https://github.com/WebKit/WebKit/pull/15170

EWS

Comment 3 2023-06-22 15:03:17 PDT

Committed 265427@main (e97b0792a67c): <https://commits.webkit.org/265427@main> Reviewed commits have been landed. Closing PR #15170 and removing active labels.

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