Bug 253477

Summary:	Use CAContext slots API to share IOSurfaces from the GPUP
Product:	WebKit	Reporter:	Matt Woodrow <mattwoodrow>
Component:	Layout and Rendering	Assignee:	Matt Woodrow <mattwoodrow>
Status:	NEW ---
Severity:	Normal	CC:	bfulgham, simon.fraser, webkit-bug-importer, zalan
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description Matt Woodrow 2023-03-06 17:11:54 PST

We should be able to pass IOSurfaces to CA via the slots API, and then just serialize the slot ID through the UI process, rather than use mach ports.

Comment 1 Radar WebKit Bug Importer 2023-03-06 17:12:14 PST

<rdar://problem/106335020>

Comment 2 Matt Woodrow 2023-03-06 18:04:20 PST

Pull request: https://github.com/WebKit/WebKit/pull/11143