[Webkit-unassigned] [Bug 244830] New: Support transferring GPU-backed ImageBitmaps between main thread and workers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=244830

            Bug ID: 244830
           Summary: Support transferring GPU-backed ImageBitmaps between
                    main thread and workers
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mattwoodrow at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com
        Depends on: 244828
            Blocks: 218482

When serialising a GPUP-backed ImageBitmap (or an OffscreenCanvas) between the main thread and the worker thread, we need to change it to use the appropriate RemoteRenderingBackendProxy for that thread.


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=218482
[Bug 218482] [GPU Process] Enable worker based ImageBitmap and OffscreenCanvas drawing to use GPU Process rendering
https://bugs.webkit.org/show_bug.cgi?id=244828
[Bug 244828] Expose WebKit graphics functionality to WebCore worker threads
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