[Webkit-unassigned] [Bug 243838] New: GPUP deadlock shutting down RemoteRenderingBackend while drawing a MediaPlayer

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=243838

            Bug ID: 243838
           Summary: GPUP deadlock shutting down RemoteRenderingBackend
                    while drawing a MediaPlayer
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kkinnunen at apple.com
                CC: dino at apple.com, webkit-bug-importer at group.apple.com

GPUP deadlock shutting down RemoteRenderingBackend while drawing a MediaPlayer

1. When shutting down RRB, GPUP main thread waits until the cleanup task has run
2. When drawing a media player, RRB work thread waits until the main thread has run the video player paint 

Solution is to run media players in a work queue

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