[Webkit-unassigned] [Bug 198567] New: [GStreamer] Crash in MediaPlayerPrivateGStreamerBase::ensureGstGLContext

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=198567

            Bug ID: 198567
           Summary: [GStreamer] Crash in
                    MediaPlayerPrivateGStreamerBase::ensureGstGLContext
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at igalia.com
                CC: bugs-noreply at webkitgtk.org

MediaPlayerPrivateGStreamerBase::ensureGstGLContext is currently a guaranteed crash because it expects PlatformDisplay::sharedDisplayForCompositing() to return a PlatformDisplayLibWPE if compiled with USE(WPE_RENDERER), but PlatformDisplayLibWPE has lower precedence than PlatformDisplayX11 and PlatformDisplayWayland. When running our layout tests with run-webkit-tests --gtk, it's guaranteed to be a PlatformDisplayX11.

I think Carlos was clearly expecting PlatformDisplayLibWPE, so I don't know what the ideal desired behavior is, but the crashes go away if we change the code to allow any type of PlatformDisplay. This should hopefully fix our bots, which are still exiting early.

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