[Webkit-unassigned] [Bug 119571] New: [GTK] Accelerated compositing results in incorrect rendering of the media controllers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=119571

           Summary: [GTK] Accelerated compositing results in incorrect
                    rendering of the media controllers
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: agomez at igalia.com
                CC: mrobinson at webkit.org, calvaris at igalia.com


When playing some multimedia content in WebKitGtk+ 1 or 2 with accelerated compositing enabled we can see problems on the rendered media controllers.

Incorrect rendering:
$ WebKitBuild/Release/Programs/MiniBrowser ./Tools/iExploder/iexploder-1.7.2/src/media/blank.ogg
$ WebKitBuild/Release/Programs/GtkLauncher --enable-accelerated-compositing=TRUE ./Tools/iExploder/iexploder-1.7.2/src/media/blank.ogg

Correct rendering:
$ WebKitBuild/Release/Programs/GtkLauncher ./Tools/iExploder/iexploder-1.7.2/src/media/blank.ogg

The problems are even more obvious with short media clips.
$ WebKitBuild/Release/Programs/MiniBrowser ./Source/WebKit/gtk/tests/resources/test.ogg

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