[Webkit-unassigned] [Bug 100920] New: [Cairo] [TextureMapper] WebGL does not clear buffer after one frame is composited in TextureMapperGL

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=100920

           Summary: [Cairo] [TextureMapper]  WebGL does not clear buffer
                    after one frame is composited in TextureMapperGL
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: http://aleksandarrodic.com/p/jellyfish/
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Minor
          Priority: P2
         Component: WebGL
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ys.suh at lge.com


Since the paintToTextureMapper method just return after drawing WebGL texture to compositing layer, uncleared features remain on next frame.
Test page: http://aleksandarrodic.com/p/jellyfish/ 
I mainly tested this on GTK port and this also occurs on QT port which uses TextureMapperGL.

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