[Bug 2549] New: Overlay, glXMakeCurrent fails

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https://bugs.freedesktop.org/show_bug.cgi?id=2549          
     
           Summary: Overlay, glXMakeCurrent fails
           Product: xorg
           Version: 6.8.2
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Lib/GLX
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: chris.horler at clara.co.uk


I can get an overlay visual, but I can't successfully call glXMakeCurrent on
that visual.  All glXMakeCurrent returns is False, which isn't very helpful in
diagnosing the problem.  Are the XErrorCodes implemented - I would have expected
the default handler to display something like a GLX error.

I am using fglrx, with the OpenGLOverlay option set in my X config file.

I don't really understand where ATIs work begins and ends on this - so I am
unable to conclusively state this is a problem with my hardware, their software
or GLX in general.

FYI 
glxinfo -t shows I have four overlay visuals (GLX_LEVEL 1)

I have noted the problem in a test application I wrote to try and diagnose a
similar problem I experience with the qt library.

fglrx overlay glXMakeCurrent qt GLX_LEVEL          
     
     
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