[Bug 32885] New: OpenGL windows are active only when the mouse is moved

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=32885

           Summary: OpenGL windows are active only when the mouse is moved
           Product: xorg
           Version: 7.5
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: n0nb at n0nb.us
         QAContact: xorg-team at lists.x.org


Created an attachment (id=41730)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=41730)
lspci -vvvvv output for dual-head X700 (RV410) card

I have a Radeon X700 dual-head card operating in ZaphodHeads mode.  I find that
any OpenGL program will only update its window when the mouse id moved, other
wise the window is halted.  For example, by continuously moving the mouse
glxgears can report about 59 frames per second.

In a short email exchange with Alex Deucher, I understand that direct rendering
is not currently supported across GPUs.  With dual-head and multi-head setups
becoming more common, I hope that direct rendering support across GPUs can be
implemented.

I am attaching the output of lspci -vvvvv and can provide other information
upon request.

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