Game support

[James Perry]

>>From what I can see, the culprit would be this :
> 
> trace:opengl:X11DRV_SwapBuffers (0x403d55e0)
> trace:opengl:wglMakeCurrent ((nil),(nil))
> X Error of failed request:  GLXBadDrawable
> 
> As the glXSwapBuffers call may return before the buffer swap is actually
> done in hardware, it may happen that the driver does not handle properly an
> application which unsets the current context before the actual swap is done
> in the background.
> 
> Could you try to see if the attached 'hack' fixes the issue ? If yes, this
> may be a bug in NVIDIA's GL drivers, if not, we will need to investigate a
> bit more :-)
> 
Thanks for that Lionel - unfortunately it's still doing
the same thing even with your patch. I'm not sure what
to try next...

Cheers,
James