Re: [VirtualGL-Users] extension "GLX" missing on display
3D Without Boundaries
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From: Jose R. <jos...@gm...> - 2009-11-21 10:38:35
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2009/11/21 DRC <dco...@us...>: > Not having accelerated 3D drivers installed is the most obvious cause of > that VirtualGL error message. Just because GLX exists doesn't mean that > Pbuffers are available. In general, you have to install the vendor > drivers for the 3D graphics card in order to get Pbuffers. The output > of '/opt/VirtualGL/bin/glxinfo -display :0 -c' will tell you whether or > not any Pbuffer visuals exist (look for a 'P' in the last column on any > of the visuals.) Ah, then I guess that is the cause of the problem. I don't see any 'Ps' in the output of that command. Which is strange, for I showed the output of glxinfo in the Xorg IRC channel and been told that the card/driver supports pbuffers. Definitely I have 3D acceleration up and running. Telling vglrun which display to attach to doesn't make much of a difference, on display :0 it gives me the warnings and the error messages below. On display :1 (the one the VNC server is using) it complains (understandably now that I think about it) that 'GLX is missing'. >> When I try /opt/VirtualGL/bin/vglrun glxgears I obtain: >> >> [VGL] WARNING: VirtualGL attempted and failed to obtain a Pbuffer-enabled >> [VGL] 24-bit visual on the 3D X server :0. If the application >> [VGL] subsequently fails, then make sure that the 3D X server is configured >> [VGL] for 24-bit color and has accelerated 3D drivers installed. >> Error: couldn't get an RGB, Double-buffered visual |