On Sat, Sep 10, 2011 at 9:56 AM, Shanon Loughton <auto...@iinet.net.au>wrote:
> On Sat, Sep 10, 2011 at 9:43 PM, Kevin Van Workum <v...@sabalcore.com>wrote:
>
>>
>>> The roundabout way is: Set the environment variable LIBGL_ALWAYS_INDIRECT
>>> to "yes" in the shell you run the graphics application from.
>>>
>>
>> That does't have any effect for me.
>> $ rpm -q mesa-libGL
>> mesa-libGL-6.5.1-7.7.el5
>>
>>
>>> The permanent way is: On linux, you need replace mesa-glx with mesa-swx,
>>> on Ubuntu thats 'libgl1-mesa-swx' package which replaces 'libgl1-mesa
>>> -glx'.
>>>
>>
>> I'm on Centos 5 and don't seem to have mesa-glx nor can I find it or
>> mesa-swx in the standard repos. Any suggestions?
>>
>>
> its either $ export LIBGL_ALWAYS_INDIRECT=yes
> or
> $ export LIBGL_ALWAYS_SOFTWARE=1
> Although Im pretty sure they mean same thing, and yes | 1 | true are
> interchangeable values.
>
> What are your symptoms? blank screen/window? If so, then maybe try "vglrun
> -d $DISPLAY app_name" even though you've got turbovnc on the right display,
> the mesa is rendering to another display and vglrun may help getting it onto
> the vnc one...
>
In my TurboVNC display (:1) I see the when running my app (VMD):
ERROR) The X server does not support the OpenGL GLX extension. Exiting ...
Info) Unable to create OpenGL window.
"glxinfo -display :0" reports:
direct rendering: No
glxinfo -display :1 says:
Xlib: extension "GLX" missing on display ":1.0".
Error: couldn't find RGB GLX visual
and "vglrun -d :0 glxinfo -display :1" complained:
Error: couldn't find RGB GLX visual
which makes sense since I don't have Pbuffer support.
But still can't get my OpenGL to work on TurboVNC using your suggestions.
>
> Shanon
>
>
>
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Kevin Van Workum, PhD
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