On Fri, Sep 9, 2011 at 9:20 PM, Shanon Loughton <auto...@iinet.net.au>wrote:

> Hi Kevin
>
> On Sat, Sep 10, 2011 at 3:00 AM, Kevin Van Workum <v...@sabalcore.com>wrote:
>
>>
>> Is it possible to use turbovnc server without VirtualGL and still be able
>> to run OpenGL applications? It works fine with tightvnc.
>>
>>
> Yes. Although I dont think installing both VirtualGL + TurboVNC offer
> much/any advantage.  TurboVNC by itself with libjpeg-turbo compression is
> prob the reason I would use over other VNCs.
>

TurboVNC by it self would be an improvement for me in the short term. Long
term, I will eventually want to add VirtualGL, but my concerns right now are
related to security issues. I'll have to wait to resolve these when I have
more time.


>
> 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?


> I dont really understand mesa fully yet, but mesa-glx will try to render on
> hardware and if it doesnt find any then indirectly to software, or not at
> all in some cases. It didnt find any 3d hardware so it went indirect in your
> case.
>
> Install the swx and glxinfo will show to "direct rendering: yes".  Your
> opengl app should run normally in TurboVNC (without invoking vglrun)
>
> hth
> Shanon
>
>
>
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Kevin Van Workum, PhD
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Malware Security Report: Protecting Your Business, Customers, and the 
Bottom Line. Protect your business and customers by understanding the 
threat from malware and how it can impact your online business. 
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