Hello,
I am using centos 6.8
For OpenGL, should I install the libraries from mesa-libgl, GLEW or
freeglut?
Regards
Shailesh
Shailesh Tripathi
B.Tech. Part-IV
Electronics Engineering
IIT-BHU (Varanasi)
On Fri, Mar 24, 2017 at 10:29 PM, Vasco Alexandre da Silva Costa <
vasco.co...@gmail.com> wrote:
> Hello,
> A proper answer to your question requires more information to be provided.
> Which operating system and version are you using, if it's Linux which
> distro, etc.
>
> From the errors you got, it looks like you don't have OpenGL properly
> installed on your system.
>
> On Fri, Mar 24, 2017 at 4:27 PM, Shailesh Tripathi <
> shailesh.tripathi.ec...@itbhu.ac.in> wrote:
>
>> Hello,
>> I was trying this tutorial for learning mged "
>> http://brlcad.org/VolumeII-Introduction_to_MGED.pdf";. The raytrace works
>> as expected if launched from graphics window. But how to launch the same
>> from command window. I just typed 'rt' and it shows the following error:
>>
>>
>>
>> *Xlib: extension "GLX" missing on display ":0.0".Xlib: extension "GLX"
>> missing on display ":0.0".Xlib: extension "GLX" missing on display ":0.0".*
>>
>>
>>
>>
>> *fb_ogl_open: double buffering not available. Using single buffer.Xlib:
>> extension "GLX" missing on display ":0.0".Xlib: extension "GLX" missing on
>> display ":0.0".Xlib: extension "GLX" missing on display ":0.0".*
>>
>> *fb_ogl_open: Couldn't find an appropriate visual. Exiting.*
>>
>> *fb_open: can't open device "dev/ogl", ret=-1.*
>>
>> *rt: can't open frame buffer*
>> *Raytrace failed.*
>>
>> I have installed OpenGL on my system.
>>
>> Also, what changes do I need to make for using raytrace using "OpenCL"
>> with the command "*rt -z1*"
>>
>>
>> Regards
>> Shailesh Tripathi
>>
>> Shailesh Tripathi
>> B.Tech. Part-IV
>> Electronics Engineering
>> IIT-BHU (Varanasi)
>>
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>>
>
>
> --
> Vasco Alexandre da Silva Costa
> PhD in Computer Engineering (Computer Graphics)
> Instituto Superior Técnico/University of Lisbon, Portugal
>
> ------------------------------------------------------------
> ------------------
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>
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