Hello Sir,
> You will either want to make sure GLX is installed properly or compile
> with OpenGL support disabled
>
Ok I will check the GLX install again.
How to disable OpenGL support for 'rt'?
I need the 'rt' and 'rt -z1' to use OpenCL code. But in both the case I am
getting the same error. Is there any other way to test it for the time
being?
Regards
Shailesh
Shailesh Tripathi
B.Tech. Part-IV
Electronics Engineering
IIT-BHU (Varanasi)
On Sat, Mar 25, 2017 at 1:43 AM, Christopher Sean Morrison <brl...@mac.com>
wrote:
> Not necessarily. BRL-CAD has a variety of windowing methods including
> direct X11 (without OpenGL), GLX, and other methods. You will either want
> to make sure GLX is installed properly or compile with OpenGL support
> disabled (assuming it’s not needed for some other aspect of the OpenCL
> code).
>
> Cheers!
> Sean
>
>
> On Mar 24, 2017, at 1:10 PM, Shailesh Tripathi <shailesh.tripathi.ece13@
> itbhu.ac.in> wrote:
>
> If OpenGL libraries are not installed correctly then shouldn't there be
> issue with raytracer launched from graphics window also?
>
> Shailesh Tripathi
> B.Tech. Part-IV
> Electronics Engineering
> IIT-BHU (Varanasi)
>
> On Fri, Mar 24, 2017 at 10:36 PM, Shailesh Tripathi <
> shailesh.tripathi.ec...@itbhu.ac.in> wrote:
>
>> 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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>
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