[GEM-dev] [ pd-gem-Feature Requests-2612731 ] glsl_geometry

[Matthias Neuenhofer]

Am 27.04.2009 um 12:33 schrieb IOhannes m zmoelnig:

> Matthias Neuenhofer wrote:
>>
>>>
>>> apart from that id don't know whether i can follow your problems  
>>> here.
>>> what are you trying to achieve with commenting out the 2 conditions?
>>> to not get an error "cannot load shader now! deferrubg till  
>>> later..."?
>> no i got the error "cannot load shader now" from this part when it  
>> has VERSION_2_1
>>  if(!GLEW_VERSION_2_0 && !GLEW_ARB_geometry_shader4) {
>>    post("cannot load shader now!");
>>    return;
>>  }
>> VERSION_2_0 work
>> so i dont understand why V_2_1 failed - openGL 2.1 and latest GLEW  
>> version 1.5.1 are installed
>
> but as i understand it: GL_VERSION_2_1 defines geometry shaders.  on  
> GL_VERSION_2_0 a card _could_ have the ARB extension; if either was  
> true (in your case at least the ARB extension is there) then the  
> checks should succeed.
> btw, i have simplified the code in svn a bit (using isRunnable()  
> which you didn't have to hack, so it seems like the new code might  
> work for you anyhow).

ja no problems with the new code compiled and run fine
>
>
> as for "latest GLEW" being installed, this doesn't really matter,  
> since Gem includes its own static version of GLEW.
>
> but if you have it installed, could you post the output of glewinfo?
>
>
>> at least the geometry_shader are functioning :)
>
>
> yep; that's all we want, isn't it?
>
> fgmasdr
> IOhannes