Re: Anyone feel like looking up glGet constant return sizes?

On 14-04-03 05:53 AM, Walter White wrote:
> I hope this is what you are looking for...just asked the OpenGL IRC.
> They told me they are listed in the xml files in this folder
>
> https://cvs.khronos.org/svn/repos/ogl/trunk/doc/registry/public/api/
>
> and can be parsed.
>
> Or in glcorearb.h
> https://cvs.khronos.org/svn/repos/ogl/trunk/doc/registry/public/api/GL/glcorearb.h
>
> Hope that helps,
>
> Walter
It did help, as it reminded me that the enum-groups are present in the 
xml files, so I can be sure we get all of the constants groups/tracked. 
However the xml files don't specify the *sizes* of the result arrays. 
That is, there's a notation saying CALCSIZE() in the xml files, but 
nothing I can see that tells you what the CALCSIZE() operation should do 
given a particular parameter.

I suppose we could have a fallback path where we did what PyOpenGL 1.x 
did, namely allocate a huge buffer, fill it with an obscure value, and 
count how many values are not set to the obscure value on completion. 
That feels pretty gross, though.

Thanks,
Mike

-- 
________________________________________________
   Mike C. Fletcher
   Designer, VR Plumber, Coder
   http://www.vrplumber.com
   http://blog.vrplumber.com


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