[Mesa-dev] GL_ARB_texture_query_lod

[Dave Airlie]

>>
>> The main problem is the spec uses the shader function textureQueryLOD,
>> and GLSL 4.00 uses textureQueryLod
>> and I doubt apps if they use this will bother with the pre-GLSL 4.00
>> version.
>
>
> Uh... that has to be a typo in one of the specs.  What do other
> implementations actually do?
>
> I'm pretty sure this was a "backport" extension that makes core
> functionality available as extension for older core versions.  In all of
> those extensions, the extension is supposed to be identical to the core...
> any deviations are bugs in the extension.
>
It splits from NV_gpu_shader_4_1, which I don't see a spec for anywhere abouts.

I only have fglrx here so I'll wait until I find an nvidia card to
test on, since fglrx
and compliance aren't great!

Dave.