[Mesa-dev] softpipe GL3 status

[Brian Paul]

On 01/07/2012 01:44 AM, Dave Airlie wrote:
>>
>> Let's add new opcodes for things like this.
>
> I'll add IABS.
>
>>>> cube shadow sampling, some reason ends up getting info from the
>>>> fallback texture
>>>
>>>
>>> Something in Gallium is probably deciding that GL_DEPTH_COMPONENT is
>>> invalid for a cubemap and marking it as incomplete.
>>
>>
>> Hmmm, I'm not sure what would be preventing cube textures in gallium or the
>> state tracker.
>
> Its only cube shadow stuff, cube stuff works fine, I'm sure it'll be
> obvious when I hit it.

It may be that the tgsi_exec.c code isn't passing all four components 
to the texture sampling code and/or the texture sampling code doesn't 
yet have code to do depth compare for cubes.

-Brian