[Mesa-dev] GL_ARB_shader_texture_lod anyone looked?

[Marek Olšák]

I believe this has already been implemented and it resides in a user
repository somewhere on FDo...

-Marek

On Mon, Jun 7, 2010 at 4:45 PM, Brian Paul <brianp at vmware.com> wrote:

> Dave Airlie wrote:
>
>> I was just diffing fglrx and r300g output for my rv530 and this was on the
>> list.
>>
>> I'm wondering what we would need for this? does TGSI have the
>> necessary bits? I assume there would be a bit of work in the GLSL
>> compiler also.
>>
>
> It would mostly be GLSL work.
>
> We already have the underlying TXD instruction which takes the partial
> derivative operands.
>
> It shouldn't be too hard for someone to do - just follow the example of the
> existing GLSL texture() functions.
>
> -Brian
>
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