[Mesa-dev] Mesa (master): draw: fix flat shading and screen-space linear interpolation in clipper

Olivier Galibert galibert at pobox.com
Wed Jul 11 05:15:38 PDT 2012

On Wed, Jul 11, 2012 at 12:51:32PM +0200, Marek Ol??ák wrote:
> Dude, you should really learn GLSL. The idea to emulate integers is
> even older than the GLSL itself. It first appeared in HLSL and NVIDIA
> Cg on hardware that wasn't even GL2-capable.

I'm learning 3.30+, which is what I consider useful now :-) But that
makes it a little harder to remember what appeared when.

> >From the GLSL 1.2 spec:
> "The uniform qualifier can be used with any of the basic data types,
> ...", then the section 4.1 lists the basic data types (like ivec4).

Fuck, damn.  Yes, we do have a problem.


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