Re: [Mesa3d-dev] NV_vertex_program parser / code generator

[Gareth H. <ga...@va...>]

Jeff Epler wrote:
> 
> By the way, can someone tell me what the DST instruction is good for?
> I don't recall seeing it used in any of their example vector shader
> snippets.

It computes the distance attenuation vector from two scalars.  Result is
(1, d, d^2, 1/d).

-- Gareth