[Grosvenor]

> Not a problem for me, but every SGI out there is fixed function only.

Is that true? I remember sgi had a shader library for modeling light aimed at the automotive market. All the demos and examples were showing off car paint colours in different environments.

[ThatGuyRaion]

SGIs that matter (MIPS, etc)

IRIX only supports about OpenGL 1.2. It does have a fragment shading extension though:

https://tech-pubs.net/reputable-archive/fragment_lighting.tx...