Re: [PATCH] gnu: mesa: Enable floating point textures.

[Ludovic Courtès]

"Thompson, David" <address@hidden> skribis:

> With this patch, I'm finally able to run programs that require OpenGL
> 3.0 when using a Nouveau powered GPU.  Floating point textures are
> disabled by default in Mesa due to patent concerns.  I assume that
> it's okay to include this in Guix because it's similar to how we
> include lame despite MP3 being patent encumbered.  Please correct me
> if I'm wrong! ;)

The FSDG leaves it up to us to decide what to do:

  https://www.gnu.org/distros/free-system-distribution-guidelines.html#patents

I’d argue that it’s fine to enable the code in question, as was
discussed recently for another package.

> From 1a8de1631ec4d538bdb9caa8b623e8bb62a6c203 Mon Sep 17 00:00:00 2001
> From: David Thompson <address@hidden>
> Date: Sat, 12 Nov 2016 17:59:16 -0500
> Subject: [PATCH] gnu: mesa: Enable floating point textures.
>
> * gnu/packages/gl.scm (mesa): Add --enable-texture-float to configure flags.

So if there are no objections, I think this can go in.

Per
<https://lists.gnu.org/archive/html/guix-devel/2016-10/msg00933.html>,
this would go to a new ‘staging’ branch.

Thanks,
Ludo’.