[Mesa-dev] [PATCH] ir_to_mesa: Don't optimize clamp into saturate when target is GL_VERTEX_PROGRAM_ARB

[Matt Turner]

On Thu, Nov 27, 2014 at 12:45 AM, Abdiel Janulgue
<abdiel.janulgue at linux.intel.com> wrote:
> Add the the same restriction as in the previous try_emit_sat when trying
> to optimize clamp. Fixes an infinite loop in swrast where the lowering
> pass unpacks saturate into clamp but the opt_algebraic pass tries to do
> the opposite.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83463

Did you see Ken's comment in the bug?

https://bugs.freedesktop.org/show_bug.cgi?id=83463#c3