[Piglit] [PATCH] add tests for using immediates in common operations

[Ilia Mirkin]

On Mon, Apr 23, 2018 at 4:49 PM, Eric Anholt <eric at anholt.net> wrote:
> Ilia Mirkin <imirkin at alum.mit.edu> writes:
>
>> NVIDIA hardware has "short" immediates, and some instructions have both
>> long and short immediate variants. Nouveau was picking the wrong one
>> under certain conditions. This adds tests which are likely to cause
>> these kinds of issues to surface in a backend.
>
> My only concern is the integer multiply tests on non-native-integer
> hardware or things where the number of integer bits is too small.  That
> said, whoever tries to support one of those will have plenty of problems
> already and need to define some shader_runner precision requirement
> annotations.
>
> Reviewed-by: Eric Anholt <eric at anholt.net>

Hmmm ... I didn't think of that. Should I bump these up to GLSL 1.30?
I don't think you could do GLSL 1.30 without proper integers.