[Piglit] [PATCH] shader_runner: Use %u in "probe atomic counter" scanf calls.

[Ilia Mirkin]

On Wed, Jun 1, 2016 at 1:49 AM, Kenneth Graunke <kenneth at whitecape.org> wrote:
> On Wednesday, June 1, 2016 1:34:42 AM PDT Ilia Mirkin wrote:
>> Because strtol() truncates the the maximum value of "long", as does
>> scanf apparently. This will make it impossible to test that a counter
>> == -1 though, right?
>
> Yes, I suppose it would.  But you can always do == 4294967295 instead,
> and that seems pretty reasonable (if a bit inconvenient) considering
> the GLSL type is "atomic_uint"...

Fair enough. For ssbo I made it read 0xfoo for those. And there's already a

tests/spec/arb_compute_shader/execution/atomic-counter.shader_test:probe
atomic counter 1 == 4294966784

So what you're doing seems reasonable.

Reviewed-by: Ilia Mirkin <imirkin at alum.mit.edu>