[Piglit] [PATCH] arb_compute_shader: fix shared-atomics.comp

[Ilia Mirkin]

>From ARB_compute_shader:

Dependencies on OpenGL 4.3 and ARB_shader_storage_buffer_object

    If OpenGL 4.3 and ARB_shader_storage_buffer_object are not supported, the
    spec language adding the built-in functions atomicAdd(), atomicMin(),
    atomicMax(), atomicAnd(), atomicOr(), atomicXor(), atomicExchange(), and
    atomicCompSwap() should be considered to be incorporated into this
    extension as-is, except that buffer variables will not be supported and
    thus cannot be used with these functions.  No "#extension" directive is
    necessary to use these functions in compute shaders.

On Thu, Apr 27, 2017 at 11:19 AM, Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
> atomic*() functions require either GLSL 4.30 or
> GL_ARB_shader_storage_buffer_object.
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  tests/spec/arb_compute_shader/compiler/shared-atomics.comp | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/tests/spec/arb_compute_shader/compiler/shared-atomics.comp b/tests/spec/arb_compute_shader/compiler/shared-atomics.comp
> index 3835bee03..a4f4a6855 100644
> --- a/tests/spec/arb_compute_shader/compiler/shared-atomics.comp
> +++ b/tests/spec/arb_compute_shader/compiler/shared-atomics.comp
> @@ -6,6 +6,7 @@
>
>  #version 420
>  #extension GL_ARB_compute_shader: enable
> +#extension GL_ARB_shader_storage_buffer_object : enable
>
>  shared uint u;
>  shared int i;
> --
> 2.12.2
>
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