[Piglit] [PATCH 2/2] arb_gpu_shader5: add invocation-id-basic.shader_test

[Anuj Phogat]

On Tue, Jan 21, 2014 at 11:47 AM, Jordan Justen
<jordan.l.justen at intel.com> wrote:
> Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
> ---
>  .../invocation-id-basic.shader_test                | 53 ++++++++++++++++++++++
>  1 file changed, 53 insertions(+)
>  create mode 100644 tests/spec/arb_gpu_shader5/invocation-id-basic.shader_test
>
> diff --git a/tests/spec/arb_gpu_shader5/invocation-id-basic.shader_test b/tests/spec/arb_gpu_shader5/invocation-id-basic.shader_test
> new file mode 100644
> index 0000000..bd516e5
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/invocation-id-basic.shader_test
> @@ -0,0 +1,53 @@
> +[require]
> +GLSL >= 1.50
> +GL_ARB_gpu_shader5
> +
> +[vertex shader]
> +#version 150
> +
> +void main()
> +{
> +}
> +
> +[geometry shader]
> +#version 150
> +#extension GL_ARB_gpu_shader5 : enable
> +
> +layout(invocations = 4, points) in;
> +layout(triangle_strip, max_vertices = 4) out;
> +
> +void emit(vec2 v2)
> +{
> +  gl_Position.xy = v2;
> +  gl_Position.zw = vec2(0, 1);
> +  EmitVertex();
> +}
> +
> +void main()
> +{
> +  uint i = gl_InvocationID;
> +
> +  vec2 v;
> +  v.x = -1.0 + float(i & 1u);
> +  v.y = -1.0 + float((i & 2u) / 2u);
> +
> +  emit(v);
> +  emit(v + vec2(1, 0));
> +  emit(v + vec2(0, 1));
> +  emit(v + vec2(1, 1));
> +  EndPrimitive();
> +}
> +
> +[fragment shader]
> +#version 150
> +
> +void main()
> +{
> +  gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
> +}
> +
> +[test]
> +clear color 0.0 0.0 0.0 0.0
> +clear
> +draw arrays GL_POINTS 0 1
> +probe all rgba 0.0 1.0 0.0 1.0
> --
> 1.8.5.3
>
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Verified the test on AMD. Both the patches are:
Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>