[Piglit] [PATCH] arb_gpu_shader5: add a very basic gl_SampleMaskIn test

[Chris Forbes]

Reviewed-by: Chris Forbes <chrisf at ijw.co.nz>

On Fri, May 30, 2014 at 2:56 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> Just ensures that without any MS set up, the coverage mask is 1.
>
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
> ---
>
> Silly test, but was enough for me to trace what the blob did with it. As there
> are no other gl_SampleMaskIn tests, perhaps this is better than nothing?
>
>  .../execution/samplemaskin-basic.shader_test       | 24 ++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
>  create mode 100644 tests/spec/arb_gpu_shader5/execution/samplemaskin-basic.shader_test
>
> diff --git a/tests/spec/arb_gpu_shader5/execution/samplemaskin-basic.shader_test b/tests/spec/arb_gpu_shader5/execution/samplemaskin-basic.shader_test
> new file mode 100644
> index 0000000..a5fb2c5
> --- /dev/null
> +++ b/tests/spec/arb_gpu_shader5/execution/samplemaskin-basic.shader_test
> @@ -0,0 +1,24 @@
> +[require]
> +GLSL >= 1.50
> +GL_ARB_gpu_shader5
> +
> +[vertex shader passthrough]
> +
> +[fragment shader]
> +#extension GL_ARB_gpu_shader5 : enable
> +
> +out vec4 color;
> +
> +void main()
> +{
> +       color = vec4(1.0, 0.0, 0.0, 1.0);
> +
> +       /* No MS set up, should just be the current fragment. */
> +       if (gl_SampleMaskIn[0] == 1) {
> +               color.rg = vec2(0.0, 1.0);
> +       }
> +}
> +
> +[test]
> +draw rect -1 -1 2 2
> +probe all rgba 0.0 1.0 0.0 1.0
> --
> 1.8.5.5
>
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