[Piglit] [PATCH] literal-varyings: new test for a radeonsi optimization

[Nicolai Hähnle]

Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>

On 19.10.2016 22:20, Marek Olšák wrote:
> From: Marek Olšák <marek.olsak at amd.com>
>
> ---
>  .../execution/literal-varyings.shader_test         | 43 ++++++++++++++++++++++
>  1 file changed, 43 insertions(+)
>  create mode 100644 tests/spec/glsl-1.20/execution/literal-varyings.shader_test
>
> diff --git a/tests/spec/glsl-1.20/execution/literal-varyings.shader_test b/tests/spec/glsl-1.20/execution/literal-varyings.shader_test
> new file mode 100644
> index 0000000..bd8ab1a
> --- /dev/null
> +++ b/tests/spec/glsl-1.20/execution/literal-varyings.shader_test
> @@ -0,0 +1,43 @@
> +[require]
> +GLSL >= 1.20
> +
> +[vertex shader]
> +#version 120
> +
> +void
> +main()
> +{
> +	gl_Position = gl_Vertex;
> +	gl_TexCoord[0] = vec4(0.0, 0.0, 0.0, 1.0);
> +	gl_TexCoord[1] = gl_Vertex;
> +	gl_TexCoord[2] = vec4(0.0, 0.0, 0.0, 0.0);
> +	gl_TexCoord[3] = gl_Vertex * 2.0;
> +	gl_TexCoord[4] = vec4(1.0, 1.0, 1.0, 1.0);
> +	gl_TexCoord[5] = gl_Vertex * 4.0;
> +	gl_TexCoord[6] = vec4(1.0, 1.0, 1.0, 0.0);
> +	gl_TexCoord[7] = gl_Vertex * 8.0;
> +}
> +
> +
> +[fragment shader]
> +#version 120
> +
> +void
> +main()
> +{
> +	if (gl_TexCoord[0] == vec4(0.0, 0.0, 0.0, 1.0) &&
> +	    gl_TexCoord[2] == vec4(0.0, 0.0, 0.0, 0.0) &&
> +	    gl_TexCoord[3] == gl_TexCoord[1] * 2.0 &&
> +	    gl_TexCoord[4] == vec4(1.0, 1.0, 1.0, 1.0) &&
> +	    gl_TexCoord[5] == gl_TexCoord[1] * 4.0 &&
> +	    gl_TexCoord[6] == vec4(1.0, 1.0, 1.0, 0.0) &&
> +	    gl_TexCoord[7] == gl_TexCoord[1] * 8.0)
> +		gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
> +	else
> +		gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
> +}
> +
> +
> +[test]
> +draw rect -1 -1 2 2
> +probe all rgba 0 1 0 1
>