[Piglit] [PATCH] arb_separate_shader_objects: test for explicit varying location overlap by AoA

[Tapani Pälli]

Reviewed-by: Tapani Pälli <tapani.palli at intel.com>

On 12/16/2015 07:20 AM, Timothy Arceri wrote:
> Test results:
> Nvidia GeForce 840M - NVIDIA 352.41: pass
> Mesa 11.2 (dev): fail
> ---
>   ...t-location-overlap-arrays-of-arrays.shader_test | 55 ++++++++++++++++++++++
>   1 file changed, 55 insertions(+)
>   create mode 100644 tests/spec/arb_separate_shader_objects/linker/vs-to-fs-explicit-location-overlap-arrays-of-arrays.shader_test
>
> diff --git a/tests/spec/arb_separate_shader_objects/linker/vs-to-fs-explicit-location-overlap-arrays-of-arrays.shader_test b/tests/spec/arb_separate_shader_objects/linker/vs-to-fs-explicit-location-overlap-arrays-of-arrays.shader_test
> new file mode 100644
> index 0000000..996a118
> --- /dev/null
> +++ b/tests/spec/arb_separate_shader_objects/linker/vs-to-fs-explicit-location-overlap-arrays-of-arrays.shader_test
> @@ -0,0 +1,55 @@
> +// Test for explicit varying location overlap by arrays of arrays
> +
> +[require]
> +GLSL >= 1.40
> +GL_ARB_separate_shader_objects
> +GL_ARB_arrays_of_arrays
> +
> +[vertex shader]
> +#version 140
> +#extension GL_ARB_separate_shader_objects : require
> +#extension GL_ARB_arrays_of_arrays : require
> +
> +in vec4 piglit_vertex;
> +
> +layout(location = 0) out vec4 out1[2][2];
> +layout(location = 3) out vec4 out2;
> +
> +void main()
> +{
> +	gl_Position = piglit_vertex;
> +	out1[0][0] = vec4(1.0, 0.0, 0.0, 1.0);
> +	out1[0][1] = vec4(0.0, 1.0, 0.0, 1.0);
> +	out1[1][0] = vec4(0.0, 0.0, 1.0, 1.0);
> +	out1[1][1] = vec4(1.0, 1.0, 1.0, 1.0);
> +	out2 = vec4(0.0);
> +}
> +
> +[fragment shader]
> +#version 140
> +#extension GL_ARB_separate_shader_objects : require
> +#extension GL_ARB_arrays_of_arrays : require
> +
> +uniform int i;
> +
> +layout(location = 0) in vec4 out1[2][2];
> +layout(location = 3) in vec4 out2;
> +
> +out vec4 color;
> +
> +void main()
> +{
> +	if (i == 0)
> +		color = out1[0][0];
> +	else if (i == 1)
> +		color = out1[0][1];
> +	else if (i == 2)
> +		color = out1[1][0];
> +	else if (i == 3)
> +		color = out1[1][1];
> +	else
> +		color = out2;
> +}
> +
> +[test]
> +link error