[Piglit] [PATCH] glsl-1.50: test shader compiles with unused uniform block

[Tapani Pälli]

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

On 09/23/2015 06:36 AM, Timothy Arceri wrote:
> Tests the second bug mentioned in the bug report.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83508
> ---
>   .../uniform_block/unused-interface-array.vert         | 19 +++++++++++++++++++
>   1 file changed, 19 insertions(+)
>   create mode 100644 tests/spec/glsl-1.50/compiler/uniform_block/unused-interface-array.vert
>
> diff --git a/tests/spec/glsl-1.50/compiler/uniform_block/unused-interface-array.vert b/tests/spec/glsl-1.50/compiler/uniform_block/unused-interface-array.vert
> new file mode 100644
> index 0000000..e28ffe9
> --- /dev/null
> +++ b/tests/spec/glsl-1.50/compiler/uniform_block/unused-interface-array.vert
> @@ -0,0 +1,19 @@
> +/* [config]
> + * expect_result: pass
> + * glsl_version: 1.50
> + * [end config]
> + *
> + * Tests that shader still compiles with an unused uniform block. A packed
> + * layout means the implementation can eliminate the block entirely.
> + */
> +#version 150
> +
> +layout(packed) uniform ArrayBlock
> +{
> +  mat4 a;
> +} i[4];
> +
> +void main()
> +{
> +  gl_Position = vec4(1.0);
> +}