[Piglit] [PATCH] glsl-1.50: test for interface block global name reuse error

[Jordan Justen]

Reviewed-by: Jordan Justen <jordan.l.justen at intel.com>

On Wed, Jul 24, 2013 at 2:14 PM, Matt Turner <mattst88 at gmail.com> wrote:
> Placing the use of the block name before the block declaration currently
> compiles with Mesa, which is a bug.
> ---
>  .../interface-blocks-name-reused-globally.vert     | 26 ++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
>  create mode 100644 tests/spec/glsl-1.50/compiler/interface-blocks-name-reused-globally.vert
>
> diff --git a/tests/spec/glsl-1.50/compiler/interface-blocks-name-reused-globally.vert b/tests/spec/glsl-1.50/compiler/interface-blocks-name-reused-globally.vert
> new file mode 100644
> index 0000000..8f20695
> --- /dev/null
> +++ b/tests/spec/glsl-1.50/compiler/interface-blocks-name-reused-globally.vert
> @@ -0,0 +1,26 @@
> +// [config]
> +// expect_result: fail
> +// glsl_version: 1.50
> +// check_link: true
> +// [end config]
> +//
> +// GLSLangSpec.1.50.11, 4.3.7 Interface Blocks:
> +// "Block names have no other use within a shader beyond interface matching;
> +//  it is an error to use a block name at global scope for anything other than
> +//  as a block name."
> +//
> +// Tests that an interface block name may not be reused globally as anything
> +// other than as a block name.
> +
> +#version 150
> +
> +vec4 block;
> +
> +out block {
> +    vec4 a;
> +} inst;
> +
> +void main()
> +{
> +}
> +
> --
> 1.8.1.5
>
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