[Piglit] [PATCH] arb_explicit_uniform_location: add test for negative layout qualifier

[Tapani Pälli]

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

On 10/22/2015 08:10 AM, Timothy Arceri wrote:
> ---
>   .../compiler/layout-negative.vert                  | 22 ++++++++++++++++++++++
>   1 file changed, 22 insertions(+)
>   create mode 100644 tests/spec/arb_explicit_uniform_location/compiler/layout-negative.vert
>
> diff --git a/tests/spec/arb_explicit_uniform_location/compiler/layout-negative.vert b/tests/spec/arb_explicit_uniform_location/compiler/layout-negative.vert
> new file mode 100644
> index 0000000..dac099f
> --- /dev/null
> +++ b/tests/spec/arb_explicit_uniform_location/compiler/layout-negative.vert
> @@ -0,0 +1,22 @@
> +// [config]
> +// expect_result: fail
> +// glsl_version: 1.30
> +// require_extensions: GL_ARB_explicit_attrib_location GL_ARB_explicit_uniform_location
> +// [end config]
> +//
> +// From the ARB_explicit_uniform_location spec:
> +//
> +// "Valid locations for default-block uniform variable locations are in the
> +// range of 0 to the implementation-defined maximum number of uniform
> +// locations."
> +
> +#version 130
> +#extension GL_ARB_explicit_attrib_location: require
> +#extension GL_ARB_explicit_uniform_location: require
> +vec4 vertex;
> +layout(location = -1) uniform float foo;
> +
> +void main()
> +{
> +	gl_Position = vertex;
> +}