[Piglit] [PATCH 1/2] arb_shader_subroutine: Compile a shader that calls a subroutine with a parameter

[Ilia Mirkin]

On Thu, Jan 14, 2016 at 7:23 PM, Ian Romanick <idr at freedesktop.org> wrote:
> From: Ian Romanick <ian.d.romanick at intel.com>
>
> NOTE: This test segfaults on Mesa.
>
> Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93722
> Cc: Dave Airlie <airlied at redhat.com>
> Cc: Nicolas Koch <nioko1337 at googlemail.com>
> ---
>  .../compiler/call-param-match.vert                 | 29 ++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>  create mode 100644 tests/spec/arb_shader_subroutine/compiler/call-param-match.vert
>
> diff --git a/tests/spec/arb_shader_subroutine/compiler/call-param-match.vert b/tests/spec/arb_shader_subroutine/compiler/call-param-match.vert
> new file mode 100644
> index 0000000..fca0f83
> --- /dev/null
> +++ b/tests/spec/arb_shader_subroutine/compiler/call-param-match.vert
> @@ -0,0 +1,29 @@
> +// [config]
> +// expect_result: pass
> +// glsl_version: 1.50
> +// require_extensions: GL_ARB_shader_subroutine
> +// [end config]
> +
> +#version 150
> +#extension GL_ARB_shader_subroutine: require
> +
> +uniform vec4 u;
> +out vec4 piglit_fragcolor;
> +subroutine vec4 func_type(vec4 color);
> +
> +subroutine uniform func_type f;
> +
> +subroutine(func_type) float R(vec4 p)
> +{
> +    return p.r;
> +}
> +
> +subroutine(func_type) float G(vec4 p)
> +{
> +    return p.g;
> +}
> +
> +void main()
> +{
> +    piglit_fragcolor = f(u);

Won't this cause it to fail, or is there a float -> vec4 autoconvert?

  -ilia