[Mesa-dev] [PATCH 2/3] nir: Add NIR plumbing ARB_post_depth_coverage for i965 (gen9+).

[Jason Ekstrand]

Now that timothy has made shader_info shared, this patch should probably be
squashed into the previous one.

On Nov 17, 2016 12:28 PM, "Plamena Manolova" <plamena.manolova at intel.com>
wrote:

> This extension allows the fragment shader to control whether values in
> gl_SampleMaskIn[] reflect the coverage after application of the early
> depth and stencil tests.
>
> Signed-off-by: Plamena Manolova <plamena.manolova at intel.com>
> ---
>  src/compiler/shader_info.h | 1 +
>  src/mesa/main/shaderapi.c  | 1 +
>  2 files changed, 2 insertions(+)
>
> diff --git a/src/compiler/shader_info.h b/src/compiler/shader_info.h
> index f0dfecc..760a899 100644
> --- a/src/compiler/shader_info.h
> +++ b/src/compiler/shader_info.h
> @@ -113,6 +113,7 @@ typedef struct shader_info {
>            * ARB_shader_image_load_store.
>            */
>           bool early_fragment_tests;
> +         bool post_depth_coverage;
>
>           /** gl_FragDepth layout for ARB_conservative_depth. */
>           enum gl_frag_depth_layout depth_layout;
> diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
> index 5db4137..9b35395 100644
> --- a/src/mesa/main/shaderapi.c
> +++ b/src/mesa/main/shaderapi.c
> @@ -2201,6 +2201,7 @@ _mesa_copy_linked_program_data(const struct
> gl_shader_program *src,
>     case MESA_SHADER_FRAGMENT: {
>        dst->info.fs.depth_layout = src->FragDepthLayout;
>        dst->info.fs.early_fragment_tests = dst_sh->info.
> EarlyFragmentTests;
> +      dst->info.fs.post_depth_coverage = dst_sh->info.PostDepthCoverage;
>        break;
>     }
>     case MESA_SHADER_COMPUTE: {
> --
> 2.7.4
>
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