[Mesa-dev] [PATCH] ac/shader: scan force_persample

Bas Nieuwenhuizen bas at basnieuwenhuizen.nl
Mon Feb 12 18:17:37 UTC 2018


Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

On Mon, Feb 12, 2018 at 3:57 PM, Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/amd/common/ac_nir_to_llvm.c |  5 ++---
>  src/amd/common/ac_shader_info.c | 15 +++++++++++++++
>  2 files changed, 17 insertions(+), 3 deletions(-)
>
> diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
> index bf5b0bc1e1..86795875a1 100644
> --- a/src/amd/common/ac_nir_to_llvm.c
> +++ b/src/amd/common/ac_nir_to_llvm.c
> @@ -5413,10 +5413,9 @@ handle_fs_input_decl(struct radv_shader_context *ctx,
>
>         if (glsl_get_base_type(glsl_without_array(variable->type)) == GLSL_TYPE_FLOAT) {
>                 unsigned interp_type;
> -               if (variable->data.sample) {
> +               if (variable->data.sample)
>                         interp_type = INTERP_SAMPLE;
> -                       ctx->shader_info->info.ps.force_persample = true;
> -               } else if (variable->data.centroid)
> +               else if (variable->data.centroid)
>                         interp_type = INTERP_CENTROID;
>                 else
>                         interp_type = INTERP_CENTER;
> diff --git a/src/amd/common/ac_shader_info.c b/src/amd/common/ac_shader_info.c
> index b211da60b3..3b0887995d 100644
> --- a/src/amd/common/ac_shader_info.c
> +++ b/src/amd/common/ac_shader_info.c
> @@ -179,6 +179,18 @@ gather_info_block(const nir_shader *nir, const nir_block *block,
>         }
>  }
>
> +static void
> +gather_info_input_decl_ps(const nir_shader *nir, const nir_variable *var,
> +                         struct ac_shader_info *info)
> +{
> +       const struct glsl_type *type = glsl_without_array(var->type);
> +
> +       if (glsl_get_base_type(type) == GLSL_TYPE_FLOAT) {
> +               if (var->data.sample)
> +                       info->ps.force_persample = true;
> +       }
> +}
> +
>  static void
>  gather_info_input_decl(const nir_shader *nir, const nir_variable *var,
>                        struct ac_shader_info *info)
> @@ -187,6 +199,9 @@ gather_info_input_decl(const nir_shader *nir, const nir_variable *var,
>         case MESA_SHADER_VERTEX:
>                 info->vs.has_vertex_buffers = true;
>                 break;
> +       case MESA_SHADER_FRAGMENT:
> +               gather_info_input_decl_ps(nir, var, info);
> +               break;
>         default:
>                 break;
>         }
> --
> 2.16.1
>
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