[Mesa-dev] [PATCH] radv: fix gathering clip/cull distance masks for GS

[Juan A. Suarez Romero]

On Tue, 2019-07-16 at 08:37 +0200, Samuel Pitoiset wrote:
> For NGG, the driver relies on the VS outinfo struct.
> 
> This fixes
> dEQP-VK.clipping.user_defined.clip_*_vert_tess_geom_*
> 

Should this be included in 19.1 stable branch?


> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/amd/vulkan/radv_nir_to_llvm.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/src/amd/vulkan/radv_nir_to_llvm.c b/src/amd/vulkan/radv_nir_to_llvm.c
> index 76d784b3374..b890ce56f16 100644
> --- a/src/amd/vulkan/radv_nir_to_llvm.c
> +++ b/src/amd/vulkan/radv_nir_to_llvm.c
> @@ -2407,6 +2407,11 @@ scan_shader_output_decl(struct radv_shader_context *ctx,
>  				ctx->shader_info->tes.outinfo.cull_dist_mask = (1 << shader->info.cull_distance_array_size) - 1;
>  				ctx->shader_info->tes.outinfo.cull_dist_mask <<= shader->info.clip_distance_array_size;
>  			}
> +			if (stage == MESA_SHADER_GEOMETRY) {
> +				ctx->shader_info->vs.outinfo.clip_dist_mask = (1 << shader->info.clip_distance_array_size) - 1;
> +				ctx->shader_info->vs.outinfo.cull_dist_mask = (1 << shader->info.cull_distance_array_size) - 1;
> +				ctx->shader_info->vs.outinfo.cull_dist_mask <<= shader->info.clip_distance_array_size;
> +			}
>  		}
>  	}
>