[Mesa-dev] [PATCH 09/15] spirv/nir: Set info.gs.uses_streams

[Jason Ekstrand]

Should this be part of nir_gather_info?

On Fri, Jul 20, 2018 at 8:09 AM Alejandro Piñeiro <apinheiro at igalia.com>
wrote:

> From: Neil Roberts <nroberts at igalia.com>
>
> Whenever a non-zero stream is written to it now sets uses_streams to
> true. This reflects the code in validate_geometry_shader_emissions for
> GLSL.
> ---
>  src/compiler/spirv/spirv_to_nir.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/src/compiler/spirv/spirv_to_nir.c
> b/src/compiler/spirv/spirv_to_nir.c
> index 2fef6b0bf15..0957efb2aa1 100644
> --- a/src/compiler/spirv/spirv_to_nir.c
> +++ b/src/compiler/spirv/spirv_to_nir.c
> @@ -3224,6 +3224,10 @@ vtn_handle_barrier(struct vtn_builder *b, SpvOp
> opcode,
>              vtn_value(b, w[1], vtn_value_type_constant);
>           unsigned stream = stream_value->constant->values[0].u32[0];
>           nir_intrinsic_set_stream_id(intrin, stream);
> +
> +         if (stream > 0)
> +            b->shader->info.gs.uses_streams = true;
> +
>           break;
>        }
>
> --
> 2.14.1
>
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