[Mesa-dev] [PATCH] radv: fix computing number of user SGPRs for streamout buffers

[Bas Nieuwenhuizen]

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

On Wed, Jan 23, 2019 at 10:26 AM Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
>
> Streamout buffers are emitted like push constants.
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/amd/vulkan/radv_nir_to_llvm.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/src/amd/vulkan/radv_nir_to_llvm.c b/src/amd/vulkan/radv_nir_to_llvm.c
> index 40812fa7ffb..7f1aa17b0d5 100644
> --- a/src/amd/vulkan/radv_nir_to_llvm.c
> +++ b/src/amd/vulkan/radv_nir_to_llvm.c
> @@ -701,6 +701,9 @@ static void allocate_user_sgprs(struct radv_shader_context *ctx,
>         if (ctx->shader_info->info.loads_push_constants)
>                 user_sgpr_count++;
>
> +       if (ctx->streamout_buffers)
> +               user_sgpr_count++;
> +
>         uint32_t available_sgprs = ctx->options->chip_class >= GFX9 && stage != MESA_SHADER_COMPUTE ? 32 : 16;
>         uint32_t remaining_sgprs = available_sgprs - user_sgpr_count;
>         uint32_t num_desc_set =
> --
> 2.20.1
>
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