[Mesa-dev] [PATCH 3/4] radv/gfx10: set BREAK_WAVE_AT_EOI if TES or GS enable the primitive ID

[Bas Nieuwenhuizen]

On Wed, Jul 17, 2019 at 3:44 PM Samuel Pitoiset
<samuel.pitoiset at gmail.com> wrote:
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
> ---
>  src/amd/vulkan/radv_pipeline.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
> index de933937f03..8b6e62a75f5 100644
> --- a/src/amd/vulkan/radv_pipeline.c
> +++ b/src/amd/vulkan/radv_pipeline.c
> @@ -3452,6 +3452,14 @@ radv_pipeline_generate_hw_ngg(struct radeon_cmdbuf *ctx_cs,
>         bool break_wave_at_eoi = false;
>         unsigned nparams;
>
> +       if (es_type == MESA_SHADER_TESS_EVAL) {
> +               struct radv_shader_variant *gs =
> +                       pipeline->shaders[MESA_SHADER_GEOMETRY];
> +
> +               if (es_enable_prim_id || (gs && gs->info.info.uses_prim_id))
> +                       break_wave_at_eoi = true;
> +       }
> +

r-b
>         nparams = MAX2(outinfo->param_exports, 1);
>         radeon_set_context_reg(ctx_cs, R_0286C4_SPI_VS_OUT_CONFIG,
>                                S_0286C4_VS_EXPORT_COUNT(nparams - 1) |
> --
> 2.22.0
>
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