radv/gfx10: improve performance for TES using PrimID but not exporting it

This field is for the primitive ID export to the fragment shader.
Ported from RadeonSI.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index dcc9518bfe9ed54f1137fb4550ac1212f38bddd1..eaedc02387308e0e7df3045331d69ef683f53225 100644 (file)
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -3991,7 +3991,7 @@ radv_pipeline_generate_hw_ngg(struct radeon_cmdbuf *ctx_cs,
 
        radeon_set_context_reg(ctx_cs, R_028A84_VGT_PRIMITIVEID_EN,
                               S_028A84_PRIMITIVEID_EN(es_enable_prim_id) |
-                              S_028A84_NGG_DISABLE_PROVOK_REUSE(es_enable_prim_id));
+                              S_028A84_NGG_DISABLE_PROVOK_REUSE(outinfo->export_prim_id));
 
        radeon_set_context_reg(ctx_cs, R_028AAC_VGT_ESGS_RING_ITEMSIZE,
                               ngg_state->vgt_esgs_ring_itemsize);