radv: fix VGT_GS_MODE if VS uses the primitive ID

Found by inspection.

Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2019-07-17 10:58:17 +02:00
parent c23fa1ca07
commit 63d670e350

View File

@@ -3267,6 +3267,10 @@ radv_pipeline_generate_vgt_gs_mode(struct radeon_cmdbuf *ctx_cs,
struct radv_pipeline *pipeline)
{
const struct radv_vs_output_info *outinfo = get_vs_output_info(pipeline);
const struct radv_shader_variant *vs =
pipeline->shaders[MESA_SHADER_TESS_EVAL] ?
pipeline->shaders[MESA_SHADER_TESS_EVAL] :
pipeline->shaders[MESA_SHADER_VERTEX];
unsigned vgt_primitiveid_en = 0;
uint32_t vgt_gs_mode = 0;
@@ -3277,16 +3281,12 @@ radv_pipeline_generate_vgt_gs_mode(struct radeon_cmdbuf *ctx_cs,
vgt_gs_mode = ac_vgt_gs_mode(gs->info.gs.vertices_out,
pipeline->device->physical_device->rad_info.chip_class);
} else if (radv_pipeline_has_ngg(pipeline)) {
const struct radv_shader_variant *vs =
pipeline->shaders[MESA_SHADER_TESS_EVAL] ?
pipeline->shaders[MESA_SHADER_TESS_EVAL] :
pipeline->shaders[MESA_SHADER_VERTEX];
bool enable_prim_id =
outinfo->export_prim_id || vs->info.info.uses_prim_id;
vgt_primitiveid_en |= S_028A84_PRIMITIVEID_EN(enable_prim_id) |
S_028A84_NGG_DISABLE_PROVOK_REUSE(enable_prim_id);
} else if (outinfo->export_prim_id) {
} else if (outinfo->export_prim_id || vs->info.info.uses_prim_id) {
vgt_gs_mode = S_028A40_MODE(V_028A40_GS_SCENARIO_A);
vgt_primitiveid_en |= S_028A84_PRIMITIVEID_EN(1);
}