st/glsl_to_nir/radeonsi: enable tessellation shaders

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

src/gallium/drivers/radeonsi/si_shader_nir.c

@@ -157,6 +157,8 @@ void si_nir_scan_shader(const struct nir_shader *nir,
 
 	assert(nir->info.stage == MESA_SHADER_VERTEX ||
 	       nir->info.stage == MESA_SHADER_GEOMETRY ||
+	       nir->info.stage == MESA_SHADER_TESS_CTRL ||
+	       nir->info.stage == MESA_SHADER_TESS_EVAL ||
 	       nir->info.stage == MESA_SHADER_FRAGMENT);
 
 	info->processor = pipe_shader_type_from_mesa(nir->info.stage);

src/mesa/state_tracker/st_glsl_to_nir.cpp

@@ -675,7 +675,9 @@ st_finalize_nir(struct st_context *st, struct gl_program *prog,
                                   &nir->num_outputs,
                                   nir->info.stage);
       st_nir_fixup_varying_slots(st, &nir->outputs);
-   } else if (nir->info.stage == MESA_SHADER_GEOMETRY) {
+   } else if (nir->info.stage == MESA_SHADER_GEOMETRY ||
+              nir->info.stage == MESA_SHADER_TESS_CTRL ||
+              nir->info.stage == MESA_SHADER_TESS_EVAL) {
       sort_varyings(&nir->inputs);
       st_nir_assign_var_locations(&nir->inputs,
                                   &nir->num_inputs,