radv: add small helper to denote when a geom shader is in the pipeline.

Review-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>

src/amd/vulkan/radv_private.h

@@ -941,6 +941,11 @@ struct radv_pipeline {
 	unsigned scratch_bytes_per_wave;
 };
 
+static inline bool radv_pipeline_has_gs(struct radv_pipeline *pipeline)
+{
+	return pipeline->shaders[MESA_SHADER_GEOMETRY] ? true : false;
+}
+
 struct radv_graphics_pipeline_create_info {
 	bool use_rectlist;
 	bool db_depth_clear;