+ /* Convert PIPE_PRIM_LINE_LOOP to PIPE_PRIM_LINESTRIP,
+ * convert PIPE_PRIM_POLYGON to PIPE_PRIM_TRIANGLE_FAN,
+ * etc, if needed (as determined by svga_hw_prims mask).
+ */
+ gen_type = u_index_generator(svga_hw_prims,
+ prim,
+ start,
+ count,
+ hwtnl->api_pv,
+ hwtnl->hw_pv,
+ &gen_prim, &gen_size, &gen_nr, &gen_func);