040000 tree 63512234ea79a772a47a4a472cf75a6aba7f4655	ddk
040000 tree 72c32c5ea1fe8568ccc7e0a4ee09770a8ebcfe31	direct-x
040000 tree ebf2d5c0a260e62de1d27de16c381b5d00c1adaa	include
040000 tree ae4ebcfdd5c2f3014553501b251ac2feb72982f7	testcases