JVET-AJ0107: GPM mode extension (Test 3.4d)
Shape adaptive GPM partitions. Only applied to GPM (not SGPM not IBC-GPM). Only used in RA, not LDB, through cfg parameter.
Shape adaptive GPM partitions. Only applied to GPM (not SGPM not IBC-GPM). Only used in RA, not LDB, through cfg parameter.