040000 tree 329777a8f63e71654a596b37efd1e75022e72d80	scalar-scalar
040000 tree b4ab8c9e24383acb231e142e0643df2d003599c8	scalar-vec3
040000 tree 12380493e8254d66c3728b28e9a10671a39507f7	vec3-scalar
040000 tree 401451b08756736845a7c56a352de3ed62327edc	vec3-vec3