040000 tree f621d07d4fec5270f4160af70ae722fd4170490a	scalar-scalar
040000 tree 8d66a9c4e6744fe8ba219c1200ab3a2e9a5ac77b	scalar-vec3
040000 tree 0091d100e579e64935417aacc27ebe08ea3a5d21	vec3-scalar
040000 tree 548cfd640a8952eaf31c7d6e5fec52e6aacbc8d4	vec3-vec3