Clean up Ray transformation code. Initialize hasDifferentials field of returned RayDifferential with value from given one.
Clean up Ray transformation code.
Initialize hasDifferentials field of returned RayDifferential with value from given one.
patwonder/pbrt-v2-skin,patwonder/pbrt-v2-skin,patwonder/pbrt-v2-skin,patwonder/pbrt-v2-skin,patwonder/pbrt-v2-skin