This precomputes vertex normals in the procedural and caches them in case none are found in the archive. This only applies to polygon meshes, as subdivision meshes are yet to be subdivided, so it is useless to do this computation.
The goal here is to speed up data updates between frames, as computing normals shows up in profiles even for large objects. This saves around 16% of update time for a production file.
Full Hash: 5cf73f8b4a3456e7d3377f543df400fbfbfc9158 Parent Commit: 4f95a89 Committed By: Stefan Werner Lines Changed: +52, -0