After undoing a visibility change, the visibility is propagated from multires grids to mesh faces and vertices. This progress was completely single threaded and more complicated than necessary. Simplify it using newer C++ data structures and APIs.
After undoing a visibility change, the visibility is propagated from multires grids to mesh faces and vertices. This progress was completely single threaded and more complicated than necessary. Simplify it using newer C++ data structures and APIs.