4d33c37c9e
This fixes two issues: * Normals were not being recalculated correctly when not using optimized drawing for CDDerivedMesh (Multires actually handles that correctly). * Loop normals (autosmooth option) were also not being calculated. Doing this calculation is not desirable, since it can't be done correctly without a severe performance hit. This is easy to test by doing a dependency flush on the mesh after each scuplt stroke step. Instead they are now disabled during sculpting.