diff options
Diffstat (limited to 'source/blender/blenkernel/intern/multires_reshape.c')
-rw-r--r-- | source/blender/blenkernel/intern/multires_reshape.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/multires_reshape.c b/source/blender/blenkernel/intern/multires_reshape.c index e59b19638f8..64cc9130e25 100644 --- a/source/blender/blenkernel/intern/multires_reshape.c +++ b/source/blender/blenkernel/intern/multires_reshape.c @@ -197,7 +197,16 @@ void multiresModifier_subdivide_to_level(struct Object *object, if (!has_mdisps) { CustomData_add_layer(&coarse_mesh->ldata, CD_MDISPS, CD_CALLOC, NULL, coarse_mesh->totloop); } - if (!has_mdisps || top_level == 1) { + + /* NOTE: Subdivision happens from the top level of the existing multires modifier. If it is set + * to 0 and there is mdisps layer it would mean that the modifier went out of sync with the data. + * This happens when, for example, linking modifiers from one object to another. + * + * In such cases simply ensure grids to be the proper level. + * + * If something smarter is needed it is up to the operators which does data synchronization, so + * that the mdisps layer is also synchronized. */ + if (!has_mdisps || top_level == 1 || mmd->totlvl == 0) { multires_reshape_ensure_grids(coarse_mesh, top_level); if (ELEM(mode, MULTIRES_SUBDIVIDE_LINEAR, MULTIRES_SUBDIVIDE_SIMPLE)) { multires_subdivide_create_tangent_displacement_linear_grids(object, mmd); |