diff options
-rw-r--r-- | source/blender/editors/sculpt_paint/sculpt_undo.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/source/blender/editors/sculpt_paint/sculpt_undo.c b/source/blender/editors/sculpt_paint/sculpt_undo.c index ef25c23d7d3..1cb9b57e81d 100644 --- a/source/blender/editors/sculpt_paint/sculpt_undo.c +++ b/source/blender/editors/sculpt_paint/sculpt_undo.c @@ -1565,6 +1565,17 @@ static bool sculpt_undo_use_multires_mesh(bContext *C) static void sculpt_undo_push_all_grids(Object *object) { SculptSession *ss = object->sculpt; + + /* It is possible that undo push is done from an object state where there is no PBVH. This + * happens, for example, when an operation which tagged for geometry update was performed prior + * to the current operation without making any stroke inbetween. + * + * Skip pushing nodes based on the following logic: on redo SCULPT_UNDO_COORDS will ensure + * PBVH for the new base geometry, which will have same coordinates as if we create PBVH here. */ + if (ss->pbvh == NULL) { + return; + } + PBVHNode **nodes; int totnodes; |