BMesh: support for comparing loops when calculating face-groups

Add an optional callback to check source/destination loops for
BM_mesh_calc_face_groups.

This is needed so it can be used to calculate UV islands.

1 files changed, 1 insertions, 0 deletions

diff --git a/source/blender/bmesh/intern/bmesh_query.h b/source/blender/bmesh/intern/bmesh_query.h
index d2c71d8c71d..5627f3820c2 100644
--- a/source/blender/bmesh/intern/bmesh_query.h
+++ b/source/blender/bmesh/intern/bmesh_query.h
@@ -254,6 +254,7 @@ int BM_mesh_calc_face_groups(BMesh *bm,
                              int *r_groups_array,
                              int (**r_group_index)[2],
                              BMLoopFilterFunc filter_fn,
+                             BMLoopPairFilterFunc filter_pair_fn,
                              void *user_data,
                              const char hflag_test,
                              const char htype_step) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1, 2, 3);