1 files changed, 8 insertions, 1 deletions
diff --git a/source/blender/blenkernel/BKE_main.h b/source/blender/blenkernel/BKE_main.h
index 66cbe6d838f..8b46939c6d1 100644
--- a/source/blender/blenkernel/BKE_main.h
+++ b/source/blender/blenkernel/BKE_main.h
@@ -73,10 +73,17 @@ typedef struct MainIDRelations {
   struct GHash *id_user_to_used;
   struct GHash *id_used_to_user;
 
+  short flag;
+
   /* Private... */
   struct BLI_mempool *entry_pool;
 } MainIDRelations;
 
+enum {
+  /* Those bmain relations include pointers/usages from editors. */
+  MAINIDRELATIONS_INCLUDE_UI = 1 << 0,
+};
+
 typedef struct Main {
   struct Main *next, *prev;
   char name[1024];                   /* 1024 = FILE_MAX */
@@ -149,7 +156,7 @@ void BKE_main_free(struct Main *mainvar);
 void BKE_main_lock(struct Main *bmain);
 void BKE_main_unlock(struct Main *bmain);
 
-void BKE_main_relations_create(struct Main *bmain);
+void BKE_main_relations_create(struct Main *bmain, const short flag);
 void BKE_main_relations_free(struct Main *bmain);
 
 struct GSet *BKE_main_gset_create(struct Main *bmain, struct GSet *gset);