1 files changed, 5 insertions, 1 deletions
diff --git a/source/blender/depsgraph/intern/depsgraph.h b/source/blender/depsgraph/intern/depsgraph.h
index f194a44346b..15ce57cb169 100644
--- a/source/blender/depsgraph/intern/depsgraph.h
+++ b/source/blender/depsgraph/intern/depsgraph.h
@@ -73,7 +73,7 @@ enum RelationFlag {
   RELATION_FLAG_FLUSH_USER_EDIT_ONLY = (1 << 2),
   /* The relation can not be killed by the cyclic dependencies solver. */
   RELATION_FLAG_GODMODE = (1 << 4),
-  /* Relation will check existance before being added. */
+  /* Relation will check existence before being added. */
   RELATION_CHECK_BEFORE_ADD = (1 << 5),
 };
 
@@ -160,6 +160,10 @@ struct Depsgraph {
   /* Nodes which have been tagged as "directly modified". */
   GSet *entry_tags;
 
+  /* Special entry tag for time source. Allows to tag invisible dependency graphs for update when
+   * scene frame changes, so then when dependency graph becomes visible it is on a proper state. */
+  bool need_update_time;
+
   /* Convenience Data ................... */
 
   /* XXX: should be collected after building (if actually needed?) */