Depsgraph: Extra sanity checks for copy-on-write tagging

2018-04-30 17:31:59 +02:00
parent 8cf9c58906
commit 2bd2a2ac03
1 changed files with 2 additions and 0 deletions
--- a/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
+++ b/source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc
@@ -800,6 +800,8 @@ bool deg_validate_copy_on_write_datablock(ID *id_cow)

 void deg_tag_copy_on_write_id(ID *id_cow, const ID *id_orig)
 {
+	BLI_assert(id_cow != id_orig);
+	BLI_assert((id_orig->tag & LIB_TAG_COPY_ON_WRITE) == 0);
 	id_cow->tag |= LIB_TAG_COPY_ON_WRITE;
 	id_cow->orig_id = (ID *)id_orig;
 }