diff options
| -rw-r--r-- | source/blender/depsgraph/intern/builder/deg_builder_relations.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc index 17de0e0b016..40fbfbc2b99 100644 --- a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc +++ b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc @@ -2806,6 +2806,10 @@ void DepsgraphRelationBuilder::build_driver_relations(IDNode *id_node) // For each node in the driver group, try to connect it to another node // in the same group without creating any cycles. int num_drivers = prefix_group.second.size(); + if (num_drivers < 2) { + // A relation requires two drivers. + continue; + } for (int from_index = 0; from_index < num_drivers; ++from_index) { Node *op_from = prefix_group.second[from_index]; |