1 files changed, 3 insertions, 0 deletions
diff --git a/intern/cycles/graph/node.h b/intern/cycles/graph/node.h
index d35a1bb489c..4473b8aca28 100644
--- a/intern/cycles/graph/node.h
+++ b/intern/cycles/graph/node.h
@@ -94,6 +94,9 @@ struct Node {
   /* Get total size of this node. */
   size_t get_total_size_in_bytes() const;
 
+  /* Type testing, taking into account base classes. */
+  bool is_a(const NodeType *type);
+
   ustring name;
   const NodeType *type;
 };