1 files changed, 12 insertions, 1 deletions
diff --git a/source/blender/makesdna/DNA_node_types.h b/source/blender/makesdna/DNA_node_types.h
index 92c4d8fe938..e9c12e52bce 100644
--- a/source/blender/makesdna/DNA_node_types.h
+++ b/source/blender/makesdna/DNA_node_types.h
@@ -499,7 +499,13 @@ typedef struct bNodeTree {
 
   int type;
 
-  char _pad1[4];
+  /**
+   * Used to cache run-time information of the node tree.
+   * #eNodeTreeRuntimeFlag.
+   */
+  uint8_t runtime_flag;
+
+  char _pad1[3];
 
   /**
    * Sockets in groups have unique identifiers, adding new sockets always
@@ -601,6 +607,11 @@ typedef enum eNodeTreeExecutionMode {
   NTREE_EXECUTION_MODE_FULL_FRAME = 1,
 } eNodeTreeExecutionMode;
 
+typedef enum eNodeTreeRuntimeFlag {
+  /** There is a node that references an image with animation. */
+  NTREE_RUNTIME_FLAG_HAS_IMAGE_ANIMATION = 1 << 0,
+} eNodeTreeRuntimeFlag;
+
 /* socket value structs for input buttons
  * DEPRECATED now using ID properties
  */