1 files changed, 7 insertions, 0 deletions
diff --git a/source/blender/makesdna/DNA_modifier_types.h b/source/blender/makesdna/DNA_modifier_types.h
index 85cc1361adf..fc041e257b0 100644
--- a/source/blender/makesdna/DNA_modifier_types.h
+++ b/source/blender/makesdna/DNA_modifier_types.h
@@ -196,6 +196,13 @@ typedef enum {
   SUBSURF_BOUNDARY_SMOOTH_PRESERVE_CORNERS = 1,
 } eSubsurfBoundarySmooth;
 
+typedef struct SubsurfRuntimeData {
+  /* Cached subdivision surface descriptor, with topology and settings. */
+  struct Subdiv *subdiv;
+  char set_by_draw_code;
+  char _pad[7];
+} SubsurfRuntimeData;
+
 typedef struct SubsurfModifierData {
   ModifierData modifier;