1 files changed, 5 insertions, 0 deletions
diff --git a/source/blender/windowmanager/wm_surface.h b/source/blender/windowmanager/wm_surface.h
index a2483d38154..e924b1e47ad 100644
--- a/source/blender/windowmanager/wm_surface.h
+++ b/source/blender/windowmanager/wm_surface.h
@@ -39,6 +39,8 @@ typedef struct wmSurface {
   void *customdata;
 
   void (*draw)(struct bContext *);
+  /* To evaluate the surface's depsgraph. Called as part of the main loop. */
+  void (*do_depsgraph)(struct bContext *C);
   /** Free customdata, not the surface itself (done by wm_surface API) */
   void (*free_data)(struct wmSurface *);
 
@@ -56,6 +58,9 @@ void wm_surfaces_free(void);
 /* Utils */
 void wm_surfaces_iter(struct bContext *C, void (*cb)(struct bContext *, wmSurface *));
 
+/* Evaluation. */
+void wm_surfaces_do_depsgraph(struct bContext *C);
+
 /* Drawing */
 void wm_surface_make_drawable(wmSurface *surface);
 void wm_surface_clear_drawable(void);