1 files changed, 6 insertions, 0 deletions
diff --git a/scene/main/viewport.h b/scene/main/viewport.h
index c1a4c0e3eb..08c1ac1d12 100644
--- a/scene/main/viewport.h
+++ b/scene/main/viewport.h
@@ -45,6 +45,7 @@ class Camera2D;
 class Listener;
 class Control;
 class CanvasItem;
+class CanvasLayer;
 class Panel;
 class Label;
 class Timer;
@@ -163,6 +164,7 @@ private:
 
 	Camera *camera;
 	Set<Camera *> cameras;
+	Set<CanvasLayer *> canvas_layers;
 
 	RID viewport;
 	RID current_canvas;
@@ -354,6 +356,10 @@ private:
 	void _camera_remove(Camera *p_camera);
 	void _camera_make_next_current(Camera *p_exclude);
 
+	friend class CanvasLayer;
+	void _canvas_layer_add(CanvasLayer *p_canvas_layer);
+	void _canvas_layer_remove(CanvasLayer *p_canvas_layer);
+
 protected:
 	void _notification(int p_what);
 	static void _bind_methods();