Order of 2D nodes in tree affects drawing properly again.

servers/visual/visual_server_canvas.cpp

@@ -58,6 +58,12 @@ void VisualServerCanvas::_render_canvas_item(Item *p_canvas_item, const Transfor
 	if (!ci->visible)
 		return;
 
+	if (p_canvas_item->children_order_dirty) {
+
+		p_canvas_item->child_items.sort_custom<ItemIndexSort>();
+		p_canvas_item->children_order_dirty = false;
+	}
+
 	Rect2 rect = ci->get_rect();
 	Transform2D xform = p_transform * ci->xform;
 	Rect2 global_rect = xform.xform(rect);
@@ -171,6 +177,12 @@ void VisualServerCanvas::render_canvas(Canvas *p_canvas, const Transform2D &p_tr
 
 	VSG::canvas_render->canvas_begin();
 
+	if (p_canvas->children_order_dirty) {
+
+		p_canvas->child_items.sort();
+		p_canvas->children_order_dirty = false;
+	}
+
 	int l = p_canvas->child_items.size();
 	Canvas::ChildItem *ci = p_canvas->child_items.ptr();
 

servers/visual/visual_server_canvas.h

@@ -63,6 +63,14 @@ public:
 		}
 	};
 
+	struct ItemIndexSort {
+
+		_FORCE_INLINE_ bool operator()(const Item *p_left, const Item *p_right) const {
+
+			return p_left->index < p_right->index;
+		}
+	};
+
 	struct ItemPtrSort {
 
 		_FORCE_INLINE_ bool operator()(const Item *p_left, const Item *p_right) const {