oopsie (orderlerss -> ordered rendering)

src/layout/ui.rs

@@ -184,6 +184,18 @@ impl Ui {
         }
     }
 
+    pub fn debug_layers(&self) {
+        for ((idx, depth), primitives) in self.data.layers.iter_depth() {
+            let indent = " ".repeat(depth * 2);
+            let len = primitives.instances().len();
+            print!("{indent}{idx}: {len} primitives");
+            if len >= 1 {
+                print!(" ({})", primitives.instances()[0].binding);
+            }
+            println!();
+        }
+    }
+
     pub fn window_region<W>(&self, id: &impl IdLike<W>) -> Option<PixelRegion> {
         let region = self.data.active.get(&id.id())?.region;
         Some(region.to_px(self.data.output_size))