Minor cleanup

crates/eframe/src/native/epi_integration.rs

@@ -216,6 +216,8 @@ pub fn handle_app_output(
     app_output: epi::backend::AppOutput,
     window_state: &mut WindowState,
 ) {
+    crate::profile_function!();
+
     let epi::backend::AppOutput {
         close: _,
         window_size,
@@ -478,6 +480,8 @@ impl EpiIntegration {
         egui_winit.on_event(&self.egui_ctx, event)
     }
 
+    /// If `viewport_ui_cb` is None, we are in the root viewport
+    /// and will cal [`App::update`].
     pub fn update(
         &mut self,
         app: &mut dyn epi::App,
@@ -497,12 +501,15 @@ impl EpiIntegration {
 
         // Run user code:
         let full_output = self.egui_ctx.run(raw_input, |egui_ctx| {
-            crate::profile_scope!("App::update");
             if let Some(viewport_ui_cb) = viewport_ui_cb {
                 // Child viewport
+                crate::profile_scope!("callback");
+                debug_assert!(id_pair.this != ViewportId::ROOT);
                 viewport_ui_cb(egui_ctx);
             } else {
                 // Root viewport
+                crate::profile_scope!("App::update");
+                debug_assert_eq!(id_pair, ViewportIdPair::ROOT);
                 app.update(egui_ctx, &mut self.frame);
             }
         });

crates/egui-winit/src/lib.rs

@@ -726,6 +726,8 @@ impl State {
         egui_ctx: &egui::Context,
         platform_output: egui::PlatformOutput,
     ) {
+        crate::profile_function!();
+
         let egui::PlatformOutput {
             cursor_icon,
             open_url,

crates/egui/src/data/input.rs

@@ -161,6 +161,19 @@ impl ViewportInfo {
     pub fn take(&mut self) -> Self {
         core::mem::take(self)
     }
+
+    pub fn ui(&self, ui: &mut crate::Ui) {
+        let Self {
+            id_pair,
+            inner_rect,
+            outer_rect,
+            close_requested,
+        } = self;
+        ui.label(format!("id_pair: {id_pair:?}"));
+        ui.label(format!("inner_rect: {inner_rect:?}"));
+        ui.label(format!("outer_rect: {outer_rect:?}"));
+        ui.label(format!("close_requested: {close_requested:?}"));
+    }
 }
 
 /// A file about to be dropped into egui.
@@ -1000,14 +1013,6 @@ impl RawInput {
     }
 }
 
-impl ViewportInfo {
-    pub fn ui(&self, ui: &mut crate::Ui) {
-        ui.label(format!("id_pair: {:?}", self.id_pair));
-        ui.label(format!("inner_rect: {:?}", self.inner_rect));
-        ui.label(format!("outer_rect: {:?}", self.outer_rect));
-    }
-}
-
 /// this is a `u64` as values of this kind can always be obtained by hashing
 #[derive(Clone, Copy, Debug, Eq, PartialEq, PartialOrd, Ord)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]