Log frame times

src/app/mod.rs

@@ -11,6 +11,9 @@ mod dem_renderer;
 mod raster;
 use dem_renderer::DemRenderer;
 
+mod statistics_reporter;
+use statistics_reporter::StatisticsReporter;
+
 #[derive(Clone)]
 pub struct Model {
     dem: Option<Rc<raster::Dem>>,
@@ -30,6 +33,7 @@ struct Context {
     queue: Queue,
     scene_data: Option<DemRenderer>,
     frame_timer: Box<dyn FrameTimer>,
+    statistics_reporter: StatisticsReporter,
 }
 
 #[derive(Default)]
@@ -126,7 +130,8 @@ impl MvuApp<Model> for App {
             render_pipeline,
             queue,
             scene_data: None,
-            frame_timer: frame_timer,
+            frame_timer,
+            statistics_reporter: StatisticsReporter::new(),
         });
 
         info!("Initialized {}x{}.", size.width, size.height);
@@ -159,6 +164,9 @@ impl MvuApp<Model> for App {
     async fn view(&mut self, model: Rc<Model>) -> Result<(), Box<dyn std::error::Error>> {
         if let Some(context) = &mut self.context {
             context.frame_timer.mark_frame_start();
+            context
+                .statistics_reporter
+                .log_frame_time_seconds(context.frame_timer.get_frame_time_seconds());
             if let Some(dem) = &model.dem {
                 if context
                     .scene_data