Add a few more Tracy spans

src/layout.rs

@@ -1079,6 +1079,8 @@ impl<W: LayoutElement> Layout<W> {
     }
 
     pub fn advance_animations(&mut self, current_time: Duration) {
+        let _span = tracy_client::span!("Layout::advance_animations");
+
         match &mut self.monitor_set {
             MonitorSet::Normal {
                 monitors,
@@ -1608,6 +1610,8 @@ impl Monitor<Window> {
         &self,
         renderer: &mut GlesRenderer,
     ) -> Vec<MonitorRenderElement<GlesRenderer>> {
+        let _span = tracy_client::span!("Monitor::render_elements");
+
         let output_scale = Scale::from(self.output.current_scale().fractional_scale());
         let output_transform = self.output.current_transform();
         let output_mode = self.output.current_mode().unwrap();

src/niri.rs

@@ -893,6 +893,8 @@ impl Niri {
         renderer: &mut GlesRenderer,
         output: &Output,
     ) -> Vec<OutputRenderElements<GlesRenderer>> {
+        let _span = tracy_client::span!("Niri::pointer_element");
+
         let output_scale = Scale::from(output.current_scale().fractional_scale());
         let output_pos = self.global_space.output_geometry(output).unwrap().loc;
         let pointer_pos = self.seat.get_pointer().unwrap().current_location() - output_pos.to_f64();