Simple profiling setup

Cargo.toml

@@ -29,6 +29,8 @@ midi-file = { path = "./midi-file" }
 midi-io = { path = "./midi-io" }
 piano-math = { path = "./piano-math" }
 
+profiling = "1.0"
+
 iced_style = "0.12"
 iced_graphics = "0.12"
 iced_core = "0.12"

neothesia-core/Cargo.toml

@@ -14,6 +14,7 @@ glyphon.workspace = true
 wgpu-jumpstart.workspace = true
 piano-math.workspace = true
 midi-file.workspace = true
+profiling.workspace = true
 
 [target.'cfg(target_os = "macos")'.dependencies]
 objc = "0.2"

neothesia-core/src/render/guidelines.rs

@@ -77,6 +77,7 @@ impl GuidelineRenderer {
         }
     }
 
+    #[profiling::function]
     fn update_horizontal_guidelines(
         &mut self,
         quads: &mut QuadPipeline,
@@ -108,6 +109,7 @@ impl GuidelineRenderer {
         }
     }
 
+    #[profiling::function]
     pub fn update(
         &mut self,
         quads: &mut QuadPipeline,

neothesia-core/src/render/keyboard/mod.rs

@@ -85,6 +85,7 @@ impl KeyboardRenderer {
     }
 
     /// Reupload instances to GPU
+    #[profiling::function]
     fn reupload(&mut self) {
         let instances = &mut self.cache;
 
@@ -116,15 +117,20 @@ impl KeyboardRenderer {
         }
     }
 
+    #[profiling::function]
     pub fn update(&mut self, quads: &mut QuadPipeline, layer: usize, text: &mut TextRenderer) {
         if self.cache.is_empty() {
             self.reupload();
         }
 
-        for quad in self.cache.iter() {
-            quads.instances(layer).push(*quad);
+        {
+            profiling::scope!("push from cache");
+            for quad in self.cache.iter() {
+                quads.instances(layer).push(*quad);
+            }
         }
 
+        profiling::scope!("push text");
         let range_start = self.layout.range.start() as usize;
         for key in self.layout.keys.iter().filter(|key| key.note_id() == 0) {
             let x = self.pos.x + key.x();

neothesia-core/src/render/quad/mod.rs

@@ -56,6 +56,7 @@ impl<'a> QuadPipeline {
         self.instances.push(Instances::new(&gpu.device, size));
     }
 
+    #[profiling::function]
     pub fn render(
         &'a self,
         batch_id: usize,
@@ -88,6 +89,7 @@ impl<'a> QuadPipeline {
         self.instances[batch_id].data.push(quad)
     }
 
+    #[profiling::function]
     pub fn prepare(&mut self, device: &wgpu::Device, queue: &wgpu::Queue) {
         for instances in self.instances.iter_mut() {
             instances.update(device, queue);

neothesia-core/src/render/text/mod.rs

@@ -139,6 +139,7 @@ impl TextRenderer {
         });
     }
 
+    #[profiling::function]
     pub fn update(&mut self, logical_size: (u32, u32), gpu: &Gpu) {
         let elements = self.queue.iter().map(|area| glyphon::TextArea {
             buffer: &area.buffer,

neothesia-core/src/render/waterfall/mod.rs

@@ -104,6 +104,7 @@ impl WaterfallRenderer {
         self.notes_pipeline.update_time(queue, time);
     }
 
+    #[profiling::function]
     pub fn render<'rpass>(
         &'rpass mut self,
         transform_uniform: &'rpass Uniform<TransformUniform>,

neothesia/Cargo.toml

@@ -40,6 +40,10 @@ cpal = { version = "0.15", optional = true }
 fluidlite = { version = "0.2", features = ["builtin"], optional = true }
 oxisynth = { version = "0.0.5", optional = true }
 
+profiling = { workspace = true, features = ["profile-with-puffin"] }
+puffin = "0.19"
+puffin_http = "0.16"
+
 [[bin]]
 name = "neothesia"
 

neothesia/src/main.rs

@@ -122,6 +122,7 @@ impl Neothesia {
 
                 self.update(delta);
                 self.render();
+                profiling::finish_frame!();
             }
             WindowEvent::CloseRequested => {
                 event_loop.exit();
@@ -162,6 +163,7 @@ impl Neothesia {
         self.context.window.request_redraw();
     }
 
+    #[profiling::function]
     fn update(&mut self, delta: Duration) {
         #[cfg(debug_assertions)]
         {
@@ -176,6 +178,7 @@ impl Neothesia {
         );
     }
 
+    #[profiling::function]
     fn render(&mut self) {
         let frame = loop {
             let swap_chain_output = self.surface.get_current_texture();
@@ -329,6 +332,9 @@ fn main() {
     )
     .init();
 
+    puffin::set_scopes_on(true); // tell puffin to collect data
+    let _server = puffin_http::Server::new("127.0.0.1:8585").ok();
+
     let event_loop: EventLoop<NeothesiaEvent> = EventLoop::with_user_event().build().unwrap();
     let proxy = event_loop.create_proxy();
 

neothesia/src/scene/menu_scene/mod.rs

@@ -46,6 +46,7 @@ impl MenuScene {
 }
 
 impl Scene for MenuScene {
+    #[profiling::function]
     fn update(&mut self, ctx: &mut Context, delta: Duration) {
         self.bg_pipeline.update_time(&mut ctx.gpu, delta);
         self.iced_state.tick(ctx);
@@ -76,6 +77,7 @@ impl Scene for MenuScene {
         }
     }
 
+    #[profiling::function]
     fn render<'pass>(
         &'pass mut self,
         _transform: &'pass Uniform<TransformUniform>,

neothesia/src/scene/playing_scene/keyboard.rs

@@ -61,6 +61,7 @@ impl Keyboard {
         self.renderer.position_on_bottom_of_parent(parent_height)
     }
 
+    #[profiling::function]
     pub fn resize(&mut self, ctx: &Context) {
         let keyboard_layout = get_layout(
             ctx.window_state.logical_size.width,

neothesia/src/scene/playing_scene/mod.rs

@@ -101,6 +101,7 @@ impl PlayingScene {
         }
     }
 
+    #[profiling::function]
     fn update_midi_player(&mut self, ctx: &Context, delta: Duration) -> f32 {
         if self.top_bar.loop_active && self.player.time() > self.top_bar.loop_end {
             self.player.set_time(self.top_bar.loop_start);
@@ -116,6 +117,7 @@ impl PlayingScene {
         self.player.time_without_lead_in() + ctx.config.playback_offset
     }
 
+    #[profiling::function]
     fn resize(&mut self, ctx: &mut Context) {
         self.keyboard.resize(ctx);
 
@@ -132,6 +134,7 @@ impl PlayingScene {
 }
 
 impl Scene for PlayingScene {
+    #[profiling::function]
     fn update(&mut self, ctx: &mut Context, delta: Duration) {
         self.quad_pipeline.clear();
 
@@ -158,6 +161,7 @@ impl Scene for PlayingScene {
         }
     }
 
+    #[profiling::function]
     fn render<'pass>(
         &'pass mut self,
         transform: &'pass Uniform<TransformUniform>,

neothesia/src/scene/playing_scene/rewind_controller.rs

@@ -50,6 +50,7 @@ impl RewindController {
         }
     }
 
+    #[profiling::function]
     pub fn update(&self, player: &mut MidiPlayer, ctx: &Context) {
         if let RewindController::Keyboard { speed, .. } = self {
             if ctx.window_state.modifiers_state.shift_key() {

neothesia/src/scene/playing_scene/top_bar.rs

@@ -244,6 +244,7 @@ impl TopBar {
         }
     }
 
+    #[profiling::function]
     pub fn update(scene: &mut PlayingScene, window_state: &WindowState, text: &mut TextRenderer) {
         let PlayingScene {
             top_bar,