migrations/egui
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[demo] add frame time graph to demo app

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This commit is contained in:
Emil Ernerfeldt
2020-10-01 22:25:44 +02:00
parent 1156525ce9
commit 6fcfb52aa0
18 changed files with 371 additions and 130 deletions
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16
egui_glium/src/backend.rs
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@@ -14,7 +14,7 @@ const EGUI_MEMORY_KEY: &str = "egui";
const WINDOW_KEY: &str = "window";
pub struct GliumBackend {
frame_times: egui::MovementTracker<f32>,
previous_frame_time: Option<f32>,
quit: bool,
painter: Painter,
}
@@ -22,7 +22,7 @@ pub struct GliumBackend {
impl GliumBackend {
pub fn new(painter: Painter) -> Self {
Self {
frame_times: egui::MovementTracker::new(1000, 1.0),
previous_frame_time: None,
quit: false,
painter,
}
@@ -30,12 +30,8 @@ impl GliumBackend {
}
impl Backend for GliumBackend {
fn cpu_time(&self) -> f32 {
self.frame_times.average().unwrap_or_default()
}
fn fps(&self) -> f32 {
1.0 / self.frame_times.mean_time_interval().unwrap_or_default()
fn cpu_usage(&self) -> Option<f32> {
self.previous_frame_time
}
fn seconds_since_midnight(&self) -> Option<f64> {
@@ -100,7 +96,7 @@ pub fn run(title: &str, mut storage: FileStorage, mut app: impl App + 'static) -
let (output, paint_jobs) = ctx.end_frame();
let frame_time = (Instant::now() - egui_start).as_secs_f64() as f32;
runner.frame_times.add(raw_input.time, frame_time);
runner.previous_frame_time = Some(frame_time);
runner
.painter
@@ -127,7 +123,7 @@ pub fn run(title: &str, mut storage: FileStorage, mut app: impl App + 'static) -
glutin::event::Event::WindowEvent { event, .. } => {
input_to_egui(event, clipboard.as_mut(), &mut raw_input, control_flow);
display.gl_window().window().request_redraw(); // TODO: maybe only on some events?
display.gl_window().window().request_redraw(); // TODO: ask Egui if the events warrants a repaint instead
}
glutin::event::Event::LoopDestroyed => {
egui::app::set_value(