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[frame_stats] Track frame time more tightly

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We now track the frame time from snapshot to snapshot corresponding to
the exact presentation time.
This commit is contained in:
Arman Uguray 2023-03-16 01:08:36 -07:00
parent 1250cdcf86
commit a1c0df1058
1 changed files with 2 additions and 1 deletions
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3
examples/with_winit/src/lib.rs
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@ -101,6 +101,7 @@ fn run(
let mut stats = stats::Stats::new();
let mut stats_shown = true;
let mut vsync_on = true;
let mut frame_start_time = Instant::now();
let start = Instant::now();
let mut touch_state = multi_touch::TouchState::new();
@ -275,7 +276,6 @@ fn run(
let height = render_state.surface.config.height;
let device_handle = &render_cx.devices[render_state.surface.dev_id];
let snapshot = stats.snapshot();
let frame_start_time = Instant::now();
// Allow looping forever
scene_ix = scene_ix.rem_euclid(scenes.scenes.len() as i32);
@ -371,6 +371,7 @@ fn run(
stats.add_sample(stats::Sample {
frame_time_us: frame_start_time.elapsed().as_micros() as u64,
});
frame_start_time = Instant::now();
}
Event::UserEvent(event) => match event {
#[cfg(not(any(target_arch = "wasm32", target_os = "android")))]