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Much more accurate cpu_usage timing (#3913)

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`frame.info.cpu_usage` now includes time for tessellation and rendering,
but excludes vsync and context switching.
This commit is contained in:
Emil Ernerfeldt
2024-01-29 19:12:16 +01:00
committed by GitHub
parent 6a94f4f5f0
commit ab39420c29
12 changed files with 123 additions and 63 deletions
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45
crates/eframe/src/native/wgpu_integration.rs
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@@ -528,6 +528,9 @@ impl WgpuWinitRunning {
shared,
} = self;
let mut frame_timer = crate::stopwatch::Stopwatch::new();
frame_timer.start();
let (viewport_ui_cb, raw_input) = {
crate::profile_scope!("Prepare");
let mut shared_lock = shared.borrow_mut();
@@ -628,8 +631,6 @@ impl WgpuWinitRunning {
return EventResult::Wait;
};
integration.post_update();
let FullOutput {
platform_output,
textures_delta,
@@ -640,27 +641,25 @@ impl WgpuWinitRunning {
egui_winit.handle_platform_output(window, platform_output);
{
let clipped_primitives = egui_ctx.tessellate(shapes, pixels_per_point);
let clipped_primitives = egui_ctx.tessellate(shapes, pixels_per_point);
let screenshot_requested = std::mem::take(&mut viewport.screenshot_requested);
let (_vsync_secs, screenshot) = painter.paint_and_update_textures(
viewport_id,
pixels_per_point,
app.clear_color(&egui_ctx.style().visuals),
&clipped_primitives,
&textures_delta,
screenshot_requested,
);
if let Some(screenshot) = screenshot {
egui_winit
.egui_input_mut()
.events
.push(egui::Event::Screenshot {
viewport_id,
image: screenshot.into(),
});
}
let screenshot_requested = std::mem::take(&mut viewport.screenshot_requested);
let (vsync_secs, screenshot) = painter.paint_and_update_textures(
viewport_id,
pixels_per_point,
app.clear_color(&egui_ctx.style().visuals),
&clipped_primitives,
&textures_delta,
screenshot_requested,
);
if let Some(screenshot) = screenshot {
egui_winit
.egui_input_mut()
.events
.push(egui::Event::Screenshot {
viewport_id,
image: screenshot.into(),
});
}
integration.post_rendering(window);
@@ -684,6 +683,8 @@ impl WgpuWinitRunning {
.and_then(|id| viewports.get(id))
.and_then(|vp| vp.window.as_ref());
integration.report_frame_time(frame_timer.total_time_sec() - vsync_secs); // don't count auto-save time as part of regular frame time
integration.maybe_autosave(app.as_mut(), window.map(|w| w.as_ref()));
if let Some(window) = window {