68 lines
2.3 KiB
Rust
68 lines
2.3 KiB
Rust
#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
|
|
|
|
use eframe::egui;
|
|
|
|
fn main() {
|
|
start_puffin_server(); // NOTE: you may only want to call this if the users specifies some flag or clicks a button!
|
|
|
|
let options = eframe::NativeOptions::default();
|
|
eframe::run_native(
|
|
"My egui App",
|
|
options,
|
|
Box::new(|_cc| Box::new(MyApp::default())),
|
|
);
|
|
}
|
|
|
|
#[derive(Default)]
|
|
struct MyApp {}
|
|
|
|
impl eframe::App for MyApp {
|
|
fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
|
|
egui::CentralPanel::default().show(ctx, |ui| {
|
|
ui.heading("Example of how to use the puffin profiler with egui");
|
|
ui.separator();
|
|
|
|
let cmd = "cargo install puffin_viewer && puffin_viewer --url 127.0.0.1:8585";
|
|
|
|
ui.label("To connect, run this:");
|
|
ui.horizontal(|ui| {
|
|
ui.monospace(cmd);
|
|
if ui.small_button("📋").clicked() {
|
|
ui.output().copied_text = cmd.into();
|
|
}
|
|
});
|
|
|
|
ui.separator();
|
|
|
|
ui.label("Note that this app runs in 'reactive' mode, so you must interact with the app for new profile events to be sent. Waving the mouse over this window is enough.");
|
|
|
|
if ui
|
|
.button(
|
|
"Click to sleep a bit. That should be visible as a spike in the profiler view!",
|
|
)
|
|
.clicked()
|
|
{
|
|
puffin::profile_scope!("sleep");
|
|
std::thread::sleep(std::time::Duration::from_millis(50));
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
fn start_puffin_server() {
|
|
puffin::set_scopes_on(true); // tell puffin to collect data
|
|
|
|
match puffin_http::Server::new("0.0.0.0:8585") {
|
|
Ok(puffin_server) => {
|
|
eprintln!("Run: cargo install puffin_viewer && puffin_viewer --url 127.0.0.1:8585");
|
|
|
|
// We can store the server if we want, but in this case we just want
|
|
// it to keep running. Dropping it closes the server, so let's not drop it!
|
|
#[allow(clippy::mem_forget)]
|
|
std::mem::forget(puffin_server);
|
|
}
|
|
Err(err) => {
|
|
eprintln!("Failed to start puffin server: {}", err);
|
|
}
|
|
};
|
|
}
|