86 lines
2.6 KiB
Rust
86 lines
2.6 KiB
Rust
//! Demo app for egui
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#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
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#![allow(rustdoc::missing_crate_level_docs)] // it's an example
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#![allow(clippy::never_loop)] // False positive
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// When compiling natively:
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fn main() -> eframe::Result {
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for arg in std::env::args().skip(1) {
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match arg.as_str() {
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"--profile" => {
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#[cfg(feature = "puffin")]
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start_puffin_server();
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#[cfg(not(feature = "puffin"))]
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panic!("Unknown argument: {arg} - you need to enable the 'puffin' feature to use this.");
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}
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_ => {
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panic!("Unknown argument: {arg}");
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}
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}
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}
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{
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// Silence wgpu log spam (https://github.com/gfx-rs/wgpu/issues/3206)
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let mut rust_log = std::env::var("RUST_LOG").unwrap_or_else(|_| {
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if cfg!(debug_assertions) {
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"debug".to_owned()
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} else {
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"info".to_owned()
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}
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});
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for loud_crate in ["naga", "wgpu_core", "wgpu_hal"] {
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if !rust_log.contains(&format!("{loud_crate}=")) {
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rust_log += &format!(",{loud_crate}=warn");
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}
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}
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std::env::set_var("RUST_LOG", rust_log);
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}
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env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
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let options = eframe::NativeOptions {
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viewport: egui::ViewportBuilder::default()
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.with_inner_size([1280.0, 1024.0])
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.with_drag_and_drop(true),
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#[cfg(feature = "wgpu")]
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renderer: eframe::Renderer::Wgpu,
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..Default::default()
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};
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eframe::run_native(
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"egui demo app",
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options,
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Box::new(|cc| Ok(Box::new(egui_demo_app::WrapApp::new(cc)))),
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)
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}
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#[cfg(feature = "puffin")]
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fn start_puffin_server() {
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puffin::set_scopes_on(true); // tell puffin to collect data
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match puffin_http::Server::new("127.0.0.1:8585") {
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Ok(puffin_server) => {
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log::info!("Run: cargo install puffin_viewer && puffin_viewer --url 127.0.0.1:8585");
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std::process::Command::new("puffin_viewer")
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.arg("--url")
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.arg("127.0.0.1:8585")
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.spawn()
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.ok();
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// We can store the server if we want, but in this case we just want
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// it to keep running. Dropping it closes the server, so let's not drop it!
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#[allow(clippy::mem_forget)]
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std::mem::forget(puffin_server);
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}
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Err(err) => {
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log::error!("Failed to start puffin server: {err}");
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}
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};
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}
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