Desktop: Execute editor and node graph natively (#2955)

* Desktop: Execute editor and node graph natively

* Remove decouple execution feature

* Disable feature gate for native communication functions

* Avoid ininite message loop on an infinite canvas

* Add any lint exception

* Build evaluation loop

* Fix texture passing message

* Cleanup

* More cleanup

---------

Co-authored-by: Timon Schelling <me@timon.zip>

desktop/src/main.rs

@@ -1,7 +1,8 @@
-use std::fmt::Debug;
 use std::process::exit;
 use std::time::Instant;
+use std::{fmt::Debug, time::Duration};
 
+use graphite_editor::messages::prelude::Message;
 use tracing_subscriber::EnvFilter;
 use winit::event_loop::EventLoop;
 
@@ -20,6 +21,8 @@ mod dirs;
 pub(crate) enum CustomEvent {
 	UiUpdate(wgpu::Texture),
 	ScheduleBrowserWork(Instant),
+	MessageReceived { message: Message },
+	NodeGraphRan { texture: Option<wgpu::Texture> },
 }
 
 fn main() {
@@ -38,7 +41,7 @@ fn main() {
 
 	let (window_size_sender, window_size_receiver) = std::sync::mpsc::channel();
 
-	let wgpu_context = futures::executor::block_on(WgpuContext::new());
+	let wgpu_context = futures::executor::block_on(WgpuContext::new()).unwrap();
 	let cef_context = match cef_context.init(cef::CefHandler::new(window_size_receiver, event_loop.create_proxy(), wgpu_context.clone())) {
 		Ok(c) => c,
 		Err(cef::InitError::AlreadyRunning) => {
@@ -51,6 +54,25 @@ fn main() {
 		}
 	};
 
+	tracing::info!("Cef initialized successfully");
+
+	let rendering_loop_proxy = event_loop.create_proxy();
+	let target_fps = 60;
+	std::thread::spawn(move || {
+		loop {
+			let last_render = Instant::now();
+			let (has_run, texture) = futures::executor::block_on(graphite_editor::node_graph_executor::run_node_graph());
+			if has_run {
+				let _ = rendering_loop_proxy.send_event(CustomEvent::NodeGraphRan {
+					texture: texture.map(|t| (*t.texture).clone()),
+				});
+			}
+			let frame_time = Duration::from_secs_f32((target_fps as f32).recip());
+			let sleep = last_render + frame_time - Instant::now();
+			std::thread::sleep(sleep);
+		}
+	});
+
 	let mut winit_app = WinitApp::new(cef_context, window_size_sender, wgpu_context);
 
 	event_loop.run_app(&mut winit_app).unwrap();