Restructure GPU compilation execution pipeline (#903)

* Restructure gpu compilation execution pipeline

* Add compilation server/client infrastructure

* Add wgpu executor

node-graph/future-executor/src/lib.rs

@@ -0,0 +1,26 @@
+use core::future::Future;
+
+pub fn block_on<F: Future + 'static>(future: F) -> F::Output {
+	#[cfg(target_arch = "wasm32")]
+	{
+		use wasm_rs_async_executor::single_threaded as executor;
+
+		let val = std::sync::Arc::new(std::sync::Mutex::new(None));
+		let move_val = val.clone();
+		let result = executor::spawn(async move {
+			let result = executor::yield_async(future).await;
+			*move_val.lock().unwrap() = Some(result);
+			log::info!("Finished");
+		});
+		executor::run(Some(result.task()));
+		loop {
+			if let Some(result) = val.lock().unwrap().take() {
+				return result;
+			}
+			log::info!("Waiting");
+		}
+	}
+
+	#[cfg(not(target_arch = "wasm32"))]
+	futures::executor::block_on(future)
+}