Restructure GPU compilation execution pipeline (#903)

* Restructure gpu compilation execution pipeline

* Add compilation server/client infrastructure

* Add wgpu executor

node-graph/wgpu-executor/src/context.rs

@@ -0,0 +1,48 @@
+use std::sync::Arc;
+use wgpu::{Device, Instance, Queue};
+
+#[derive(Debug)]
+pub struct Context {
+	pub device: Arc<Device>,
+	pub queue: Arc<Queue>,
+	pub instance: Arc<Instance>,
+}
+
+impl Context {
+	pub async fn new() -> Option<Self> {
+		// Instantiates instance of WebGPU
+		let instance = wgpu::Instance::new(wgpu::Backends::all());
+
+		// `request_adapter` instantiates the general connection to the GPU
+		let adapter = instance.request_adapter(&wgpu::RequestAdapterOptions::default()).await?;
+
+		// `request_device` instantiates the feature specific connection to the GPU, defining some parameters,
+		//  `features` being the available features.
+		let (device, queue) = adapter
+			.request_device(
+				&wgpu::DeviceDescriptor {
+					label: None,
+					features: wgpu::Features::empty(),
+					limits: wgpu::Limits::downlevel_defaults(),
+				},
+				None,
+			)
+			.await
+			.unwrap();
+
+		let info = adapter.get_info();
+		// skip this on LavaPipe temporarily
+		if info.vendor == 0x10005 {
+			return None;
+		}
+		Some(Self {
+			device: Arc::new(device),
+			queue: Arc::new(queue),
+			instance: Arc::new(instance),
+		})
+	}
+
+	pub fn new_sync() -> Option<Self> {
+		future_executor::block_on(Self::new())
+	}
+}