add setup

wasm-module/Cargo.toml

@@ -12,6 +12,7 @@ strafesnet_common.workspace = true
 strafesnet_graphics.workspace = true
 strafesnet_roblox_bot_file.workspace = true
 strafesnet_snf.workspace = true
+pollster = "0.4.0"
 wasm-bindgen = "0.2.108"
 wgpu = "28.0.0"
 web-sys = { version = "0.3.85", features = ["HtmlCanvasElement"] }

wasm-module/src/lib.rs

@@ -3,6 +3,8 @@ use wasm_bindgen::JsValue;
 use strafesnet_roblox_bot_player::{bot,graphics,head};
 use strafesnet_common::session::Time as SessionTime;
 
+mod setup;
+
 #[wasm_bindgen]
 pub struct Graphics<'a>{
 	graphics:graphics::Graphics<'a>,

wasm-module/src/setup.rs

@@ -0,0 +1,199 @@
+fn optional_features()->wgpu::Features{
+	wgpu::Features::TEXTURE_COMPRESSION_ASTC
+	|wgpu::Features::TEXTURE_COMPRESSION_ETC2
+}
+fn required_features()->wgpu::Features{
+	wgpu::Features::TEXTURE_COMPRESSION_BC
+}
+fn required_downlevel_capabilities()->wgpu::DownlevelCapabilities{
+	wgpu::DownlevelCapabilities{
+		flags:wgpu::DownlevelFlags::empty(),
+		shader_model:wgpu::ShaderModel::Sm5,
+		..wgpu::DownlevelCapabilities::default()
+	}
+}
+
+struct SetupContextPartial1{
+	backends:wgpu::Backends,
+	instance:wgpu::Instance,
+}
+fn create_window(title:&str,event_loop:&winit::event_loop::EventLoop<()>)->Result<winit::window::Window,winit::error::OsError>{
+	let mut attr=winit::window::WindowAttributes::default();
+	attr=attr.with_title(title);
+	event_loop.create_window(attr)
+}
+fn create_instance()->SetupContextPartial1{
+	let backends=wgpu::Backends::from_env().unwrap_or_default();
+	SetupContextPartial1{
+		backends,
+		instance:Default::default(),
+	}
+}
+impl SetupContextPartial1{
+	fn create_surface<'a>(self,window:&'a winit::window::Window)->Result<SetupContextPartial2<'a>,wgpu::CreateSurfaceError>{
+		Ok(SetupContextPartial2{
+			backends:self.backends,
+			surface:self.instance.create_surface(window)?,
+			instance:self.instance,
+		})
+	}
+}
+struct SetupContextPartial2<'a>{
+	backends:wgpu::Backends,
+	instance:wgpu::Instance,
+	surface:wgpu::Surface<'a>,
+}
+impl<'a> SetupContextPartial2<'a>{
+	fn pick_adapter(self)->SetupContextPartial3<'a>{
+		//TODO: prefer adapter that implements optional features
+		//let optional_features=optional_features();
+		let required_features=required_features();
+
+		//no helper function smh gotta write it myself
+		let adapters=pollster::block_on(self.instance.enumerate_adapters(self.backends));
+
+		let chosen_adapter=adapters.into_iter()
+			// reverse because we want to select adapters that appear first in ties,
+			// and max_by_key selects the last equal element in the iterator.
+			.rev()
+			.filter(|adapter|
+				adapter.is_surface_supported(&self.surface)
+				&&adapter.features().contains(required_features)
+			)
+			.max_by_key(|adapter|match adapter.get_info().device_type{
+				wgpu::DeviceType::IntegratedGpu=>3,
+				wgpu::DeviceType::DiscreteGpu=>4,
+				wgpu::DeviceType::VirtualGpu=>2,
+				wgpu::DeviceType::Other|wgpu::DeviceType::Cpu=>1,
+			});
+
+		let adapter=chosen_adapter.expect("No suitable GPU adapters found on the system!");
+
+		let adapter_info=adapter.get_info();
+		println!("Using {} ({:?})", adapter_info.name, adapter_info.backend);
+
+		let required_downlevel_capabilities=required_downlevel_capabilities();
+		let downlevel_capabilities=adapter.get_downlevel_capabilities();
+		assert!(
+			downlevel_capabilities.shader_model >= required_downlevel_capabilities.shader_model,
+			"Adapter does not support the minimum shader model required to run this example: {:?}",
+			required_downlevel_capabilities.shader_model
+		);
+		assert!(
+			downlevel_capabilities
+				.flags
+				.contains(required_downlevel_capabilities.flags),
+			"Adapter does not support the downlevel capabilities required to run this example: {:?}",
+			required_downlevel_capabilities.flags - downlevel_capabilities.flags
+		);
+		SetupContextPartial3{
+			surface:self.surface,
+			adapter,
+		}
+	}
+}
+struct SetupContextPartial3<'a>{
+	surface:wgpu::Surface<'a>,
+	adapter:wgpu::Adapter,
+}
+impl<'a> SetupContextPartial3<'a>{
+	fn request_device(self)->SetupContextPartial4<'a>{
+		let optional_features=optional_features();
+		let required_features=required_features();
+
+		// Make sure we use the texture resolution limits from the adapter, so we can support images the size of the surface.
+		let needed_limits=strafesnet_graphics::graphics::required_limits().using_resolution(self.adapter.limits());
+
+		let (device, queue)=pollster::block_on(self.adapter
+			.request_device(
+				&wgpu::DeviceDescriptor{
+					label:None,
+					required_features:(optional_features&self.adapter.features())|required_features,
+					required_limits:needed_limits,
+					memory_hints:wgpu::MemoryHints::Performance,
+					trace:wgpu::Trace::Off,
+					experimental_features:wgpu::ExperimentalFeatures::disabled(),
+				},
+			))
+			.expect("Unable to find a suitable GPU adapter!");
+
+		SetupContextPartial4{
+			surface:self.surface,
+			adapter:self.adapter,
+			device,
+			queue,
+		}
+	}
+}
+struct SetupContextPartial4<'a>{
+	surface:wgpu::Surface<'a>,
+	adapter:wgpu::Adapter,
+	device:wgpu::Device,
+	queue:wgpu::Queue,
+}
+impl<'a> SetupContextPartial4<'a>{
+	fn configure_surface(self,size:&'a winit::dpi::PhysicalSize<u32>)->SetupContext<'a>{
+		let mut config=self.surface
+			.get_default_config(&self.adapter, size.width, size.height)
+			.expect("Surface isn't supported by the adapter.");
+		let surface_view_format=config.format.add_srgb_suffix();
+		config.view_formats.push(surface_view_format);
+		config.present_mode=wgpu::PresentMode::AutoNoVsync;
+		self.surface.configure(&self.device, &config);
+
+		SetupContext{
+			surface:self.surface,
+			device:self.device,
+			queue:self.queue,
+			config,
+		}
+	}
+}
+pub struct SetupContext<'a>{
+	pub surface:wgpu::Surface<'a>,
+	pub device:wgpu::Device,
+	pub queue:wgpu::Queue,
+	pub config:wgpu::SurfaceConfiguration,
+}
+
+pub fn setup_and_start(title:&str){
+	let event_loop=winit::event_loop::EventLoop::new().unwrap();
+
+	println!("Initializing the surface...");
+
+	let partial_1=create_instance();
+
+	let window=create_window(title,&event_loop).unwrap();
+
+	let partial_2=partial_1.create_surface(&window).unwrap();
+
+	let partial_3=partial_2.pick_adapter();
+
+	let partial_4=partial_3.request_device();
+
+	let size=window.inner_size();
+
+	let setup_context=partial_4.configure_surface(&size);
+
+	//dedicated thread to ping request redraw back and resize the window doesn't seem logical
+
+	//the thread that spawns the physics thread
+	let mut window_thread=crate::window::WindowContext::new(
+		&window,
+		setup_context,
+	);
+
+	for arg in std::env::args().skip(1){
+		window_thread.send(strafesnet_common::instruction::TimedInstruction{
+			time:strafesnet_common::integer::Time::ZERO,
+			instruction:crate::window::Instruction::WindowEvent(winit::event::WindowEvent::DroppedFile(arg.into())),
+		});
+	};
+
+	println!("Entering event loop...");
+	let mut app=crate::app::App::new(
+		std::time::Instant::now(),
+		window_thread
+	);
+	event_loop.run_app(&mut app).unwrap();
+}