framework.rs -> lib.rs, smaller binary flags, removed dependencies and standard main function

.gitignore

@@ -1 +1,2 @@
-/target
+Cargo.lock
+target/

Cargo.toml

@@ -1,23 +1,24 @@
 [package]
 name = "strafe-client"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 async-executor = "1.5.1"
-bytemuck = { version = "1.13.1", features = ["derive"] }
+bytemuck = { version = "1.14.0", features = ["derive"] }
 ddsfile = "0.5.1"
-env_logger = "0.10.0"
 glam = "0.24.1"
-log = "0.4.20"
+logga = "0.1.2"
 obj = "0.10.2"
 pollster = "0.3.0"
 wgpu = "0.17.0"
 winit = "0.28.6"
 
 [profile.release]
-lto = true
-strip = true
 codegen-units = 1
+lto = true
+opt-level = "z"
+panic = "abort"
+strip = true

src/framework.rs

@@ -1,516 +0,0 @@
-use std::future::Future;
-#[cfg(target_arch = "wasm32")]
-use std::str::FromStr;
-#[cfg(not(target_arch = "wasm32"))]
-use std::time::Instant;
-#[cfg(target_arch = "wasm32")]
-use web_sys::{ImageBitmapRenderingContext, OffscreenCanvas};
-use winit::{
-	event::{self, WindowEvent},
-	event_loop::{ControlFlow, EventLoop},
-};
-
-#[allow(dead_code)]
-pub fn cast_slice<T>(data: &[T]) -> &[u8] {
-	use std::{mem::size_of, slice::from_raw_parts};
-
-	unsafe { from_raw_parts(data.as_ptr() as *const u8, data.len() * size_of::<T>()) }
-}
-
-#[allow(dead_code)]
-pub enum ShaderStage {
-	Vertex,
-	Fragment,
-	Compute,
-}
-
-pub trait Example: 'static + Sized {
-	fn optional_features() -> wgpu::Features {
-		wgpu::Features::empty()
-	}
-	fn required_features() -> wgpu::Features {
-		wgpu::Features::empty()
-	}
-	fn required_downlevel_capabilities() -> wgpu::DownlevelCapabilities {
-		wgpu::DownlevelCapabilities {
-			flags: wgpu::DownlevelFlags::empty(),
-			shader_model: wgpu::ShaderModel::Sm5,
-			..wgpu::DownlevelCapabilities::default()
-		}
-	}
-	fn required_limits() -> wgpu::Limits {
-		wgpu::Limits::downlevel_webgl2_defaults() // These downlevel limits will allow the code to run on all possible hardware
-	}
-	fn init(
-		config: &wgpu::SurfaceConfiguration,
-		adapter: &wgpu::Adapter,
-		device: &wgpu::Device,
-		queue: &wgpu::Queue,
-	) -> Self;
-	fn resize(
-		&mut self,
-		config: &wgpu::SurfaceConfiguration,
-		device: &wgpu::Device,
-		queue: &wgpu::Queue,
-	);
-	fn update(&mut self, event: WindowEvent);
-	fn move_mouse(&mut self, delta: (f64,f64));
-	fn render(
-		&mut self,
-		view: &wgpu::TextureView,
-		device: &wgpu::Device,
-		queue: &wgpu::Queue,
-		spawner: &Spawner,
-	);
-}
-
-struct Setup {
-	window: winit::window::Window,
-	event_loop: EventLoop<()>,
-	instance: wgpu::Instance,
-	size: winit::dpi::PhysicalSize<u32>,
-	surface: wgpu::Surface,
-	adapter: wgpu::Adapter,
-	device: wgpu::Device,
-	queue: wgpu::Queue,
-	#[cfg(target_arch = "wasm32")]
-	offscreen_canvas_setup: Option<OffscreenCanvasSetup>,
-}
-
-#[cfg(target_arch = "wasm32")]
-struct OffscreenCanvasSetup {
-	offscreen_canvas: OffscreenCanvas,
-	bitmap_renderer: ImageBitmapRenderingContext,
-}
-
-async fn setup<E: Example>(title: &str) -> Setup {
-	#[cfg(not(target_arch = "wasm32"))]
-	{
-		env_logger::init();
-	};
-
-	let event_loop = EventLoop::new();
-	let mut builder = winit::window::WindowBuilder::new();
-	builder = builder.with_title(title);
-	#[cfg(windows_OFF)] // TODO
-	{
-		use winit::platform::windows::WindowBuilderExtWindows;
-		builder = builder.with_no_redirection_bitmap(true);
-	}
-	let window = builder.build(&event_loop).unwrap();
-
-	#[cfg(target_arch = "wasm32")]
-	{
-		use winit::platform::web::WindowExtWebSys;
-		let query_string = web_sys::window().unwrap().location().search().unwrap();
-		let level: log::Level = parse_url_query_string(&query_string, "RUST_LOG")
-			.and_then(|x| x.parse().ok())
-			.unwrap_or(log::Level::Error);
-		console_log::init_with_level(level).expect("could not initialize logger");
-		std::panic::set_hook(Box::new(console_error_panic_hook::hook));
-		// On wasm, append the canvas to the document body
-		web_sys::window()
-			.and_then(|win| win.document())
-			.and_then(|doc| doc.body())
-			.and_then(|body| {
-				body.append_child(&web_sys::Element::from(window.canvas()))
-					.ok()
-			})
-			.expect("couldn't append canvas to document body");
-	}
-
-	#[cfg(target_arch = "wasm32")]
-	let mut offscreen_canvas_setup: Option<OffscreenCanvasSetup> = None;
-	#[cfg(target_arch = "wasm32")]
-	{
-		use wasm_bindgen::JsCast;
-		use winit::platform::web::WindowExtWebSys;
-
-		let query_string = web_sys::window().unwrap().location().search().unwrap();
-		if let Some(offscreen_canvas_param) =
-			parse_url_query_string(&query_string, "offscreen_canvas")
-		{
-			if FromStr::from_str(offscreen_canvas_param) == Ok(true) {
-				log::info!("Creating OffscreenCanvasSetup");
-
-				let offscreen_canvas =
-					OffscreenCanvas::new(1024, 768).expect("couldn't create OffscreenCanvas");
-
-				let bitmap_renderer = window
-					.canvas()
-					.get_context("bitmaprenderer")
-					.expect("couldn't create ImageBitmapRenderingContext (Result)")
-					.expect("couldn't create ImageBitmapRenderingContext (Option)")
-					.dyn_into::<ImageBitmapRenderingContext>()
-					.expect("couldn't convert into ImageBitmapRenderingContext");
-
-				offscreen_canvas_setup = Some(OffscreenCanvasSetup {
-					offscreen_canvas,
-					bitmap_renderer,
-				})
-			}
-		}
-	};
-
-	log::info!("Initializing the surface...");
-
-	let backends = wgpu::util::backend_bits_from_env().unwrap_or_else(wgpu::Backends::all);
-	let dx12_shader_compiler = wgpu::util::dx12_shader_compiler_from_env().unwrap_or_default();
-
-	let instance = wgpu::Instance::new(wgpu::InstanceDescriptor {
-		backends,
-		dx12_shader_compiler,
-	});
-	let (size, surface) = unsafe {
-		let size = window.inner_size();
-
-		#[cfg(any(not(target_arch = "wasm32"), target_os = "emscripten"))]
-		let surface = instance.create_surface(&window).unwrap();
-		#[cfg(all(target_arch = "wasm32", not(target_os = "emscripten")))]
-		let surface = {
-			if let Some(offscreen_canvas_setup) = &offscreen_canvas_setup {
-				log::info!("Creating surface from OffscreenCanvas");
-				instance.create_surface_from_offscreen_canvas(
-					offscreen_canvas_setup.offscreen_canvas.clone(),
-				)
-			} else {
-				instance.create_surface(&window)
-			}
-		}
-		.unwrap();
-
-		(size, surface)
-	};
-	let adapter = wgpu::util::initialize_adapter_from_env_or_default(&instance, Some(&surface))
-		.await
-		.expect("No suitable GPU adapters found on the system!");
-
-	#[cfg(not(target_arch = "wasm32"))]
-	{
-		let adapter_info = adapter.get_info();
-		println!("Using {} ({:?})", adapter_info.name, adapter_info.backend);
-	}
-
-	let optional_features = E::optional_features();
-	let required_features = E::required_features();
-	let adapter_features = adapter.features();
-	assert!(
-		adapter_features.contains(required_features),
-		"Adapter does not support required features for this example: {:?}",
-		required_features - adapter_features
-	);
-
-	let required_downlevel_capabilities = E::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
-	);
-
-	// Make sure we use the texture resolution limits from the adapter, so we can support images the size of the surface.
-	let needed_limits = E::required_limits().using_resolution(adapter.limits());
-
-	let trace_dir = std::env::var("WGPU_TRACE");
-	let (device, queue) = adapter
-		.request_device(
-			&wgpu::DeviceDescriptor {
-				label: None,
-				features: (optional_features & adapter_features) | required_features,
-				limits: needed_limits,
-			},
-			trace_dir.ok().as_ref().map(std::path::Path::new),
-		)
-		.await
-		.expect("Unable to find a suitable GPU adapter!");
-
-	Setup {
-		window,
-		event_loop,
-		instance,
-		size,
-		surface,
-		adapter,
-		device,
-		queue,
-		#[cfg(target_arch = "wasm32")]
-		offscreen_canvas_setup,
-	}
-}
-
-fn start<E: Example>(
-	#[cfg(not(target_arch = "wasm32"))] Setup {
-		window,
-		event_loop,
-		instance,
-		size,
-		surface,
-		adapter,
-		device,
-		queue,
-	}: Setup,
-	#[cfg(target_arch = "wasm32")] Setup {
-		window,
-		event_loop,
-		instance,
-		size,
-		surface,
-		adapter,
-		device,
-		queue,
-		offscreen_canvas_setup,
-	}: Setup,
-) {
-	let spawner = Spawner::new();
-	let mut config = surface
-		.get_default_config(&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);
-	surface.configure(&device, &config);
-
-	log::info!("Initializing the example...");
-	let mut example = E::init(&config, &adapter, &device, &queue);
-
-	#[cfg(not(target_arch = "wasm32"))]
-	let mut last_frame_inst = Instant::now();
-	#[cfg(not(target_arch = "wasm32"))]
-	let (mut frame_count, mut accum_time) = (0, 0.0);
-
-	log::info!("Entering render loop...");
-	event_loop.run(move |event, _, control_flow| {
-		let _ = (&instance, &adapter); // force ownership by the closure
-		*control_flow = if cfg!(feature = "metal-auto-capture") {
-			ControlFlow::Exit
-		} else {
-			ControlFlow::Poll
-		};
-		match event {
-			event::Event::RedrawEventsCleared => {
-				#[cfg(not(target_arch = "wasm32"))]
-				spawner.run_until_stalled();
-
-				window.request_redraw();
-			}
-			event::Event::WindowEvent {
-				event:
-					WindowEvent::Resized(size)
-					| WindowEvent::ScaleFactorChanged {
-						new_inner_size: &mut size,
-						..
-					},
-				..
-			} => {
-				// Once winit is fixed, the detection conditions here can be removed.
-				// https://github.com/rust-windowing/winit/issues/2876
-				let max_dimension = adapter.limits().max_texture_dimension_2d;
-				if size.width > max_dimension || size.height > max_dimension {
-					log::warn!(
-						"The resizing size {:?} exceeds the limit of {}.",
-						size,
-						max_dimension
-					);
-				} else {
-					log::info!("Resizing to {:?}", size);
-					config.width = size.width.max(1);
-					config.height = size.height.max(1);
-					example.resize(&config, &device, &queue);
-					surface.configure(&device, &config);
-				}
-			}
-			event::Event::WindowEvent { event, .. } => match event {
-				WindowEvent::KeyboardInput {
-					input:
-						event::KeyboardInput {
-							virtual_keycode: Some(event::VirtualKeyCode::Escape),
-							state: event::ElementState::Pressed,
-							..
-						},
-					..
-				}
-				| WindowEvent::CloseRequested => {
-					*control_flow = ControlFlow::Exit;
-				}
-				#[cfg(not(target_arch = "wasm32"))]
-				WindowEvent::KeyboardInput {
-					input:
-						event::KeyboardInput {
-							virtual_keycode: Some(event::VirtualKeyCode::R),
-							state: event::ElementState::Pressed,
-							..
-						},
-					..
-				} => {
-					println!("{:#?}", instance.generate_report());
-				}
-				_ => {
-					example.update(event);
-				}
-			},
-			event::Event::DeviceEvent {
-				event:
-					winit::event::DeviceEvent::MouseMotion {
-						delta,
-					},
-				..
-			} => {
-				example.move_mouse(delta);
-			},
-			event::Event::RedrawRequested(_) => {
-				#[cfg(not(target_arch = "wasm32"))]
-				{
-					accum_time += last_frame_inst.elapsed().as_secs_f32();
-					last_frame_inst = Instant::now();
-					frame_count += 1;
-					if frame_count == 100 {
-						println!(
-							"Avg frame time {}ms",
-							accum_time * 1000.0 / frame_count as f32
-						);
-						accum_time = 0.0;
-						frame_count = 0;
-					}
-				}
-
-				let frame = match surface.get_current_texture() {
-					Ok(frame) => frame,
-					Err(_) => {
-						surface.configure(&device, &config);
-						surface
-							.get_current_texture()
-							.expect("Failed to acquire next surface texture!")
-					}
-				};
-				let view = frame.texture.create_view(&wgpu::TextureViewDescriptor {
-					format: Some(surface_view_format),
-					..wgpu::TextureViewDescriptor::default()
-				});
-
-				example.render(&view, &device, &queue, &spawner);
-
-				frame.present();
-
-				#[cfg(target_arch = "wasm32")]
-				{
-					if let Some(offscreen_canvas_setup) = &offscreen_canvas_setup {
-						let image_bitmap = offscreen_canvas_setup
-							.offscreen_canvas
-							.transfer_to_image_bitmap()
-							.expect("couldn't transfer offscreen canvas to image bitmap.");
-						offscreen_canvas_setup
-							.bitmap_renderer
-							.transfer_from_image_bitmap(&image_bitmap);
-
-						log::info!("Transferring OffscreenCanvas to ImageBitmapRenderer");
-					}
-				}
-			}
-			_ => {}
-		}
-	});
-}
-
-#[cfg(not(target_arch = "wasm32"))]
-pub struct Spawner<'a> {
-	executor: async_executor::LocalExecutor<'a>,
-}
-
-#[cfg(not(target_arch = "wasm32"))]
-impl<'a> Spawner<'a> {
-	fn new() -> Self {
-		Self {
-			executor: async_executor::LocalExecutor::new(),
-		}
-	}
-
-	#[allow(dead_code)]
-	pub fn spawn_local(&self, future: impl Future<Output = ()> + 'a) {
-		self.executor.spawn(future).detach();
-	}
-
-	fn run_until_stalled(&self) {
-		while self.executor.try_tick() {}
-	}
-}
-
-#[cfg(target_arch = "wasm32")]
-pub struct Spawner {}
-
-#[cfg(target_arch = "wasm32")]
-impl Spawner {
-	fn new() -> Self {
-		Self {}
-	}
-
-	#[allow(dead_code)]
-	pub fn spawn_local(&self, future: impl Future<Output = ()> + 'static) {
-		wasm_bindgen_futures::spawn_local(future);
-	}
-}
-
-#[cfg(not(target_arch = "wasm32"))]
-pub fn run<E: Example>(title: &str) {
-	let setup = pollster::block_on(setup::<E>(title));
-	start::<E>(setup);
-}
-
-#[cfg(target_arch = "wasm32")]
-pub fn run<E: Example>(title: &str) {
-	use wasm_bindgen::prelude::*;
-
-	let title = title.to_owned();
-	wasm_bindgen_futures::spawn_local(async move {
-		let setup = setup::<E>(&title).await;
-		let start_closure = Closure::once_into_js(move || start::<E>(setup));
-
-		// make sure to handle JS exceptions thrown inside start.
-		// Otherwise wasm_bindgen_futures Queue would break and never handle any tasks again.
-		// This is required, because winit uses JS exception for control flow to escape from `run`.
-		if let Err(error) = call_catch(&start_closure) {
-			let is_control_flow_exception = error.dyn_ref::<js_sys::Error>().map_or(false, |e| {
-				e.message().includes("Using exceptions for control flow", 0)
-			});
-
-			if !is_control_flow_exception {
-				web_sys::console::error_1(&error);
-			}
-		}
-
-		#[wasm_bindgen]
-		extern "C" {
-			#[wasm_bindgen(catch, js_namespace = Function, js_name = "prototype.call.call")]
-			fn call_catch(this: &JsValue) -> Result<(), JsValue>;
-		}
-	});
-}
-
-#[cfg(target_arch = "wasm32")]
-/// Parse the query string as returned by `web_sys::window()?.location().search()?` and get a
-/// specific key out of it.
-pub fn parse_url_query_string<'a>(query: &'a str, search_key: &str) -> Option<&'a str> {
-	let query_string = query.strip_prefix('?')?;
-
-	for pair in query_string.split('&') {
-		let mut pair = pair.split('=');
-		let key = pair.next()?;
-		let value = pair.next()?;
-
-		if key == search_key {
-			return Some(value);
-		}
-	}
-
-	None
-}
-
-// This allows treating the framework as a standalone example,
-// thus avoiding listing the example names in `Cargo.toml`.
-#[allow(dead_code)]
-fn main() {}

src/lib.rs

@@ -1 +1,414 @@
-pub mod framework;
+#[cfg(not(target_arch = "wasm32"))]
+use std::time::Instant;
+use winit::{
+	event::{self, WindowEvent},
+	event_loop::{ControlFlow, EventLoop},
+};
+use logga;
+
+#[allow(dead_code)]
+pub fn cast_slice<T>(data: &[T]) -> &[u8] {
+	use std::{mem::size_of, slice::from_raw_parts};
+
+	unsafe { from_raw_parts(data.as_ptr() as *const u8, data.len() * size_of::<T>()) }
+}
+
+#[allow(dead_code)]
+pub enum ShaderStage {
+	Vertex,
+	Fragment,
+	Compute,
+}
+
+pub trait Example: 'static + Sized {
+	fn optional_features() -> wgpu::Features {
+		wgpu::Features::empty()
+	}
+	fn required_features() -> wgpu::Features {
+		wgpu::Features::empty()
+	}
+	fn required_downlevel_capabilities() -> wgpu::DownlevelCapabilities {
+		wgpu::DownlevelCapabilities {
+			flags: wgpu::DownlevelFlags::empty(),
+			shader_model: wgpu::ShaderModel::Sm5,
+			..wgpu::DownlevelCapabilities::default()
+		}
+	}
+	fn required_limits() -> wgpu::Limits {
+		wgpu::Limits::downlevel_webgl2_defaults() // These downlevel limits will allow the code to run on all possible hardware
+	}
+	fn init(
+		config: &wgpu::SurfaceConfiguration,
+		adapter: &wgpu::Adapter,
+		device: &wgpu::Device,
+		queue: &wgpu::Queue,
+	) -> Self;
+	fn resize(
+		&mut self,
+		config: &wgpu::SurfaceConfiguration,
+		device: &wgpu::Device,
+		queue: &wgpu::Queue,
+	);
+	fn update(&mut self, event: WindowEvent);
+	fn move_mouse(&mut self, delta: (f64,f64));
+	fn render(
+		&mut self,
+		view: &wgpu::TextureView,
+		device: &wgpu::Device,
+		queue: &wgpu::Queue,
+	);
+}
+
+struct Setup {
+	window: winit::window::Window,
+	event_loop: EventLoop<()>,
+	instance: wgpu::Instance,
+	size: winit::dpi::PhysicalSize<u32>,
+	surface: wgpu::Surface,
+	adapter: wgpu::Adapter,
+	device: wgpu::Device,
+	queue: wgpu::Queue,
+	#[cfg(target_arch = "wasm32")]
+	offscreen_canvas_setup: Option<OffscreenCanvasSetup>,
+}
+
+#[cfg(target_arch = "wasm32")]
+struct OffscreenCanvasSetup {
+	offscreen_canvas: OffscreenCanvas,
+	bitmap_renderer: ImageBitmapRenderingContext,
+}
+
+async fn setup<E: Example>(title: &str) -> Setup {
+	//logga::init();
+
+	let event_loop = EventLoop::new();
+	let mut builder = winit::window::WindowBuilder::new();
+	builder = builder.with_title(title);
+	#[cfg(windows_OFF)] // TODO
+	{
+		use winit::platform::windows::WindowBuilderExtWindows;
+		builder = builder.with_no_redirection_bitmap(true);
+	}
+	let window = builder.build(&event_loop).unwrap();
+
+	#[cfg(target_arch = "wasm32")]
+	{
+		use winit::platform::web::WindowExtWebSys;
+		let query_string = web_sys::window().unwrap().location().search().unwrap();
+		let level: log::Level = parse_url_query_string(&query_string, "RUST_LOG")
+			.and_then(|x| x.parse().ok())
+			.unwrap_or(log::Level::Error);
+		console_log::init_with_level(level).expect("could not initialize logger");
+		std::panic::set_hook(Box::new(console_error_panic_hook::hook));
+		// On wasm, append the canvas to the document body
+		web_sys::window()
+			.and_then(|win| win.document())
+			.and_then(|doc| doc.body())
+			.and_then(|body| {
+				body.append_child(&web_sys::Element::from(window.canvas()))
+					.ok()
+			})
+			.expect("couldn't append canvas to document body");
+	}
+
+	#[cfg(target_arch = "wasm32")]
+	let mut offscreen_canvas_setup: Option<OffscreenCanvasSetup> = None;
+	#[cfg(target_arch = "wasm32")]
+	{
+		use wasm_bindgen::JsCast;
+		use winit::platform::web::WindowExtWebSys;
+
+		let query_string = web_sys::window().unwrap().location().search().unwrap();
+		if let Some(offscreen_canvas_param) =
+			parse_url_query_string(&query_string, "offscreen_canvas")
+		{
+			if FromStr::from_str(offscreen_canvas_param) == Ok(true) {
+				logga::info!("Creating OffscreenCanvasSetup");
+
+				let offscreen_canvas =
+					OffscreenCanvas::new(1024, 768).expect("couldn't create OffscreenCanvas");
+
+				let bitmap_renderer = window
+					.canvas()
+					.get_context("bitmaprenderer")
+					.expect("couldn't create ImageBitmapRenderingContext (Result)")
+					.expect("couldn't create ImageBitmapRenderingContext (Option)")
+					.dyn_into::<ImageBitmapRenderingContext>()
+					.expect("couldn't convert into ImageBitmapRenderingContext");
+
+				offscreen_canvas_setup = Some(OffscreenCanvasSetup {
+					offscreen_canvas,
+					bitmap_renderer,
+				})
+			}
+		}
+	};
+
+	logga::info!("Initializing the surface...");
+
+	let backends = wgpu::util::backend_bits_from_env().unwrap_or_else(wgpu::Backends::all);
+	let dx12_shader_compiler = wgpu::util::dx12_shader_compiler_from_env().unwrap_or_default();
+
+	let instance = wgpu::Instance::new(wgpu::InstanceDescriptor {
+		backends,
+		dx12_shader_compiler,
+	});
+	let (size, surface) = unsafe {
+		let size = window.inner_size();
+
+		#[cfg(any(not(target_arch = "wasm32"), target_os = "emscripten"))]
+		let surface = instance.create_surface(&window).unwrap();
+		#[cfg(all(target_arch = "wasm32", not(target_os = "emscripten")))]
+		let surface = {
+			if let Some(offscreen_canvas_setup) = &offscreen_canvas_setup {
+				logga::info!("Creating surface from OffscreenCanvas");
+				instance.create_surface_from_offscreen_canvas(
+					offscreen_canvas_setup.offscreen_canvas.clone(),
+				)
+			} else {
+				instance.create_surface(&window)
+			}
+		}
+		.unwrap();
+
+		(size, surface)
+	};
+	let adapter = wgpu::util::initialize_adapter_from_env_or_default(&instance, Some(&surface))
+		.await
+		.expect("No suitable GPU adapters found on the system!");
+
+	#[cfg(not(target_arch = "wasm32"))]
+	{
+		let adapter_info = adapter.get_info();
+		println!("Using {} ({:?})", adapter_info.name, adapter_info.backend);
+	}
+
+	let optional_features = E::optional_features();
+	let required_features = E::required_features();
+	let adapter_features = adapter.features();
+	assert!(
+		adapter_features.contains(required_features),
+		"Adapter does not support required features for this example: {:?}",
+		required_features - adapter_features
+	);
+
+	let required_downlevel_capabilities = E::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
+	);
+
+	// Make sure we use the texture resolution limits from the adapter, so we can support images the size of the surface.
+	let needed_limits = E::required_limits().using_resolution(adapter.limits());
+
+	let trace_dir = std::env::var("WGPU_TRACE");
+	let (device, queue) = adapter
+		.request_device(
+			&wgpu::DeviceDescriptor {
+				label: None,
+				features: (optional_features & adapter_features) | required_features,
+				limits: needed_limits,
+			},
+			trace_dir.ok().as_ref().map(std::path::Path::new),
+		)
+		.await
+		.expect("Unable to find a suitable GPU adapter!");
+
+	Setup {
+		window,
+		event_loop,
+		instance,
+		size,
+		surface,
+		adapter,
+		device,
+		queue,
+		#[cfg(target_arch = "wasm32")]
+		offscreen_canvas_setup,
+	}
+}
+
+fn start<E: Example>(
+	#[cfg(not(target_arch = "wasm32"))] Setup {
+		window,
+		event_loop,
+		instance,
+		size,
+		surface,
+		adapter,
+		device,
+		queue,
+	}: Setup,
+	#[cfg(target_arch = "wasm32")] Setup {
+		window,
+		event_loop,
+		instance,
+		size,
+		surface,
+		adapter,
+		device,
+		queue,
+		offscreen_canvas_setup,
+	}: Setup,
+) {
+	let mut config = surface
+		.get_default_config(&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);
+	surface.configure(&device, &config);
+
+	logga::info!("Initializing the example...");
+	let mut example = E::init(&config, &adapter, &device, &queue);
+
+	#[cfg(not(target_arch = "wasm32"))]
+	let mut last_frame_inst = Instant::now();
+	#[cfg(not(target_arch = "wasm32"))]
+	let (mut frame_count, mut accum_time) = (0, 0.0);
+
+	logga::info!("Entering render loop...");
+	event_loop.run(move |event, _, control_flow| {
+		let _ = (&instance, &adapter); // force ownership by the closure
+		*control_flow = if cfg!(feature = "metal-auto-capture") {
+			ControlFlow::Exit
+		} else {
+			ControlFlow::Poll
+		};
+		match event {
+			event::Event::RedrawEventsCleared => {
+				#[cfg(not(target_arch = "wasm32"))]
+
+				window.request_redraw();
+			}
+			event::Event::WindowEvent {
+				event:
+					WindowEvent::Resized(size)
+					| WindowEvent::ScaleFactorChanged {
+						new_inner_size: &mut size,
+						..
+					},
+				..
+			} => {
+				// Once winit is fixed, the detection conditions here can be removed.
+				// https://github.com/rust-windowing/winit/issues/2876
+				let max_dimension = adapter.limits().max_texture_dimension_2d;
+				if size.width > max_dimension || size.height > max_dimension {
+					logga::warn!(
+						"The resizing size {:?} exceeds the limit of {}.",
+						size,
+						max_dimension
+					);
+				} else {
+					logga::info!("Resizing to {:?}", size);
+					config.width = size.width.max(1);
+					config.height = size.height.max(1);
+					example.resize(&config, &device, &queue);
+					surface.configure(&device, &config);
+				}
+			}
+			event::Event::WindowEvent { event, .. } => match event {
+				WindowEvent::KeyboardInput {
+					input:
+						event::KeyboardInput {
+							virtual_keycode: Some(event::VirtualKeyCode::Escape),
+							state: event::ElementState::Pressed,
+							..
+						},
+					..
+				}
+				| WindowEvent::CloseRequested => {
+					*control_flow = ControlFlow::Exit;
+				}
+				#[cfg(not(target_arch = "wasm32"))]
+				WindowEvent::KeyboardInput {
+					input:
+						event::KeyboardInput {
+							virtual_keycode: Some(event::VirtualKeyCode::R),
+							state: event::ElementState::Pressed,
+							..
+						},
+					..
+				} => {
+					println!("{:#?}", instance.generate_report());
+				}
+				_ => {
+					example.update(event);
+				}
+			},
+			event::Event::DeviceEvent {
+				event:
+					winit::event::DeviceEvent::MouseMotion {
+						delta,
+					},
+				..
+			} => {
+				example.move_mouse(delta);
+			},
+			event::Event::RedrawRequested(_) => {
+				#[cfg(not(target_arch = "wasm32"))]
+				{
+					accum_time += last_frame_inst.elapsed().as_secs_f32();
+					last_frame_inst = Instant::now();
+					frame_count += 1;
+					if frame_count == 100 {
+						println!(
+							"Avg frame time {}ms",
+							accum_time * 1000.0 / frame_count as f32
+						);
+						accum_time = 0.0;
+						frame_count = 0;
+					}
+				}
+
+				let frame = match surface.get_current_texture() {
+					Ok(frame) => frame,
+					Err(_) => {
+						surface.configure(&device, &config);
+						surface
+							.get_current_texture()
+							.expect("Failed to acquire next surface texture!")
+					}
+				};
+				let view = frame.texture.create_view(&wgpu::TextureViewDescriptor {
+					format: Some(surface_view_format),
+					..wgpu::TextureViewDescriptor::default()
+				});
+
+				example.render(&view, &device, &queue);
+
+				frame.present();
+
+				#[cfg(target_arch = "wasm32")]
+				{
+					if let Some(offscreen_canvas_setup) = &offscreen_canvas_setup {
+						let image_bitmap = offscreen_canvas_setup
+							.offscreen_canvas
+							.transfer_to_image_bitmap()
+							.expect("couldn't transfer offscreen canvas to image bitmap.");
+						offscreen_canvas_setup
+							.bitmap_renderer
+							.transfer_from_image_bitmap(&image_bitmap);
+
+						logga::info!("Transferring OffscreenCanvas to ImageBitmapRenderer");
+					}
+				}
+			}
+			_ => {}
+		}
+	});
+}
+
+#[cfg(not(target_arch = "wasm32"))]
+pub fn run<E: Example>(title: &str) {
+	let setup = pollster::block_on(setup::<E>(title));
+	start::<E>(setup);
+}

src/main.rs

@@ -1,3 +1,163 @@
+//#![no_std]
+#![no_main]
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+// I'm trying to replace the stdlib functions so don't delete this yet
+/*
+extern crate std;
+use std::*;
+
+
+
+pub struct Vec<T> {
+    data: [T; 16],
+    len: usize,
+}
+impl<T> Vec<T> {
+    pub fn new() -> Self {
+        Vec {
+            data: Default::default(),
+            len: 0,
+        }
+    }
+
+    pub fn push(&mut self, value: T) -> Result<(), &'static str> {
+        if self.len < self.data.len() {
+            self.data[self.len] = value;
+            self.len += 1;
+            Ok(())
+        } else {
+            Err("Vec is full")
+        }
+    }
+
+    pub fn pop(&mut self) -> Option<T> {
+        if self.len > 0 {
+            self.len -= 1;
+            Some(std::mem::replace(&mut self.data[self.len], Default::default()))
+        } else {
+            None
+        }
+    }
+
+    pub fn len(&self) -> usize {
+        self.len
+    }
+
+    pub fn capacity(&self) -> usize {
+        self.data.len()
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.len == 0
+    }
+}
+
+pub struct Iter<'a, T> {
+    vec: &'a Vec<T>,
+    index: usize,
+}
+
+impl<'a, T> Vec<T> {
+    // ... previous methods ...
+
+    pub fn iter(&'a self) -> Iter<'a, T> {
+        Iter {
+            vec: self,
+            index: 0,
+        }
+    }
+}
+
+impl<'a, T> Iterator for Iter<'a, T> {
+    type Item = &'a T;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        if self.index < self.vec.len {
+            let item = &self.vec.data[self.index];
+            self.index += 1;
+            Some(item)
+        } else {
+            None
+        }
+    }
+}
+
+
+
+
+
+
+
+
+
+impl<T> Vec<T> {
+    // (Previous methods omitted for brevity)
+
+    pub fn drain(&mut self, range: std::ops::Range<usize>) -> Drain<T> {
+        Drain {
+            vec: self,
+            range,
+        }
+    }
+}
+
+pub struct Drain<'a, T> {
+    vec: &'a mut Vec<T>,
+    range: std::ops::Range<usize>,
+}
+
+impl<'a, T> Iterator for Drain<'a, T> {
+    type Item = T;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        if let Some(index) = self.range.next_back() {
+            if index < self.vec.len {
+                // Swap and remove the element from the Vec
+                let last_index = self.vec.len - 1;
+                self.vec.len -= 1;
+                Some(std::mem::replace(&mut self.vec.data[index], Default::default()))
+            } else {
+                None
+            }
+        } else {
+            None
+        }
+    }
+}
+*/
+
+
+
+
+//extern crate logga;
+//extern crate libc;
+
+/*
+#[panic_handler]
+fn my_panic(_info: &core::panic::PanicInfo) -> ! {
+	loop {}
+}
+*/
+
+
+
+
+//use logga;
 use bytemuck::{Pod, Zeroable};
 use std::{borrow::Cow, time::Instant};
 use wgpu::{util::DeviceExt, AstcBlock, AstcChannel};
@@ -215,7 +375,7 @@ fn add_obj(device:&wgpu::Device,modeldatas:& mut Vec<ModelData>,source:&[u8]){
 	}
 }
 
-impl strafe_client::framework::Example for Skybox {
+impl strafe_client::Example for Skybox {
 	fn optional_features() -> wgpu::Features {
 		wgpu::Features::TEXTURE_COMPRESSION_ASTC
 			| wgpu::Features::TEXTURE_COMPRESSION_ETC2
@@ -419,19 +579,19 @@ impl strafe_client::framework::Example for Skybox {
 		let device_features = device.features();
 
 		let skybox_format = if device_features.contains(wgpu::Features::TEXTURE_COMPRESSION_ASTC) {
-			log::info!("Using ASTC");
+			logga::info!("Using ASTC");
 			wgpu::TextureFormat::Astc {
 				block: AstcBlock::B4x4,
 				channel: AstcChannel::UnormSrgb,
 			}
 		} else if device_features.contains(wgpu::Features::TEXTURE_COMPRESSION_ETC2) {
-			log::info!("Using ETC2");
+			logga::info!("Using ETC2");
 			wgpu::TextureFormat::Etc2Rgb8UnormSrgb
 		} else if device_features.contains(wgpu::Features::TEXTURE_COMPRESSION_BC) {
-			log::info!("Using BC");
+			logga::info!("Using BC");
 			wgpu::TextureFormat::Bc1RgbaUnormSrgb
 		} else {
-			log::info!("Using plain");
+			logga::info!("Using plain");
 			wgpu::TextureFormat::Bgra8UnormSrgb
 		};
 
@@ -447,7 +607,7 @@ impl strafe_client::framework::Example for Skybox {
 		};
 		let max_mips = layer_size.max_mips(wgpu::TextureDimension::D2);
 
-		log::debug!(
+		logga::debug!(
 			"Copying {:?} skybox images of size {}, {}, 6 with {} mips to gpu",
 			skybox_format,
 			IMAGE_SIZE,
@@ -623,7 +783,6 @@ impl strafe_client::framework::Example for Skybox {
 		view: &wgpu::TextureView,
 		device: &wgpu::Device,
 		queue: &wgpu::Queue,
-		_spawner: &strafe_client::framework::Spawner,
 	) {
 		let time = Instant::now();
 
@@ -741,8 +900,10 @@ impl strafe_client::framework::Example for Skybox {
 	}
 }
 
-fn main() {
-	strafe_client::framework::run::<Skybox>(
+
+#[no_mangle]
+fn main(_argc: isize, _argv: *const *const u8) {
+	strafe_client::run::<Skybox>(
 		format!("Strafe Client v{}",
 			env!("CARGO_PKG_VERSION")
 		).as_str()

std/lib.rs

@@ -0,0 +1,8 @@
+#[export_macro]
+macro_rules! insssfo {
+	($($arg:tt)*) => {
+	};
+}
+
+
+