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99d4e51ee8
| Author | SHA1 | Date | |
|---|---|---|---|
| 99d4e51ee8 | |||
| 7effceff03 |
820
src/framework.rs
820
src/framework.rs
@ -6,438 +6,438 @@ use std::time::Instant;
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#[cfg(target_arch = "wasm32")]
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use web_sys::{ImageBitmapRenderingContext, OffscreenCanvas};
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use winit::{
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event::{self, WindowEvent},
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event_loop::{ControlFlow, EventLoop},
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event::{self, WindowEvent},
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event_loop::{ControlFlow, EventLoop},
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};
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#[allow(dead_code)]
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pub fn cast_slice<T>(data: &[T]) -> &[u8] {
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use std::{mem::size_of, slice::from_raw_parts};
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use std::{mem::size_of, slice::from_raw_parts};
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unsafe { from_raw_parts(data.as_ptr() as *const u8, data.len() * size_of::<T>()) }
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unsafe { from_raw_parts(data.as_ptr() as *const u8, data.len() * size_of::<T>()) }
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}
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#[allow(dead_code)]
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pub enum ShaderStage {
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Vertex,
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Fragment,
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Compute,
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Vertex,
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Fragment,
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Compute,
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}
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pub trait Example: 'static + Sized {
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fn optional_features() -> wgpu::Features {
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wgpu::Features::empty()
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}
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fn required_features() -> wgpu::Features {
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wgpu::Features::empty()
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}
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fn required_downlevel_capabilities() -> wgpu::DownlevelCapabilities {
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wgpu::DownlevelCapabilities {
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flags: wgpu::DownlevelFlags::empty(),
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shader_model: wgpu::ShaderModel::Sm5,
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..wgpu::DownlevelCapabilities::default()
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}
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}
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fn required_limits() -> wgpu::Limits {
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wgpu::Limits::downlevel_webgl2_defaults() // These downlevel limits will allow the code to run on all possible hardware
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}
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fn init(
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config: &wgpu::SurfaceConfiguration,
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adapter: &wgpu::Adapter,
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device: &wgpu::Device,
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queue: &wgpu::Queue,
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) -> Self;
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fn resize(
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&mut self,
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config: &wgpu::SurfaceConfiguration,
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device: &wgpu::Device,
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queue: &wgpu::Queue,
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);
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fn update(&mut self, event: WindowEvent);
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fn move_mouse(&mut self, delta: (f64,f64));
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fn render(
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&mut self,
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view: &wgpu::TextureView,
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device: &wgpu::Device,
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queue: &wgpu::Queue,
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spawner: &Spawner,
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);
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fn optional_features() -> wgpu::Features {
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wgpu::Features::empty()
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}
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fn required_features() -> wgpu::Features {
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wgpu::Features::empty()
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}
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fn required_downlevel_capabilities() -> wgpu::DownlevelCapabilities {
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wgpu::DownlevelCapabilities {
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flags: wgpu::DownlevelFlags::empty(),
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shader_model: wgpu::ShaderModel::Sm5,
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..wgpu::DownlevelCapabilities::default()
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}
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}
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fn required_limits() -> wgpu::Limits {
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wgpu::Limits::downlevel_webgl2_defaults() // These downlevel limits will allow the code to run on all possible hardware
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}
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fn init(
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config: &wgpu::SurfaceConfiguration,
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adapter: &wgpu::Adapter,
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device: &wgpu::Device,
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queue: &wgpu::Queue,
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) -> Self;
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fn resize(
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&mut self,
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config: &wgpu::SurfaceConfiguration,
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device: &wgpu::Device,
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queue: &wgpu::Queue,
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);
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fn update(&mut self, event: WindowEvent);
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fn move_mouse(&mut self, delta: (f64,f64));
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fn render(
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&mut self,
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view: &wgpu::TextureView,
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device: &wgpu::Device,
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queue: &wgpu::Queue,
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spawner: &Spawner,
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);
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}
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struct Setup {
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window: winit::window::Window,
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event_loop: EventLoop<()>,
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instance: wgpu::Instance,
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size: winit::dpi::PhysicalSize<u32>,
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surface: wgpu::Surface,
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adapter: wgpu::Adapter,
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device: wgpu::Device,
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queue: wgpu::Queue,
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#[cfg(target_arch = "wasm32")]
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offscreen_canvas_setup: Option<OffscreenCanvasSetup>,
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window: winit::window::Window,
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event_loop: EventLoop<()>,
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instance: wgpu::Instance,
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size: winit::dpi::PhysicalSize<u32>,
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surface: wgpu::Surface,
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adapter: wgpu::Adapter,
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device: wgpu::Device,
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queue: wgpu::Queue,
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#[cfg(target_arch = "wasm32")]
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offscreen_canvas_setup: Option<OffscreenCanvasSetup>,
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}
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#[cfg(target_arch = "wasm32")]
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struct OffscreenCanvasSetup {
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offscreen_canvas: OffscreenCanvas,
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bitmap_renderer: ImageBitmapRenderingContext,
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offscreen_canvas: OffscreenCanvas,
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bitmap_renderer: ImageBitmapRenderingContext,
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}
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async fn setup<E: Example>(title: &str) -> Setup {
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#[cfg(not(target_arch = "wasm32"))]
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{
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env_logger::init();
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};
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#[cfg(not(target_arch = "wasm32"))]
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{
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env_logger::init();
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};
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let event_loop = EventLoop::new();
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let mut builder = winit::window::WindowBuilder::new();
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builder = builder.with_title(title);
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#[cfg(windows_OFF)] // TODO
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{
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use winit::platform::windows::WindowBuilderExtWindows;
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builder = builder.with_no_redirection_bitmap(true);
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}
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let window = builder.build(&event_loop).unwrap();
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let event_loop = EventLoop::new();
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let mut builder = winit::window::WindowBuilder::new();
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builder = builder.with_title(title);
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#[cfg(windows_OFF)] // TODO
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{
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use winit::platform::windows::WindowBuilderExtWindows;
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builder = builder.with_no_redirection_bitmap(true);
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}
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let window = builder.build(&event_loop).unwrap();
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#[cfg(target_arch = "wasm32")]
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{
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use winit::platform::web::WindowExtWebSys;
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let query_string = web_sys::window().unwrap().location().search().unwrap();
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let level: log::Level = parse_url_query_string(&query_string, "RUST_LOG")
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.and_then(|x| x.parse().ok())
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.unwrap_or(log::Level::Error);
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console_log::init_with_level(level).expect("could not initialize logger");
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std::panic::set_hook(Box::new(console_error_panic_hook::hook));
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// On wasm, append the canvas to the document body
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web_sys::window()
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.and_then(|win| win.document())
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.and_then(|doc| doc.body())
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.and_then(|body| {
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body.append_child(&web_sys::Element::from(window.canvas()))
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.ok()
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})
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.expect("couldn't append canvas to document body");
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}
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#[cfg(target_arch = "wasm32")]
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{
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use winit::platform::web::WindowExtWebSys;
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let query_string = web_sys::window().unwrap().location().search().unwrap();
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let level: log::Level = parse_url_query_string(&query_string, "RUST_LOG")
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.and_then(|x| x.parse().ok())
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.unwrap_or(log::Level::Error);
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console_log::init_with_level(level).expect("could not initialize logger");
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std::panic::set_hook(Box::new(console_error_panic_hook::hook));
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// On wasm, append the canvas to the document body
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web_sys::window()
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.and_then(|win| win.document())
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.and_then(|doc| doc.body())
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.and_then(|body| {
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body.append_child(&web_sys::Element::from(window.canvas()))
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.ok()
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})
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.expect("couldn't append canvas to document body");
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}
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#[cfg(target_arch = "wasm32")]
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let mut offscreen_canvas_setup: Option<OffscreenCanvasSetup> = None;
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#[cfg(target_arch = "wasm32")]
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{
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use wasm_bindgen::JsCast;
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use winit::platform::web::WindowExtWebSys;
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#[cfg(target_arch = "wasm32")]
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let mut offscreen_canvas_setup: Option<OffscreenCanvasSetup> = None;
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#[cfg(target_arch = "wasm32")]
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{
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use wasm_bindgen::JsCast;
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use winit::platform::web::WindowExtWebSys;
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let query_string = web_sys::window().unwrap().location().search().unwrap();
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if let Some(offscreen_canvas_param) =
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parse_url_query_string(&query_string, "offscreen_canvas")
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{
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if FromStr::from_str(offscreen_canvas_param) == Ok(true) {
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log::info!("Creating OffscreenCanvasSetup");
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let query_string = web_sys::window().unwrap().location().search().unwrap();
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if let Some(offscreen_canvas_param) =
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parse_url_query_string(&query_string, "offscreen_canvas")
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{
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if FromStr::from_str(offscreen_canvas_param) == Ok(true) {
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log::info!("Creating OffscreenCanvasSetup");
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let offscreen_canvas =
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OffscreenCanvas::new(1024, 768).expect("couldn't create OffscreenCanvas");
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let offscreen_canvas =
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OffscreenCanvas::new(1024, 768).expect("couldn't create OffscreenCanvas");
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let bitmap_renderer = window
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.canvas()
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.get_context("bitmaprenderer")
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.expect("couldn't create ImageBitmapRenderingContext (Result)")
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.expect("couldn't create ImageBitmapRenderingContext (Option)")
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.dyn_into::<ImageBitmapRenderingContext>()
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.expect("couldn't convert into ImageBitmapRenderingContext");
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let bitmap_renderer = window
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.canvas()
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.get_context("bitmaprenderer")
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.expect("couldn't create ImageBitmapRenderingContext (Result)")
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.expect("couldn't create ImageBitmapRenderingContext (Option)")
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.dyn_into::<ImageBitmapRenderingContext>()
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.expect("couldn't convert into ImageBitmapRenderingContext");
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offscreen_canvas_setup = Some(OffscreenCanvasSetup {
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offscreen_canvas,
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bitmap_renderer,
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})
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}
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}
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};
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offscreen_canvas_setup = Some(OffscreenCanvasSetup {
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offscreen_canvas,
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bitmap_renderer,
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})
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}
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}
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};
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log::info!("Initializing the surface...");
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log::info!("Initializing the surface...");
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let backends = wgpu::util::backend_bits_from_env().unwrap_or_else(wgpu::Backends::all);
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let dx12_shader_compiler = wgpu::util::dx12_shader_compiler_from_env().unwrap_or_default();
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let backends = wgpu::util::backend_bits_from_env().unwrap_or_else(wgpu::Backends::all);
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let dx12_shader_compiler = wgpu::util::dx12_shader_compiler_from_env().unwrap_or_default();
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let instance = wgpu::Instance::new(wgpu::InstanceDescriptor {
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backends,
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dx12_shader_compiler,
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});
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let (size, surface) = unsafe {
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let size = window.inner_size();
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let instance = wgpu::Instance::new(wgpu::InstanceDescriptor {
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backends,
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dx12_shader_compiler,
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});
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let (size, surface) = unsafe {
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let size = window.inner_size();
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#[cfg(any(not(target_arch = "wasm32"), target_os = "emscripten"))]
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let surface = instance.create_surface(&window).unwrap();
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#[cfg(all(target_arch = "wasm32", not(target_os = "emscripten")))]
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let surface = {
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if let Some(offscreen_canvas_setup) = &offscreen_canvas_setup {
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log::info!("Creating surface from OffscreenCanvas");
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instance.create_surface_from_offscreen_canvas(
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offscreen_canvas_setup.offscreen_canvas.clone(),
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)
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} else {
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instance.create_surface(&window)
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}
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}
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.unwrap();
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#[cfg(any(not(target_arch = "wasm32"), target_os = "emscripten"))]
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let surface = instance.create_surface(&window).unwrap();
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#[cfg(all(target_arch = "wasm32", not(target_os = "emscripten")))]
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let surface = {
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if let Some(offscreen_canvas_setup) = &offscreen_canvas_setup {
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log::info!("Creating surface from OffscreenCanvas");
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instance.create_surface_from_offscreen_canvas(
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offscreen_canvas_setup.offscreen_canvas.clone(),
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)
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} else {
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instance.create_surface(&window)
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}
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}
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.unwrap();
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(size, surface)
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};
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let adapter = wgpu::util::initialize_adapter_from_env_or_default(&instance, Some(&surface))
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.await
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.expect("No suitable GPU adapters found on the system!");
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(size, surface)
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};
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let adapter = wgpu::util::initialize_adapter_from_env_or_default(&instance, Some(&surface))
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.await
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.expect("No suitable GPU adapters found on the system!");
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#[cfg(not(target_arch = "wasm32"))]
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{
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let adapter_info = adapter.get_info();
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println!("Using {} ({:?})", adapter_info.name, adapter_info.backend);
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}
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#[cfg(not(target_arch = "wasm32"))]
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{
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let adapter_info = adapter.get_info();
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println!("Using {} ({:?})", adapter_info.name, adapter_info.backend);
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}
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let optional_features = E::optional_features();
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let required_features = E::required_features();
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let adapter_features = adapter.features();
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assert!(
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adapter_features.contains(required_features),
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"Adapter does not support required features for this example: {:?}",
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required_features - adapter_features
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);
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let optional_features = E::optional_features();
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let required_features = E::required_features();
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let adapter_features = adapter.features();
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assert!(
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adapter_features.contains(required_features),
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"Adapter does not support required features for this example: {:?}",
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required_features - adapter_features
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);
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let required_downlevel_capabilities = E::required_downlevel_capabilities();
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let downlevel_capabilities = adapter.get_downlevel_capabilities();
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assert!(
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downlevel_capabilities.shader_model >= required_downlevel_capabilities.shader_model,
|
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"Adapter does not support the minimum shader model required to run this example: {:?}",
|
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required_downlevel_capabilities.shader_model
|
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);
|
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assert!(
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downlevel_capabilities
|
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.flags
|
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.contains(required_downlevel_capabilities.flags),
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"Adapter does not support the downlevel capabilities required to run this example: {:?}",
|
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required_downlevel_capabilities.flags - downlevel_capabilities.flags
|
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);
|
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let required_downlevel_capabilities = E::required_downlevel_capabilities();
|
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let downlevel_capabilities = adapter.get_downlevel_capabilities();
|
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assert!(
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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
|
||||
);
|
||||
|
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// Make sure we use the texture resolution limits from the adapter, so we can support images the size of the surface.
|
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let needed_limits = E::required_limits().using_resolution(adapter.limits());
|
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// Make sure we use the texture resolution limits from the adapter, so we can support images the size of the surface.
|
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let needed_limits = E::required_limits().using_resolution(adapter.limits());
|
||||
|
||||
let trace_dir = std::env::var("WGPU_TRACE");
|
||||
let (device, queue) = adapter
|
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.request_device(
|
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&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!");
|
||||
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,
|
||||
}
|
||||
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,
|
||||
#[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);
|
||||
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);
|
||||
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);
|
||||
#[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();
|
||||
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;
|
||||
}
|
||||
}
|
||||
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()
|
||||
});
|
||||
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);
|
||||
example.render(&view, &device, &queue, &spawner);
|
||||
|
||||
frame.present();
|
||||
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);
|
||||
#[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");
|
||||
}
|
||||
}
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
});
|
||||
log::info!("Transferring OffscreenCanvas to ImageBitmapRenderer");
|
||||
}
|
||||
}
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
#[cfg(not(target_arch = "wasm32"))]
|
||||
pub struct Spawner<'a> {
|
||||
executor: async_executor::LocalExecutor<'a>,
|
||||
executor: async_executor::LocalExecutor<'a>,
|
||||
}
|
||||
|
||||
#[cfg(not(target_arch = "wasm32"))]
|
||||
impl<'a> Spawner<'a> {
|
||||
fn new() -> Self {
|
||||
Self {
|
||||
executor: async_executor::LocalExecutor::new(),
|
||||
}
|
||||
}
|
||||
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();
|
||||
}
|
||||
#[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() {}
|
||||
}
|
||||
fn run_until_stalled(&self) {
|
||||
while self.executor.try_tick() {}
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(target_arch = "wasm32")]
|
||||
@ -445,69 +445,69 @@ pub struct Spawner {}
|
||||
|
||||
#[cfg(target_arch = "wasm32")]
|
||||
impl Spawner {
|
||||
fn new() -> Self {
|
||||
Self {}
|
||||
}
|
||||
fn new() -> Self {
|
||||
Self {}
|
||||
}
|
||||
|
||||
#[allow(dead_code)]
|
||||
pub fn spawn_local(&self, future: impl Future<Output = ()> + 'static) {
|
||||
wasm_bindgen_futures::spawn_local(future);
|
||||
}
|
||||
#[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);
|
||||
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::*;
|
||||
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));
|
||||
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)
|
||||
});
|
||||
// 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);
|
||||
}
|
||||
}
|
||||
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>;
|
||||
}
|
||||
});
|
||||
#[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('?')?;
|
||||
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()?;
|
||||
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);
|
||||
}
|
||||
}
|
||||
if key == search_key {
|
||||
return Some(value);
|
||||
}
|
||||
}
|
||||
|
||||
None
|
||||
None
|
||||
}
|
||||
|
||||
// This allows treating the framework as a standalone example,
|
||||
|
||||
1304
src/main.rs
1304
src/main.rs
File diff suppressed because it is too large
Load Diff
148
src/shader.wgsl
148
src/shader.wgsl
@ -1,17 +1,17 @@
|
||||
struct SkyOutput {
|
||||
@builtin(position) position: vec4<f32>,
|
||||
@location(0) sampledir: vec3<f32>,
|
||||
@builtin(position) position: vec4<f32>,
|
||||
@location(0) sampledir: vec3<f32>,
|
||||
};
|
||||
|
||||
struct Data {
|
||||
// from camera to screen
|
||||
proj: mat4x4<f32>,
|
||||
// from screen to camera
|
||||
proj_inv: mat4x4<f32>,
|
||||
// from world to camera
|
||||
view: mat4x4<f32>,
|
||||
// camera position
|
||||
cam_pos: vec4<f32>,
|
||||
// from camera to screen
|
||||
proj: mat4x4<f32>,
|
||||
// from screen to camera
|
||||
proj_inv: mat4x4<f32>,
|
||||
// from world to camera
|
||||
view: mat4x4<f32>,
|
||||
// camera position
|
||||
cam_pos: vec4<f32>,
|
||||
};
|
||||
@group(0)
|
||||
@binding(0)
|
||||
@ -19,53 +19,53 @@ var<uniform> r_data: Data;
|
||||
|
||||
@vertex
|
||||
fn vs_sky(@builtin(vertex_index) vertex_index: u32) -> SkyOutput {
|
||||
// hacky way to draw a large triangle
|
||||
let tmp1 = i32(vertex_index) / 2;
|
||||
let tmp2 = i32(vertex_index) & 1;
|
||||
let pos = vec4<f32>(
|
||||
f32(tmp1) * 4.0 - 1.0,
|
||||
f32(tmp2) * 4.0 - 1.0,
|
||||
1.0,
|
||||
1.0
|
||||
);
|
||||
// hacky way to draw a large triangle
|
||||
let tmp1 = i32(vertex_index) / 2;
|
||||
let tmp2 = i32(vertex_index) & 1;
|
||||
let pos = vec4<f32>(
|
||||
f32(tmp1) * 4.0 - 1.0,
|
||||
f32(tmp2) * 4.0 - 1.0,
|
||||
1.0,
|
||||
1.0
|
||||
);
|
||||
|
||||
// transposition = inversion for this orthonormal matrix
|
||||
let inv_model_view = transpose(mat3x3<f32>(r_data.view[0].xyz, r_data.view[1].xyz, r_data.view[2].xyz));
|
||||
let unprojected = r_data.proj_inv * pos;
|
||||
// transposition = inversion for this orthonormal matrix
|
||||
let inv_model_view = transpose(mat3x3<f32>(r_data.view[0].xyz, r_data.view[1].xyz, r_data.view[2].xyz));
|
||||
let unprojected = r_data.proj_inv * pos;
|
||||
|
||||
var result: SkyOutput;
|
||||
result.sampledir = inv_model_view * unprojected.xyz;
|
||||
result.position = pos;
|
||||
return result;
|
||||
var result: SkyOutput;
|
||||
result.sampledir = inv_model_view * unprojected.xyz;
|
||||
result.position = pos;
|
||||
return result;
|
||||
}
|
||||
|
||||
struct GroundOutput {
|
||||
@builtin(position) position: vec4<f32>,
|
||||
@location(4) pos: vec3<f32>,
|
||||
@builtin(position) position: vec4<f32>,
|
||||
@location(4) pos: vec3<f32>,
|
||||
};
|
||||
|
||||
@vertex
|
||||
fn vs_ground(@builtin(vertex_index) vertex_index: u32) -> GroundOutput {
|
||||
// hacky way to draw two triangles that make a square
|
||||
let tmp1 = i32(vertex_index)/2-i32(vertex_index)/3;
|
||||
let tmp2 = i32(vertex_index)&1;
|
||||
let pos = vec3<f32>(
|
||||
f32(tmp1) * 2.0 - 1.0,
|
||||
0.0,
|
||||
f32(tmp2) * 2.0 - 1.0
|
||||
) * 160.0;
|
||||
// hacky way to draw two triangles that make a square
|
||||
let tmp1 = i32(vertex_index)/2-i32(vertex_index)/3;
|
||||
let tmp2 = i32(vertex_index)&1;
|
||||
let pos = vec3<f32>(
|
||||
f32(tmp1) * 2.0 - 1.0,
|
||||
0.0,
|
||||
f32(tmp2) * 2.0 - 1.0
|
||||
) * 160.0;
|
||||
|
||||
var result: GroundOutput;
|
||||
result.pos = pos;
|
||||
result.position = r_data.proj * r_data.view * vec4<f32>(pos, 1.0);
|
||||
return result;
|
||||
var result: GroundOutput;
|
||||
result.pos = pos;
|
||||
result.position = r_data.proj * r_data.view * vec4<f32>(pos, 1.0);
|
||||
return result;
|
||||
}
|
||||
|
||||
struct EntityOutput {
|
||||
@builtin(position) position: vec4<f32>,
|
||||
@location(1) texture: vec2<f32>,
|
||||
@location(2) normal: vec3<f32>,
|
||||
@location(3) view: vec3<f32>,
|
||||
@builtin(position) position: vec4<f32>,
|
||||
@location(1) texture: vec2<f32>,
|
||||
@location(2) normal: vec3<f32>,
|
||||
@location(3) view: vec3<f32>,
|
||||
};
|
||||
|
||||
@group(1)
|
||||
@ -74,17 +74,17 @@ var<uniform> r_EntityTransform: mat4x4<f32>;
|
||||
|
||||
@vertex
|
||||
fn vs_entity(
|
||||
@location(0) pos: vec3<f32>,
|
||||
@location(1) texture: vec2<f32>,
|
||||
@location(2) normal: vec3<f32>,
|
||||
@location(0) pos: vec3<f32>,
|
||||
@location(1) texture: vec2<f32>,
|
||||
@location(2) normal: vec3<f32>,
|
||||
) -> EntityOutput {
|
||||
var position: vec4<f32> = r_EntityTransform * vec4<f32>(pos, 1.0);
|
||||
var result: EntityOutput;
|
||||
result.normal = (r_EntityTransform * vec4<f32>(normal, 0.0)).xyz;
|
||||
result.texture=texture;
|
||||
result.view = position.xyz - r_data.cam_pos.xyz;
|
||||
result.position = r_data.proj * r_data.view * position;
|
||||
return result;
|
||||
var position: vec4<f32> = r_EntityTransform * vec4<f32>(pos, 1.0);
|
||||
var result: EntityOutput;
|
||||
result.normal = (r_EntityTransform * vec4<f32>(normal, 0.0)).xyz;
|
||||
result.texture=texture;
|
||||
result.view = position.xyz - r_data.cam_pos.xyz;
|
||||
result.position = r_data.proj * r_data.view * position;
|
||||
return result;
|
||||
}
|
||||
|
||||
@group(0)
|
||||
@ -96,36 +96,36 @@ var r_sampler: sampler;
|
||||
|
||||
@fragment
|
||||
fn fs_sky(vertex: SkyOutput) -> @location(0) vec4<f32> {
|
||||
return textureSample(r_texture, r_sampler, vertex.sampledir);
|
||||
return textureSample(r_texture, r_sampler, vertex.sampledir);
|
||||
}
|
||||
|
||||
@fragment
|
||||
fn fs_entity(vertex: EntityOutput) -> @location(0) vec4<f32> {
|
||||
let incident = normalize(vertex.view);
|
||||
let normal = normalize(vertex.normal);
|
||||
let d = dot(normal, incident);
|
||||
let reflected = incident - 2.0 * d * normal;
|
||||
let incident = normalize(vertex.view);
|
||||
let normal = normalize(vertex.normal);
|
||||
let d = dot(normal, incident);
|
||||
let reflected = incident - 2.0 * d * normal;
|
||||
|
||||
let dir = vec3<f32>(-1.0)+2.0*vec3<f32>(vertex.texture.x,0.0,vertex.texture.y);
|
||||
let texture_color = textureSample(r_texture, r_sampler, dir).rgb;
|
||||
let reflected_color = textureSample(r_texture, r_sampler, reflected).rgb;
|
||||
return vec4<f32>(mix(vec3<f32>(0.1) + 0.5 * reflected_color,texture_color,1.0-pow(1.0-abs(d),2.0)), 1.0);
|
||||
let dir = vec3<f32>(-1.0)+2.0*vec3<f32>(vertex.texture.x,0.0,vertex.texture.y);
|
||||
let texture_color = textureSample(r_texture, r_sampler, dir).rgb;
|
||||
let reflected_color = textureSample(r_texture, r_sampler, reflected).rgb;
|
||||
return vec4<f32>(mix(vec3<f32>(0.1) + 0.5 * reflected_color,texture_color,1.0-pow(1.0-abs(d),2.0)), 1.0);
|
||||
}
|
||||
|
||||
fn modulo_euclidean (a: f32, b: f32) -> f32 {
|
||||
var m = a % b;
|
||||
if (m < 0.0) {
|
||||
if (b < 0.0) {
|
||||
m -= b;
|
||||
} else {
|
||||
m += b;
|
||||
}
|
||||
}
|
||||
return m;
|
||||
var m = a % b;
|
||||
if (m < 0.0) {
|
||||
if (b < 0.0) {
|
||||
m -= b;
|
||||
} else {
|
||||
m += b;
|
||||
}
|
||||
}
|
||||
return m;
|
||||
}
|
||||
|
||||
@fragment
|
||||
fn fs_ground(vertex: GroundOutput) -> @location(0) vec4<f32> {
|
||||
let dir = vec3<f32>(-1.0)+vec3<f32>(modulo_euclidean(vertex.pos.x/16.,1.0),0.0,modulo_euclidean(vertex.pos.z/16.,1.0))*2.0;
|
||||
return vec4<f32>(textureSample(r_texture, r_sampler, dir).rgb, 1.0);
|
||||
let dir = vec3<f32>(-1.0)+vec3<f32>(modulo_euclidean(vertex.pos.x/16.,1.0),0.0,modulo_euclidean(vertex.pos.z/16.,1.0))*2.0;
|
||||
return vec4<f32>(textureSample(r_texture, r_sampler, dir).rgb, 1.0);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user