[TUTO] Finish learn gpu

Cargo.toml

@@ -2,10 +2,11 @@
 name = "tuto1"
 version = "0.1.0"
 authors = ["Florian RICHER <florian.richer@unova.fr>"]
-edition = "2018"
-resolver = "2"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-engine_core = { path = "engine_core" }
+engine_core = { path = "engine_core" }
+simplelog = "0.12.0"
+pollster = "0.2"

README.md

@@ -9,4 +9,5 @@
 
 ## USEFULL LINK
 
-- https://arewegameyet.rs/
+- https://arewegameyet.rs/
+- https://sotrh.github.io/learn-wgpu/beginner/tutorial2-surface/#render

engine_core/Cargo.toml

@@ -2,13 +2,13 @@
 name = "engine_core"
 version = "0.0.1"
 authors = ["Florian RICHER <florian.richer@unova.fr>"]
-edition = "2018"
-resolver = "2"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-image = "0.23"
-winit = "0.25"
+log = "0.4.17"
+image = "0.24.2"
+winit = "0.26.1"
 cgmath = "0.18"
-wgpu = "0.10.1"
+wgpu = "0.12.0"

engine_core/src/lib.rs

@@ -1,7 +1,9 @@
+mod state;
+
 use winit::{
     event::{ElementState, Event, KeyboardInput, VirtualKeyCode, WindowEvent},
     event_loop::{ControlFlow, EventLoop},
-    window::{Window, WindowBuilder},
+    window::{WindowBuilder},
 };
 
 pub struct Engine {
@@ -15,28 +17,57 @@ impl Engine {
         }
     }
 
-    pub fn run(self) {
+    pub async fn run(self) {
         let event_loop = EventLoop::new();
         let window = WindowBuilder::new()
             .with_title(self.title)
             .build(&event_loop).unwrap();
+
+        let mut state = state::State::new(&window).await;
+
         event_loop
             .run(move |event: Event<()>, _, control_flow: &mut ControlFlow | match event {
                 Event::WindowEvent {
                     ref event,
                     window_id,
-                } if window_id == window.id() => match event {
-                    WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit,
-                    WindowEvent::KeyboardInput { input, .. } => match input {
-                        KeyboardInput {
-                            state: ElementState::Pressed,
-                            virtual_keycode: Some(VirtualKeyCode::Escape),
-                            ..
-                        } => *control_flow = ControlFlow::Exit,
+                } if window_id == window.id() => if !state.input(&event) {
+                    match event {
+                        WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit,
+                        WindowEvent::KeyboardInput { input, .. } => match input {
+                            KeyboardInput {
+                                state: ElementState::Pressed,
+                                virtual_keycode: Some(VirtualKeyCode::Escape),
+                                ..
+                            } => *control_flow = ControlFlow::Exit,
+                            _ => {}
+                        },
+                        WindowEvent::Resized(physical_size) => {
+                            state.resize(*physical_size);
+                        }
+                        WindowEvent::ScaleFactorChanged { new_inner_size, .. } => {
+                            // new_inner_size is &&mut so we have to dereference it twice
+                            state.resize(**new_inner_size);
+                        }
                         _ => {}
-                    },
-                    _ => {}
+                    }
                 },
+                Event::RedrawRequested(window_id) if window_id == window.id() => {
+                    state.update();
+                    match state.render() {
+                        Ok(_) => {}
+                        // Reconfigure the surface if lost
+                        Err(wgpu::SurfaceError::Lost) => state.resize(state.size),
+                        // The system is out of memory, we should probably quit
+                        Err(wgpu::SurfaceError::OutOfMemory) => *control_flow = ControlFlow::Exit,
+                        // All other errors (Outdated, Timeout) should be resolved by the next frame
+                        Err(e) => eprintln!("{:?}", e),
+                    }
+                }
+                Event::MainEventsCleared => {
+                    // RedrawRequested will only trigger once, unless we manually
+                    // request it.
+                    window.request_redraw();
+                }
                 _ => {}
             });
     }

engine_core/src/state.rs

@@ -0,0 +1,121 @@
+use winit::{window::Window, event::WindowEvent};
+
+pub struct State {
+    pub surface: wgpu::Surface,
+    pub device: wgpu::Device,
+    pub queue: wgpu::Queue,
+    pub config: wgpu::SurfaceConfiguration,
+    pub size: winit::dpi::PhysicalSize<u32>,
+}
+
+impl State {
+    // Creating some of the wgpu types requires async code
+    pub async fn new(window: &Window) -> Self {
+        let size = window.inner_size();
+
+        // The instance is a handle to our GPU
+        // Backends::all => Vulkan + Metal + DX12 + Browser WebGPU
+        let instance = wgpu::Instance::new(wgpu::Backends::all());
+        let surface = unsafe { instance.create_surface(window) };
+        let adapter = instance.request_adapter(
+            &wgpu::RequestAdapterOptions {
+                power_preference: wgpu::PowerPreference::default(),
+                compatible_surface: Some(&surface),
+                force_fallback_adapter: false,
+            },
+        ).await.unwrap();
+
+        // let adapter = instance
+        //     .enumerate_adapters(wgpu::Backends::all())
+        //     .filter(|adapter| {
+        //         // Check if this adapter supports our surface
+        //         surface.get_preferred_format(&adapter).is_some()
+        //     })
+        //     .next()
+        //     .unwrap();
+
+        
+        let (device, queue) = adapter.request_device(
+            &wgpu::DeviceDescriptor {
+                features: wgpu::Features::empty(),
+                // WebGL doesn't support all of wgpu's features, so if
+                // we're building for the web we'll have to disable some.
+                limits: if cfg!(target_arch = "wasm32") {
+                    wgpu::Limits::downlevel_webgl2_defaults()
+                } else {
+                    wgpu::Limits::default()
+                },
+                label: None,
+            },
+            None, // Trace path
+        ).await.unwrap();
+
+        let config = wgpu::SurfaceConfiguration {
+            usage: wgpu::TextureUsages::RENDER_ATTACHMENT,
+            format: surface.get_preferred_format(&adapter).unwrap(),
+            width: size.width,
+            height: size.height,
+            present_mode: wgpu::PresentMode::Fifo,
+        };
+        surface.configure(&device, &config);
+
+        Self {
+            surface,
+            device,
+            queue,
+            config,
+            size,
+        }
+    }
+
+    pub fn resize(&mut self, new_size: winit::dpi::PhysicalSize<u32>) {
+        if new_size.width > 0 && new_size.height > 0 {
+            self.size = new_size;
+            self.config.width = new_size.width;
+            self.config.height = new_size.height;
+            self.surface.configure(&self.device, &self.config);
+        }
+    }
+
+    pub fn input(&mut self, event: &WindowEvent) -> bool {
+        false
+    }
+
+    pub fn update(&mut self) {
+        
+    }
+
+    pub fn render(&mut self) -> Result<(), wgpu::SurfaceError> {
+        let output = self.surface.get_current_texture()?;
+        let view = output.texture.create_view(&wgpu::TextureViewDescriptor::default());
+        let mut encoder = self.device.create_command_encoder(&wgpu::CommandEncoderDescriptor {
+            label: Some("Render Encoder"),
+        });
+    
+        {
+            let _render_pass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
+                label: Some("Render Pass"),
+                color_attachments: &[wgpu::RenderPassColorAttachment {
+                    view: &view,
+                    resolve_target: None,
+                    ops: wgpu::Operations {
+                        load: wgpu::LoadOp::Clear(wgpu::Color {
+                            r: 0.1,
+                            g: 0.2,
+                            b: 0.3,
+                            a: 1.0,
+                        }),
+                        store: true,
+                    },
+                }],
+                depth_stencil_attachment: None,
+            });
+        }
+    
+        // submit will accept anything that implements IntoIter
+        self.queue.submit(std::iter::once(encoder.finish()));
+        output.present();
+    
+        Ok(())
+    }
+}

engine_core/src/utils/mod.rs

@@ -1,41 +0,0 @@
-#[macro_export]
-macro_rules! format_error {
-    ($($args:tt)*) => {{
-        format!("[ERROR] {}", format_args!($($args)*))
-    }};
-}
-
-#[macro_export]
-macro_rules! format_warning {
-    ($($args:tt)*) => {{
-        format!("[WARN] {}", format_args!($($args)*))
-    }};
-}
-
-#[macro_export]
-macro_rules! format_info {
-    ($($args:tt)*) => {{
-        format!("[INFO] {}", format_args!($($args)*))
-    }};
-}
-
-#[macro_export]
-macro_rules! print_error {
-    ($($args:tt)*) => {{
-        println!("[ERROR] {}", format_args!($($args)*))
-    }};
-}
-
-#[macro_export]
-macro_rules! print_warning {
-    ($($args:tt)*) => {{
-        println!("[WARN] {}", format_args!($($args)*))
-    }};
-}
-
-#[macro_export]
-macro_rules! print_info {
-    ($($args:tt)*) => {{
-        println!("[INFO] {}", format_args!($($args)*))
-    }};
-}

src/main.rs

@@ -1,4 +1,10 @@
+use simplelog::{TermLogger, LevelFilter, Config, TerminalMode, ColorChoice};
+
 fn main() {
+    if let Err(err) = TermLogger::init(LevelFilter::Warn, Config::default(), TerminalMode::Mixed, ColorChoice::Auto) {
+        println!("Failed to start logger : {}", err);
+    }
+
     let engine = engine_core::Engine::new("Test 123");
-    engine.run();
+    pollster::block_on(engine.run());
 }