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authorLibravatar Héctor Ramón Jiménez <hector0193@gmail.com>2023-01-06 23:29:38 +0100
committerLibravatar Héctor Ramón Jiménez <hector0193@gmail.com>2023-02-24 13:17:58 +0100
commitb9a9576207ddfc7afd89da30b7cfc7ca0d7e335c (patch)
treec0b4489f1e547fc335e6b82025891cefdc671274 /examples/integration_wgpu/src/main.rs
parent573d27eb52bbfacf1b06983b4282f00eb5265bdc (diff)
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Remove `iced_glow`, `glyph-brush`, and `wgpu_glyph` dependencies
Diffstat (limited to 'examples/integration_wgpu/src/main.rs')
-rw-r--r--examples/integration_wgpu/src/main.rs289
1 files changed, 0 insertions, 289 deletions
diff --git a/examples/integration_wgpu/src/main.rs b/examples/integration_wgpu/src/main.rs
deleted file mode 100644
index 2a56b6fa..00000000
--- a/examples/integration_wgpu/src/main.rs
+++ /dev/null
@@ -1,289 +0,0 @@
-mod controls;
-mod scene;
-
-use controls::Controls;
-use scene::Scene;
-
-use iced_wgpu::{wgpu, Backend, Renderer, Settings, Viewport};
-use iced_winit::{
- conversion, futures, program, renderer, winit, Clipboard, Color, Debug,
- Size,
-};
-
-use winit::{
- dpi::PhysicalPosition,
- event::{Event, ModifiersState, WindowEvent},
- event_loop::{ControlFlow, EventLoop},
-};
-
-#[cfg(target_arch = "wasm32")]
-use wasm_bindgen::JsCast;
-#[cfg(target_arch = "wasm32")]
-use web_sys::HtmlCanvasElement;
-#[cfg(target_arch = "wasm32")]
-use winit::platform::web::WindowBuilderExtWebSys;
-
-pub fn main() {
- #[cfg(target_arch = "wasm32")]
- let canvas_element = {
- console_log::init_with_level(log::Level::Debug)
- .expect("could not initialize logger");
- std::panic::set_hook(Box::new(console_error_panic_hook::hook));
-
- web_sys::window()
- .and_then(|win| win.document())
- .and_then(|doc| doc.get_element_by_id("iced_canvas"))
- .and_then(|element| element.dyn_into::<HtmlCanvasElement>().ok())
- .expect("Canvas with id `iced_canvas` is missing")
- };
- #[cfg(not(target_arch = "wasm32"))]
- env_logger::init();
-
- // Initialize winit
- let event_loop = EventLoop::new();
-
- #[cfg(target_arch = "wasm32")]
- let window = winit::window::WindowBuilder::new()
- .with_canvas(Some(canvas_element))
- .build(&event_loop)
- .expect("Failed to build winit window");
-
- #[cfg(not(target_arch = "wasm32"))]
- let window = winit::window::Window::new(&event_loop).unwrap();
-
- let physical_size = window.inner_size();
- let mut viewport = Viewport::with_physical_size(
- Size::new(physical_size.width, physical_size.height),
- window.scale_factor(),
- );
- let mut cursor_position = PhysicalPosition::new(-1.0, -1.0);
- let mut modifiers = ModifiersState::default();
- let mut clipboard = Clipboard::connect(&window);
-
- // Initialize wgpu
-
- #[cfg(target_arch = "wasm32")]
- let default_backend = wgpu::Backends::GL;
- #[cfg(not(target_arch = "wasm32"))]
- let default_backend = wgpu::Backends::PRIMARY;
-
- let backend =
- wgpu::util::backend_bits_from_env().unwrap_or(default_backend);
-
- let instance = wgpu::Instance::new(backend);
- let surface = unsafe { instance.create_surface(&window) };
-
- let (format, (device, queue)) = futures::executor::block_on(async {
- let adapter = wgpu::util::initialize_adapter_from_env_or_default(
- &instance,
- backend,
- Some(&surface),
- )
- .await
- .expect("No suitable GPU adapters found on the system!");
-
- let adapter_features = adapter.features();
-
- #[cfg(target_arch = "wasm32")]
- let needed_limits = wgpu::Limits::downlevel_webgl2_defaults()
- .using_resolution(adapter.limits());
-
- #[cfg(not(target_arch = "wasm32"))]
- let needed_limits = wgpu::Limits::default();
-
- (
- surface
- .get_supported_formats(&adapter)
- .first()
- .copied()
- .expect("Get preferred format"),
- adapter
- .request_device(
- &wgpu::DeviceDescriptor {
- label: None,
- features: adapter_features & wgpu::Features::default(),
- limits: needed_limits,
- },
- None,
- )
- .await
- .expect("Request device"),
- )
- });
-
- surface.configure(
- &device,
- &wgpu::SurfaceConfiguration {
- usage: wgpu::TextureUsages::RENDER_ATTACHMENT,
- format,
- width: physical_size.width,
- height: physical_size.height,
- present_mode: wgpu::PresentMode::AutoVsync,
- alpha_mode: wgpu::CompositeAlphaMode::Auto,
- },
- );
-
- let mut resized = false;
-
- // Initialize staging belt
- let mut staging_belt = wgpu::util::StagingBelt::new(5 * 1024);
-
- // Initialize scene and GUI controls
- let scene = Scene::new(&device, format);
- let controls = Controls::new();
-
- // Initialize iced
- let mut debug = Debug::new();
- let mut renderer =
- Renderer::new(Backend::new(&device, Settings::default(), format));
-
- let mut state = program::State::new(
- controls,
- viewport.logical_size(),
- &mut renderer,
- &mut debug,
- );
-
- // Run event loop
- event_loop.run(move |event, _, control_flow| {
- // You should change this if you want to render continuosly
- *control_flow = ControlFlow::Wait;
-
- match event {
- Event::WindowEvent { event, .. } => {
- match event {
- WindowEvent::CursorMoved { position, .. } => {
- cursor_position = position;
- }
- WindowEvent::ModifiersChanged(new_modifiers) => {
- modifiers = new_modifiers;
- }
- WindowEvent::Resized(_) => {
- resized = true;
- }
- WindowEvent::CloseRequested => {
- *control_flow = ControlFlow::Exit;
- }
- _ => {}
- }
-
- // Map window event to iced event
- if let Some(event) = iced_winit::conversion::window_event(
- &event,
- window.scale_factor(),
- modifiers,
- ) {
- state.queue_event(event);
- }
- }
- Event::MainEventsCleared => {
- // If there are events pending
- if !state.is_queue_empty() {
- // We update iced
- let _ = state.update(
- viewport.logical_size(),
- conversion::cursor_position(
- cursor_position,
- viewport.scale_factor(),
- ),
- &mut renderer,
- &iced_wgpu::Theme::Dark,
- &renderer::Style { text_color: Color::WHITE },
- &mut clipboard,
- &mut debug,
- );
-
- // and request a redraw
- window.request_redraw();
- }
- }
- Event::RedrawRequested(_) => {
- if resized {
- let size = window.inner_size();
-
- viewport = Viewport::with_physical_size(
- Size::new(size.width, size.height),
- window.scale_factor(),
- );
-
- surface.configure(
- &device,
- &wgpu::SurfaceConfiguration {
- format,
- usage: wgpu::TextureUsages::RENDER_ATTACHMENT,
- width: size.width,
- height: size.height,
- present_mode: wgpu::PresentMode::AutoVsync,
- alpha_mode: wgpu::CompositeAlphaMode::Auto
- },
- );
-
- resized = false;
- }
-
- match surface.get_current_texture() {
- Ok(frame) => {
- let mut encoder = device.create_command_encoder(
- &wgpu::CommandEncoderDescriptor { label: None },
- );
-
- let program = state.program();
-
- let view = frame.texture.create_view(&wgpu::TextureViewDescriptor::default());
-
- {
- // We clear the frame
- let mut render_pass = scene.clear(
- &view,
- &mut encoder,
- program.background_color(),
- );
-
- // Draw the scene
- scene.draw(&mut render_pass);
- }
-
- // And then iced on top
- renderer.with_primitives(|backend, primitive| {
- backend.present(
- &device,
- &mut staging_belt,
- &mut encoder,
- &view,
- primitive,
- &viewport,
- &debug.overlay(),
- );
- });
-
- // Then we submit the work
- staging_belt.finish();
- queue.submit(Some(encoder.finish()));
- frame.present();
-
- // Update the mouse cursor
- window.set_cursor_icon(
- iced_winit::conversion::mouse_interaction(
- state.mouse_interaction(),
- ),
- );
-
- // And recall staging buffers
- staging_belt.recall();
-
- }
- Err(error) => match error {
- wgpu::SurfaceError::OutOfMemory => {
- panic!("Swapchain error: {error}. Rendering cannot continue.")
- }
- _ => {
- // Try rendering again next frame.
- window.request_redraw();
- }
- },
- }
- }
- _ => {}
- }
- })
-}