[examples] Do not request redraw on resize

This is no longer necessary, since Winit can now properly issue redraw
events on resize.

Author: madsmtm

examples/src/framework.rs

@@ -422,8 +422,6 @@ async fn start<E: Example>(title: &str) {
                             &context.device,
                             &context.queue,
                         );
-
-                        window_loop.window.request_redraw();
                     }
                     WindowEvent::KeyboardInput {
                         event:

examples/src/hello_triangle/mod.rs

@@ -81,7 +81,6 @@ async fn run(event_loop: EventLoop<()>, window: Window) {
         .unwrap();
     surface.configure(&device, &config);
 
-    let window = &window;
     event_loop
         .run(move |event, target| {
             // Have the closure take ownership of the resources.
@@ -100,8 +99,6 @@ async fn run(event_loop: EventLoop<()>, window: Window) {
                         config.width = new_size.width.max(1);
                         config.height = new_size.height.max(1);
                         surface.configure(&device, &config);
-                        // On macos the window needs to be redrawn manually after resizing
-                        window.request_redraw();
                     }
                     WindowEvent::RedrawRequested => {
                         let frame = surface

examples/src/hello_windows/mod.rs

@@ -100,8 +100,6 @@ async fn run(event_loop: EventLoop<()>, viewports: Vec<(Arc<Window>, wgpu::Color
                         // Recreate the swap chain with the new size
                         if let Some(viewport) = viewports.get_mut(&window_id) {
                             viewport.resize(&device, new_size);
-                            // On macos the window needs to be redrawn manually after resizing
-                            viewport.desc.window.request_redraw();
                         }
                     }
                     WindowEvent::RedrawRequested => {

examples/src/uniform_values/mod.rs

@@ -217,7 +217,6 @@ impl WgpuContext {
         self.surface_config.width = new_size.width;
         self.surface_config.height = new_size.height;
         self.surface.configure(&self.device, &self.surface_config);
-        self.window.request_redraw();
     }
 }
 
@@ -285,7 +284,6 @@ async fn run(event_loop: EventLoop<()>, window: Arc<Window>) {
                         WindowEvent::Resized(new_size) => {
                             let wgpu_context_mut = wgpu_context.as_mut().unwrap();
                             wgpu_context_mut.resize(new_size);
-                            wgpu_context_mut.window.request_redraw();
                         }
                         WindowEvent::RedrawRequested => {
                             let wgpu_context_ref = wgpu_context.as_ref().unwrap();