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Trigger a surface resize to deal with window resize race condition (#9525)

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This commit is contained in:
k9
2026-05-14 21:24:25 -04:00
committed by GitHub
parent ede780d7e8
commit 16aec0b09a
1 changed files with 24 additions and 11 deletions
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35
examples/features/src/hello_triangle/mod.rs
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@@ -56,6 +56,24 @@ impl App {
state: AppState::Uninitialized,
}
}
fn resize_surface(&mut self, new_size: winit::dpi::PhysicalSize<u32>) {
let AppState::Running(wgpu_state) = &mut self.state else {
return;
};
// Reconfigure the surface with the new size
wgpu_state.config.width = new_size.width.max(1);
wgpu_state.config.height = new_size.height.max(1);
wgpu_state
.surface
.configure(&wgpu_state.device, &wgpu_state.config);
// On macos the window needs to be redrawn manually after resizing
if let Some(window) = &self.window {
window.request_redraw();
}
}
}
impl ApplicationHandler<TriangleAction> for App {
@@ -173,6 +191,7 @@ impl ApplicationHandler<TriangleAction> for App {
let config = surface
.get_default_config(&adapter, size.width, size.height)
.unwrap();
surface.configure(&device, &config);
let _ = proxy.send_event(TriangleAction::Initialized(WgpuState {
@@ -191,8 +210,11 @@ impl ApplicationHandler<TriangleAction> for App {
match event {
TriangleAction::Initialized(wgpu_state) => {
self.state = AppState::Running(wgpu_state);
// winit might have updated the window size while we were
// creating the surface asynchronously, so resize the surface.
if let Some(window) = &self.window {
window.request_redraw();
self.resize_surface(window.inner_size());
}
}
}
@@ -210,16 +232,7 @@ impl ApplicationHandler<TriangleAction> for App {
match event {
WindowEvent::Resized(new_size) => {
// Reconfigure the surface with the new size
wgpu_state.config.width = new_size.width.max(1);
wgpu_state.config.height = new_size.height.max(1);
wgpu_state
.surface
.configure(&wgpu_state.device, &wgpu_state.config);
// On macos the window needs to be redrawn manually after resizing
if let Some(window) = &self.window {
window.request_redraw();
}
self.resize_surface(new_size);
}
WindowEvent::RedrawRequested => {
let frame = match wgpu_state.surface.get_current_texture() {