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(fix) Smooth resizing for macOS #7

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Merged
merged 1 commit into from
Mar 23, 2025
Merged

(fix) Smooth resizing for macOS #7

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16 changes: 16 additions & 0 deletions src/graphics.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,22 @@ impl<'window> Gpu<'window> {
let surface = instance.create_surface(Arc::clone(&window)).unwrap();
let push_const_size = std::mem::size_of::<[f32; 2]>() as u32;

// Jitter when resizing windows on macOS
// https://github.com/gfx-rs/wgpu/issues/3756
// https://github.com/gfx-rs/wgpu/pull/6107
// https://thume.ca/2019/06/19/glitchless-metal-window-resizing/
// https://raphlinus.github.io/rust/gui/2019/06/21/smooth-resize-test.html
#[allow(invalid_reference_casting)]
unsafe {
surface.as_hal::<wgpu::hal::metal::Api, _, ()>(|surface| {
if let Some(surface_ref) = surface {
let surface_mut = &mut *(surface_ref as *const wgpu::hal::metal::Surface
as *mut wgpu::hal::metal::Surface);
surface_mut.present_with_transaction = true;
}
});
}

let adapter = instance
.request_adapter(&wgpu::RequestAdapterOptions {
power_preference: wgpu::PowerPreference::default(),
Expand Down