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metal: simplify surface fn dimensions()

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This commit is contained in:
Jinlei Li 2022-02-23 23:10:42 +08:00 committed by Dzmitry Malyshau
parent 6595188e8e
commit dd4a5396d6
1 changed files with 6 additions and 24 deletions
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20
wgpu-hal/src/metal/surface.rs
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@ -134,30 +134,12 @@ impl super::Surface {
}
pub(super) fn dimensions(&self) -> wgt::Extent3d {
let (size, scale): (CGSize, CGFloat) = match self.view {
Some(view) if !cfg!(target_os = "macos") => unsafe {
let bounds: CGRect = msg_send![view.as_ptr(), bounds];
let window: Option<NonNull<Object>> = msg_send![view.as_ptr(), window];
let screen = window.and_then(|window| -> Option<NonNull<Object>> {
msg_send![window.as_ptr(), screen]
});
match screen {
Some(screen) => {
let screen_space: *mut Object = msg_send![screen.as_ptr(), coordinateSpace];
let rect: CGRect = msg_send![view.as_ptr(), convertRect:bounds toCoordinateSpace:screen_space];
let scale_factor: CGFloat = msg_send![screen.as_ptr(), nativeScale];
(rect.size, scale_factor)
}
None => (bounds.size, 1.0),
}
},
_ => unsafe {
let (size, scale): (CGSize, CGFloat) = unsafe {
let render_layer_borrow = self.render_layer.lock();
let render_layer = render_layer_borrow.as_ref();
let bounds: CGRect = msg_send![render_layer, bounds];
let contents_scale: CGFloat = msg_send![render_layer, contentsScale];
(bounds.size, contents_scale)
},
};
wgt::Extent3d {