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// Copyright 2016 GFX developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
use super::NSUInteger;
use std::default::Default;
/// See <https://developer.apple.com/documentation/metal/mtlorigin>
#[repr(C)]
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash, Default)]
pub struct MTLOrigin {
pub x: NSUInteger,
pub y: NSUInteger,
pub z: NSUInteger,
}
/// See <https://developer.apple.com/documentation/metal/mtlsize>
#[repr(C)]
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash, Default)]
pub struct MTLSize {
pub width: NSUInteger,
pub height: NSUInteger,
pub depth: NSUInteger,
}
impl MTLSize {
pub fn new(width: NSUInteger, height: NSUInteger, depth: NSUInteger) -> Self {
Self {
width,
height,
depth,
}
}
}
/// See <https://developer.apple.com/documentation/metal/mtlregion>
#[repr(C)]
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash, Default)]
pub struct MTLRegion {
pub origin: MTLOrigin,
pub size: MTLSize,
}
impl MTLRegion {
#[inline]
pub fn new_1d(x: NSUInteger, width: NSUInteger) -> Self {
Self::new_2d(x, 0, width, 1)
}
#[inline]
pub fn new_2d(x: NSUInteger, y: NSUInteger, width: NSUInteger, height: NSUInteger) -> Self {
Self::new_3d(x, y, 0, width, height, 1)
}
#[inline]
pub fn new_3d(
x: NSUInteger,
y: NSUInteger,
z: NSUInteger,
width: NSUInteger,
height: NSUInteger,
depth: NSUInteger,
) -> Self {
Self {
origin: MTLOrigin { x, y, z },
size: MTLSize {
width,
height,
depth,
},
}
}
}
/// See <https://developer.apple.com/documentation/metal/mtlsampleposition>
#[repr(C)]
#[derive(Copy, Clone, Debug, PartialEq, Default)]
pub struct MTLSamplePosition {
pub x: f32,
pub y: f32,
}
#[repr(C)]
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash, Default)]
pub struct MTLResourceID {
pub _impl: u64,
}
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