1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118

use bytemuck::{Pod, Zeroable};

use crate::std140::Std140;

unsafe impl Std140 for f32 {
    const ALIGNMENT: usize = 4;
}

unsafe impl Std140 for f64 {
    const ALIGNMENT: usize = 8;
}

unsafe impl Std140 for i32 {
    const ALIGNMENT: usize = 4;
}

unsafe impl Std140 for u32 {
    const ALIGNMENT: usize = 4;
}

/// Corresponds to GLSL's `vec2`.

#[allow(missing_docs)]
#[derive(Debug, Clone, Copy)]
pub struct Vec2 {
    pub x: f32,
    pub y: f32,
}

unsafe impl Zeroable for Vec2 {}
unsafe impl Pod for Vec2 {}

unsafe impl Std140 for Vec2 {
    const ALIGNMENT: usize = 8;
}

/// Corresponds to GLSL's `vec3`.

#[allow(missing_docs)]
#[derive(Debug, Clone, Copy)]
pub struct Vec3 {
    pub x: f32,
    pub y: f32,
    pub z: f32,
}

unsafe impl Zeroable for Vec3 {}
unsafe impl Pod for Vec3 {}

unsafe impl Std140 for Vec3 {
    const ALIGNMENT: usize = 16;
}

/// Corresponds to GLSL's `vec4`.

#[allow(missing_docs)]
#[derive(Debug, Clone, Copy)]
pub struct Vec4 {
    pub x: f32,
    pub y: f32,
    pub z: f32,
    pub w: f32,
}

unsafe impl Zeroable for Vec4 {}
unsafe impl Pod for Vec4 {}

unsafe impl Std140 for Vec4 {
    const ALIGNMENT: usize = 16;
}

/// Corresponds to GLSL's `mat2`.

#[allow(missing_docs)]
#[derive(Debug, Clone, Copy)]
pub struct Mat2 {
    pub x: Vec2,
    pub _pad_y: [f32; 2],
    pub y: Vec2,
}

unsafe impl Zeroable for Mat2 {}
unsafe impl Pod for Mat2 {}

unsafe impl Std140 for Mat2 {
    const ALIGNMENT: usize = 16;
}

/// Corresponds to GLSL's `mat3`.

#[allow(missing_docs)]
#[derive(Debug, Clone, Copy)]
pub struct Mat3 {
    pub x: Vec3,
    pub _pad_y: f32,
    pub y: Vec3,
    pub _pad_z: f32,
    pub z: Vec3,
}

unsafe impl Zeroable for Mat3 {}
unsafe impl Pod for Mat3 {}

unsafe impl Std140 for Mat3 {
    const ALIGNMENT: usize = 16;
}

/// Corresponds to GLSL's `mat4`.

#[allow(missing_docs)]
#[derive(Debug, Clone, Copy)]
pub struct Mat4 {
    pub x: Vec4,
    pub y: Vec4,
    pub z: Vec4,
    pub w: Vec4,
}

unsafe impl Zeroable for Mat4 {}
unsafe impl Pod for Mat4 {}

unsafe impl Std140 for Mat4 {
    const ALIGNMENT: usize = 16;
}