glsl_layout/
scalar.rs

1use crate::align::{Align4, Align8};
2use crate::uniform::{Std140, Uniform};
3
4macro_rules! impl_scalar {
5    ($type:ty : $align:tt) => {
6        unsafe impl Std140 for $type {}
7
8        impl Uniform for $type {
9            type Align = $align;
10            type Std140 = $type;
11
12            fn std140(&self) -> $type {
13                *self
14            }
15        }
16    };
17}
18
19/// Boolean value.
20#[derive(Clone, Copy, Debug, Default, PartialOrd, PartialEq, Ord, Eq, Hash)]
21pub struct boolean(u32);
22impl_scalar!(boolean: Align4);
23
24impl boolean {
25    /// Create `boolean` from `bool`.
26    pub fn new(value: bool) -> Self {
27        value.into()
28    }
29}
30
31impl From<bool> for boolean {
32    fn from(value: bool) -> Self {
33        boolean(value as u32)
34    }
35}
36
37impl From<boolean> for bool {
38    fn from(value: boolean) -> Self {
39        value.0 != 0
40    }
41}
42
43/// Signed integer value.
44pub type int = i32;
45impl_scalar!(int: Align4);
46
47/// Unsigned integer value.
48pub type uint = u32;
49impl_scalar!(uint: Align4);
50
51/// floating-point value.
52pub type float = f32;
53impl_scalar!(float: Align4);
54
55/// Double-precision floating-point value.
56pub type double = f64;
57impl_scalar!(double: Align8);
glsl_layout/scalar.rs

glsl_layout/
scalar.rs
