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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
#[cfg(not(target_arch = "spirv"))]
use core::fmt;
use core::{hash, ops::*};
#[derive(Clone, Copy)]
#[repr(C)]
pub struct BVec3 {
pub x: bool,
pub y: bool,
pub z: bool,
}
const MASK: [u32; 2] = [0, 0xff_ff_ff_ff];
const FALSE: BVec3 = BVec3::new(false, false, false);
impl BVec3 {
#[inline(always)]
pub const fn new(x: bool, y: bool, z: bool) -> Self {
Self { x, y, z }
}
#[inline]
pub fn bitmask(self) -> u32 {
(self.x as u32) | (self.y as u32) << 1 | (self.z as u32) << 2
}
#[inline]
pub fn any(self) -> bool {
self.x || self.y || self.z
}
#[inline]
pub fn all(self) -> bool {
self.x && self.y && self.z
}
#[inline]
fn into_bool_array(self) -> [bool; 3] {
[self.x, self.y, self.z]
}
#[inline]
fn into_u32_array(self) -> [u32; 3] {
[
MASK[self.x as usize],
MASK[self.y as usize],
MASK[self.z as usize],
]
}
}
impl Default for BVec3 {
#[inline]
fn default() -> Self {
FALSE
}
}
impl PartialEq for BVec3 {
#[inline]
fn eq(&self, rhs: &Self) -> bool {
self.bitmask().eq(&rhs.bitmask())
}
}
impl Eq for BVec3 {}
impl hash::Hash for BVec3 {
#[inline]
fn hash<H: hash::Hasher>(&self, state: &mut H) {
self.bitmask().hash(state);
}
}
impl BitAnd for BVec3 {
type Output = Self;
#[inline]
fn bitand(self, rhs: Self) -> Self {
Self {
x: self.x & rhs.x,
y: self.y & rhs.y,
z: self.z & rhs.z,
}
}
}
impl BitAndAssign for BVec3 {
#[inline]
fn bitand_assign(&mut self, rhs: Self) {
*self = self.bitand(rhs);
}
}
impl BitOr for BVec3 {
type Output = Self;
#[inline]
fn bitor(self, rhs: Self) -> Self {
Self {
x: self.x | rhs.x,
y: self.y | rhs.y,
z: self.z | rhs.z,
}
}
}
impl BitOrAssign for BVec3 {
#[inline]
fn bitor_assign(&mut self, rhs: Self) {
*self = self.bitor(rhs);
}
}
impl BitXor for BVec3 {
type Output = Self;
#[inline]
fn bitxor(self, rhs: Self) -> Self {
Self {
x: self.x ^ rhs.x,
y: self.y ^ rhs.y,
z: self.z ^ rhs.z,
}
}
}
impl BitXorAssign for BVec3 {
#[inline]
fn bitxor_assign(&mut self, rhs: Self) {
*self = self.bitxor(rhs);
}
}
impl Not for BVec3 {
type Output = Self;
#[inline]
fn not(self) -> Self {
Self {
x: !self.x,
y: !self.y,
z: !self.z,
}
}
}
#[cfg(not(target_arch = "spirv"))]
impl fmt::Debug for BVec3 {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let arr = self.into_u32_array();
write!(
f,
"{}({:#x}, {:#x}, {:#x})",
stringify!(BVec3),
arr[0],
arr[1],
arr[2]
)
}
}
#[cfg(not(target_arch = "spirv"))]
impl fmt::Display for BVec3 {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let arr = self.into_bool_array();
write!(f, "[{}, {}, {}]", arr[0], arr[1], arr[2])
}
}
impl From<BVec3> for [bool; 3] {
#[inline]
fn from(mask: BVec3) -> Self {
mask.into_bool_array()
}
}
impl From<BVec3> for [u32; 3] {
#[inline]
fn from(mask: BVec3) -> Self {
mask.into_u32_array()
}
}