blob: fb7a903214be2d7ee00929f771c643ca343aadee (
plain)
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
|
#ifndef TARRAY_H
#define TARRAY_H
#include <global_types.h>
#include <string.h>
#include <pso/macros.h>
template<typename T, size_t n>
class TArray {
public:
T m_data[n];
public:
T *data() {
return m_data;
};
size_t size() {
return n;
};
size_t byte_size() {
return n * sizeof(T);
};
T &operator[](size_t i) {
return m_data[i];
};
template<typename T2>
T2 *as() {
return reinterpret_cast<T2 *>(m_data);
};
u8 *as_bytes() {
return reinterpret_cast<u8 *>(m_data);
};
void fill_with(u8 val) {
_fill_with<false>(val);
};
void fast_fill_with(u8 val) {
_fill_with<true>(val);
};
template<typename T2>
void copy(const T2 &val) {
_copy<T2, false>(val);
};
template<typename T2>
void copy_reverse(const T2 &val) {
_copy_reverse<T2, false>(val);
};
template<typename T2>
void fast_copy(const T2 &val) {
_copy<T2, true>(val);
};
template<typename T2>
void fast_copy_reverse(const T2 &val) {
_copy_reverse<T2, true>(val);
};
private:
template<bool do_unroll_check>
void _fill_with(u8 val) {
u8 *bytes = as_bytes();
size_t size = byte_size();
if (do_unroll_check && size <= 8) {
int i = 0;
switch (size) {
case 8: bytes[i++] = val;
case 7: bytes[i++] = val;
case 6: bytes[i++] = val;
case 5: bytes[i++] = val;
case 4: bytes[i++] = val;
case 3: bytes[i++] = val;
case 2: bytes[i++] = val;
case 1: bytes[i++] = val;
default: break;
}
} else {
for (int i = 0; i < size; ++i) {
bytes[i] = val;
}
}
};
template<typename T2, bool do_unroll_check>
void _copy(const T2 &val) {
size_t size = sizeof(T2)/sizeof(T);
const T *src = reinterpret_cast<const T *>(&val);
if (do_unroll_check && size <= 8) {
int i = 0;
switch (size) {
case 8: m_data[i] = src[i++];
case 7: m_data[i] = src[i++];
case 6: m_data[i] = src[i++];
case 5: m_data[i] = src[i++];
case 4: m_data[i] = src[i++];
case 3: m_data[i] = src[i++];
case 2: m_data[i] = src[i++];
case 1: m_data[i] = src[i++];
default: break;
}
} else {
for (int i = 0; i < size; ++i) {
m_data[i] = src[i];
}
}
};
template<typename T2, bool do_unroll_check>
void _copy_reverse(const T2 &val) {
size_t size = sizeof(T2)/sizeof(T);
const T *src = reinterpret_cast<const T *>(&val);
if (do_unroll_check && size <= 8) {
int i = size-1;
int j = 0;
switch (size) {
case 8: m_data[i--] = src[j++];
case 7: m_data[i--] = src[j++];
case 6: m_data[i--] = src[j++];
case 5: m_data[i--] = src[j++];
case 4: m_data[i--] = src[j++];
case 3: m_data[i--] = src[j++];
case 2: m_data[i--] = src[j++];
case 1: m_data[i--] = src[j++];
default: break;
}
} else {
for (int i = size-1, j = 0; i; --i, ++j) {
m_data[i] = src[j];
}
}
};
};
#endif
|
