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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
#pragma once
#include "setup.hpp"
namespace glm
{
/// Qualify GLM types in term of alignment (packed, aligned) and precision in term of ULPs (lowp, mediump, highp)
enum qualifier
{
packed_highp, ///< Typed data is tightly packed in memory and operations are executed with high precision in term of ULPs
packed_mediump, ///< Typed data is tightly packed in memory and operations are executed with medium precision in term of ULPs for higher performance
packed_lowp, ///< Typed data is tightly packed in memory and operations are executed with low precision in term of ULPs to maximize performance
# if GLM_CONFIG_ALIGNED_GENTYPES == GLM_ENABLE
aligned_highp, ///< Typed data is aligned in memory allowing SIMD optimizations and operations are executed with high precision in term of ULPs
aligned_mediump, ///< Typed data is aligned in memory allowing SIMD optimizations and operations are executed with high precision in term of ULPs for higher performance
aligned_lowp, // ///< Typed data is aligned in memory allowing SIMD optimizations and operations are executed with high precision in term of ULPs to maximize performance
aligned = aligned_highp, ///< By default aligned qualifier is also high precision
# endif
highp = packed_highp, ///< By default highp qualifier is also packed
mediump = packed_mediump, ///< By default mediump qualifier is also packed
lowp = packed_lowp, ///< By default lowp qualifier is also packed
packed = packed_highp, ///< By default packed qualifier is also high precision
# if GLM_CONFIG_ALIGNED_GENTYPES == GLM_ENABLE && defined(GLM_FORCE_DEFAULT_ALIGNED_GENTYPES)
defaultp = aligned_highp
# else
defaultp = highp
# endif
};
typedef qualifier precision;
template<length_t L, typename T, qualifier Q = defaultp> struct vec;
template<length_t C, length_t R, typename T, qualifier Q = defaultp> struct mat;
template<typename T, qualifier Q = defaultp> struct qua;
# if GLM_HAS_TEMPLATE_ALIASES
template <typename T, qualifier Q = defaultp> using tvec1 = vec<1, T, Q>;
template <typename T, qualifier Q = defaultp> using tvec2 = vec<2, T, Q>;
template <typename T, qualifier Q = defaultp> using tvec3 = vec<3, T, Q>;
template <typename T, qualifier Q = defaultp> using tvec4 = vec<4, T, Q>;
template <typename T, qualifier Q = defaultp> using tmat2x2 = mat<2, 2, T, Q>;
template <typename T, qualifier Q = defaultp> using tmat2x3 = mat<2, 3, T, Q>;
template <typename T, qualifier Q = defaultp> using tmat2x4 = mat<2, 4, T, Q>;
template <typename T, qualifier Q = defaultp> using tmat3x2 = mat<3, 2, T, Q>;
template <typename T, qualifier Q = defaultp> using tmat3x3 = mat<3, 3, T, Q>;
template <typename T, qualifier Q = defaultp> using tmat3x4 = mat<3, 4, T, Q>;
template <typename T, qualifier Q = defaultp> using tmat4x2 = mat<4, 2, T, Q>;
template <typename T, qualifier Q = defaultp> using tmat4x3 = mat<4, 3, T, Q>;
template <typename T, qualifier Q = defaultp> using tmat4x4 = mat<4, 4, T, Q>;
template <typename T, qualifier Q = defaultp> using tquat = qua<T, Q>;
# endif
namespace detail
{
template<glm::qualifier P>
struct is_aligned
{
static const bool value = false;
};
# if GLM_CONFIG_ALIGNED_GENTYPES == GLM_ENABLE
template<>
struct is_aligned<glm::aligned_lowp>
{
static const bool value = true;
};
template<>
struct is_aligned<glm::aligned_mediump>
{
static const bool value = true;
};
template<>
struct is_aligned<glm::aligned_highp>
{
static const bool value = true;
};
# endif
template<length_t L, typename T, bool is_aligned>
struct storage
{
typedef struct type {
T data[L];
} type;
};
# if GLM_HAS_ALIGNOF
template<length_t L, typename T>
struct storage<L, T, true>
{
typedef struct alignas(L * sizeof(T)) type {
T data[L];
} type;
};
template<typename T>
struct storage<3, T, true>
{
typedef struct alignas(4 * sizeof(T)) type {
T data[4];
} type;
};
# endif
# if GLM_ARCH & GLM_ARCH_SSE2_BIT
template<>
struct storage<4, float, true>
{
typedef glm_f32vec4 type;
};
template<>
struct storage<4, int, true>
{
typedef glm_i32vec4 type;
};
template<>
struct storage<4, unsigned int, true>
{
typedef glm_u32vec4 type;
};
template<>
struct storage<2, double, true>
{
typedef glm_f64vec2 type;
};
template<>
struct storage<2, detail::int64, true>
{
typedef glm_i64vec2 type;
};
template<>
struct storage<2, detail::uint64, true>
{
typedef glm_u64vec2 type;
};
# endif
# if (GLM_ARCH & GLM_ARCH_AVX_BIT)
template<>
struct storage<4, double, true>
{
typedef glm_f64vec4 type;
};
# endif
# if (GLM_ARCH & GLM_ARCH_AVX2_BIT)
template<>
struct storage<4, detail::int64, true>
{
typedef glm_i64vec4 type;
};
template<>
struct storage<4, detail::uint64, true>
{
typedef glm_u64vec4 type;
};
# endif
# if GLM_ARCH & GLM_ARCH_NEON_BIT
template<>
struct storage<4, float, true>
{
typedef glm_f32vec4 type;
};
template<>
struct storage<4, int, true>
{
typedef glm_i32vec4 type;
};
template<>
struct storage<4, unsigned int, true>
{
typedef glm_u32vec4 type;
};
# endif
enum genTypeEnum
{
GENTYPE_VEC,
GENTYPE_MAT,
GENTYPE_QUAT
};
template <typename genType>
struct genTypeTrait
{};
template <length_t C, length_t R, typename T>
struct genTypeTrait<mat<C, R, T> >
{
static const genTypeEnum GENTYPE = GENTYPE_MAT;
};
template<typename genType, genTypeEnum type>
struct init_gentype
{
};
template<typename genType>
struct init_gentype<genType, GENTYPE_QUAT>
{
GLM_FUNC_QUALIFIER GLM_CONSTEXPR static genType identity()
{
return genType(1, 0, 0, 0);
}
};
template<typename genType>
struct init_gentype<genType, GENTYPE_MAT>
{
GLM_FUNC_QUALIFIER GLM_CONSTEXPR static genType identity()
{
return genType(1);
}
};
}//namespace detail
}//namespace glm
|
