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
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
|
/// @ref core
/// @file glm/detail/type_int.hpp
#pragma once
#include "setup.hpp"
#if GLM_HAS_MAKE_SIGNED
# include <type_traits>
#endif
#if GLM_HAS_EXTENDED_INTEGER_TYPE
# include <cstdint>
#endif
namespace glm{
namespace detail
{
# if GLM_HAS_EXTENDED_INTEGER_TYPE
typedef std::int8_t int8;
typedef std::int16_t int16;
typedef std::int32_t int32;
typedef std::int64_t int64;
typedef std::uint8_t uint8;
typedef std::uint16_t uint16;
typedef std::uint32_t uint32;
typedef std::uint64_t uint64;
# else
# if(defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) // C99 detected, 64 bit types available
typedef int64_t sint64;
typedef uint64_t uint64;
# elif GLM_COMPILER & GLM_COMPILER_VC
typedef signed __int64 sint64;
typedef unsigned __int64 uint64;
# elif GLM_COMPILER & GLM_COMPILER_GCC
# pragma GCC diagnostic ignored "-Wlong-long"
__extension__ typedef signed long long sint64;
__extension__ typedef unsigned long long uint64;
# elif (GLM_COMPILER & GLM_COMPILER_CLANG)
# pragma clang diagnostic ignored "-Wc++11-long-long"
typedef signed long long sint64;
typedef unsigned long long uint64;
# else//unknown compiler
typedef signed long long sint64;
typedef unsigned long long uint64;
# endif//GLM_COMPILER
typedef signed char int8;
typedef signed short int16;
typedef signed int int32;
typedef sint64 int64;
typedef unsigned char uint8;
typedef unsigned short uint16;
typedef unsigned int uint32;
typedef uint64 uint64;
#endif//
typedef signed int lowp_int_t;
typedef signed int mediump_int_t;
typedef signed int highp_int_t;
typedef unsigned int lowp_uint_t;
typedef unsigned int mediump_uint_t;
typedef unsigned int highp_uint_t;
# if GLM_HAS_MAKE_SIGNED
using std::make_signed;
using std::make_unsigned;
# else//GLM_HAS_MAKE_SIGNED
template <typename genType>
struct make_signed
{};
template <>
struct make_signed<char>
{
typedef char type;
};
template <>
struct make_signed<short>
{
typedef short type;
};
template <>
struct make_signed<int>
{
typedef int type;
};
template <>
struct make_signed<long>
{
typedef long type;
};
template <>
struct make_signed<unsigned char>
{
typedef char type;
};
template <>
struct make_signed<unsigned short>
{
typedef short type;
};
template <>
struct make_signed<unsigned int>
{
typedef int type;
};
template <>
struct make_signed<unsigned long>
{
typedef long type;
};
template <typename genType>
struct make_unsigned
{};
template <>
struct make_unsigned<char>
{
typedef unsigned char type;
};
template <>
struct make_unsigned<short>
{
typedef unsigned short type;
};
template <>
struct make_unsigned<int>
{
typedef unsigned int type;
};
template <>
struct make_unsigned<long>
{
typedef unsigned long type;
};
template <>
struct make_unsigned<unsigned char>
{
typedef unsigned char type;
};
template <>
struct make_unsigned<unsigned short>
{
typedef unsigned short type;
};
template <>
struct make_unsigned<unsigned int>
{
typedef unsigned int type;
};
template <>
struct make_unsigned<unsigned long>
{
typedef unsigned long type;
};
template <>
struct make_signed<long long>
{
typedef long long type;
};
template <>
struct make_signed<unsigned long long>
{
typedef long long type;
};
template <>
struct make_unsigned<long long>
{
typedef unsigned long long type;
};
template <>
struct make_unsigned<unsigned long long>
{
typedef unsigned long long type;
};
# endif//GLM_HAS_MAKE_SIGNED
}//namespace detail
typedef detail::int8 int8;
typedef detail::int16 int16;
typedef detail::int32 int32;
typedef detail::int64 int64;
typedef detail::uint8 uint8;
typedef detail::uint16 uint16;
typedef detail::uint32 uint32;
typedef detail::uint64 uint64;
/// @addtogroup core_precision
/// @{
/// Low precision signed integer.
/// There is no guarantee on the actual precision.
///
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.3 Integers</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a>
typedef detail::lowp_int_t lowp_int;
/// Medium precision signed integer.
/// There is no guarantee on the actual precision.
///
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.3 Integers</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a>
typedef detail::mediump_int_t mediump_int;
/// High precision signed integer.
/// There is no guarantee on the actual precision.
///
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.3 Integers</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a>
typedef detail::highp_int_t highp_int;
/// Low precision unsigned integer.
/// There is no guarantee on the actual precision.
///
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.3 Integers</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a>
typedef detail::lowp_uint_t lowp_uint;
/// Medium precision unsigned integer.
/// There is no guarantee on the actual precision.
///
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.3 Integers</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a>
typedef detail::mediump_uint_t mediump_uint;
/// High precision unsigned integer.
/// There is no guarantee on the actual precision.
///
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.3 Integers</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a>
typedef detail::highp_uint_t highp_uint;
#if(!defined(GLM_PRECISION_HIGHP_INT) && !defined(GLM_PRECISION_MEDIUMP_INT) && !defined(GLM_PRECISION_LOWP_INT))
typedef mediump_int int_t;
#elif(defined(GLM_PRECISION_HIGHP_INT) && !defined(GLM_PRECISION_MEDIUMP_INT) && !defined(GLM_PRECISION_LOWP_INT))
typedef highp_int int_t;
#elif(!defined(GLM_PRECISION_HIGHP_INT) && defined(GLM_PRECISION_MEDIUMP_INT) && !defined(GLM_PRECISION_LOWP_INT))
typedef mediump_int int_t;
#elif(!defined(GLM_PRECISION_HIGHP_INT) && !defined(GLM_PRECISION_MEDIUMP_INT) && defined(GLM_PRECISION_LOWP_INT))
typedef lowp_int int_t;
#else
# error "GLM error: multiple default precision requested for signed integer types"
#endif
#if(!defined(GLM_PRECISION_HIGHP_UINT) && !defined(GLM_PRECISION_MEDIUMP_UINT) && !defined(GLM_PRECISION_LOWP_UINT))
typedef mediump_uint uint_t;
#elif(defined(GLM_PRECISION_HIGHP_UINT) && !defined(GLM_PRECISION_MEDIUMP_UINT) && !defined(GLM_PRECISION_LOWP_UINT))
typedef highp_uint uint_t;
#elif(!defined(GLM_PRECISION_HIGHP_UINT) && defined(GLM_PRECISION_MEDIUMP_UINT) && !defined(GLM_PRECISION_LOWP_UINT))
typedef mediump_uint uint_t;
#elif(!defined(GLM_PRECISION_HIGHP_UINT) && !defined(GLM_PRECISION_MEDIUMP_UINT) && defined(GLM_PRECISION_LOWP_UINT))
typedef lowp_uint uint_t;
#else
# error "GLM error: multiple default precision requested for unsigned integer types"
#endif
/// Unsigned integer type.
///
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.3 Integers</a>
typedef unsigned int uint;
/// @}
////////////////////
// check type sizes
#ifndef GLM_STATIC_ASSERT_NULL
GLM_STATIC_ASSERT(sizeof(glm::int8) == 1, "int8 size isn't 1 byte on this platform");
GLM_STATIC_ASSERT(sizeof(glm::int16) == 2, "int16 size isn't 2 bytes on this platform");
GLM_STATIC_ASSERT(sizeof(glm::int32) == 4, "int32 size isn't 4 bytes on this platform");
GLM_STATIC_ASSERT(sizeof(glm::int64) == 8, "int64 size isn't 8 bytes on this platform");
GLM_STATIC_ASSERT(sizeof(glm::uint8) == 1, "uint8 size isn't 1 byte on this platform");
GLM_STATIC_ASSERT(sizeof(glm::uint16) == 2, "uint16 size isn't 2 bytes on this platform");
GLM_STATIC_ASSERT(sizeof(glm::uint32) == 4, "uint32 size isn't 4 bytes on this platform");
GLM_STATIC_ASSERT(sizeof(glm::uint64) == 8, "uint64 size isn't 8 bytes on this platform");
#endif//GLM_STATIC_ASSERT_NULL
}//namespace glm
|
