1 /////////////////////////////////////////////////////////////////////////////////// 2 /// OpenGL Mathematics (glm.g-truc.net) 3 /// 4 /// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net) 5 /// Permission is hereby granted, free of charge, to any person obtaining a copy 6 /// of this software and associated documentation files (the "Software"), to deal 7 /// in the Software without restriction, including without limitation the rights 8 /// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 /// copies of the Software, and to permit persons to whom the Software is 10 /// furnished to do so, subject to the following conditions: 11 /// 12 /// The above copyright notice and this permission notice shall be included in 13 /// all copies or substantial portions of the Software. 14 /// 15 /// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 /// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 /// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 /// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 /// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 /// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21 /// THE SOFTWARE. 22 /// 23 /// @ref core 24 /// @file glm/core/type_int.hpp 25 /// @date 2008-08-22 / 2013-03-30 26 /// @author Christophe Riccio 27 /////////////////////////////////////////////////////////////////////////////////// 28 29 #ifndef glm_core_type_int 30 #define glm_core_type_int 31 32 #include "setup.hpp" 33 34 #if GLM_HAS_EXTENDED_INTEGER_TYPE 35 # include <cstdint> 36 #endif 37 38 namespace glm{ 39 namespace detail 40 { 41 # if GLM_HAS_EXTENDED_INTEGER_TYPE 42 typedef std::int8_t int8; 43 typedef std::int16_t int16; 44 typedef std::int32_t int32; 45 typedef std::int64_t int64; 46 47 typedef std::uint8_t uint8; 48 typedef std::uint16_t uint16; 49 typedef std::uint32_t uint32; 50 typedef std::uint64_t uint64; 51 # else 52 # if(defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) // C99 detected, 64 bit types available 53 typedef int64_t sint64; 54 typedef uint64_t uint64; 55 # elif(GLM_COMPILER & GLM_COMPILER_VC) 56 typedef signed __int64 sint64; 57 typedef unsigned __int64 uint64; 58 # elif(GLM_COMPILER & (GLM_COMPILER_GCC | GLM_COMPILER_LLVM_GCC | GLM_COMPILER_CLANG)) 59 __extension__ typedef signed long long sint64; 60 __extension__ typedef unsigned long long uint64; 61 # elif(GLM_COMPILER & GLM_COMPILER_BC) 62 typedef Int64 sint64; 63 typedef Uint64 uint64; 64 # else//unknown compiler 65 typedef signed long long sint64; 66 typedef unsigned long long uint64; 67 # endif//GLM_COMPILER 68 69 typedef signed char int8; 70 typedef signed short int16; 71 typedef signed int int32; 72 typedef sint64 int64; 73 74 typedef unsigned char uint8; 75 typedef unsigned short uint16; 76 typedef unsigned int uint32; 77 typedef uint64 uint64; 78 #endif// 79 80 typedef signed int lowp_int_t; 81 typedef signed int mediump_int_t; 82 typedef signed int highp_int_t; 83 84 typedef unsigned int lowp_uint_t; 85 typedef unsigned int mediump_uint_t; 86 typedef unsigned int highp_uint_t; 87 }//namespace detail 88 89 typedef detail::int8 int8; 90 typedef detail::int16 int16; 91 typedef detail::int32 int32; 92 typedef detail::int64 int64; 93 94 typedef detail::uint8 uint8; 95 typedef detail::uint16 uint16; 96 typedef detail::uint32 uint32; 97 typedef detail::uint64 uint64; 98 99 /// @addtogroup core_precision 100 /// @{ 101 102 /// Low precision signed integer. 103 /// There is no guarantee on the actual precision. 104 /// 105 /// @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> 106 /// @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> 107 typedef detail::lowp_int_t lowp_int; 108 109 /// Medium precision signed integer. 110 /// There is no guarantee on the actual precision. 111 /// 112 /// @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> 113 /// @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> 114 typedef detail::mediump_int_t mediump_int; 115 116 /// High precision signed integer. 117 /// There is no guarantee on the actual precision. 118 /// 119 /// @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> 120 /// @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> 121 typedef detail::highp_int_t highp_int; 122 123 /// Low precision unsigned integer. 124 /// There is no guarantee on the actual precision. 125 /// 126 /// @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> 127 /// @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> 128 typedef detail::lowp_uint_t lowp_uint; 129 130 /// Medium precision unsigned integer. 131 /// There is no guarantee on the actual precision. 132 /// 133 /// @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> 134 /// @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> 135 typedef detail::mediump_uint_t mediump_uint; 136 137 /// High precision unsigned integer. 138 /// There is no guarantee on the actual precision. 139 /// 140 /// @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> 141 /// @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> 142 typedef detail::highp_uint_t highp_uint; 143 144 #if(!defined(GLM_PRECISION_HIGHP_INT) && !defined(GLM_PRECISION_MEDIUMP_INT) && !defined(GLM_PRECISION_LOWP_INT)) 145 typedef mediump_int int_t; 146 #elif(defined(GLM_PRECISION_HIGHP_INT) && !defined(GLM_PRECISION_MEDIUMP_INT) && !defined(GLM_PRECISION_LOWP_INT)) 147 typedef highp_int int_t; 148 #elif(!defined(GLM_PRECISION_HIGHP_INT) && defined(GLM_PRECISION_MEDIUMP_INT) && !defined(GLM_PRECISION_LOWP_INT)) 149 typedef mediump_int int_t; 150 #elif(!defined(GLM_PRECISION_HIGHP_INT) && !defined(GLM_PRECISION_MEDIUMP_INT) && defined(GLM_PRECISION_LOWP_INT)) 151 typedef lowp_int int_t; 152 #else 153 # error "GLM error: multiple default precision requested for signed interger types" 154 #endif 155 156 #if(!defined(GLM_PRECISION_HIGHP_UINT) && !defined(GLM_PRECISION_MEDIUMP_UINT) && !defined(GLM_PRECISION_LOWP_UINT)) 157 typedef mediump_uint uint_t; 158 #elif(defined(GLM_PRECISION_HIGHP_UINT) && !defined(GLM_PRECISION_MEDIUMP_UINT) && !defined(GLM_PRECISION_LOWP_UINT)) 159 typedef highp_uint uint_t; 160 #elif(!defined(GLM_PRECISION_HIGHP_UINT) && defined(GLM_PRECISION_MEDIUMP_UINT) && !defined(GLM_PRECISION_LOWP_UINT)) 161 typedef mediump_uint uint_t; 162 #elif(!defined(GLM_PRECISION_HIGHP_UINT) && !defined(GLM_PRECISION_MEDIUMP_UINT) && defined(GLM_PRECISION_LOWP_UINT)) 163 typedef lowp_uint uint_t; 164 #else 165 # error "GLM error: multiple default precision requested for unsigned interger types" 166 #endif 167 168 /// Unsigned integer type. 169 /// 170 /// @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> 171 typedef unsigned int uint; 172 173 /// @} 174 175 //////////////////// 176 // check type sizes 177 #ifndef GLM_STATIC_ASSERT_NULL 178 GLM_STATIC_ASSERT(sizeof(glm::int8) == 1, "int8 size isn't 1 byte on this platform"); 179 GLM_STATIC_ASSERT(sizeof(glm::int16) == 2, "int16 size isn't 2 bytes on this platform"); 180 GLM_STATIC_ASSERT(sizeof(glm::int32) == 4, "int32 size isn't 4 bytes on this platform"); 181 GLM_STATIC_ASSERT(sizeof(glm::int64) == 8, "int64 size isn't 8 bytes on this platform"); 182 183 GLM_STATIC_ASSERT(sizeof(glm::uint8) == 1, "uint8 size isn't 1 byte on this platform"); 184 GLM_STATIC_ASSERT(sizeof(glm::uint16) == 2, "uint16 size isn't 2 bytes on this platform"); 185 GLM_STATIC_ASSERT(sizeof(glm::uint32) == 4, "uint32 size isn't 4 bytes on this platform"); 186 GLM_STATIC_ASSERT(sizeof(glm::uint64) == 8, "uint64 size isn't 8 bytes on this platform"); 187 #endif//GLM_STATIC_ASSERT_NULL 188 189 }//namespace glm 190 191 #endif//glm_core_type_int 192