| /////////////////////////////////////////////////////////////////////////////////// |
| /// OpenGL Mathematics (glm.g-truc.net) |
| /// |
| /// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net) |
| /// Permission is hereby granted, free of charge, to any person obtaining a copy |
| /// of this software and associated documentation files (the "Software"), to deal |
| /// in the Software without restriction, including without limitation the rights |
| /// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| /// copies of the Software, and to permit persons to whom the Software is |
| /// furnished to do so, subject to the following conditions: |
| /// |
| /// The above copyright notice and this permission notice shall be included in |
| /// all copies or substantial portions of the Software. |
| /// |
| /// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| /// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| /// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| /// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| /// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| /// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| /// THE SOFTWARE. |
| /// |
| /// @ref core |
| /// @file glm/core/type_int.hpp |
| /// @date 2008-08-22 / 2013-03-30 |
| /// @author Christophe Riccio |
| /////////////////////////////////////////////////////////////////////////////////// |
| |
| #ifndef glm_core_type_int |
| #define glm_core_type_int |
| |
| #include "setup.hpp" |
| |
| #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 | GLM_COMPILER_LLVM_GCC | GLM_COMPILER_CLANG)) |
| __extension__ typedef signed long long sint64; |
| __extension__ typedef unsigned long long uint64; |
| # elif(GLM_COMPILER & GLM_COMPILER_BC) |
| typedef Int64 sint64; |
| typedef Uint64 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; |
| }//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 interger 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 interger 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 |
| |
| #endif//glm_core_type_int |