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Diffstat (limited to 'external/include/glm/detail/type_int.hpp')
| -rw-r--r-- | external/include/glm/detail/type_int.hpp | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/external/include/glm/detail/type_int.hpp b/external/include/glm/detail/type_int.hpp new file mode 100644 index 0000000..764a32c --- /dev/null +++ b/external/include/glm/detail/type_int.hpp @@ -0,0 +1,306 @@ +/// @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 |