| /// @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 |