type_int.hpp

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#pragma once

#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;


        typedef detail::lowp_int_t                              lowp_int;

        typedef detail::mediump_int_t                   mediump_int;

        typedef detail::highp_int_t                             highp_int;

        typedef detail::lowp_uint_t                             lowp_uint;

        typedef detail::mediump_uint_t                  mediump_uint;

        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

        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