mirror of
https://github.com/hedge-dev/XenonRecomp.git
synced 2025-10-30 07:11:38 +00:00
38 lines
1,022 B
C++
38 lines
1,022 B
C++
#pragma once
|
|
|
|
#include <cassert>
|
|
|
|
#if defined(_MSC_VER) // MSVC
|
|
#include <intrin.h>
|
|
#define BSWAP16(x) _byteswap_ushort(x)
|
|
#define BSWAP32(x) _byteswap_ulong(x)
|
|
#define BSWAP64(x) _byteswap_uint64(x)
|
|
#elif defined(__GNUC__) || defined(__clang__) // GCC or Clang
|
|
#define BSWAP16(x) __builtin_bswap16(x)
|
|
#define BSWAP32(x) __builtin_bswap32(x)
|
|
#define BSWAP64(x) __builtin_bswap64(x)
|
|
#else
|
|
#error "Unsupported compiler"
|
|
#endif
|
|
|
|
template<typename T>
|
|
inline T ByteSwap(T value)
|
|
{
|
|
if constexpr (sizeof(T) == 1)
|
|
return value;
|
|
else if constexpr (sizeof(T) == 2)
|
|
return static_cast<T>(BSWAP16(static_cast<uint16_t>(value)));
|
|
else if constexpr (sizeof(T) == 4)
|
|
return static_cast<T>(BSWAP32(static_cast<uint32_t>(value)));
|
|
else if constexpr (sizeof(T) == 8)
|
|
return static_cast<T>(BSWAP64(static_cast<uint64_t>(value)));
|
|
|
|
assert(false && "Unexpected byte size.");
|
|
return value;
|
|
}
|
|
|
|
template<typename T>
|
|
inline void ByteSwapInplace(T& value)
|
|
{
|
|
value = ByteSwap(value);
|
|
}
|