diff --git a/include/SDL_endian.h b/include/SDL_endian.h index f3de7b2b8c641a8d8aa7863575f4a451709485b6..28ff0ae59065c65a0ef3aeebfd2c37fb9623f84c 100644 --- a/include/SDL_endian.h +++ b/include/SDL_endian.h @@ -192,21 +192,35 @@ SDL_Swap64(Uint64 x) #endif /* SDL_HAS_64BIT_TYPE */ +static __inline__ float +SDL_SwapFloat(float x) +{ + union { float f; Uint32 ui32; } swapper; + swapper.f = x; + swapper.ui32 = SDL_Swap32(swapper.ui32); + return swapper.f; +} + + /* Byteswap item from the specified endianness to the native endianness */ #if SDL_BYTEORDER == SDL_LIL_ENDIAN #define SDL_SwapLE16(X) (X) #define SDL_SwapLE32(X) (X) #define SDL_SwapLE64(X) (X) +#define SDL_SwapFloatLE(X) (X) #define SDL_SwapBE16(X) SDL_Swap16(X) #define SDL_SwapBE32(X) SDL_Swap32(X) #define SDL_SwapBE64(X) SDL_Swap64(X) +#define SDL_SwapFloatBE(X) SDL_SwapFloat(X) #else #define SDL_SwapLE16(X) SDL_Swap16(X) #define SDL_SwapLE32(X) SDL_Swap32(X) #define SDL_SwapLE64(X) SDL_Swap64(X) +#define SDL_SwapFloatLE(X) SDL_SwapFloat(X) #define SDL_SwapBE16(X) (X) #define SDL_SwapBE32(X) (X) #define SDL_SwapBE64(X) (X) +#define SDL_SwapFloatBE(X) (X) #endif /* Ends C function definitions when using C++ */