# HG changeset patch # User Ryan C. Gordon # Date 1156423799 0 # Node ID b910bcabec268462c2385ae09857ade01a20e067 # Parent ee73925ddf14b8102432524ed7834128cdee5708 Added SDL_SwapFloat* function/macros. Reference Bugzilla #293. diff -r ee73925ddf14 -r b910bcabec26 include/SDL_endian.h --- a/include/SDL_endian.h Thu Aug 24 12:48:16 2006 +0000 +++ b/include/SDL_endian.h Thu Aug 24 12:49:59 2006 +0000 @@ -192,21 +192,35 @@ #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++ */