X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fxonotic.git;a=blobdiff_plain;f=misc%2Fbuildfiles%2Fosx%2FXonotic.app%2FContents%2FFrameworks%2FSDL2.framework%2FVersions%2FA%2FHeaders%2FSDL_endian.h;fp=misc%2Fbuildfiles%2Fosx%2FXonotic.app%2FContents%2FFrameworks%2FSDL2.framework%2FVersions%2FA%2FHeaders%2FSDL_endian.h;h=161c418de9bb7d3d7b343c95830b93b4f327503c;hp=0000000000000000000000000000000000000000;hb=8764700ddad76c495a6eacfc80438d277fbf4273;hpb=bade3e94e5620d42d328962b80d5c7d72ddfccfe diff --git a/misc/buildfiles/osx/Xonotic.app/Contents/Frameworks/SDL2.framework/Versions/A/Headers/SDL_endian.h b/misc/buildfiles/osx/Xonotic.app/Contents/Frameworks/SDL2.framework/Versions/A/Headers/SDL_endian.h new file mode 100644 index 00000000..161c418d --- /dev/null +++ b/misc/buildfiles/osx/Xonotic.app/Contents/Frameworks/SDL2.framework/Versions/A/Headers/SDL_endian.h @@ -0,0 +1,239 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2014 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ + +/** + * \file SDL_endian.h + * + * Functions for reading and writing endian-specific values + */ + +#ifndef _SDL_endian_h +#define _SDL_endian_h + +#include "SDL_stdinc.h" + +/** + * \name The two types of endianness + */ +/* @{ */ +#define SDL_LIL_ENDIAN 1234 +#define SDL_BIG_ENDIAN 4321 +/* @} */ + +#ifndef SDL_BYTEORDER /* Not defined in SDL_config.h? */ +#ifdef __linux__ +#include +#define SDL_BYTEORDER __BYTE_ORDER +#else /* __linux __ */ +#if defined(__hppa__) || \ + defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \ + (defined(__MIPS__) && defined(__MISPEB__)) || \ + defined(__ppc__) || defined(__POWERPC__) || defined(_M_PPC) || \ + defined(__sparc__) +#define SDL_BYTEORDER SDL_BIG_ENDIAN +#else +#define SDL_BYTEORDER SDL_LIL_ENDIAN +#endif +#endif /* __linux __ */ +#endif /* !SDL_BYTEORDER */ + + +#include "begin_code.h" +/* Set up for C function definitions, even when using C++ */ +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \file SDL_endian.h + */ +#if defined(__GNUC__) && defined(__i386__) && \ + !(__GNUC__ == 2 && __GNUC_MINOR__ == 95 /* broken gcc version */) +SDL_FORCE_INLINE Uint16 +SDL_Swap16(Uint16 x) +{ + __asm__("xchgb %b0,%h0": "=q"(x):"0"(x)); + return x; +} +#elif defined(__GNUC__) && defined(__x86_64__) +SDL_FORCE_INLINE Uint16 +SDL_Swap16(Uint16 x) +{ + __asm__("xchgb %b0,%h0": "=Q"(x):"0"(x)); + return x; +} +#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__)) +SDL_FORCE_INLINE Uint16 +SDL_Swap16(Uint16 x) +{ + int result; + + __asm__("rlwimi %0,%2,8,16,23": "=&r"(result):"0"(x >> 8), "r"(x)); + return (Uint16)result; +} +#elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__)) && !defined(__mcoldfire__) +SDL_FORCE_INLINE Uint16 +SDL_Swap16(Uint16 x) +{ + __asm__("rorw #8,%0": "=d"(x): "0"(x):"cc"); + return x; +} +#else +SDL_FORCE_INLINE Uint16 +SDL_Swap16(Uint16 x) +{ + return SDL_static_cast(Uint16, ((x << 8) | (x >> 8))); +} +#endif + +#if defined(__GNUC__) && defined(__i386__) +SDL_FORCE_INLINE Uint32 +SDL_Swap32(Uint32 x) +{ + __asm__("bswap %0": "=r"(x):"0"(x)); + return x; +} +#elif defined(__GNUC__) && defined(__x86_64__) +SDL_FORCE_INLINE Uint32 +SDL_Swap32(Uint32 x) +{ + __asm__("bswapl %0": "=r"(x):"0"(x)); + return x; +} +#elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__)) +SDL_FORCE_INLINE Uint32 +SDL_Swap32(Uint32 x) +{ + Uint32 result; + + __asm__("rlwimi %0,%2,24,16,23": "=&r"(result):"0"(x >> 24), "r"(x)); + __asm__("rlwimi %0,%2,8,8,15": "=&r"(result):"0"(result), "r"(x)); + __asm__("rlwimi %0,%2,24,0,7": "=&r"(result):"0"(result), "r"(x)); + return result; +} +#elif defined(__GNUC__) && (defined(__M68000__) || defined(__M68020__)) && !defined(__mcoldfire__) +SDL_FORCE_INLINE Uint32 +SDL_Swap32(Uint32 x) +{ + __asm__("rorw #8,%0\n\tswap %0\n\trorw #8,%0": "=d"(x): "0"(x):"cc"); + return x; +} +#else +SDL_FORCE_INLINE Uint32 +SDL_Swap32(Uint32 x) +{ + return SDL_static_cast(Uint32, ((x << 24) | ((x << 8) & 0x00FF0000) | + ((x >> 8) & 0x0000FF00) | (x >> 24))); +} +#endif + +#if defined(__GNUC__) && defined(__i386__) +SDL_FORCE_INLINE Uint64 +SDL_Swap64(Uint64 x) +{ + union + { + struct + { + Uint32 a, b; + } s; + Uint64 u; + } v; + v.u = x; + __asm__("bswapl %0 ; bswapl %1 ; xchgl %0,%1": "=r"(v.s.a), "=r"(v.s.b):"0"(v.s.a), + "1"(v.s. + b)); + return v.u; +} +#elif defined(__GNUC__) && defined(__x86_64__) +SDL_FORCE_INLINE Uint64 +SDL_Swap64(Uint64 x) +{ + __asm__("bswapq %0": "=r"(x):"0"(x)); + return x; +} +#else +SDL_FORCE_INLINE Uint64 +SDL_Swap64(Uint64 x) +{ + Uint32 hi, lo; + + /* Separate into high and low 32-bit values and swap them */ + lo = SDL_static_cast(Uint32, x & 0xFFFFFFFF); + x >>= 32; + hi = SDL_static_cast(Uint32, x & 0xFFFFFFFF); + x = SDL_Swap32(lo); + x <<= 32; + x |= SDL_Swap32(hi); + return (x); +} +#endif + + +SDL_FORCE_INLINE float +SDL_SwapFloat(float x) +{ + union + { + float f; + Uint32 ui32; + } swapper; + swapper.f = x; + swapper.ui32 = SDL_Swap32(swapper.ui32); + return swapper.f; +} + + +/** + * \name Swap to native + * 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 +/* @} *//* Swap to native */ + +/* Ends C function definitions when using C++ */ +#ifdef __cplusplus +} +#endif +#include "close_code.h" + +#endif /* _SDL_endian_h */ + +/* vi: set ts=4 sw=4 expandtab: */