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Diffstat (limited to 'src/mesh/assimp-master/include/assimp/ByteSwapper.h')
-rw-r--r-- | src/mesh/assimp-master/include/assimp/ByteSwapper.h | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/src/mesh/assimp-master/include/assimp/ByteSwapper.h b/src/mesh/assimp-master/include/assimp/ByteSwapper.h deleted file mode 100644 index 488f7a5..0000000 --- a/src/mesh/assimp-master/include/assimp/ByteSwapper.h +++ /dev/null @@ -1,292 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above - copyright notice, this list of conditions and the - following disclaimer. - -* Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the - following disclaimer in the documentation and/or other - materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its - contributors may be used to endorse or promote products - derived from this software without specific prior - written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -/** @file Helper class tp perform various byte order swappings - (e.g. little to big endian) */ -#pragma once -#ifndef AI_BYTESWAPPER_H_INC -#define AI_BYTESWAPPER_H_INC - -#ifdef __GNUC__ -# pragma GCC system_header -#endif - -#include <assimp/ai_assert.h> -#include <assimp/types.h> -#include <cstdint> - -#if _MSC_VER >= 1400 -#include <cstdlib> -#endif - -namespace Assimp { -// -------------------------------------------------------------------------------------- -/** Defines some useful byte order swap routines. - * - * This is required to read big-endian model formats on little-endian machines, - * and vice versa. Direct use of this class is DEPRECATED. Use #StreamReader instead. */ -// -------------------------------------------------------------------------------------- -class ByteSwap { - ByteSwap() AI_NO_EXCEPT {} - -public: - - // ---------------------------------------------------------------------- - /** Swap two bytes of data - * @param[inout] _szOut A void* to save the reintcasts for the caller. */ - static inline void Swap2(void* _szOut) - { - ai_assert(_szOut); - -#if _MSC_VER >= 1400 - uint16_t* const szOut = reinterpret_cast<uint16_t*>(_szOut); - *szOut = _byteswap_ushort(*szOut); -#else - uint8_t* const szOut = reinterpret_cast<uint8_t*>(_szOut); - std::swap(szOut[0],szOut[1]); -#endif - } - - // ---------------------------------------------------------------------- - /** Swap four bytes of data - * @param[inout] _szOut A void* to save the reintcasts for the caller. */ - static inline void Swap4(void* _szOut) - { - ai_assert(_szOut); - -#if _MSC_VER >= 1400 - uint32_t* const szOut = reinterpret_cast<uint32_t*>(_szOut); - *szOut = _byteswap_ulong(*szOut); -#else - uint8_t* const szOut = reinterpret_cast<uint8_t*>(_szOut); - std::swap(szOut[0],szOut[3]); - std::swap(szOut[1],szOut[2]); -#endif - } - - // ---------------------------------------------------------------------- - /** Swap eight bytes of data - * @param[inout] _szOut A void* to save the reintcasts for the caller. */ - static inline void Swap8(void* _szOut) - { - ai_assert(_szOut); - -#if _MSC_VER >= 1400 - uint64_t* const szOut = reinterpret_cast<uint64_t*>(_szOut); - *szOut = _byteswap_uint64(*szOut); -#else - uint8_t* const szOut = reinterpret_cast<uint8_t*>(_szOut); - std::swap(szOut[0],szOut[7]); - std::swap(szOut[1],szOut[6]); - std::swap(szOut[2],szOut[5]); - std::swap(szOut[3],szOut[4]); -#endif - } - - // ---------------------------------------------------------------------- - /** ByteSwap a float. Not a joke. - * @param[inout] fOut ehm. .. */ - static inline void Swap(float* fOut) { - Swap4(fOut); - } - - // ---------------------------------------------------------------------- - /** ByteSwap a double. Not a joke. - * @param[inout] fOut ehm. .. */ - static inline void Swap(double* fOut) { - Swap8(fOut); - } - - - // ---------------------------------------------------------------------- - /** ByteSwap an int16t. Not a joke. - * @param[inout] fOut ehm. .. */ - static inline void Swap(int16_t* fOut) { - Swap2(fOut); - } - - static inline void Swap(uint16_t* fOut) { - Swap2(fOut); - } - - // ---------------------------------------------------------------------- - /** ByteSwap an int32t. Not a joke. - * @param[inout] fOut ehm. .. */ - static inline void Swap(int32_t* fOut){ - Swap4(fOut); - } - - static inline void Swap(uint32_t* fOut){ - Swap4(fOut); - } - - // ---------------------------------------------------------------------- - /** ByteSwap an int64t. Not a joke. - * @param[inout] fOut ehm. .. */ - static inline void Swap(int64_t* fOut) { - Swap8(fOut); - } - - static inline void Swap(uint64_t* fOut) { - Swap8(fOut); - } - - // ---------------------------------------------------------------------- - //! Templatized ByteSwap - //! \returns param tOut as swapped - template<typename Type> - static inline Type Swapped(Type tOut) - { - return _swapper<Type,sizeof(Type)>()(tOut); - } - -private: - - template <typename T, size_t size> struct _swapper; -}; - -template <typename T> struct ByteSwap::_swapper<T,2> { - T operator() (T tOut) { - Swap2(&tOut); - return tOut; - } -}; - -template <typename T> struct ByteSwap::_swapper<T,4> { - T operator() (T tOut) { - Swap4(&tOut); - return tOut; - } -}; - -template <typename T> struct ByteSwap::_swapper<T,8> { - T operator() (T tOut) { - Swap8(&tOut); - return tOut; - } -}; - - -// -------------------------------------------------------------------------------------- -// ByteSwap macros for BigEndian/LittleEndian support -// -------------------------------------------------------------------------------------- -#if (defined AI_BUILD_BIG_ENDIAN) -# define AI_LE(t) (t) -# define AI_BE(t) Assimp::ByteSwap::Swapped(t) -# define AI_LSWAP2(p) -# define AI_LSWAP4(p) -# define AI_LSWAP8(p) -# define AI_LSWAP2P(p) -# define AI_LSWAP4P(p) -# define AI_LSWAP8P(p) -# define LE_NCONST const -# define AI_SWAP2(p) Assimp::ByteSwap::Swap2(&(p)) -# define AI_SWAP4(p) Assimp::ByteSwap::Swap4(&(p)) -# define AI_SWAP8(p) Assimp::ByteSwap::Swap8(&(p)) -# define AI_SWAP2P(p) Assimp::ByteSwap::Swap2((p)) -# define AI_SWAP4P(p) Assimp::ByteSwap::Swap4((p)) -# define AI_SWAP8P(p) Assimp::ByteSwap::Swap8((p)) -# define BE_NCONST -#else -# define AI_BE(t) (t) -# define AI_LE(t) Assimp::ByteSwap::Swapped(t) -# define AI_SWAP2(p) -# define AI_SWAP4(p) -# define AI_SWAP8(p) -# define AI_SWAP2P(p) -# define AI_SWAP4P(p) -# define AI_SWAP8P(p) -# define BE_NCONST const -# define AI_LSWAP2(p) Assimp::ByteSwap::Swap2(&(p)) -# define AI_LSWAP4(p) Assimp::ByteSwap::Swap4(&(p)) -# define AI_LSWAP8(p) Assimp::ByteSwap::Swap8(&(p)) -# define AI_LSWAP2P(p) Assimp::ByteSwap::Swap2((p)) -# define AI_LSWAP4P(p) Assimp::ByteSwap::Swap4((p)) -# define AI_LSWAP8P(p) Assimp::ByteSwap::Swap8((p)) -# define LE_NCONST -#endif - - -namespace Intern { - -// -------------------------------------------------------------------------------------------- -template <typename T, bool doit> -struct ByteSwapper { - void operator() (T* inout) { - ByteSwap::Swap(inout); - } -}; - -template <typename T> -struct ByteSwapper<T,false> { - void operator() (T*) { - } -}; - -// -------------------------------------------------------------------------------------------- -template <bool SwapEndianess, typename T, bool RuntimeSwitch> -struct Getter { - void operator() (T* inout, bool le) { -#ifdef AI_BUILD_BIG_ENDIAN - le = le; -#else - le = !le; -#endif - if (le) { - ByteSwapper<T,(sizeof(T)>1?true:false)> () (inout); - } - else ByteSwapper<T,false> () (inout); - } -}; - -template <bool SwapEndianess, typename T> -struct Getter<SwapEndianess,T,false> { - - void operator() (T* inout, bool /*le*/) { - // static branch - ByteSwapper<T,(SwapEndianess && sizeof(T)>1)> () (inout); - } -}; -} // end Intern -} // end Assimp - -#endif //!! AI_BYTESWAPPER_H_INC |