133 lines
3.9 KiB
C++
133 lines
3.9 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.
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#ifndef PXPVDSDK_PXPVDBITS_H
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#define PXPVDSDK_PXPVDBITS_H
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#include "PxPvdObjectModelBaseTypes.h"
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namespace physx
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{
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namespace pvdsdk
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{
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// Marshallers cannot assume src is aligned, but they can assume dest is aligned.
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typedef void (*TSingleMarshaller)(const uint8_t* src, uint8_t* dest);
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typedef void (*TBlockMarshaller)(const uint8_t* src, uint8_t* dest, uint32_t numItems);
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template <uint8_t ByteCount>
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static inline void doSwapBytes(uint8_t* __restrict inData)
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{
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for(uint32_t idx = 0; idx < ByteCount / 2; ++idx)
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{
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uint32_t endIdx = ByteCount - idx - 1;
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uint8_t theTemp = inData[idx];
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inData[idx] = inData[endIdx];
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inData[endIdx] = theTemp;
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}
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}
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template <uint8_t ByteCount>
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static inline void doSwapBytes(uint8_t* __restrict inData, uint32_t itemCount)
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{
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uint8_t* end = inData + itemCount * ByteCount;
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for(; inData < end; inData += ByteCount)
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doSwapBytes<ByteCount>(inData);
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}
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static inline void swapBytes(uint8_t* __restrict dataPtr, uint32_t numBytes, uint32_t itemWidth)
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{
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uint32_t numItems = numBytes / itemWidth;
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switch(itemWidth)
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{
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case 1:
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break;
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case 2:
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doSwapBytes<2>(dataPtr, numItems);
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break;
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case 4:
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doSwapBytes<4>(dataPtr, numItems);
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break;
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case 8:
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doSwapBytes<8>(dataPtr, numItems);
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break;
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case 16:
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doSwapBytes<16>(dataPtr, numItems);
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break;
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default:
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PX_ASSERT(false);
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break;
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}
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}
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static inline void swapBytes(uint8_t&)
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{
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}
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static inline void swapBytes(int8_t&)
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{
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}
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static inline void swapBytes(uint16_t& inData)
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{
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doSwapBytes<2>(reinterpret_cast<uint8_t*>(&inData));
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}
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static inline void swapBytes(int16_t& inData)
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{
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doSwapBytes<2>(reinterpret_cast<uint8_t*>(&inData));
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}
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static inline void swapBytes(uint32_t& inData)
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{
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doSwapBytes<4>(reinterpret_cast<uint8_t*>(&inData));
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}
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static inline void swapBytes(int32_t& inData)
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{
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doSwapBytes<4>(reinterpret_cast<uint8_t*>(&inData));
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}
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static inline void swapBytes(float& inData)
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{
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doSwapBytes<4>(reinterpret_cast<uint8_t*>(&inData));
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}
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static inline void swapBytes(uint64_t& inData)
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{
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doSwapBytes<8>(reinterpret_cast<uint8_t*>(&inData));
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}
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static inline void swapBytes(int64_t& inData)
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{
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doSwapBytes<8>(reinterpret_cast<uint8_t*>(&inData));
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}
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static inline void swapBytes(double& inData)
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{
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doSwapBytes<8>(reinterpret_cast<uint8_t*>(&inData));
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}
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static inline bool checkLength(const uint8_t* inStart, const uint8_t* inStop, uint32_t inLength)
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{
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return static_cast<uint32_t>(inStop - inStart) >= inLength;
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}
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}
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}
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#endif // PXPVDSDK_PXPVDBITS_H
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