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/*****************************************************************************
* *
* PrimeSense PSCommon Library *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of PSCommon. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
// NOTE: you must define XN_OS_IMPL before including XnOS.h, otherwise, when mem profiling this file will not compile.
#define XN_OS_IMPL
#undef XN_CROSS_PLATFORM
#include <XnOS.h>
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XN_CORE_API void* XnOSMalloc(const XN_SIZE_T nAllocSize)
{
return malloc(nAllocSize);
}
XN_CORE_API void* XnOSMallocAligned(const XN_SIZE_T nAllocSize, const XN_SIZE_T nAlignment)
{
return memalign(nAlignment, nAllocSize);
}
XN_CORE_API void* XnOSCalloc(const XN_SIZE_T nAllocNum, const XN_SIZE_T nAllocSize)
{
return calloc(nAllocNum, nAllocSize);
}
XN_CORE_API void* XnOSCallocAligned(const XN_SIZE_T nAllocNum, const XN_SIZE_T nAllocSize, const XN_SIZE_T nAlignment)
{
void* pMemBlock = NULL;
XN_UINT32 nBlockSize = nAllocNum*nAllocSize;
// Allocate
pMemBlock = XnOSMallocAligned(nBlockSize, nAlignment);
if (pMemBlock != NULL)
{
memset(pMemBlock, 0, nBlockSize);
}
return pMemBlock;
}
XN_CORE_API void* XnOSRealloc(void* pMemory, const XN_SIZE_T nAllocSize)
{
return realloc(pMemory, nAllocSize);
}
XN_CORE_API void* XnOSReallocAligned(void* pMemory, const XN_SIZE_T nAllocSize, const XN_SIZE_T nAlignment)
{
return reallocalign(pMemory, nAllocSize, nAlignment);
}
XN_CORE_API void* XnOSRecalloc(void* pMemory, const XN_SIZE_T nAllocNum, const XN_SIZE_T nAllocSize)
{
XnOSRealloc(pMemory, nAllocNum*nAllocSize);
if (pMemory != NULL)
{
memset(pMemory, 0, nAllocNum*nAllocSize);
}
return pMemory;
}
XN_CORE_API void XnOSFree(const void* pMemBlock)
{
free((void*)pMemBlock);
}
XN_CORE_API void XnOSFreeAligned(const void* pMemBlock)
{
free((void*)pMemBlock);
}
XN_CORE_API void XnOSMemCopy(void* pDest, const void* pSource, XN_UINT32 nCount)
{
memcpy(pDest, pSource, nCount);
}
XN_CORE_API void XnOSMemSet(void* pDest, XN_UINT8 nValue, XN_UINT32 nCount)
{
memset(pDest, nValue, nCount);
}
XN_CORE_API XN_UINT64 XnOSEndianSwapUINT64(XN_UINT64 nValue)
{
return ((nValue >> 56) ) | ((nValue >> 40) & 0x000000000000ff00ULL) |
((nValue >> 24) & 0x0000000000ff0000ULL) | ((nValue >> 8 ) & 0x00000000ff000000ULL) |
((nValue << 8 ) & 0x000000ff00000000ULL) | ((nValue << 24) & 0x0000ff0000000000ULL) |
((nValue << 40) & 0x00ff000000000000ULL) | ((nValue << 56) );
}
XN_CORE_API XN_UINT32 XnOSEndianSwapUINT32(XN_UINT32 nValue)
{
return (nValue>>24) |
((nValue<<8) & 0x00FF0000) |
((nValue>>8) & 0x0000FF00) |
(nValue<<24);
}
XN_CORE_API XN_UINT16 XnOSEndianSwapUINT16(XN_UINT16 nValue)
{
return ((nValue>>8) | (nValue<<8));
}
XN_CORE_API XN_FLOAT XnOSEndianSwapFLOAT(XN_FLOAT fValue)
{
XN_UINT32* pnValue = (XN_UINT32*)&fValue;
XN_UINT32 nValue = XnOSEndianSwapUINT32(*pnValue);
XN_FLOAT* pfValue = (XN_FLOAT*)&nValue;
return *pfValue;
}
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