mirror of
https://github.com/NVIDIA/cuda-samples.git
synced 2024-11-28 14:59:19 +08:00
81 lines
2.9 KiB
C
81 lines
2.9 KiB
C
|
/* Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use 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 NVIDIA CORPORATION nor the names of its
|
||
|
|
* contributors may be used to endorse or promote products derived
|
||
|
|
* from this software without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef NV_UTIL_NPP_IMAGE_ALLOCATORS_CPU_H
|
||
|
|
#define NV_UTIL_NPP_IMAGE_ALLOCATORS_CPU_H
|
||
|
|
|
||
|
|
#include "Exceptions.h"
|
||
|
|
|
||
|
|
namespace npp
|
||
|
|
{
|
||
|
|
|
||
|
|
template <typename D, size_t N>
|
||
|
|
class ImageAllocatorCPU
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
static
|
||
|
|
D *
|
||
|
|
Malloc2D(unsigned int nWidth, unsigned int nHeight, unsigned int *pPitch)
|
||
|
|
{
|
||
|
|
NPP_ASSERT(nWidth * nHeight > 0);
|
||
|
|
|
||
|
|
D *pResult = new D[nWidth * N * nHeight];
|
||
|
|
*pPitch = nWidth * sizeof(D) * N;
|
||
|
|
|
||
|
|
return pResult;
|
||
|
|
};
|
||
|
|
|
||
|
|
static
|
||
|
|
void
|
||
|
|
Free2D(D *pPixels)
|
||
|
|
{
|
||
|
|
delete[] pPixels;
|
||
|
|
};
|
||
|
|
|
||
|
|
static
|
||
|
|
void
|
||
|
|
Copy2D(D *pDst, size_t nDstPitch, const D *pSrc, size_t nSrcPitch, size_t nWidth, size_t nHeight)
|
||
|
|
{
|
||
|
|
const void *pSrcLine = pSrc;
|
||
|
|
void *pDstLine = pDst;
|
||
|
|
|
||
|
|
for (size_t iLine = 0; iLine < nHeight; ++iLine)
|
||
|
|
{
|
||
|
|
// copy one line worth of data
|
||
|
|
memcpy(pDst, pSrc, nWidth * N * sizeof(D));
|
||
|
|
// move data pointers to next line
|
||
|
|
pDst += nDstPitch;
|
||
|
|
pSrc += nSrcPitch;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
} // npp namespace
|
||
|
|
|
||
|
|
#endif // NV_UTIL_NPP_IMAGE_ALLOCATORS_CPU_H
|