cuda-samples/Samples/convolutionSeparable/convolutionSeparable_common.h

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/* Copyright (c) 2021, 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
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#ifndef CONVOLUTIONSEPARABLE_COMMON_H
#define CONVOLUTIONSEPARABLE_COMMON_H
#define KERNEL_RADIUS 8
#define KERNEL_LENGTH (2 * KERNEL_RADIUS + 1)
////////////////////////////////////////////////////////////////////////////////
// Reference CPU convolution
////////////////////////////////////////////////////////////////////////////////
extern "C" void convolutionRowCPU(float *h_Dst, float *h_Src, float *h_Kernel,
int imageW, int imageH, int kernelR);
extern "C" void convolutionColumnCPU(float *h_Dst, float *h_Src,
float *h_Kernel, int imageW, int imageH,
int kernelR);
////////////////////////////////////////////////////////////////////////////////
// GPU convolution
////////////////////////////////////////////////////////////////////////////////
extern "C" void setConvolutionKernel(float *h_Kernel);
extern "C" void convolutionRowsGPU(float *d_Dst, float *d_Src, int imageW,
int imageH);
extern "C" void convolutionColumnsGPU(float *d_Dst, float *d_Src, int imageW,
int imageH);
#endif