2022-01-13 14:05:24 +08:00
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/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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2021-10-21 19:04:49 +08:00
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*
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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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#ifndef CONVOLUTIONTEXTURE_COMMON_H
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#define CONVOLUTIONTEXTURE_COMMON_H
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#include <cuda_runtime.h>
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////////////////////////////////////////////////////////////////////////////////
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// Convolution kernel size (the only parameter inlined in the code)
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////////////////////////////////////////////////////////////////////////////////
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#define KERNEL_RADIUS 8
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#define KERNEL_LENGTH (2 * KERNEL_RADIUS + 1)
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////////////////////////////////////////////////////////////////////////////////
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// Reference CPU convolution
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////////////////////////////////////////////////////////////////////////////////
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extern "C" void convolutionRowsCPU(float *h_Dst, float *h_Src, float *h_Kernel,
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int imageW, int imageH, int kernelR);
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extern "C" void convolutionColumnsCPU(float *h_Dst, float *h_Src,
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float *h_Kernel, int imageW, int imageH,
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int kernelR);
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////////////////////////////////////////////////////////////////////////////////
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// GPU texture-based convolution
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////////////////////////////////////////////////////////////////////////////////
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extern "C" void setConvolutionKernel(float *h_Kernel);
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extern "C" void convolutionRowsGPU(float *d_Dst, cudaArray *a_Src, int imageW,
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int imageH, cudaTextureObject_t texSrc);
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extern "C" void convolutionColumnsGPU(float *d_Dst, cudaArray *a_Src,
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int imageW, int imageH,
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cudaTextureObject_t texSrc);
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#endif
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