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78 lines
3.5 KiB
C
78 lines
3.5 KiB
C
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/* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
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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 CONVOLUTIONFFT2D_COMMON_H
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#define CONVOLUTIONFFT2D_COMMON_H
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typedef unsigned int uint;
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#ifdef __CUDACC__
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typedef float2 fComplex;
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#else
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typedef struct {
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float x;
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float y;
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} fComplex;
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#endif
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////////////////////////////////////////////////////////////////////////////////
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// Helper functions
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////////////////////////////////////////////////////////////////////////////////
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// Round a / b to nearest higher integer value
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inline int iDivUp(int a, int b) { return (a % b != 0) ? (a / b + 1) : (a / b); }
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// Align a to nearest higher multiple of b
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inline int iAlignUp(int a, int b) { return (a % b != 0) ? (a - a % b + b) : a; }
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extern "C" void convolutionClampToBorderCPU(float *h_Result, float *h_Data,
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float *h_Kernel, int dataH,
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int dataW, int kernelH, int kernelW,
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int kernelY, int kernelX);
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extern "C" void padKernel(float *d_PaddedKernel, float *d_Kernel, int fftH,
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int fftW, int kernelH, int kernelW, int kernelY,
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int kernelX);
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extern "C" void padDataClampToBorder(float *d_PaddedData, float *d_Data,
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int fftH, int fftW, int dataH, int dataW,
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int kernelH, int kernelW, int kernelY,
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int kernelX);
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extern "C" void modulateAndNormalize(fComplex *d_Dst, fComplex *d_Src, int fftH,
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int fftW, int padding);
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extern "C" void spPostprocess2D(void *d_Dst, void *d_Src, uint DY, uint DX,
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uint padding, int dir);
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extern "C" void spPreprocess2D(void *d_Dst, void *d_Src, uint DY, uint DX,
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uint padding, int dir);
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extern "C" void spProcess2D(void *d_Data, void *d_Data0, void *d_Kernel0,
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uint DY, uint DX, int dir);
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#endif // CONVOLUTIONFFT2D_COMMON_H
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