cuda-samples/Samples/convolutionFFT2D/convolutionFFT2D_common.h
2021-10-21 16:34:49 +05:30

78 lines
3.5 KiB
C

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