mirror of https://github.com/gnss-sdr/gnss-sdr
99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
/*!
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* \file clFFT.h
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* \brief FFT in OpenCL
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*
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*
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* Version: <1.0>
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*
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* Copyright ( C ) 2008 Apple Inc. All Rights Reserved.
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* SPDX-License-Identifier: LicenseRef-Apple-Permissive
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*
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*/
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#ifndef __CLFFT_H
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#define __CLFFT_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <stdio.h>
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#ifdef __APPLE__
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#define CL_SILENCE_DEPRECATION
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#include <OpenCL/opencl.h>
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#else
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#include <CL/cl.h>
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#endif
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// XForm type
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typedef enum
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{
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clFFT_Forward = -1,
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clFFT_Inverse = 1
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} clFFT_Direction;
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// XForm dimension
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typedef enum
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{
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clFFT_1D = 0,
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clFFT_2D = 1,
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clFFT_3D = 3
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} clFFT_Dimension;
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// XForm Data type
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typedef enum
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{
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clFFT_SplitComplexFormat = 0,
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clFFT_InterleavedComplexFormat = 1
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} clFFT_DataFormat;
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typedef struct
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{
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unsigned int x;
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unsigned int y;
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unsigned int z;
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} clFFT_Dim3;
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typedef struct
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{
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float *real;
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float *imag;
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} clFFT_SplitComplex;
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typedef struct
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{
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float real;
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float imag;
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} clFFT_Complex;
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typedef void *clFFT_Plan;
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clFFT_Plan clFFT_CreatePlan(cl_context context, clFFT_Dim3 n, clFFT_Dimension dim, clFFT_DataFormat dataFormat, cl_int *error_code);
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void clFFT_DestroyPlan(clFFT_Plan plan);
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cl_int clFFT_ExecuteInterleaved(cl_command_queue queue, clFFT_Plan plan, cl_int batchSize, clFFT_Direction dir,
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cl_mem data_in, cl_mem data_out,
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cl_int num_events, cl_event *event_list, cl_event *event);
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cl_int clFFT_ExecutePlannar(cl_command_queue queue, clFFT_Plan plan, cl_int batchSize, clFFT_Direction dir,
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cl_mem data_in_real, cl_mem data_in_imag, cl_mem data_out_real, cl_mem data_out_imag,
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cl_int num_events, cl_event *event_list, cl_event *event);
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cl_int clFFT_1DTwistInterleaved(clFFT_Plan Plan, cl_command_queue queue, cl_mem array,
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size_t numRows, size_t numCols, size_t startRow, size_t rowsToProcess, clFFT_Direction dir);
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cl_int clFFT_1DTwistPlannar(clFFT_Plan Plan, cl_command_queue queue, cl_mem array_real, cl_mem array_imag,
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size_t numRows, size_t numCols, size_t startRow, size_t rowsToProcess, clFFT_Direction dir);
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void clFFT_DumpPlan(clFFT_Plan plan, FILE *file);
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#ifdef __cplusplus
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}
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#endif
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#endif
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