cuda_gpu_reconstruct_fourier.h

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/***************************************************************************
 *
 * Authors:     David Strelak (davidstrelak@gmail.com)
 *
 * Unidad de  Bioinformatica of Centro Nacional de Biotecnologia , CSIC
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 * 02111-1307  USA
 *
 *  All comments concerning this program package may be sent to the
 *  e-mail address 'xmipp@cnb.csic.es'
 ***************************************************************************/

#ifndef XMIPP_LIBRARIES_RECONSTRUCTION_CUDA_CUDA_GPU_RECONSTRUCT_FOURIER_H_
#define XMIPP_LIBRARIES_RECONSTRUCTION_CUDA_CUDA_GPU_RECONSTRUCT_FOURIER_H_

#include <reconstruction/reconstruct_fourier_projection_traverse_space.h>
#include <reconstruction/reconstruct_fourier_buffer_data.h>
#include <reconstruction/reconstruct_fourier_defines.h>
#include <core/xmipp_error.h>

#include <reconstruction_cuda/cuda_xmipp_utils.h>


struct RecFourierBufferDataGPU;

struct FRecBufferDataGPUWrapper {
    FRecBufferDataGPUWrapper(RecFourierBufferData* orig);
    ~FRecBufferDataGPUWrapper();

    void copyFrom(RecFourierBufferData* orig, int stream);

    void copyToDevice(int stream);

    // object in CPU memory space (page-locked)
    RecFourierBufferDataGPU* cpuCopy;

    // object in GPU memory space
    RecFourierBufferDataGPU* gpuCopy;
};

void allocateWrapper(RecFourierBufferData* buffer, int streamIndex);

void releaseWrapper(int streamIndex);

void createStreams(int count);

void deleteStreams(int count);

float* allocateTempVolumeGPU(float*& ptr, int size, int typeSize);

void releaseTempVolumeGPU(float*& ptr);

void copyTempVolumes(std::complex<float>*** tempVol, float*** tempWeights,
        float* tempVolGPU, float* tempWeightsGPU,
        int size);

void waitForGPU();

void copyBlobTable(float* blobTableSqrt, int size);

void releaseBlobTable();

void pinMemory(RecFourierBufferData* buffer);

void unpinMemory(RecFourierBufferData* buffer);

void copyConstants(
        int maxVolIndexX, int maxVolIndexYZ,
        float blobRadius, float blobAlpha,
        float iDeltaSqrt, float iw0, float oneOverBessiOrderAlpha);

void processBufferGPU(float* tempVolumeGPU, float* tempWeightsGPU,
        RecFourierBufferData* buffer,
        float blobRadius, int maxVolIndexYZ, bool useFast,
        float maxResolutionSqr, int stream, int blobOrder, float blobAlpha);

#endif /* XMIPP_LIBRARIES_RECONSTRUCTION_CUDA_CUDA_GPU_RECONSTRUCT_FOURIER_H_ */