/*
-----------------------------------------------------------------------
Copyright: 2010-2014, iMinds-Vision Lab, University of Antwerp
                2014, CWI, Amsterdam

Contact: astra@uantwerpen.be
Website: http://sf.net/projects/astra-toolbox

This file is part of the ASTRA Toolbox.


The ASTRA Toolbox 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 3 of the License, or
(at your option) any later version.

The ASTRA Toolbox 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 the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.

-----------------------------------------------------------------------
$Id$
*/

#ifndef _CUDA_UTIL3D_H
#define _CUDA_UTIL3D_H

#include <cuda.h>
#include "dims3d.h"

#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#include "../2d/util.h"

namespace astraCUDA3d {

cudaPitchedPtr allocateVolumeData(const SDimensions3D& dims);
cudaPitchedPtr allocateProjectionData(const SDimensions3D& dims);
bool zeroVolumeData(cudaPitchedPtr& D_data, const SDimensions3D& dims);
bool zeroProjectionData(cudaPitchedPtr& D_data, const SDimensions3D& dims);
bool copyVolumeToDevice(const float* data, cudaPitchedPtr& D_data, const SDimensions3D& dims, unsigned int pitch = 0);
bool copyProjectionsToDevice(const float* data, cudaPitchedPtr& D_data, const SDimensions3D& dims, unsigned int pitch = 0);
bool copyVolumeFromDevice(float* data, const cudaPitchedPtr& D_data, const SDimensions3D& dims, unsigned int pitch = 0);
bool copyProjectionsFromDevice(float* data, const cudaPitchedPtr& D_data, const SDimensions3D& dims, unsigned int pitch = 0);
bool duplicateVolumeData(cudaPitchedPtr& D_dest, const cudaPitchedPtr& D_src, const SDimensions3D& dims); 
bool duplicateProjectionData(cudaPitchedPtr& D_dest, const cudaPitchedPtr& D_src, const SDimensions3D& dims); 


bool transferProjectionsToArray(cudaPitchedPtr D_projData, cudaArray* array, const SDimensions3D& dims);
bool transferVolumeToArray(cudaPitchedPtr D_volumeData, cudaArray* array, const SDimensions3D& dims);
bool zeroProjectionArray(cudaArray* array, const SDimensions3D& dims);
bool zeroVolumeArray(cudaArray* array, const SDimensions3D& dims);
cudaArray* allocateProjectionArray(const SDimensions3D& dims);
cudaArray* allocateVolumeArray(const SDimensions3D& dims);

bool cudaTextForceKernelsCompletion();

float dotProduct3D(cudaPitchedPtr data, unsigned int x, unsigned int y, unsigned int z);

int calcNextPowerOfTwo(int _iValue);

}

#endif