/*
-----------------------------------------------------------------------
Copyright: 2010-2015, iMinds-Vision Lab, University of Antwerp
2014-2015, 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/>.

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


#include <cuda.h>
#include <driver_types.h>

#ifdef _MSC_VER

#ifdef DLL_EXPORTS
#define _AstraExport __declspec(dllexport)
#define EXPIMP_TEMPLATE
#else
#define _AstraExport __declspec(dllimport)
#define EXPIMP_TEMPLATE extern
#endif

#else

#define _AstraExport

#endif

//#include "dims.h"

#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif

#define ASTRA_CUDA_ASSERT(err) do {  if (err != cudaSuccess) { astraCUDA3d::reportCudaError(err); assert(err == cudaSuccess); } } while(0)


#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 {

    typedef texture<float, 3, cudaReadModeElementType> texture3D;

	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 transferVolumeToArray_1D(cudaPitchedPtr D_volumeData, cudaArray* array, 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);
    cudaArray* transferDeformationToArray(const mxGPUArray * m_img);
    bool bindDataTexture(const cudaArray* array, texture3D & Texture, cudaTextureAddressMode bordermode, bool normalized);

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

	int calcNextPowerOfTwo(int _iValue);


	bool cudaTextForceKernelsCompletion();
	void reportCudaError(cudaError_t err);

	double toc(double tstart);
	double tic();
	int checkLastError(char * msg);
	void printFreeMemory(); 

	int dumpArray(char* filename, int width, int height, float *buffer); 
	int dumpCudaArray(cudaPitchedPtr projData, int syart, int end, char * filename);
	int writeImage(char * fname, int w, int h, float * data);
	int writeBMPImage(char * fname, int w, int h, float ** red, float ** green, float ** blue); 
	int writeImageCudaArray(cudaPitchedPtr Data, int start, int end, char * filename); 



}

#endif