#include "opencv2/core/core.hpp"

#include "opencv2/highgui/highgui.hpp"

#include "opencv2/imgproc/imgproc.hpp"

#include "opencv2/ocl/ocl.hpp"

#include "iostream"

#include <sys/time.h>

#include "time-calculation.hpp"

using namespace cv;

int main( )

{

    //Timer time;

    //time.start();

    ocl::DevicesInfo devInfo;

    int res = ocl::getOpenCLDevices(devInfo);

    if(res == 0)

    {

        std::cerr << "There is no OPENCL Here !" << std::endl;

        return -1;

    }

    else

    {

        for(unsigned int i = 0 ; i < devInfo.size() ; ++i)

        {

          std::cout << "Device : " << devInfo[i]->deviceName << " is present" << std::endl;

        }

    }

    ocl::setDevice(devInfo[0]);        // select device to use

    std::cout << CV_VERSION_EPOCH << "." << CV_VERSION_MAJOR << "." << CV_VERSION_MINOR << std::endl;

    Mat src1;

    src1 = imread("lena.jpg", CV_LOAD_IMAGE_COLOR);

    namedWindow( "Original image", CV_WINDOW_AUTOSIZE );

    imshow( "Original image", src1 );

    //Mat edge, draw;

    Mat edge;

    ocl::oclMat conv, src_gray;

    ocl::oclMat oclmat_src(src1);

    //ocl::cvtColor(src1, gray, COLOR_RGB2GRAY);

    ocl::cvtColor( oclmat_src, src_gray, COLOR_RGB2GRAY );

    //ocl::oclMat dst(gray);

    ocl::Canny(src_gray, conv, 50, 150, 3);

    edge = conv;

    //ocl::finish();

    //edge.convertTo(draw, CV_8U);

    //time.stop;

    //std::cout<< "Time taken by Canny:" << time.getElapsedTimeInMilliSec() << "msecs" << std::endl;

    namedWindow("image", CV_WINDOW_AUTOSIZE);

    //imshow("image", draw);

    imshow("image", edge);

    waitKey(0);                                       

    return 0;

}