/*M///////////////////////////////////////////////////////////////////////////////////////
//
//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
//  By downloading, copying, installing or using the software you agree to this license.
//  If you do not agree to this license, do not download, install,
//  copy or use the software.
//
//
//                           License Agreement
//                For Open Source Computer Vision Library
//
// Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// @Authors
//	   Fangfang Bai fangfang@multicorewareinc.com
//    
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
//   * Redistribution's of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//
//   * Redistribution's in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other oclMaterials provided with the distribution.
//
//   * The name of the copyright holders may not be used to endorse or promote products
//     derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/

#include "precomp.hpp"
#include <iomanip>

using namespace cv;
using namespace cv::ocl;
using namespace cvtest;
using namespace testing;
using namespace std;

///////////////////////////////////////////////////////////////////////////////
/// ColumnSum

#ifdef HAVE_OPENCL

////////////////////////////////////////////////////////////////////////
// ColumnSum

PARAM_TEST_CASE(ColumnSum)
{
	cv::Mat src;
	//std::vector<cv::ocl::Info> oclinfo;

	virtual void SetUp()
	{
		//int devnums = getDevice(oclinfo);
		//CV_Assert(devnums > 0);
	}
};

TEST_F(ColumnSum, Performance)
{
	cv::Size size(MWIDTH,MHEIGHT);
    cv::Mat src = randomMat(size, CV_32FC1);
    cv::ocl::oclMat d_dst;

	double totalgputick=0;
	double totalgputick_kernel=0;
	double t1=0;
	double t2=0;

	for(int j = 0; j < LOOP_TIMES+1; j ++)
	{

		t1 = (double)cvGetTickCount();//gpu start1

        cv::ocl::oclMat d_src(src);		

		t2=(double)cvGetTickCount();//kernel
		cv::ocl::columnSum(d_src,d_dst);
		t2 = (double)cvGetTickCount() - t2;//kernel

		cv::Mat cpu_dst;
		d_dst.download (cpu_dst);//download

		t1 = (double)cvGetTickCount() - t1;//gpu end1

		if(j == 0)
			continue;

		totalgputick=t1+totalgputick;
		totalgputick_kernel=t2+totalgputick_kernel;	

	}

	cout << "average gpu runtime is  " << totalgputick/((double)cvGetTickFrequency()* LOOP_TIMES *1000.) << "ms" << endl;
	cout << "average gpu runtime without data transfer is  " << totalgputick_kernel/((double)cvGetTickFrequency()* LOOP_TIMES *1000.) << "ms" << endl;



}



#endif