///////////////////////////////////////////////////////////////////////////////////////
//
//  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, Institute Of Software Chinese Academy Of Science, all rights reserved.
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// @Authors
//    Yao Wang yao@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.
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//   * The name of the copyright holders may not be used to endorse or promote products
//     derived from this software without specific prior written permission.
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// 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.
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// loss of use, data, or profits; or business interruption) however caused
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//M*/


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

#ifdef HAVE_OPENCL

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

PARAM_TEST_CASE(PyrBase, MatType, int)
{
    int type;
    int channels;
    Mat dst_cpu;
    oclMat gdst;
    virtual void SetUp()
    {
        type = GET_PARAM(0);
        channels = GET_PARAM(1);
    }

};

/////////////////////// PyrDown //////////////////////////
struct PyrDown : PyrBase {};

TEST_P(PyrDown, Mat)
{
    for(int j = 0; j < LOOP_TIMES; j++)
    {
        Size size(MWIDTH, MHEIGHT);
        Mat src = randomMat(size, CV_MAKETYPE(type, channels));
        oclMat gsrc(src);
        
        pyrDown(src, dst_cpu);
        pyrDown(gsrc, gdst);

        EXPECT_MAT_NEAR(dst_cpu, Mat(gdst), type == CV_32F ? 1e-4f : 1.0f);
    }
}

INSTANTIATE_TEST_CASE_P(OCL_ImgProc, PyrDown, Combine(
                            Values(CV_8U, CV_32F), Values(1, 3, 4)));

/////////////////////// PyrUp //////////////////////////

struct PyrUp : PyrBase {};

TEST_P(PyrUp, Accuracy)
{
    for(int j = 0; j < LOOP_TIMES; j++)
    {
        Size size(MWIDTH, MHEIGHT);
        Mat src = randomMat(size, CV_MAKETYPE(type, channels));
        oclMat gsrc(src);

        pyrUp(src, dst_cpu);
        pyrUp(gsrc, gdst);

        EXPECT_MAT_NEAR(dst_cpu, Mat(gdst), (type == CV_32F ? 1e-4f : 1.0));
    }

}


INSTANTIATE_TEST_CASE_P(OCL_ImgProc, PyrUp, testing::Combine(
                            Values(CV_8U, CV_32F), Values(1, 3, 4)));
#endif // HAVE_OPENCL