/*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
//    Jin Ma,       jin@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.
//
// 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,
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// (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,
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//M*/
#include "perf_precomp.hpp"

using namespace perf;
using std::tr1::tuple;
using std::tr1::get;

///////////// pyrDown //////////////////////

CV_ENUM(pyrDownMatType, CV_8UC1, CV_8UC4)

typedef tuple<Size, pyrDownMatType> pyrDownParams;
typedef TestBaseWithParam<pyrDownParams> pyrDownFixture;

PERF_TEST_P(pyrDownFixture, pyrDown,
            ::testing::Combine(OCL_TYPICAL_MAT_SIZES,
                               pyrDownMatType::all()))
{
    // getting params
    pyrDownParams params = GetParam();
    const Size srcSize = get<0>(params);
    const int type = get<1>(params);

    std::string impl = getSelectedImpl();

    // creating src data
    Mat src(srcSize, type), dst;
    Size dstSize((srcSize.height + 1) >> 1, (srcSize.width + 1) >> 1);
    dst.create(dstSize, type);
    declare.in(src).out(dst);

    // select implementation
    if (impl == "ocl")
    {
        ocl::oclMat oclSrc(src), oclDst(dstSize, type);

        TEST_CYCLE() cv::ocl::pyrDown(oclSrc, oclDst);

        oclDst.download(dst);

        SANITY_CHECK(dst);
    }
    else if (impl == "plain")
    {
        TEST_CYCLE() cv::pyrDown(src, dst);

        SANITY_CHECK(dst);
    }
#ifdef HAVE_OPENCV_GPU
    else if (impl == "gpu")
        CV_TEST_FAIL_NO_IMPL();
#endif
    else
        CV_TEST_FAIL_NO_IMPL();
}

///////////// pyrUp ////////////////////////

typedef pyrDownMatType pyrUpMatType;
typedef tuple<Size, pyrUpMatType> pyrUpParams;
typedef TestBaseWithParam<pyrUpParams> pyrUpFixture;

PERF_TEST_P(pyrUpFixture, pyrUp,
            ::testing::Combine(OCL_TYPICAL_MAT_SIZES,
                               pyrUpMatType::all()))
{
    // getting params
    pyrUpParams params = GetParam();
    const Size srcSize = get<0>(params);
    const int type = get<1>(params);

    std::string impl = getSelectedImpl();

    // creating src data
    Mat src(srcSize, type), dst;
    Size dstSize(srcSize.height << 1, srcSize.width << 1);
    dst.create(dstSize, type);
    declare.in(src).out(dst);

    // select implementation
    if (impl == "ocl")
    {
        ocl::oclMat oclSrc(src), oclDst(dstSize, type);

        TEST_CYCLE() cv::ocl::pyrDown(oclSrc, oclDst);

        oclDst.download(dst);

        SANITY_CHECK(dst);
    }
    else if (impl == "plain")
    {
        TEST_CYCLE() cv::pyrDown(src, dst);

        SANITY_CHECK(dst);
    }
#ifdef HAVE_OPENCV_GPU
    else if (impl == "gpu")
        CV_TEST_FAIL_NO_IMPL();
#endif
    else
        CV_TEST_FAIL_NO_IMPL();
}