/*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.
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//
//                           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.
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//   * Redistribution's in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
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//     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
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//M*/
#include "perf_precomp.hpp"

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

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

typedef Size_MatType pyrDownFixture;

PERF_TEST_P(pyrDownFixture, pyrDown,
            ::testing::Combine(OCL_TYPICAL_MAT_SIZES,
                               OCL_PERF_ENUM(CV_8UC1, CV_8UC4)))
{
    const Size_MatType_t params = GetParam();
    const Size srcSize = get<0>(params);
    const int type = get<1>(params);
    Size dstSize((srcSize.height + 1) >> 1, (srcSize.width + 1) >> 1);

    checkDeviceMaxMemoryAllocSize(srcSize, type);
    checkDeviceMaxMemoryAllocSize(dstSize, type);

    Mat src(srcSize, type), dst;
    dst.create(dstSize, type);
    declare.in(src, WARMUP_RNG).out(dst);

    if (RUN_OCL_IMPL)
    {
        ocl::oclMat oclSrc(src), oclDst(dstSize, type);

        OCL_TEST_CYCLE() ocl::pyrDown(oclSrc, oclDst);

        oclDst.download(dst);

        SANITY_CHECK(dst);
    }
    else if (RUN_PLAIN_IMPL)
    {
        TEST_CYCLE() pyrDown(src, dst);

        SANITY_CHECK(dst);
    }
    else
        OCL_PERF_ELSE
}

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

typedef Size_MatType pyrUpFixture;

PERF_TEST_P(pyrUpFixture, pyrUp,
            ::testing::Combine(OCL_TYPICAL_MAT_SIZES,
                               OCL_PERF_ENUM(CV_8UC1, CV_8UC4)))
{
    const Size_MatType_t params = GetParam();
    const Size srcSize = get<0>(params);
    const int type = get<1>(params);
    Size dstSize(srcSize.height << 1, srcSize.width << 1);

    checkDeviceMaxMemoryAllocSize(srcSize, type);
    checkDeviceMaxMemoryAllocSize(dstSize, type);

    Mat src(srcSize, type), dst;
    dst.create(dstSize, type);
    declare.in(src, WARMUP_RNG).out(dst);

    if (RUN_OCL_IMPL)
    {
        ocl::oclMat oclSrc(src), oclDst(dstSize, type);

        OCL_TEST_CYCLE() ocl::pyrDown(oclSrc, oclDst);

        oclDst.download(dst);

        SANITY_CHECK(dst);
    }
    else if (RUN_PLAIN_IMPL)
    {
        TEST_CYCLE() pyrDown(src, dst);

        SANITY_CHECK(dst);
    }
    else
        OCL_PERF_ELSE
}
