// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#include "perf_precomp.hpp"

namespace opencv_test {

PERF_TEST_P(Size_MatType, pyrDown, testing::Combine(
                testing::Values(sz1080p, sz720p, szVGA, szQVGA, szODD),
                testing::Values(CV_8UC1, CV_8UC3, CV_8UC4, CV_16SC1, CV_16SC3, CV_16SC4, CV_32FC1, CV_32FC3, CV_32FC4)
                )
            )
{
    Size sz = get<0>(GetParam());
    int matType = get<1>(GetParam());
    const double eps = CV_MAT_DEPTH(matType) <= CV_32S ? 1 : 1e-5;
    perf::ERROR_TYPE error_type = CV_MAT_DEPTH(matType) <= CV_32S ? ERROR_ABSOLUTE : ERROR_RELATIVE;

    Mat src(sz, matType);
    Mat dst((sz.height + 1)/2, (sz.width + 1)/2, matType);

    declare.in(src, WARMUP_RNG).out(dst);

    TEST_CYCLE() pyrDown(src, dst);

    SANITY_CHECK(dst, eps, error_type);
}

PERF_TEST_P(Size_MatType, pyrDown_ovx, testing::Combine(
    testing::Values(sz1080p, sz720p, szVGA, szQVGA, szODD),
    testing::Values(CV_8UC1, CV_8UC3, CV_8UC4, CV_16SC1, CV_16SC3, CV_16SC4, CV_32FC1, CV_32FC3, CV_32FC4)
)
)
{
    Size sz = get<0>(GetParam());
    int matType = get<1>(GetParam());
    const double eps = CV_MAT_DEPTH(matType) <= CV_32S ? 1 : 1e-5;
    perf::ERROR_TYPE error_type = CV_MAT_DEPTH(matType) <= CV_32S ? ERROR_ABSOLUTE : ERROR_RELATIVE;

    Mat src(sz, matType);
    Mat dst((sz.height + 1) / 2, (sz.width + 1) / 2, matType);

    declare.in(src, WARMUP_RNG).out(dst);

    TEST_CYCLE() pyrDown(src, dst, cv::Size(), BORDER_REPLICATE);

    SANITY_CHECK(dst, eps, error_type);
}

PERF_TEST_P(Size_MatType, pyrUp, testing::Combine(
                testing::Values(sz720p, szVGA, szQVGA, szODD),
                testing::Values(CV_8UC1, CV_8UC3, CV_8UC4, CV_16SC1, CV_16SC3, CV_16SC4, CV_32FC1, CV_32FC3, CV_32FC4)
                )
            )
{
    Size sz = get<0>(GetParam());
    int matType = get<1>(GetParam());
    const double eps = CV_MAT_DEPTH(matType) <= CV_32S ? 1 : 1e-5;
    perf::ERROR_TYPE error_type = CV_MAT_DEPTH(matType) <= CV_32S ? ERROR_ABSOLUTE : ERROR_RELATIVE;

    Mat src(sz, matType);
    Mat dst(sz.height*2, sz.width*2, matType);

    declare.in(src, WARMUP_RNG).out(dst);

    TEST_CYCLE() pyrUp(src, dst);

    SANITY_CHECK(dst, eps, error_type);
}

PERF_TEST_P(Size_MatType, buildPyramid, testing::Combine(
                testing::Values(sz1080p, sz720p, szVGA, szQVGA, szODD),
                testing::Values(CV_8UC1, CV_8UC3, CV_8UC4, CV_32FC1, CV_32FC3, CV_32FC4)
                )
            )
{
    Size sz = get<0>(GetParam());
    int matType = get<1>(GetParam());
    int maxLevel = 5;
    const double eps = CV_MAT_DEPTH(matType) <= CV_32S ? 1 : 1e-5;
    perf::ERROR_TYPE error_type = CV_MAT_DEPTH(matType) <= CV_32S ? ERROR_ABSOLUTE : ERROR_RELATIVE;
    Mat src(sz, matType);
    std::vector<Mat> dst(maxLevel);

    declare.in(src, WARMUP_RNG);

    TEST_CYCLE() buildPyramid(src, dst, maxLevel);

    Mat dst0 = dst[0], dst1 = dst[1], dst2 = dst[2], dst3 = dst[3], dst4 = dst[4];

    SANITY_CHECK(dst0, eps, error_type);
    SANITY_CHECK(dst1, eps, error_type);
    SANITY_CHECK(dst2, eps, error_type);
    SANITY_CHECK(dst3, eps, error_type);
    SANITY_CHECK(dst4, eps, error_type);
}

} // namespace