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#include "../test_precomp.hpp"
#include "opencv2/ts/ocl_test.hpp"

#ifdef HAVE_OPENCL

namespace cvtest {
namespace ocl {

/////////////////////////////////////////////////////////////////////////////////////////////////
// sepFilter2D
PARAM_TEST_CASE(SepFilter2D, MatDepth, Channels, BorderType, bool, bool)
{
    static const int kernelMinSize = 2;
    static const int kernelMaxSize = 10;

    int type;
    Point anchor;
    int borderType;
    bool useRoi;
    Mat kernelX, kernelY;
    double delta;

    TEST_DECLARE_INPUT_PARAMETER(src);
    TEST_DECLARE_OUTPUT_PARAMETER(dst);

    virtual void SetUp()
    {
        type = CV_MAKE_TYPE(GET_PARAM(0), GET_PARAM(1));
        borderType = GET_PARAM(2) | (GET_PARAM(3) ? BORDER_ISOLATED : 0);
        useRoi = GET_PARAM(4);
    }

    void random_roi()
    {
        Size ksize = randomSize(kernelMinSize, kernelMaxSize);
        if (1 != ksize.width % 2)
            ksize.width++;
        if (1 != ksize.height % 2)
            ksize.height++;

        Mat temp = randomMat(Size(ksize.width, 1), CV_MAKE_TYPE(CV_32F, 1), -MAX_VALUE, MAX_VALUE);
        cv::normalize(temp, kernelX, 1.0, 0.0, NORM_L1);
        temp = randomMat(Size(1, ksize.height),  CV_MAKE_TYPE(CV_32F, 1), -MAX_VALUE, MAX_VALUE);
        cv::normalize(temp, kernelY, 1.0, 0.0, NORM_L1);

        Size roiSize = randomSize(ksize.width, MAX_VALUE, ksize.height, MAX_VALUE);
        Border srcBorder = randomBorder(0, useRoi ? MAX_VALUE : 0);
        randomSubMat(src, src_roi, roiSize, srcBorder, type, -MAX_VALUE, MAX_VALUE);

        Border dstBorder = randomBorder(0, useRoi ? MAX_VALUE : 0);
        randomSubMat(dst, dst_roi, roiSize, dstBorder, type, -MAX_VALUE, MAX_VALUE);

        anchor.x = anchor.y = -1;
        delta = randomDouble(-100, 100);

        UMAT_UPLOAD_INPUT_PARAMETER(src);
        UMAT_UPLOAD_OUTPUT_PARAMETER(dst);
    }

    void Near(double threshold = 0.0)
    {
        OCL_EXPECT_MATS_NEAR(dst, threshold);
    }
};

OCL_TEST_P(SepFilter2D, Mat)
{
    for (int j = 0; j < test_loop_times + 3; j++)
    {
        random_roi();

        OCL_OFF(cv::sepFilter2D(src_roi, dst_roi, -1, kernelX, kernelY, anchor, delta, borderType));
        OCL_ON(cv::sepFilter2D(usrc_roi, udst_roi, -1, kernelX, kernelY, anchor, delta, borderType));

        Near(1.0);
    }
}

OCL_INSTANTIATE_TEST_CASE_P(ImageProc, SepFilter2D,
                            Combine(
                                Values(CV_8U, CV_32F),
                                OCL_ALL_CHANNELS,
                                Values(
                                        (BorderType)BORDER_CONSTANT,
                                        (BorderType)BORDER_REPLICATE,
                                        (BorderType)BORDER_REFLECT,
                                        (BorderType)BORDER_REFLECT_101),
                                Bool(), // BORDER_ISOLATED
                                Bool()  // ROI
                                )
                           );


} } // namespace cvtest::ocl

#endif // HAVE_OPENCL
