/*M///////////////////////////////////////////////////////////////////////////////////////
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#include "test_precomp.hpp"

#ifdef HAVE_CUDA

////////////////////////////////////////////////////////////////////////////////
// merge

struct Merge : testing::TestWithParam< std::tr1::tuple<cv::gpu::DeviceInfo, int> >
{
    cv::gpu::DeviceInfo devInfo;
    int type;

    cv::Size size;
    std::vector<cv::Mat> src;

    cv::Mat dst_gold;

    virtual void SetUp() 
    {
        devInfo = std::tr1::get<0>(GetParam());
        type = std::tr1::get<1>(GetParam());

        cv::gpu::setDevice(devInfo.deviceID());
        
        cv::RNG& rng = cvtest::TS::ptr()->get_rng();

        size = cv::Size(rng.uniform(20, 150), rng.uniform(20, 150));

        int depth = CV_MAT_DEPTH(type);
        int num_channels = CV_MAT_CN(type);
        src.reserve(num_channels);
        for (int i = 0; i < num_channels; ++i)
            src.push_back(cv::Mat(size, depth, cv::Scalar::all(i))); 

        cv::merge(src, dst_gold);
    }
};

TEST_P(Merge, Accuracy)
{
    if (CV_MAT_DEPTH(type) == CV_64F && !supportFeature(devInfo, cv::gpu::NATIVE_DOUBLE))
        return;

    PRINT_PARAM(devInfo);
    PRINT_TYPE(type);
    PRINT_PARAM(size);

    cv::Mat dst;

    ASSERT_NO_THROW(
        std::vector<cv::gpu::GpuMat> dev_src;
        cv::gpu::GpuMat dev_dst;

        for (size_t i = 0; i < src.size(); ++i)
            dev_src.push_back(cv::gpu::GpuMat(src[i]));

        cv::gpu::merge(dev_src, dev_dst); 

        dev_dst.download(dst);
    );

    EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
}

INSTANTIATE_TEST_CASE_P(MatOp, Merge, testing::Combine(
                        testing::ValuesIn(devices()), 
                        testing::ValuesIn(all_types())));

////////////////////////////////////////////////////////////////////////////////
// split

struct Split : testing::TestWithParam< std::tr1::tuple<cv::gpu::DeviceInfo, int> >
{
    cv::gpu::DeviceInfo devInfo;
    int type;

    cv::Size size;
    cv::Mat src;

    std::vector<cv::Mat> dst_gold;

    virtual void SetUp() 
    {
        devInfo = std::tr1::get<0>(GetParam());
        type = std::tr1::get<1>(GetParam());

        cv::gpu::setDevice(devInfo.deviceID());
        
        cv::RNG& rng = cvtest::TS::ptr()->get_rng();

        size = cv::Size(rng.uniform(20, 150), rng.uniform(20, 150));

        src.create(size, type);
        src.setTo(cv::Scalar(1.0, 2.0, 3.0, 4.0));
        cv::split(src, dst_gold);
    }
};

TEST_P(Split, Accuracy)
{
    if (CV_MAT_DEPTH(type) == CV_64F && !supportFeature(devInfo, cv::gpu::NATIVE_DOUBLE))
        return;

    PRINT_PARAM(devInfo);
    PRINT_TYPE(type);
    PRINT_PARAM(size);

    std::vector<cv::Mat> dst;
    
    ASSERT_NO_THROW(
        std::vector<cv::gpu::GpuMat> dev_dst;
        cv::gpu::split(cv::gpu::GpuMat(src), dev_dst);

        dst.resize(dev_dst.size());
        for (size_t i = 0; i < dev_dst.size(); ++i)
            dev_dst[i].download(dst[i]);
    );

    ASSERT_EQ(dst_gold.size(), dst.size());

    for (size_t i = 0; i < dst_gold.size(); ++i)
    {
        EXPECT_MAT_NEAR(dst_gold[i], dst[i], 0.0);
    }
}

INSTANTIATE_TEST_CASE_P(MatOp, Split, testing::Combine(
                        testing::ValuesIn(devices()), 
                        testing::ValuesIn(all_types())));

////////////////////////////////////////////////////////////////////////////////
// split_merge_consistency

struct SplitMerge : testing::TestWithParam< std::tr1::tuple<cv::gpu::DeviceInfo, int> >
{
    cv::gpu::DeviceInfo devInfo;
    int type;

    cv::Size size;
    cv::Mat orig;

    virtual void SetUp() 
    {
        devInfo = std::tr1::get<0>(GetParam());
        type = std::tr1::get<1>(GetParam());

        cv::gpu::setDevice(devInfo.deviceID());
        
        cv::RNG& rng = cvtest::TS::ptr()->get_rng();

        size = cv::Size(rng.uniform(20, 150), rng.uniform(20, 150));

        orig.create(size, type);
        orig.setTo(cv::Scalar(1.0, 2.0, 3.0, 4.0));
    }
};

TEST_P(SplitMerge, Consistency)
{
    if (CV_MAT_DEPTH(type) == CV_64F && !supportFeature(devInfo, cv::gpu::NATIVE_DOUBLE))
        return;

    PRINT_PARAM(devInfo);
    PRINT_TYPE(type);
    PRINT_PARAM(size);

    cv::Mat final;

    ASSERT_NO_THROW(
        std::vector<cv::gpu::GpuMat> dev_vec;
        cv::gpu::GpuMat dev_final;

        cv::gpu::split(cv::gpu::GpuMat(orig), dev_vec);    
        cv::gpu::merge(dev_vec, dev_final);

        dev_final.download(final);
    );

    EXPECT_MAT_NEAR(orig, final, 0.0);
}

INSTANTIATE_TEST_CASE_P(MatOp, SplitMerge, testing::Combine(
                        testing::ValuesIn(devices()), 
                        testing::ValuesIn(all_types())));

////////////////////////////////////////////////////////////////////////////////
// setTo

struct SetTo : testing::TestWithParam< std::tr1::tuple<cv::gpu::DeviceInfo, int> >
{
    cv::gpu::DeviceInfo devInfo;
    int type;

    cv::Size size;
    cv::Mat mat_gold;

    virtual void SetUp() 
    {
        devInfo = std::tr1::get<0>(GetParam());
        type = std::tr1::get<1>(GetParam());

        cv::gpu::setDevice(devInfo.deviceID());
        
        cv::RNG& rng = cvtest::TS::ptr()->get_rng();

        size = cv::Size(rng.uniform(20, 150), rng.uniform(20, 150));

        mat_gold.create(size, type);
    }
};

TEST_P(SetTo, Zero)
{
    if (CV_MAT_DEPTH(type) == CV_64F && !supportFeature(devInfo, cv::gpu::NATIVE_DOUBLE))
        return;

    PRINT_PARAM(devInfo);
    PRINT_TYPE(type);
    PRINT_PARAM(size);

    static cv::Scalar zero = cv::Scalar::all(0);

    cv::Mat mat;

    ASSERT_NO_THROW(
        cv::gpu::GpuMat dev_mat(mat_gold);

        mat_gold.setTo(zero);
        dev_mat.setTo(zero);

        dev_mat.download(mat);
    );

    EXPECT_MAT_NEAR(mat_gold, mat, 0.0);
}

TEST_P(SetTo, SameVal)
{
    if (CV_MAT_DEPTH(type) == CV_64F && !supportFeature(devInfo, cv::gpu::NATIVE_DOUBLE))
        return;

    PRINT_PARAM(devInfo);
    PRINT_TYPE(type);
    PRINT_PARAM(size);

    static cv::Scalar s = cv::Scalar::all(1);

    cv::Mat mat;

    ASSERT_NO_THROW(
        cv::gpu::GpuMat dev_mat(mat_gold);

        mat_gold.setTo(s);
        dev_mat.setTo(s);

        dev_mat.download(mat);
    );

    EXPECT_MAT_NEAR(mat_gold, mat, 0.0);
}

TEST_P(SetTo, DifferentVal)
{
    if (CV_MAT_DEPTH(type) == CV_64F && !supportFeature(devInfo, cv::gpu::NATIVE_DOUBLE))
        return;

    PRINT_PARAM(devInfo);
    PRINT_TYPE(type);
    PRINT_PARAM(size);

    static cv::Scalar s = cv::Scalar(1, 2, 3, 4);

    cv::Mat mat;

    ASSERT_NO_THROW(
        cv::gpu::GpuMat dev_mat(mat_gold);

        mat_gold.setTo(s);
        dev_mat.setTo(s);

        dev_mat.download(mat);
    );

    EXPECT_MAT_NEAR(mat_gold, mat, 0.0);
}

TEST_P(SetTo, Masked)
{
    if (CV_MAT_DEPTH(type) == CV_64F && !supportFeature(devInfo, cv::gpu::NATIVE_DOUBLE))
        return;

    PRINT_PARAM(devInfo);
    PRINT_TYPE(type);
    PRINT_PARAM(size);

    static cv::Scalar s = cv::Scalar(1, 2, 3, 4);

    cv::Mat mat;
    cv::RNG& rng = cvtest::TS::ptr()->get_rng();
    cv::Mat mask = cvtest::randomMat(rng, mat.size(), CV_8UC1, 0.0, 1.5, false);

    ASSERT_NO_THROW(
        cv::gpu::GpuMat dev_mat(mat_gold);

        mat_gold.setTo(s, mask);
        dev_mat.setTo(s, cv::gpu::GpuMat(mask));

        dev_mat.download(mat);
    );

    EXPECT_MAT_NEAR(mat_gold, mat, 0.0);
}

INSTANTIATE_TEST_CASE_P(MatOp, SetTo, testing::Combine(
                        testing::ValuesIn(devices()), 
                        testing::ValuesIn(all_types())));

////////////////////////////////////////////////////////////////////////////////
// copyTo

struct CopyTo : testing::TestWithParam< std::tr1::tuple<cv::gpu::DeviceInfo, int> >
{
    cv::gpu::DeviceInfo devInfo;
    int type;

    cv::Size size;
    cv::Mat src;

    virtual void SetUp() 
    {
        devInfo = std::tr1::get<0>(GetParam());
        type = std::tr1::get<1>(GetParam());

        cv::gpu::setDevice(devInfo.deviceID());
        
        cv::RNG& rng = cvtest::TS::ptr()->get_rng();

        size = cv::Size(rng.uniform(20, 150), rng.uniform(20, 150));

        src = cvtest::randomMat(rng, size, type, 0.0, 127.0, false);
    }
};

TEST_P(CopyTo, WithoutMask)
{
    if (CV_MAT_DEPTH(type) == CV_64F && !supportFeature(devInfo, cv::gpu::NATIVE_DOUBLE))
        return;

    PRINT_PARAM(devInfo);
    PRINT_TYPE(type);
    PRINT_PARAM(size);

    cv::Mat dst_gold;
    src.copyTo(dst_gold);

    cv::Mat dst;

    ASSERT_NO_THROW(
        cv::gpu::GpuMat dev_src(src);

        cv::gpu::GpuMat dev_dst;

        dev_src.copyTo(dev_dst);

        dev_dst.download(dst);
    );

    EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
}

TEST_P(CopyTo, Masked)
{
    if (CV_MAT_DEPTH(type) == CV_64F && !supportFeature(devInfo, cv::gpu::NATIVE_DOUBLE))
        return;

    PRINT_PARAM(devInfo);
    PRINT_TYPE(type);
    PRINT_PARAM(size);

    cv::RNG& rng = cvtest::TS::ptr()->get_rng();

    cv::Mat mask = cvtest::randomMat(rng, src.size(), CV_8UC1, 0.0, 2.0, false);

    cv::Mat dst_gold(src.size(), src.type(), cv::Scalar::all(0));
    src.copyTo(dst_gold, mask);

    cv::Mat dst;

    ASSERT_NO_THROW(
        cv::gpu::GpuMat dev_src(src);

        cv::gpu::GpuMat dev_dst(src.size(), src.type(), cv::Scalar::all(0));

        dev_src.copyTo(dev_dst, cv::gpu::GpuMat(mask));

        dev_dst.download(dst);
    );

    EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
}

INSTANTIATE_TEST_CASE_P(MatOp, CopyTo, testing::Combine(
                        testing::ValuesIn(devices()), 
                        testing::ValuesIn(all_types())));

////////////////////////////////////////////////////////////////////////////////
// convertTo

struct ConvertTo : testing::TestWithParam< std::tr1::tuple<cv::gpu::DeviceInfo, int, int> >
{
    cv::gpu::DeviceInfo devInfo;
    int depth1;
    int depth2;

    cv::Size size;
    cv::Mat src;

    virtual void SetUp() 
    {
        devInfo = std::tr1::get<0>(GetParam());
        depth1 = std::tr1::get<1>(GetParam());
        depth2 = std::tr1::get<2>(GetParam());

        cv::gpu::setDevice(devInfo.deviceID());
        
        cv::RNG& rng = cvtest::TS::ptr()->get_rng();

        size = cv::Size(rng.uniform(20, 150), rng.uniform(20, 150));

        src = cvtest::randomMat(rng, size, depth1, 0.0, 127.0, false);
    }
};

TEST_P(ConvertTo, WithoutScaling)
{
    if ((depth1 == CV_64F || depth2 == CV_64F) && !supportFeature(devInfo, cv::gpu::NATIVE_DOUBLE))
        return;

    PRINT_PARAM(devInfo);
    PRINT_TYPE(depth1);
    PRINT_TYPE(depth2);
    PRINT_PARAM(size);

    cv::Mat dst_gold;
    src.convertTo(dst_gold, depth2);

    cv::Mat dst;
    
    ASSERT_NO_THROW(
        cv::gpu::GpuMat dev_src(src);

        cv::gpu::GpuMat dev_dst;

        dev_src.convertTo(dev_dst, depth2);

        dev_dst.download(dst);
    );

    EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
}

TEST_P(ConvertTo, WithScaling)
{
    if ((depth1 == CV_64F || depth2 == CV_64F) && !supportFeature(devInfo, cv::gpu::NATIVE_DOUBLE))
        return;

    PRINT_PARAM(devInfo);
    PRINT_TYPE(depth1);
    PRINT_TYPE(depth2);
    PRINT_PARAM(size);
    
    cv::RNG& rng = cvtest::TS::ptr()->get_rng();

    const double a = rng.uniform(0.0, 1.0);
    const double b = rng.uniform(-10.0, 10.0);
    
    PRINT_PARAM(a);
    PRINT_PARAM(b);

    cv::Mat dst_gold;
    src.convertTo(dst_gold, depth2, a, b);

    cv::Mat dst;
    
    ASSERT_NO_THROW(
        cv::gpu::GpuMat dev_src(src);

        cv::gpu::GpuMat dev_dst;

        dev_src.convertTo(dev_dst, depth2, a, b);

        dev_dst.download(dst);
    );

    const double eps = depth2 < CV_32F ? 1 : 1e-4;

    EXPECT_MAT_NEAR(dst_gold, dst, eps);
}

INSTANTIATE_TEST_CASE_P(MatOp, ConvertTo, testing::Combine(
                        testing::ValuesIn(devices()), 
                        testing::ValuesIn(types(CV_8U, CV_64F, 1, 1)), 
                        testing::ValuesIn(types(CV_8U, CV_64F, 1, 1))));

////////////////////////////////////////////////////////////////////////////////
// async

struct Async : testing::TestWithParam<cv::gpu::DeviceInfo>
{
    cv::gpu::DeviceInfo devInfo;

    cv::gpu::CudaMem src;

    cv::Mat dst_gold0;
    cv::Mat dst_gold1;

    virtual void SetUp() 
    {
        devInfo = GetParam();

        cv::gpu::setDevice(devInfo.deviceID());

        cv::RNG& rng = cvtest::TS::ptr()->get_rng();

        int rows = rng.uniform(100, 200);
        int cols = rng.uniform(100, 200);

        src = cv::gpu::CudaMem(cv::Mat::zeros(rows, cols, CV_8UC1));        

        dst_gold0 = cv::Mat(rows, cols, CV_8UC1, cv::Scalar::all(255));
        dst_gold1 = cv::Mat(rows, cols, CV_8UC1, cv::Scalar::all(128));
    }
};

TEST_P(Async, Accuracy)
{
    PRINT_PARAM(devInfo);

    cv::Mat dst0, dst1;
    
    ASSERT_NO_THROW(
        cv::gpu::CudaMem cpudst0;
        cv::gpu::CudaMem cpudst1;

        cv::gpu::GpuMat gpusrc;
        cv::gpu::GpuMat gpudst0;
        cv::gpu::GpuMat gpudst1(src.rows, src.cols, CV_8UC1);

        cv::gpu::Stream stream0;
        cv::gpu::Stream stream1;

        stream0.enqueueUpload(src, gpusrc);
        cv::gpu::bitwise_not(gpusrc, gpudst0, cv::gpu::GpuMat(), stream0);
        stream0.enqueueDownload(gpudst0, cpudst0);

        stream1.enqueueMemSet(gpudst1, cv::Scalar::all(128));
        stream1.enqueueDownload(gpudst1, cpudst1);

        stream0.waitForCompletion();
        stream1.waitForCompletion();

        dst0 = cpudst0.createMatHeader();
        dst1 = cpudst1.createMatHeader();
    );

    EXPECT_MAT_NEAR(dst_gold0, dst0, 0.0);
    EXPECT_MAT_NEAR(dst_gold1, dst1, 0.0);
}

INSTANTIATE_TEST_CASE_P(MatOp, Async, testing::ValuesIn(devices()));

#endif // HAVE_CUDA
