opencv/modules/ocl/test/test_pyramids.cpp

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// @Authors
//    Yao Wang yao@multicorewareinc.com
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#include "test_precomp.hpp"
#include <iomanip>

#ifdef HAVE_OPENCL

using namespace cv;
using namespace cv::ocl;
using namespace cvtest;
using namespace testing;
using namespace std;

PARAM_TEST_CASE(PyrBase, MatType, int)
{
    int type;
    int channels;
    Mat dst_cpu;
    oclMat gdst;
    virtual void SetUp()
    {
        type = GET_PARAM(0);
        channels = GET_PARAM(1);
    }

};

/////////////////////// PyrDown //////////////////////////
struct PyrDown : PyrBase {};

TEST_P(PyrDown, Mat)
{
    for(int j = 0; j < LOOP_TIMES; j++)
    {
        Size size(MWIDTH, MHEIGHT);
        Mat src = randomMat(size, CV_MAKETYPE(type, channels));
        oclMat gsrc(src);
        
        pyrDown(src, dst_cpu);
        pyrDown(gsrc, gdst);

        EXPECT_MAT_NEAR(dst_cpu, Mat(gdst), type == CV_32F ? 1e-4f : 1.0f);
    }
}

INSTANTIATE_TEST_CASE_P(OCL_ImgProc, PyrDown, Combine(
                            Values(CV_8U, CV_32F), Values(1, 3, 4)));

/////////////////////// PyrUp //////////////////////////

struct PyrUp : PyrBase {};

TEST_P(PyrUp, Accuracy)
{
    for(int j = 0; j < LOOP_TIMES; j++)
    {
        Size size(MWIDTH, MHEIGHT);
        Mat src = randomMat(size, CV_MAKETYPE(type, channels));
        oclMat gsrc(src);

        pyrUp(src, dst_cpu);
        pyrUp(gsrc, gdst);

        EXPECT_MAT_NEAR(dst_cpu, Mat(gdst), (type == CV_32F ? 1e-4f : 1.0));
    }

}


INSTANTIATE_TEST_CASE_P(OCL_ImgProc, PyrUp, testing::Combine(
                            Values(CV_8U, CV_32F), Values(1, 3, 4)));
#endif // HAVE_OPENCL