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  //                           License Agreement
  //                For Open Source Computer Vision Library
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  // @Authors
  //    Yao Wang yao@multicorewareinc.com
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  #include "../test_precomp.hpp"
  #include "opencv2/ts/ocl_test.hpp"
  
  #ifdef HAVE_OPENCL
  
  namespace opencv_test {
  namespace ocl {
  
  PARAM_TEST_CASE(PyrTestBase, MatDepth, Channels, BorderType, bool)
  {
      int depth, channels, borderType;
      bool use_roi;
  
      TEST_DECLARE_INPUT_PARAMETER(src);
      TEST_DECLARE_OUTPUT_PARAMETER(dst);
  
      virtual void SetUp()
      {
          depth = GET_PARAM(0);
          channels = GET_PARAM(1);
          borderType = GET_PARAM(2);
          use_roi = GET_PARAM(3);
      }
  
      void generateTestData(Size src_roiSize, Size dst_roiSize)
      {
          Border srcBorder = randomBorder(0, use_roi ? MAX_VALUE : 0);
          randomSubMat(src, src_roi, src_roiSize, srcBorder, CV_MAKETYPE(depth, channels), -MAX_VALUE, MAX_VALUE);
  
          Border dstBorder = randomBorder(0, use_roi ? MAX_VALUE : 0);
          randomSubMat(dst, dst_roi, dst_roiSize, dstBorder, CV_MAKETYPE(depth, channels), -MAX_VALUE, MAX_VALUE);
  
          UMAT_UPLOAD_INPUT_PARAMETER(src);
          UMAT_UPLOAD_OUTPUT_PARAMETER(dst);
      }
  
      void Near(double threshold = 0.0)
      {
          OCL_EXPECT_MATS_NEAR(dst, threshold);
      }
  };
  
  /////////////////////// PyrDown //////////////////////////
  
  typedef PyrTestBase PyrDown;
  
  OCL_TEST_P(PyrDown, Mat)
  {
      for (int j = 0; j < test_loop_times; j++)
      {
          Size src_roiSize = randomSize(1, MAX_VALUE);
          Size dst_roiSize = Size(randomInt((src_roiSize.width - 1) / 2, (src_roiSize.width + 3) / 2),
                                  randomInt((src_roiSize.height - 1) / 2, (src_roiSize.height + 3) / 2));
          dst_roiSize = dst_roiSize.area() == 0 ? Size((src_roiSize.width + 1) / 2, (src_roiSize.height + 1) / 2) : dst_roiSize;
          generateTestData(src_roiSize, dst_roiSize);
  
          OCL_OFF(pyrDown(src_roi, dst_roi, dst_roiSize, borderType));
          OCL_ON(pyrDown(usrc_roi, udst_roi, dst_roiSize, borderType));
  
          Near(depth == CV_32F ? 1e-4f : 1.0f);
      }
  }
  
  OCL_INSTANTIATE_TEST_CASE_P(ImgprocPyr, PyrDown, Combine(
                              Values(CV_8U, CV_16U, CV_16S, CV_32F, CV_64F),
                              Values(1, 2, 3, 4),
                              Values((BorderType)BORDER_REPLICATE,
                              (BorderType)BORDER_REFLECT, (BorderType)BORDER_REFLECT_101),
                              Bool()
                              ));
  
  /////////////////////// PyrUp //////////////////////////
  
  typedef PyrTestBase PyrUp;
  
  OCL_TEST_P(PyrUp, Mat)
  {
      for (int j = 0; j < test_loop_times; j++)
      {
          Size src_roiSize = randomSize(1, MAX_VALUE);
          Size dst_roiSize = Size(2 * src_roiSize.width, 2 * src_roiSize.height);
          generateTestData(src_roiSize, dst_roiSize);
  
          OCL_OFF(pyrUp(src_roi, dst_roi, dst_roiSize, borderType));
          OCL_ON(pyrUp(usrc_roi, udst_roi, dst_roiSize, borderType));
  
          Near(depth == CV_32F ? 1e-4f : 1.0f);
      }
  }
  
  typedef PyrTestBase PyrUp_cols2;
  
  OCL_TEST_P(PyrUp_cols2, Mat)
  {
      for (int j = 0; j < test_loop_times; j++)
      {
          Size src_roiSize = randomSize(1, MAX_VALUE);
          src_roiSize.width += (src_roiSize.width % 2);
          Size dst_roiSize = Size(2 * src_roiSize.width, 2 * src_roiSize.height);
          generateTestData(src_roiSize, dst_roiSize);
  
          OCL_OFF(pyrUp(src_roi, dst_roi, dst_roiSize, borderType));
          OCL_ON(pyrUp(usrc_roi, udst_roi, dst_roiSize, borderType));
  
          Near(depth == CV_32F ? 1e-4f : 1.0f);
      }
  }
  
  OCL_INSTANTIATE_TEST_CASE_P(ImgprocPyr, PyrUp, Combine(
                              Values(CV_8U, CV_16U, CV_16S, CV_32F, CV_64F),
                              Values(1, 2, 3, 4),
                              Values((BorderType)BORDER_REFLECT_101),
                              Bool()
                              ));
  
  OCL_INSTANTIATE_TEST_CASE_P(ImgprocPyr, PyrUp_cols2, Combine(
                              Values((MatDepth)CV_8U),
                              Values((Channels)1),
                              Values((BorderType)BORDER_REFLECT_101),
                              Bool()
                              ));
  
  } } // namespace opencv_test::ocl
  
  #endif // HAVE_OPENCL
  