text: /*M///////////////////////////////////////////////////////////////////////////////////////
  //
  //  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
  //
  //  By downloading, copying, installing or using the software you agree to this license.
  //  If you do not agree to this license, do not download, install,
  //  copy or use the software.
  //
  //
  //                           License Agreement
  //                For Open Source Computer Vision Library
  //
  // Copyright (C) 2010-2012, Multicoreware, Inc., all rights reserved.
  // Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
  // Third party copyrights are property of their respective owners.
  //
  // @Authors
  //    Peng Xiao, pengxiao@multicorewareinc.com
  //
  // Redistribution and use in source and binary forms, with or without modification,
  // are permitted provided that the following conditions are met:
  //
  //   * Redistribution's of source code must retain the above copyright notice,
  //     this list of conditions and the following disclaimer.
  //
  //   * Redistribution's in binary form must reproduce the above copyright notice,
  //     this list of conditions and the following disclaimer in the documentation
  //     and/or other materials provided with the distribution.
  //
  //   * The name of the copyright holders may not be used to endorse or promote products
  //     derived from this software without specific prior written permission.
  //
  // This software is provided by the copyright holders and contributors as is and
  // any express or implied warranties, including, but not limited to, the implied
  // warranties of merchantability and fitness for a particular purpose are disclaimed.
  // In no event shall the Intel Corporation or contributors be liable for any direct,
  // indirect, incidental, special, exemplary, or consequential damages
  // (including, but not limited to, procurement of substitute goods or services;
  // loss of use, data, or profits; or business interruption) however caused
  // and on any theory of liability, whether in contract, strict liability,
  // or tort (including negligence or otherwise) arising in any way out of
  // the use of this software, even if advised of the possibility of such damage.
  //
  //M*/
  
  #include "test_precomp.hpp"
  #include "opencv2/ts/ocl_test.hpp"
  
  #ifdef HAVE_OPENCL
  
  namespace cvtest {
  namespace ocl {
  
  ///////////////////////////////////////////////////////////////////////////////////////////////////////
  // cvtColor
  
  PARAM_TEST_CASE(CvtColor, MatDepth, bool)
  {
      int depth;
      bool use_roi;
  
      TEST_DECLARE_INPUT_PARAMETER(src);
      TEST_DECLARE_OUTPUT_PARAMETER(dst);
  
      virtual void SetUp()
      {
          depth = GET_PARAM(0);
          use_roi = GET_PARAM(1);
      }
  
      virtual void generateTestData(int channelsIn, int channelsOut)
      {
          const int srcType = CV_MAKE_TYPE(depth, channelsIn);
          const int dstType = CV_MAKE_TYPE(depth, channelsOut);
  
          Size roiSize = randomSize(1, MAX_VALUE);
          Border srcBorder = randomBorder(0, use_roi ? MAX_VALUE : 0);
          randomSubMat(src, src_roi, roiSize, srcBorder, srcType, 2, 100);
  
          Border dstBorder = randomBorder(0, use_roi ? MAX_VALUE : 0);
          randomSubMat(dst, dst_roi, roiSize, dstBorder, dstType, 5, 16);
  
          UMAT_UPLOAD_INPUT_PARAMETER(src);
          UMAT_UPLOAD_OUTPUT_PARAMETER(dst);
      }
  
      void Near(double threshold)
      {
          OCL_EXPECT_MATS_NEAR(dst, threshold);
      }
  
      void performTest(int channelsIn, int channelsOut, int code, double threshold = 1e-3)
      {
          for (int j = 0; j < test_loop_times; j++)
          {
              generateTestData(channelsIn, channelsOut);
  
              OCL_OFF(cv::cvtColor(src_roi, dst_roi, code, channelsOut));
              OCL_ON(cv::cvtColor(usrc_roi, udst_roi, code, channelsOut));
  
              Near(threshold);
          }
      }
  };
  
  #define CVTCODE(name) COLOR_ ## name
  
  // RGB[A] <-> BGR[A]
  
  OCL_TEST_P(CvtColor, BGR2BGRA) { performTest(3, 4, CVTCODE(BGR2BGRA)); }
  OCL_TEST_P(CvtColor, RGB2RGBA) { performTest(3, 4, CVTCODE(RGB2RGBA)); }
  OCL_TEST_P(CvtColor, BGRA2BGR) { performTest(4, 3, CVTCODE(BGRA2BGR)); }
  OCL_TEST_P(CvtColor, RGBA2RGB) { performTest(4, 3, CVTCODE(RGBA2RGB)); }
  OCL_TEST_P(CvtColor, BGR2RGBA) { performTest(3, 4, CVTCODE(BGR2RGBA)); }
  OCL_TEST_P(CvtColor, RGB2BGRA) { performTest(3, 4, CVTCODE(RGB2BGRA)); }
  OCL_TEST_P(CvtColor, RGBA2BGR) { performTest(4, 3, CVTCODE(RGBA2BGR)); }
  OCL_TEST_P(CvtColor, BGRA2RGB) { performTest(4, 3, CVTCODE(BGRA2RGB)); }
  OCL_TEST_P(CvtColor, BGR2RGB) { performTest(3, 3, CVTCODE(BGR2RGB)); }
  OCL_TEST_P(CvtColor, RGB2BGR) { performTest(3, 3, CVTCODE(RGB2BGR)); }
  OCL_TEST_P(CvtColor, BGRA2RGBA) { performTest(4, 4, CVTCODE(BGRA2RGBA)); }
  OCL_TEST_P(CvtColor, RGBA2BGRA) { performTest(4, 4, CVTCODE(RGBA2BGRA)); }
  
  // RGB <-> Gray
  
  OCL_TEST_P(CvtColor, RGB2GRAY) { performTest(3, 1, CVTCODE(RGB2GRAY)); }
  OCL_TEST_P(CvtColor, GRAY2RGB) { performTest(1, 3, CVTCODE(GRAY2RGB)); }
  OCL_TEST_P(CvtColor, BGR2GRAY) { performTest(3, 1, CVTCODE(BGR2GRAY)); }
  OCL_TEST_P(CvtColor, GRAY2BGR) { performTest(1, 3, CVTCODE(GRAY2BGR)); }
  OCL_TEST_P(CvtColor, RGBA2GRAY) { performTest(4, 1, CVTCODE(RGBA2GRAY)); }
  OCL_TEST_P(CvtColor, GRAY2RGBA) { performTest(1, 4, CVTCODE(GRAY2RGBA)); }
  OCL_TEST_P(CvtColor, BGRA2GRAY) { performTest(4, 1, CVTCODE(BGRA2GRAY)); }
  OCL_TEST_P(CvtColor, GRAY2BGRA) { performTest(1, 4, CVTCODE(GRAY2BGRA)); }
  
  // RGB <-> YUV
  
  OCL_TEST_P(CvtColor, RGB2YUV) { performTest(3, 3, CVTCODE(RGB2YUV)); }
  OCL_TEST_P(CvtColor, BGR2YUV) { performTest(3, 3, CVTCODE(BGR2YUV)); }
  OCL_TEST_P(CvtColor, RGBA2YUV) { performTest(4, 3, CVTCODE(RGB2YUV)); }
  OCL_TEST_P(CvtColor, BGRA2YUV) { performTest(4, 3, CVTCODE(BGR2YUV)); }
  OCL_TEST_P(CvtColor, YUV2RGB) { performTest(3, 3, CVTCODE(YUV2RGB)); }
  OCL_TEST_P(CvtColor, YUV2BGR) { performTest(3, 3, CVTCODE(YUV2BGR)); }
  OCL_TEST_P(CvtColor, YUV2RGBA) { performTest(3, 4, CVTCODE(YUV2RGB)); }
  OCL_TEST_P(CvtColor, YUV2BGRA) { performTest(3, 4, CVTCODE(YUV2BGR)); }
  
  // RGB <-> YCrCb
  
  OCL_TEST_P(CvtColor, RGB2YCrCb) { performTest(3, 3, CVTCODE(RGB2YCrCb)); }
  OCL_TEST_P(CvtColor, BGR2YCrCb) { performTest(3, 3, CVTCODE(BGR2YCrCb)); }
  OCL_TEST_P(CvtColor, RGBA2YCrCb) { performTest(4, 3, CVTCODE(RGB2YCrCb)); }
  OCL_TEST_P(CvtColor, BGRA2YCrCb) { performTest(4, 3, CVTCODE(BGR2YCrCb)); }
  OCL_TEST_P(CvtColor, YCrCb2RGB) { performTest(3, 3, CVTCODE(YCrCb2RGB)); }
  OCL_TEST_P(CvtColor, YCrCb2BGR) { performTest(3, 3, CVTCODE(YCrCb2BGR)); }
  OCL_TEST_P(CvtColor, YCrCb2RGBA) { performTest(3, 4, CVTCODE(YCrCb2RGB)); }
  OCL_TEST_P(CvtColor, YCrCb2BGRA) { performTest(3, 4, CVTCODE(YCrCb2BGR)); }
  
  // RGB <-> XYZ
  
  #if IPP_VERSION_X100 > 0
  #define IPP_EPS depth <= CV_32S ? 1 : 5e-5
  #else
  #define IPP_EPS 1e-3
  #endif
  
  OCL_TEST_P(CvtColor, RGB2XYZ) { performTest(3, 3, CVTCODE(RGB2XYZ), IPP_EPS); }
  OCL_TEST_P(CvtColor, BGR2XYZ) { performTest(3, 3, CVTCODE(BGR2XYZ), IPP_EPS); }
  OCL_TEST_P(CvtColor, RGBA2XYZ) { performTest(4, 3, CVTCODE(RGB2XYZ), IPP_EPS); }
  OCL_TEST_P(CvtColor, BGRA2XYZ) { performTest(4, 3, CVTCODE(BGR2XYZ), IPP_EPS); }
  
  OCL_TEST_P(CvtColor, XYZ2RGB) { performTest(3, 3, CVTCODE(XYZ2RGB), IPP_EPS); }
  OCL_TEST_P(CvtColor, XYZ2BGR) { performTest(3, 3, CVTCODE(XYZ2BGR), IPP_EPS); }
  OCL_TEST_P(CvtColor, XYZ2RGBA) { performTest(3, 4, CVTCODE(XYZ2RGB), IPP_EPS); }
  OCL_TEST_P(CvtColor, XYZ2BGRA) { performTest(3, 4, CVTCODE(XYZ2BGR), IPP_EPS); }
  
  #undef IPP_EPS
  
  // RGB <-> HSV
  
  #if IPP_VERSION_X100 > 0
  #define IPP_EPS depth <= CV_32S ? 1 : 4e-5
  #else
  #define IPP_EPS 1e-3
  #endif
  
  typedef CvtColor CvtColor8u32f;
  
  OCL_TEST_P(CvtColor8u32f, RGB2HSV) { performTest(3, 3, CVTCODE(RGB2HSV), IPP_EPS); }
  OCL_TEST_P(CvtColor8u32f, BGR2HSV) { performTest(3, 3, CVTCODE(BGR2HSV), IPP_EPS); }
  OCL_TEST_P(CvtColor8u32f, RGBA2HSV) { performTest(4, 3, CVTCODE(RGB2HSV), IPP_EPS); }
  OCL_TEST_P(CvtColor8u32f, BGRA2HSV) { performTest(4, 3, CVTCODE(BGR2HSV), IPP_EPS); }
  
  OCL_TEST_P(CvtColor8u32f, RGB2HSV_FULL) { performTest(3, 3, CVTCODE(RGB2HSV_FULL), IPP_EPS); }
  OCL_TEST_P(CvtColor8u32f, BGR2HSV_FULL) { performTest(3, 3, CVTCODE(BGR2HSV_FULL), IPP_EPS); }
  OCL_TEST_P(CvtColor8u32f, RGBA2HSV_FULL) { performTest(4, 3, CVTCODE(RGB2HSV_FULL), IPP_EPS); }
  OCL_TEST_P(CvtColor8u32f, BGRA2HSV_FULL) { performTest(4, 3, CVTCODE(BGR2HSV_FULL), IPP_EPS); }
  
  #undef IPP_EPS
  
  OCL_TEST_P(CvtColor8u32f, HSV2RGB) { performTest(3, 3, CVTCODE(HSV2RGB), depth == CV_8U ? 1 : 4e-1); }
  OCL_TEST_P(CvtColor8u32f, HSV2BGR) { performTest(3, 3, CVTCODE(HSV2BGR), depth == CV_8U ? 1 : 4e-1); }
  OCL_TEST_P(CvtColor8u32f, HSV2RGBA) { performTest(3, 4, CVTCODE(HSV2RGB), depth == CV_8U ? 1 : 4e-1); }
  OCL_TEST_P(CvtColor8u32f, HSV2BGRA) { performTest(3, 4, CVTCODE(HSV2BGR), depth == CV_8U ? 1 : 4e-1); }
  
  OCL_TEST_P(CvtColor8u32f, HSV2RGB_FULL) { performTest(3, 3, CVTCODE(HSV2RGB_FULL), depth == CV_8U ? 1 : 4e-1); }
  OCL_TEST_P(CvtColor8u32f, HSV2BGR_FULL) { performTest(3, 3, CVTCODE(HSV2BGR_FULL), depth == CV_8U ? 1 : 4e-1); }
  OCL_TEST_P(CvtColor8u32f, HSV2RGBA_FULL) { performTest(3, 4, CVTCODE(HSV2BGR_FULL), depth == CV_8U ? 1 : 4e-1); }
  OCL_TEST_P(CvtColor8u32f, HSV2BGRA_FULL) { performTest(3, 4, CVTCODE(HSV2BGR_FULL), depth == CV_8U ? 1 : 4e-1); }
  
  // RGB <-> HLS
  
  #if IPP_VERSION_X100 > 0
  #define IPP_EPS depth == CV_8U ? 2 : 1e-3
  #else
  #define IPP_EPS depth == CV_8U ? 1 : 1e-3
  #endif
  
  OCL_TEST_P(CvtColor8u32f, RGB2HLS) { performTest(3, 3, CVTCODE(RGB2HLS), depth == CV_8U ? 1 : 1e-3); }
  OCL_TEST_P(CvtColor8u32f, BGR2HLS) { performTest(3, 3, CVTCODE(BGR2HLS), depth == CV_8U ? 1 : 1e-3); }
  OCL_TEST_P(CvtColor8u32f, RGBA2HLS) { performTest(4, 3, CVTCODE(RGB2HLS), depth == CV_8U ? 1 : 1e-3); }
  OCL_TEST_P(CvtColor8u32f, BGRA2HLS) { performTest(4, 3, CVTCODE(BGR2HLS), depth == CV_8U ? 1 : 1e-3); }
  
  OCL_TEST_P(CvtColor8u32f, RGB2HLS_FULL) { performTest(3, 3, CVTCODE(RGB2HLS_FULL), IPP_EPS); }
  OCL_TEST_P(CvtColor8u32f, BGR2HLS_FULL) { performTest(3, 3, CVTCODE(BGR2HLS_FULL), IPP_EPS); }
  OCL_TEST_P(CvtColor8u32f, RGBA2HLS_FULL) { performTest(4, 3, CVTCODE(RGB2HLS_FULL), IPP_EPS); }
  OCL_TEST_P(CvtColor8u32f, BGRA2HLS_FULL) { performTest(4, 3, CVTCODE(BGR2HLS_FULL), IPP_EPS); }
  
  OCL_TEST_P(CvtColor8u32f, HLS2RGB) { performTest(3, 3, CVTCODE(HLS2RGB), 1); }
  OCL_TEST_P(CvtColor8u32f, HLS2BGR) { performTest(3, 3, CVTCODE(HLS2BGR), 1); }
  OCL_TEST_P(CvtColor8u32f, HLS2RGBA) { performTest(3, 4, CVTCODE(HLS2RGB), 1); }
  OCL_TEST_P(CvtColor8u32f, HLS2BGRA) { performTest(3, 4, CVTCODE(HLS2BGR), 1); }
  
  OCL_TEST_P(CvtColor8u32f, HLS2RGB_FULL) { performTest(3, 3, CVTCODE(HLS2RGB_FULL), 1); }
  OCL_TEST_P(CvtColor8u32f, HLS2BGR_FULL) { performTest(3, 3, CVTCODE(HLS2BGR_FULL), 1); }
  OCL_TEST_P(CvtColor8u32f, HLS2RGBA_FULL) { performTest(3, 4, CVTCODE(HLS2RGB_FULL), 1); }
  OCL_TEST_P(CvtColor8u32f, HLS2BGRA_FULL) { performTest(3, 4, CVTCODE(HLS2BGR_FULL), 1); }
  
  #undef IPP_EPS
  
  // RGB5x5 <-> RGB
  
  typedef CvtColor CvtColor8u;
  
  OCL_TEST_P(CvtColor8u, BGR5652BGR) { performTest(2, 3, CVTCODE(BGR5652BGR)); }
  OCL_TEST_P(CvtColor8u, BGR5652RGB) { performTest(2, 3, CVTCODE(BGR5652RGB)); }
  OCL_TEST_P(CvtColor8u, BGR5652BGRA) { performTest(2, 4, CVTCODE(BGR5652BGRA)); }
  OCL_TEST_P(CvtColor8u, BGR5652RGBA) { performTest(2, 4, CVTCODE(BGR5652RGBA)); }
  
  OCL_TEST_P(CvtColor8u, BGR5552BGR) { performTest(2, 3, CVTCODE(BGR5552BGR)); }
  OCL_TEST_P(CvtColor8u, BGR5552RGB) { performTest(2, 3, CVTCODE(BGR5552RGB)); }
  OCL_TEST_P(CvtColor8u, BGR5552BGRA) { performTest(2, 4, CVTCODE(BGR5552BGRA)); }
  OCL_TEST_P(CvtColor8u, BGR5552RGBA) { performTest(2, 4, CVTCODE(BGR5552RGBA)); }
  
  OCL_TEST_P(CvtColor8u, BGR2BGR565) { performTest(3, 2, CVTCODE(BGR2BGR565)); }
  OCL_TEST_P(CvtColor8u, RGB2BGR565) { performTest(3, 2, CVTCODE(RGB2BGR565)); }
  OCL_TEST_P(CvtColor8u, BGRA2BGR565) { performTest(4, 2, CVTCODE(BGRA2BGR565)); }
  OCL_TEST_P(CvtColor8u, RGBA2BGR565) { performTest(4, 2, CVTCODE(RGBA2BGR565)); }
  
  OCL_TEST_P(CvtColor8u, BGR2BGR555) { performTest(3, 2, CVTCODE(BGR2BGR555)); }
  OCL_TEST_P(CvtColor8u, RGB2BGR555) { performTest(3, 2, CVTCODE(RGB2BGR555)); }
  OCL_TEST_P(CvtColor8u, BGRA2BGR555) { performTest(4, 2, CVTCODE(BGRA2BGR555)); }
  OCL_TEST_P(CvtColor8u, RGBA2BGR555) { performTest(4, 2, CVTCODE(RGBA2BGR555)); }
  
  // RGB5x5 <-> Gray
  
  OCL_TEST_P(CvtColor8u, BGR5652GRAY) { performTest(2, 1, CVTCODE(BGR5652GRAY)); }
  OCL_TEST_P(CvtColor8u, BGR5552GRAY) { performTest(2, 1, CVTCODE(BGR5552GRAY)); }
  
  OCL_TEST_P(CvtColor8u, GRAY2BGR565) { performTest(1, 2, CVTCODE(GRAY2BGR565)); }
  OCL_TEST_P(CvtColor8u, GRAY2BGR555) { performTest(1, 2, CVTCODE(GRAY2BGR555)); }
  
  // RGBA <-> mRGBA
  
  #if IPP_VERSION_X100 > 0
  #define IPP_EPS depth <= CV_32S ? 1 : 1e-3
  #else
  #define IPP_EPS 1e-3
  #endif
  
  OCL_TEST_P(CvtColor8u, RGBA2mRGBA) { performTest(4, 4, CVTCODE(RGBA2mRGBA), IPP_EPS); }
  OCL_TEST_P(CvtColor8u, mRGBA2RGBA) { performTest(4, 4, CVTCODE(mRGBA2RGBA)); }
  
  // RGB <-> Lab
  
  OCL_TEST_P(CvtColor8u32f, BGR2Lab) { performTest(3, 3, CVTCODE(BGR2Lab)); }
  OCL_TEST_P(CvtColor8u32f, RGB2Lab) { performTest(3, 3, CVTCODE(RGB2Lab)); }
  OCL_TEST_P(CvtColor8u32f, LBGR2Lab) { performTest(3, 3, CVTCODE(LBGR2Lab), IPP_EPS); }
  OCL_TEST_P(CvtColor8u32f, LRGB2Lab) { performTest(3, 3, CVTCODE(LRGB2Lab), IPP_EPS); }
  OCL_TEST_P(CvtColor8u32f, BGRA2Lab) { performTest(4, 3, CVTCODE(BGR2Lab)); }
  OCL_TEST_P(CvtColor8u32f, RGBA2Lab) { performTest(4, 3, CVTCODE(RGB2Lab)); }
  OCL_TEST_P(CvtColor8u32f, LBGRA2Lab) { performTest(4, 3, CVTCODE(LBGR2Lab), IPP_EPS); }
  OCL_TEST_P(CvtColor8u32f, LRGBA2Lab) { performTest(4, 3, CVTCODE(LRGB2Lab), IPP_EPS); }
  
  #undef IPP_EPS
  
  OCL_TEST_P(CvtColor8u32f, Lab2BGR) { performTest(3, 3, CVTCODE(Lab2BGR), depth == CV_8U ? 1 : 1e-5); }
  OCL_TEST_P(CvtColor8u32f, Lab2RGB) { performTest(3, 3, CVTCODE(Lab2RGB), depth == CV_8U ? 1 : 1e-5); }
  OCL_TEST_P(CvtColor8u32f, Lab2LBGR) { performTest(3, 3, CVTCODE(Lab2LBGR), depth == CV_8U ? 1 : 1e-5); }
  OCL_TEST_P(CvtColor8u32f, Lab2LRGB) { performTest(3, 3, CVTCODE(Lab2LRGB), depth == CV_8U ? 1 : 1e-5); }
  OCL_TEST_P(CvtColor8u32f, Lab2BGRA) { performTest(3, 4, CVTCODE(Lab2BGR), depth == CV_8U ? 1 : 1e-5); }
  OCL_TEST_P(CvtColor8u32f, Lab2RGBA) { performTest(3, 4, CVTCODE(Lab2RGB), depth == CV_8U ? 1 : 1e-5); }
  OCL_TEST_P(CvtColor8u32f, Lab2LBGRA) { performTest(3, 4, CVTCODE(Lab2LBGR), depth == CV_8U ? 1 : 1e-5); }
  OCL_TEST_P(CvtColor8u32f, Lab2LRGBA) { performTest(3, 4, CVTCODE(Lab2LRGB), depth == CV_8U ? 1 : 1e-5); }
  
  // RGB -> Luv
  
  OCL_TEST_P(CvtColor8u32f, BGR2Luv) { performTest(3, 3, CVTCODE(BGR2Luv), depth == CV_8U ? 1 : 1e-2); }
  OCL_TEST_P(CvtColor8u32f, RGB2Luv) { performTest(3, 3, CVTCODE(RGB2Luv), depth == CV_8U ? 1 : 1e-2); }
  OCL_TEST_P(CvtColor8u32f, LBGR2Luv) { performTest(3, 3, CVTCODE(LBGR2Luv), depth == CV_8U ? 1 : 4e-3); }
  OCL_TEST_P(CvtColor8u32f, LRGB2Luv) { performTest(3, 3, CVTCODE(LRGB2Luv), depth == CV_8U ? 1 : 5e-3); }
  OCL_TEST_P(CvtColor8u32f, BGRA2Luv) { performTest(4, 3, CVTCODE(BGR2Luv), depth == CV_8U ? 1 : 8e-3); }
  OCL_TEST_P(CvtColor8u32f, RGBA2Luv) { performTest(4, 3, CVTCODE(RGB2Luv), depth == CV_8U ? 1 : 9e-3); }
  OCL_TEST_P(CvtColor8u32f, LBGRA2Luv) { performTest(4, 3, CVTCODE(LBGR2Luv), depth == CV_8U ? 1 : 5e-3); }
  OCL_TEST_P(CvtColor8u32f, LRGBA2Luv) { performTest(4, 3, CVTCODE(LRGB2Luv), depth == CV_8U ? 1 : 5e-3); }
  
  OCL_TEST_P(CvtColor8u32f, Luv2BGR) { performTest(3, 3, CVTCODE(Luv2BGR), depth == CV_8U ? 1 : 7e-5); }
  OCL_TEST_P(CvtColor8u32f, Luv2RGB) { performTest(3, 3, CVTCODE(Luv2RGB), depth == CV_8U ? 1 : 7e-5); }
  OCL_TEST_P(CvtColor8u32f, Luv2LBGR) { performTest(3, 3, CVTCODE(Luv2LBGR), depth == CV_8U ? 1 : 1e-5); }
  OCL_TEST_P(CvtColor8u32f, Luv2LRGB) { performTest(3, 3, CVTCODE(Luv2LRGB), depth == CV_8U ? 1 : 1e-5); }
  OCL_TEST_P(CvtColor8u32f, Luv2BGRA) { performTest(3, 4, CVTCODE(Luv2BGR), depth == CV_8U ? 1 : 7e-5); }
  OCL_TEST_P(CvtColor8u32f, Luv2RGBA) { performTest(3, 4, CVTCODE(Luv2RGB), depth == CV_8U ? 1 : 7e-5); }
  OCL_TEST_P(CvtColor8u32f, Luv2LBGRA) { performTest(3, 4, CVTCODE(Luv2LBGR), depth == CV_8U ? 1 : 1e-5); }
  OCL_TEST_P(CvtColor8u32f, Luv2LRGBA) { performTest(3, 4, CVTCODE(Luv2LRGB), depth == CV_8U ? 1 : 1e-5); }
  
  // YUV -> RGBA_NV12
  
  struct CvtColor_YUV420 :
          public CvtColor
  {
      void generateTestData(int channelsIn, int channelsOut)
      {
          const int srcType = CV_MAKE_TYPE(depth, channelsIn);
          const int dstType = CV_MAKE_TYPE(depth, channelsOut);
  
          Size roiSize = randomSize(1, MAX_VALUE);
          roiSize.width *= 2;
          roiSize.height *= 3;
          Border srcBorder = randomBorder(0, use_roi ? MAX_VALUE : 0);
          randomSubMat(src, src_roi, roiSize, srcBorder, srcType, 2, 100);
  
          Border dstBorder = randomBorder(0, use_roi ? MAX_VALUE : 0);
          randomSubMat(dst, dst_roi, roiSize, dstBorder, dstType, 5, 16);
  
          UMAT_UPLOAD_INPUT_PARAMETER(src);
          UMAT_UPLOAD_OUTPUT_PARAMETER(dst);
      }
  };
  
  OCL_TEST_P(CvtColor_YUV420, YUV2RGBA_NV12) { performTest(1, 4, COLOR_YUV2RGBA_NV12); }
  OCL_TEST_P(CvtColor_YUV420, YUV2BGRA_NV12) { performTest(1, 4, COLOR_YUV2BGRA_NV12); }
  OCL_TEST_P(CvtColor_YUV420, YUV2RGB_NV12) { performTest(1, 3, COLOR_YUV2RGB_NV12); }
  OCL_TEST_P(CvtColor_YUV420, YUV2BGR_NV12) { performTest(1, 3, COLOR_YUV2BGR_NV12); }
  
  
  OCL_INSTANTIATE_TEST_CASE_P(ImgProc, CvtColor8u,
                              testing::Combine(testing::Values(MatDepth(CV_8U)), Bool()));
  
  OCL_INSTANTIATE_TEST_CASE_P(ImgProc, CvtColor8u32f,
                              testing::Combine(testing::Values(MatDepth(CV_8U), MatDepth(CV_32F)), Bool()));
  
  OCL_INSTANTIATE_TEST_CASE_P(ImgProc, CvtColor,
                              testing::Combine(
                                  testing::Values(MatDepth(CV_8U), MatDepth(CV_16U), MatDepth(CV_32F)),
                                  Bool()));
  
  OCL_INSTANTIATE_TEST_CASE_P(ImgProc, CvtColor_YUV420,
                              testing::Combine(
                                  testing::Values(MatDepth(CV_8U)),
                                  Bool()));
  
  } } // namespace cvtest::ocl
  
  #endif
  