diff --git a/modules/imgproc/src/color.cpp b/modules/imgproc/src/color.cpp
index 0d0cf82306..0cbfb381b3 100644
--- a/modules/imgproc/src/color.cpp
+++ b/modules/imgproc/src/color.cpp
@@ -2691,7 +2691,7 @@ struct mRGBA2RGBA
 
 static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
 {
-    bool ok = true;
+    bool ok = false;
     UMat src = _src.getUMat(), dst;
     Size sz = src.size(), dstSz = sz;
     int scn = src.channels(), depth = src.depth(), bidx;
@@ -2729,7 +2729,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
         CV_Assert(scn == 1);
         dcn = code == COLOR_GRAY2BGRA ? 4 : 3;
         k.create("Gray2RGB", ocl::imgproc::cvtcolor_oclsrc,
-                 format("-D depth=%d -D scn=1 -D dcn=%d", depth, dcn));
+                 format("-D depth=%d -D bidx=0 -D scn=1 -D dcn=%d", depth, dcn));
         break;
     }
     case COLOR_BGR2YUV:
@@ -2763,9 +2763,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
         bidx = code == COLOR_YUV2BGRA_NV12 || code == COLOR_YUV2BGR_NV12 ? 0 : 2;
 
         dstSz = Size(sz.width, sz.height * 2 / 3);
-        globalsize[0] = dstSz.height/2;
-        globalsize[1] = dstSz.width/2;
-        k.create("YUV2RGBA_NV12", ocl::imgproc::cvtcolor_oclsrc,
+        k.create("YUV2RGB_NV12", ocl::imgproc::cvtcolor_oclsrc,
                  format("-D depth=0 -D scn=1 -D dcn=%d -D bidx=%d", dcn, bidx));
         break;
     }
diff --git a/modules/imgproc/src/opencl/cvtcolor.cl b/modules/imgproc/src/opencl/cvtcolor.cl
index 9e187f525c..06ff7d4e58 100644
--- a/modules/imgproc/src/opencl/cvtcolor.cl
+++ b/modules/imgproc/src/opencl/cvtcolor.cl
@@ -208,19 +208,19 @@ __constant int ITUR_BT_601_CVG = 852492;
 __constant int ITUR_BT_601_CVR = 1673527;
 __constant int ITUR_BT_601_SHIFT = 20;
 
-__kernel void YUV2RGBA_NV12(__global const uchar* srcptr, int srcstep, int srcoffset,
+__kernel void YUV2RGB_NV12(__global const uchar* srcptr, int srcstep, int srcoffset,
                             __global uchar* dstptr, int dststep, int dstoffset,
                             int rows, int cols)
 {
-    const int x = get_global_id(0); // max_x = width / 2
-    const int y = get_global_id(1); // max_y = height/ 2
+    int x = get_global_id(0);
+    int y = get_global_id(1);
 
     if (y < rows / 2 && x < cols / 2 )
     {
-        __global const uchar* ysrc = (__global const uchar*)(srcptr + mad24(y << 1, srcstep, (x << 1) + srcoffset));
-        __global const uchar* usrc = (__global const uchar*)(srcptr + mad24(rows + y, srcstep, (x << 1) + srcoffset));
-        __global uchar*       dst1 = (__global uchar*)(dstptr + mad24(y << 1, dststep, x*(dcn*2) + dstoffset));
-        __global uchar*       dst2 = (__global uchar*)(dstptr + mad24((y << 1) + 1, dststep, x*(dcn*2) + dstoffset));
+        __global const uchar* ysrc = srcptr + mad24(y << 1, srcstep, (x << 1) + srcoffset);
+        __global const uchar* usrc = srcptr + mad24(rows + y, srcstep, (x << 1) + srcoffset);
+        __global uchar*       dst1 = dstptr + mad24(y << 1, dststep, x * (dcn<<1) + dstoffset);
+        __global uchar*       dst2 = dstptr + mad24((y << 1) + 1, dststep, x * (dcn<<1) + dstoffset);
 
         int Y1 = ysrc[0];
         int Y2 = ysrc[1];
@@ -243,7 +243,7 @@ __kernel void YUV2RGBA_NV12(__global const uchar* srcptr, int srcstep, int srcof
 #endif
 
         Y2 = max(0, Y2 - 16) * ITUR_BT_601_CY;
-        dst1[(dcn + 2) - bidx] = convert_uchar_sat((Y2 + ruv) >> ITUR_BT_601_SHIFT);
+        dst1[dcn + 2 - bidx] = convert_uchar_sat((Y2 + ruv) >> ITUR_BT_601_SHIFT);
         dst1[dcn + 1]        = convert_uchar_sat((Y2 + guv) >> ITUR_BT_601_SHIFT);
         dst1[dcn + bidx] = convert_uchar_sat((Y2 + buv) >> ITUR_BT_601_SHIFT);
 #if dcn == 4
@@ -259,7 +259,7 @@ __kernel void YUV2RGBA_NV12(__global const uchar* srcptr, int srcstep, int srcof
 #endif
 
         Y4 = max(0, Y4 - 16) * ITUR_BT_601_CY;
-        dst2[(dcn + 2) - bidx] = convert_uchar_sat((Y4 + ruv) >> ITUR_BT_601_SHIFT);
+        dst2[dcn + 2 - bidx] = convert_uchar_sat((Y4 + ruv) >> ITUR_BT_601_SHIFT);
         dst2[dcn + 1]        = convert_uchar_sat((Y4 + guv) >> ITUR_BT_601_SHIFT);
         dst2[dcn + bidx] = convert_uchar_sat((Y4 + buv) >> ITUR_BT_601_SHIFT);
 #if dcn == 4
@@ -268,7 +268,7 @@ __kernel void YUV2RGBA_NV12(__global const uchar* srcptr, int srcstep, int srcof
     }
 }
 
-///////////////////////////////////// RGB <-> YUV //////////////////////////////////////
+///////////////////////////////////// RGB -> YCrCb //////////////////////////////////////
 
 __constant float c_RGB2YCrCbCoeffs_f[5] = {0.299f, 0.587f, 0.114f, 0.713f, 0.564f};
 __constant int   c_RGB2YCrCbCoeffs_i[5] = {R2Y, G2Y, B2Y, 11682, 9241};
@@ -288,15 +288,15 @@ __kernel void RGB2YCrCb(__global const uchar* srcptr, int srcstep, int srcoffset
 
 #ifdef DEPTH_5
         __constant float * coeffs = c_RGB2YCrCbCoeffs_f;
-        const DATA_TYPE Y  = b * coeffs[0] + g * coeffs[1] + r * coeffs[2];
-        const DATA_TYPE Cr = (r - Y) * coeffs[3] + HALF_MAX;
-        const DATA_TYPE Cb = (b - Y) * coeffs[4] + HALF_MAX;
+        DATA_TYPE Y = b * coeffs[2] + g * coeffs[1] + r * coeffs[0];
+        DATA_TYPE Cr = (r - Y) * coeffs[3] + HALF_MAX;
+        DATA_TYPE Cb = (b - Y) * coeffs[4] + HALF_MAX;
 #else
         __constant int * coeffs = c_RGB2YCrCbCoeffs_i;
-        const int delta = HALF_MAX * (1 << yuv_shift);
-        const int Y =  CV_DESCALE(b * coeffs[0] + g * coeffs[1] + r * coeffs[2], yuv_shift);
-        const int Cr = CV_DESCALE((r - Y) * coeffs[3] + delta, yuv_shift);
-        const int Cb = CV_DESCALE((b - Y) * coeffs[4] + delta, yuv_shift);
+        int delta = HALF_MAX * (1 << yuv_shift);
+        int Y =  CV_DESCALE(b * coeffs[2] + g * coeffs[1] + r * coeffs[0], yuv_shift);
+        int Cr = CV_DESCALE((r - Y) * coeffs[3] + delta, yuv_shift);
+        int Cb = CV_DESCALE((b - Y) * coeffs[4] + delta, yuv_shift);
 #endif
 
         dst[0] = SAT_CAST( Y );
diff --git a/modules/imgproc/test/ocl/test_color.cpp b/modules/imgproc/test/ocl/test_color.cpp
new file mode 100644
index 0000000000..cef0c92396
--- /dev/null
+++ b/modules/imgproc/test/ocl/test_color.cpp
@@ -0,0 +1,301 @@
+/*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 "cvconfig.h"
+#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_PARATEMER(src)
+    TEST_DECLARE_OUTPUT_PARATEMER(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)
+    {
+        EXPECT_MAT_NEAR(dst_roi, udst_roi, threshold);
+        EXPECT_MAT_NEAR(dst, udst, 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
+
+//OCL_TEST_P(CvtColor, RGB2XYZ) { performTest(3, 3, CVTCODE(RGB2XYZ)); }
+//OCL_TEST_P(CvtColor, BGR2XYZ) { performTest(3, 3, CVTCODE(BGR2XYZ)); }
+//OCL_TEST_P(CvtColor, RGBA2XYZ) { performTest(4, 3, CVTCODE(RGB2XYZ)); }
+//OCL_TEST_P(CvtColor, BGRA2XYZ) { performTest(4, 3, CVTCODE(BGR2XYZ)); }
+
+//OCL_TEST_P(CvtColor, XYZ2RGB) { performTest(3, 3, CVTCODE(XYZ2RGB)); }
+//OCL_TEST_P(CvtColor, XYZ2BGR) { performTest(3, 3, CVTCODE(XYZ2BGR)); }
+//OCL_TEST_P(CvtColor, XYZ2RGBA) { performTest(3, 4, CVTCODE(XYZ2RGB)); }
+//OCL_TEST_P(CvtColor, XYZ2BGRA) { performTest(3, 4, CVTCODE(XYZ2BGR)); }
+
+// RGB <-> HSV
+
+//typedef CvtColor CvtColor8u32f;
+
+//OCL_TEST_P(CvtColor8u32f, RGB2HSV) { performTest(3, 3, CVTCODE(RGB2HSV)); }
+//OCL_TEST_P(CvtColor8u32f, BGR2HSV) { performTest(3, 3, CVTCODE(BGR2HSV)); }
+//OCL_TEST_P(CvtColor8u32f, RGBA2HSV) { performTest(4, 3, CVTCODE(RGB2HSV)); }
+//OCL_TEST_P(CvtColor8u32f, BGRA2HSV) { performTest(4, 3, CVTCODE(BGR2HSV)); }
+
+//OCL_TEST_P(CvtColor8u32f, RGB2HSV_FULL) { performTest(3, 3, CVTCODE(RGB2HSV_FULL)); }
+//OCL_TEST_P(CvtColor8u32f, BGR2HSV_FULL) { performTest(3, 3, CVTCODE(BGR2HSV_FULL)); }
+//OCL_TEST_P(CvtColor8u32f, RGBA2HSV_FULL) { performTest(4, 3, CVTCODE(RGB2HSV_FULL)); }
+//OCL_TEST_P(CvtColor8u32f, BGRA2HSV_FULL) { performTest(4, 3, CVTCODE(BGR2HSV_FULL)); }
+
+//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
+
+//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), depth == CV_8U ? 1 : 1e-3); }
+//OCL_TEST_P(CvtColor8u32f, BGR2HLS_FULL) { performTest(3, 3, CVTCODE(BGR2HLS_FULL), depth == CV_8U ? 1 : 1e-3); }
+//OCL_TEST_P(CvtColor8u32f, RGBA2HLS_FULL) { performTest(4, 3, CVTCODE(RGB2HLS_FULL), depth == CV_8U ? 1 : 1e-3); }
+//OCL_TEST_P(CvtColor8u32f, BGRA2HLS_FULL) { performTest(4, 3, CVTCODE(BGR2HLS_FULL), depth == CV_8U ? 1 : 1e-3); }
+
+//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); }
+
+// 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
+
+//OCL_TEST_P(CvtColor8u, RGBA2mRGBA) { performTest(4, 4, CVTCODE(RGBA2mRGBA)); }
+//OCL_TEST_P(CvtColor8u, mRGBA2RGBA) { performTest(4, 4, CVTCODE(mRGBA2RGBA)); }
+
+// 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