extended performance test

modules/imgproc/perf/opencl/perf_color.cpp

@@ -58,7 +58,8 @@ using std::tr1::make_tuple;
 
 CV_ENUM(ConversionTypes, COLOR_RGB2GRAY, COLOR_RGB2BGR, COLOR_RGB2YUV, COLOR_YUV2RGB, COLOR_RGB2YCrCb,
         COLOR_YCrCb2RGB, COLOR_RGB2XYZ, COLOR_XYZ2RGB, COLOR_RGB2HSV, COLOR_HSV2RGB, COLOR_RGB2HLS,
-        COLOR_HLS2RGB, COLOR_BGR5652BGR, COLOR_BGR2BGR565, COLOR_RGBA2mRGBA, COLOR_mRGBA2RGBA, COLOR_YUV2RGB_NV12)
+        COLOR_HLS2RGB, COLOR_BGR5652BGR, COLOR_BGR2BGR565, COLOR_RGBA2mRGBA, COLOR_mRGBA2RGBA, COLOR_YUV2RGB_NV12,
+        COLOR_RGB2Lab, COLOR_Lab2BGR)
 
 typedef tuple<Size, tuple<ConversionTypes, int, int> > CvtColorParams;
 typedef TestBaseWithParam<CvtColorParams> CvtColorFixture;
@@ -82,7 +83,9 @@ OCL_PERF_TEST_P(CvtColorFixture, CvtColor, testing::Combine(
                     make_tuple(ConversionTypes(COLOR_BGR2BGR565), 3, 2),
                     make_tuple(ConversionTypes(COLOR_RGBA2mRGBA), 4, 4),
                     make_tuple(ConversionTypes(COLOR_mRGBA2RGBA), 4, 4),
-                    make_tuple(ConversionTypes(COLOR_YUV2RGB_NV12), 1, 3)
+                    make_tuple(ConversionTypes(COLOR_YUV2RGB_NV12), 1, 3),
+                    make_tuple(ConversionTypes(COLOR_RGB2Lab), 3, 3),
+                    make_tuple(ConversionTypes(COLOR_Lab2BGR), 3, 4)
                     )))
 {
     CvtColorParams params = GetParam();

modules/imgproc/src/color.cpp

@@ -3158,7 +3158,7 @@ static bool ocl_cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
                 coeffs[i+bidx*3] = _coeffs[i+6]*_whitept[i];
             }
 
-            Mat(1, 9, CV_32SC1, coeffs).copyTo(ucoeffs);
+            Mat(1, 9, CV_32FC1, coeffs).copyTo(ucoeffs);
         }
 
         _dst.create(sz, CV_MAKETYPE(depth, dcn));