From b369c456f2dc2cc4ca9addbd182cafa7cdd6a70f Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Fri, 6 Dec 2019 13:25:51 +0300
Subject: [PATCH] imgproc(color): clarify error message

---
 modules/imgproc/src/color.hpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/modules/imgproc/src/color.hpp b/modules/imgproc/src/color.hpp
index 8c1f19fa8a..e4a5052892 100644
--- a/modules/imgproc/src/color.hpp
+++ b/modules/imgproc/src/color.hpp
@@ -224,7 +224,10 @@ struct OclHelper
         int scn = src.channels();
         int depth = src.depth();
 
-        CV_Assert( VScn::contains(scn) && VDcn::contains(dcn) && VDepth::contains(depth) );
+        CV_Check(scn, VScn::contains(scn), "Invalid number of channels in input image");
+        CV_Check(dcn, VDcn::contains(dcn), "Invalid number of channels in output image");
+        CV_CheckDepth(depth, VDepth::contains(depth), "Unsupported depth of input image");
+
         switch (sizePolicy)
         {
         case TO_YUV: