From 3013b469fe72141840107d173485212a71c3e6d4 Mon Sep 17 00:00:00 2001
From: Vladimir Bystricky <vladimir.bystritsky@itseez.com>
Date: Fri, 6 Dec 2013 14:21:51 +0400
Subject: [PATCH] Add check for depths of destination and source image. Fix
 warning C4127.

---
 modules/imgproc/src/smooth.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/imgproc/src/smooth.cpp b/modules/imgproc/src/smooth.cpp
index 64780316c..7791a0279 100644
--- a/modules/imgproc/src/smooth.cpp
+++ b/modules/imgproc/src/smooth.cpp
@@ -714,7 +714,10 @@ static bool ocl_boxFilter( InputArray _src, OutputArray _dst, int ddepth,
         if (BLOCK_SIZE < kernelWorkGroupSize)
             return false;
         tryWorkItems = kernelWorkGroupSize;
+#pragma warning( push )
+#pragma warning( disable : 4127 )
     } while (true);
+#pragma warning( pop )
 
     _dst.create(sz, CV_MAKETYPE(ddepth, cn));
     UMat dst = _dst.getUMat();