From af6134b4b6d08d2ee2e1910d69f7948325a15d34 Mon Sep 17 00:00:00 2001
From: Vladimir Bystricky <vladimir.bystritsky@itseez.com>
Date: Thu, 5 Dec 2013 14:25:15 +0400
Subject: [PATCH] Fix issue in boxFilter with destination depth not equal to
 source depth.

---
 modules/imgproc/src/smooth.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/modules/imgproc/src/smooth.cpp b/modules/imgproc/src/smooth.cpp
index c310688..6478031 100644
--- a/modules/imgproc/src/smooth.cpp
+++ b/modules/imgproc/src/smooth.cpp
@@ -622,12 +622,14 @@ static bool ocl_boxFilter( InputArray _src, OutputArray _dst, int ddepth,
         return false;//TODO
 
     int sdepth = CV_MAT_DEPTH(type);
+    if( ddepth < 0 )
+        ddepth = sdepth;
+    else if (ddepth != sdepth)
+        return false;
     if( anchor.x < 0 )
         anchor.x = ksize.width / 2;
     if( anchor.y < 0 )
         anchor.y = ksize.height / 2;
-    if( ddepth < 0 )
-        ddepth = sdepth;
 
     ocl::Kernel kernel;
 
-- 
2.7.4