Tegra optimization for image filtering

modules/imgproc/src/filter.cpp

@@ -3010,6 +3010,11 @@ void cv::filter2D( InputArray _src, OutputArray _dst, int ddepth,
     Mat dst = _dst.getMat();
     anchor = normalizeAnchor(anchor, kernel.size());
 
+#ifdef HAVE_TEGRA_OPTIMIZATION
+    if( tegra::filter2D(src, dst, kernel, anchor, delta, borderType) )
+        return;
+#endif
+
     if( kernel.cols*kernel.rows >= dft_filter_size )
     {
         Mat temp;

modules/imgproc/src/smooth.cpp

@@ -311,6 +311,12 @@ void cv::boxFilter( InputArray _src, OutputArray _dst, int ddepth,
         if( src.cols == 1 )
             ksize.width = 1;
     }
+
+#ifdef HAVE_TEGRA_OPTIMIZATION
+    if ( tegra::boxFilter(src, dst, ksize, anchor, normalize, borderType) )
+        return;
+#endif
+
     Ptr<FilterEngine> f = createBoxFilter( src.type(), dst.type(),
                         ksize, anchor, normalize, borderType );
     f->apply( src, dst );