add HAL for BoxFilter

modules/imgproc/src/hal_replacement.hpp

@@ -664,6 +664,25 @@ inline int hal_ni_threshold(const uchar* src_data, size_t src_step, uchar* dst_d
 #define cv_hal_threshold hal_ni_threshold
 //! @endcond
 
+/**
+   @brief Calculate box filter
+   @param src_depth, dst_depth Depths of source and destination image
+   @param src_data, src_step Source image
+   @param dst_data, dst_step Destination image
+   @param ksize Size of kernel
+   @param anchor Anchor point
+   @param normalize If true then result is normalized
+   @param border_type Border type
+   @param margins Margins for source image
+   @param width, height Source image dimensions
+   @param cn Number of channels
+*/
+inline int hal_ni_boxFilter(int src_depth, int dst_depth, const uchar* src_data, size_t src_step, uchar* dst_data, size_t dst_step, CvSize ksize, CvPoint anchor, bool normalize, int border_type, CvRect margins, int width, int height, int cn) { return CV_HAL_ERROR_NOT_IMPLEMENTED; }
+
+//! @cond IGNORED
+#define cv_hal_boxFilter hal_ni_boxFilter
+//! @endcond
+
 //! @}
 
 #if defined __GNUC__

modules/imgproc/src/smooth.cpp

@@ -1552,12 +1552,6 @@ void cv::boxFilter( InputArray _src, OutputArray _dst, int ddepth,
         if( src.cols == 1 )
             ksize.width = 1;
     }
-#ifdef HAVE_TEGRA_OPTIMIZATION
-    if ( tegra::useTegra() && tegra::box(src, dst, ksize, anchor, normalize, borderType) )
-        return;
-#endif
-
-    CV_IPP_RUN_FAST(ipp_boxfilter(src, dst, ksize, anchor, normalize, borderType));
 
     Point ofs;
     Size wsz(src.cols, src.rows);
@@ -1565,6 +1559,18 @@ void cv::boxFilter( InputArray _src, OutputArray _dst, int ddepth,
         src.locateROI( wsz, ofs );
     borderType = (borderType&~BORDER_ISOLATED);
 
+    CvRect margin = cvRect(ofs.x, ofs.y, wsz.width - src.cols - ofs.x, wsz.height - src.rows - ofs.y);
+
+    CALL_HAL(boxFilter, cv_hal_boxFilter, sdepth, ddepth, src.ptr(), src.step, dst.ptr(), dst.step,
+             (CvSize)(ksize), (CvPoint)(anchor), normalize, borderType, margin, src.cols, src.rows, cn);
+
+#ifdef HAVE_TEGRA_OPTIMIZATION
+    if ( tegra::useTegra() && tegra::box(src, dst, ksize, anchor, normalize, borderType) )
+        return;
+#endif
+
+    CV_IPP_RUN_FAST(ipp_boxfilter(src, dst, ksize, anchor, normalize, borderType));
+
     Ptr<FilterEngine> f = createBoxFilter( src.type(), dst.type(),
                         ksize, anchor, normalize, borderType );