add hal for GaussianBlur

modules/imgproc/src/hal_replacement.hpp

@@ -666,23 +666,41 @@ inline int hal_ni_threshold(const uchar* src_data, size_t src_step, uchar* dst_d
 
 /**
    @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 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 width,height Source image dimensions
+   @param margins Margins for source 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; }
+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, int width, int height, int cn, CvRect margins, CvSize ksize, CvPoint anchor, bool normalize, int border_type) { return CV_HAL_ERROR_NOT_IMPLEMENTED; }
 
 //! @cond IGNORED
 #define cv_hal_boxFilter hal_ni_boxFilter
 //! @endcond
 
+/**
+   @brief Blurs an image using a Gaussian 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 width,height Source image dimensions
+   @param margins Margins for source image
+   @param ksize Size of kernel
+   @param sigmaX,sigmaY Gaussian kernel standard deviation.
+   @param border_type Border type
+   @param cn Number of channels
+*/
+inline int hal_ni_gaussianBlur(int depth, const uchar* src_data, size_t src_step, uchar* dst_data, size_t dst_step, int width, int height, int cn, CvRect margins, CvSize ksize, double sigmaX, double sigmaY, int border_type) { return CV_HAL_ERROR_NOT_IMPLEMENTED; }
+
+//! @cond IGNORED
+#define cv_hal_gaussianBlur hal_ni_gaussianBlur
+//! @endcond
+
 //! @}
 
 #if defined __GNUC__

modules/imgproc/src/smooth.cpp

@@ -1561,8 +1561,8 @@ void cv::boxFilter( InputArray _src, OutputArray _dst, int ddepth,
 
     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);
+    CALL_HAL(boxFilter, cv_hal_boxFilter, sdepth, ddepth, src.ptr(), src.step, dst.ptr(), dst.step, src.cols, src.rows, cn,
+             margin, (CvSize)(ksize), (CvPoint)(anchor), normalize, borderType);
 
 #ifdef HAVE_TEGRA_OPTIMIZATION
     if ( tegra::useTegra() && tegra::box(src, dst, ksize, anchor, normalize, borderType) )
@@ -2114,6 +2114,22 @@ void cv::GaussianBlur( InputArray _src, OutputArray _dst, Size ksize,
                _src.rows() > ksize.height && _src.cols() > ksize.width);
     (void)useOpenCL;
 
+    Mat src = _src.getMat();
+    Mat dst = _dst.getMat();
+
+    int sdepth = CV_MAT_DEPTH(type), cn = CV_MAT_CN(type);
+
+    Point ofs;
+    Size wsz(src.cols, src.rows);
+    if(!(borderType & BORDER_ISOLATED))
+        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(gaussianBlur, cv_hal_gaussianBlur, sdepth, src.ptr(), src.step, dst.ptr(), dst.step, src.cols, src.rows, cn,
+             margin, (CvSize)(ksize), sigma1, sigma2, borderType);
+
     CV_IPP_RUN(!useOpenCL, ipp_GaussianBlur( _src,  _dst,  ksize, sigma1,  sigma2, borderType));
 
     Mat kx, ky;