From 1b5903a7198794743a1546cef9228c122d3344e3 Mon Sep 17 00:00:00 2001
From: Alexander Kapustin <alexander.kapustin@itseez.com>
Date: Fri, 24 Aug 2012 14:36:16 +0400
Subject: [PATCH] Laplacian tegra optimized was added

---
 modules/imgproc/src/deriv.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/modules/imgproc/src/deriv.cpp b/modules/imgproc/src/deriv.cpp
index 8703cf7cd5..94f2e67a34 100644
--- a/modules/imgproc/src/deriv.cpp
+++ b/modules/imgproc/src/deriv.cpp
@@ -561,6 +561,18 @@ void cv::Laplacian( InputArray _src, OutputArray _dst, int ddepth, int ksize,
     _dst.create( src.size(), CV_MAKETYPE(ddepth, src.channels()) );
     Mat dst = _dst.getMat();
     
+#ifdef HAVE_TEGRA_OPTIMIZATION
+    if (scale == 1.0 && delta == 0)
+    {
+		if (ksize == 1 && tegra::laplace1(src, dst, borderType))
+            return;
+		if (ksize == 3 && tegra::laplace3(src, dst, borderType))
+            return;
+		if (ksize == 5 && tegra::laplace5(src, dst, borderType))
+            return;
+    }
+#endif
+    
     if( ksize == 1 || ksize == 3 )
     {
         float K[2][9] =