From 058b761a4615464de286b60a7a0c47c4225a823a Mon Sep 17 00:00:00 2001
From: Andrey Kamaev <no@email>
Date: Thu, 12 May 2011 15:22:55 +0000
Subject: [PATCH] cv:threshold optimization for Tegra
---
modules/imgproc/src/precomp.hpp | 4 ++++
modules/imgproc/src/thresh.cpp | 11 ++++++++++-
2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/modules/imgproc/src/precomp.hpp b/modules/imgproc/src/precomp.hpp
index dbcfe2753..32f825bb7 100644
--- a/modules/imgproc/src/precomp.hpp
+++ b/modules/imgproc/src/precomp.hpp
@@ -63,6 +63,10 @@
#include <limits.h>
#include <float.h>
+#ifdef HAVE_TEGRA_OPTIMIZATION
+#include "opencv2/imgproc/imgproc_tegra.hpp"
+#endif
+
/* helper tables */
extern const uchar icvSaturate8u_cv[];
#define CV_FAST_CAST_8U(t) (assert(-256 <= (t) || (t) <= 512), icvSaturate8u_cv[(t)+256])
diff --git a/modules/imgproc/src/thresh.cpp b/modules/imgproc/src/thresh.cpp
index 2b0da3219..fdf92065b 100644
--- a/modules/imgproc/src/thresh.cpp
+++ b/modules/imgproc/src/thresh.cpp
@@ -58,7 +58,16 @@ thresh_8u( const Mat& _src, Mat& _dst, uchar thresh, uchar maxval, int type )
roi.width *= roi.height;
roi.height = 1;
}
-
+
+#ifdef HAVE_TEGRA_OPTIMIZATION
+#warning "TEGRA OPTIMIZED BINARY THRESHOLD (maxval == 255)"
+ if (type == THRESH_BINARY && maxval == 255)
+ {
+ if(tegra::thresh_8u_binary_256(_src, _dst, roi, thresh))
+ return;
+ }
+#endif
+
switch( type )
{
case THRESH_BINARY: