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cv:threshold optimization for Tegra

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This commit is contained in:
Andrey Kamaev 2011-05-12 15:22:55 +00:00
parent 138b9724d8
commit 058b761a46
2 changed files with 14 additions and 1 deletions
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4
modules/imgproc/src/precomp.hpp
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@ -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])

11
modules/imgproc/src/thresh.cpp
View File

@ -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: