opencv/modules/cudev/include/opencv2/cudev/ptr2d/lut.hpp
2013-10-01 15:24:17 +04:00

101 lines
3.8 KiB
C++

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#pragma once
#ifndef __OPENCV_CUDEV_PTR2D_LUT_HPP__
#define __OPENCV_CUDEV_PTR2D_LUT_HPP__
#include "../common.hpp"
#include "../util/vec_traits.hpp"
#include "../grid/copy.hpp"
#include "traits.hpp"
#include "gpumat.hpp"
namespace cv { namespace cudev {
template <class SrcPtr, class TablePtr> struct LutPtr
{
typedef typename PtrTraits<TablePtr>::value_type value_type;
typedef typename PtrTraits<SrcPtr>::index_type index_type;
SrcPtr src;
TablePtr tbl;
__device__ __forceinline__ typename PtrTraits<TablePtr>::value_type operator ()(typename PtrTraits<SrcPtr>::index_type y, typename PtrTraits<SrcPtr>::index_type x) const
{
typedef typename PtrTraits<TablePtr>::index_type tbl_index_type;
return tbl(VecTraits<tbl_index_type>::all(0), src(y, x));
}
};
template <class SrcPtr, class TablePtr> struct LutPtrSz : LutPtr<SrcPtr, TablePtr>
{
int rows, cols;
template <typename T>
__host__ void assignTo(GpuMat_<T>& dst, Stream& stream = Stream::Null()) const
{
gridCopy(*this, dst, stream);
}
};
template <class SrcPtr, class TablePtr>
__host__ LutPtrSz<typename PtrTraits<SrcPtr>::ptr_type, typename PtrTraits<TablePtr>::ptr_type> lutPtr(const SrcPtr& src, const TablePtr& tbl)
{
LutPtrSz<typename PtrTraits<SrcPtr>::ptr_type, typename PtrTraits<TablePtr>::ptr_type> ptr;
ptr.src = shrinkPtr(src);
ptr.tbl = shrinkPtr(tbl);
ptr.rows = getRows(src);
ptr.cols = getCols(src);
return ptr;
}
template <class SrcPtr, class TablePtr> struct PtrTraits< LutPtrSz<SrcPtr, TablePtr> > : PtrTraitsBase<LutPtrSz<SrcPtr, TablePtr>, LutPtr<SrcPtr, TablePtr> >
{
};
}}
#endif