opencv/modules/cudev/include/opencv2/cudev/ptr2d/mask.hpp
2014-12-01 15:47:13 +03:00

109 lines
3.5 KiB
C++

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#pragma once
#ifndef __OPENCV_CUDEV_PTR2D_MASK_HPP__
#define __OPENCV_CUDEV_PTR2D_MASK_HPP__
#include "../common.hpp"
#include "traits.hpp"
namespace cv { namespace cudev {
//! @addtogroup cudev
//! @{
struct WithOutMask
{
typedef bool value_type;
typedef int index_type;
__device__ __forceinline__ bool operator ()(int, int) const
{
return true;
}
};
template <class MaskPtr> struct SingleMaskChannels
{
typedef typename PtrTraits<MaskPtr>::value_type value_type;
typedef typename PtrTraits<MaskPtr>::index_type index_type;
MaskPtr mask;
int channels;
__device__ __forceinline__ value_type operator()(index_type y, index_type x) const
{
return mask(y, x / channels);
}
};
template <class MaskPtr> struct SingleMaskChannelsSz : SingleMaskChannels<MaskPtr>
{
int rows, cols;
};
template <class MaskPtr>
__host__ SingleMaskChannelsSz<typename PtrTraits<MaskPtr>::ptr_type>
singleMaskChannels(const MaskPtr& mask, int channels)
{
SingleMaskChannelsSz<typename PtrTraits<MaskPtr>::ptr_type> ptr;
ptr.mask = shrinkPtr(mask);
ptr.channels = channels;
ptr.rows = getRows(mask);
ptr.cols = getCols(mask) * channels;
return ptr;
}
template <class MaskPtr> struct PtrTraits< SingleMaskChannelsSz<MaskPtr> > : PtrTraitsBase<SingleMaskChannelsSz<MaskPtr>, SingleMaskChannels<MaskPtr> >
{
};
//! @}
}}
#endif