cv::cudev::GpuMat_< T > Class Template Reference

#include "gpumat.hpp"

Inheritance diagram for cv::cudev::GpuMat_< T >:

Collaboration diagram for cv::cudev::GpuMat_< T >:

Public Types
typedef T	value_type

Public Member Functions
__host__	GpuMat_ (Allocator *allocator=defaultAllocator())
	default constructor More...
__host__	GpuMat_ (int arows, int acols, Allocator *allocator=defaultAllocator())
	constructs GpuMat of the specified size More...
__host__	GpuMat_ (Size asize, Allocator *allocator=defaultAllocator())
__host__	GpuMat_ (int arows, int acols, Scalar val, Allocator *allocator=defaultAllocator())
	constucts GpuMat and fills it with the specified value More...
__host__	GpuMat_ (Size asize, Scalar val, Allocator *allocator=defaultAllocator())
__host__	GpuMat_ (const GpuMat_ &m)
	copy constructor More...
__host__	GpuMat_ (const GpuMat &m, Allocator *allocator=defaultAllocator())
	copy/conversion contructor. If m is of different type, it's converted More...
__host__	GpuMat_ (int arows, int acols, T *adata, size_t astep=Mat::AUTO_STEP)
	constructs a matrix on top of user-allocated data. step is in bytes(!!!), regardless of the type More...
__host__	GpuMat_ (Size asize, T *adata, size_t astep=Mat::AUTO_STEP)
__host__	GpuMat_ (const GpuMat_ &m, Range arowRange, Range acolRange)
	selects a submatrix More...
__host__	GpuMat_ (const GpuMat_ &m, Rect roi)
__host__	GpuMat_ (InputArray arr, Allocator *allocator=defaultAllocator())
	builds GpuMat from host memory (Blocking call) More...
template<class Body >
__host__	GpuMat_ (const Expr< Body > &expr)
	expression templates More...
__host__ GpuMat_ &	adjustROI (int dtop, int dbottom, int dleft, int dright)
template<class Body >
__host__ GpuMat_ &	assign (const Expr< Body > &expr, Stream &stream)
void	assignTo (GpuMat &m, int type=-1) const
__host__ int	channels () const
__host__ GpuMat_	clone () const
	overridden forms of GpuMat::row() etc. More...
__host__ GpuMat_	col (int x) const
__host__ GpuMat_	colRange (int startcol, int endcol) const
__host__ GpuMat_	colRange (Range r) const
void	convertTo (OutputArray dst, int rtype) const
	converts GpuMat to another datatype (Blocking call) More...
void	convertTo (OutputArray dst, int rtype, Stream &stream) const
	converts GpuMat to another datatype (Non-Blocking call) More...
void	convertTo (OutputArray dst, int rtype, double alpha, double beta=0.0) const
	converts GpuMat to another datatype with scaling (Blocking call) More...
void	convertTo (OutputArray dst, int rtype, double alpha, Stream &stream) const
	converts GpuMat to another datatype with scaling (Non-Blocking call) More...
void	convertTo (OutputArray dst, int rtype, double alpha, double beta, Stream &stream) const
	converts GpuMat to another datatype with scaling (Non-Blocking call) More...
void	copyTo (OutputArray dst) const
	copies the GpuMat content to device memory (Blocking call) More...
void	copyTo (OutputArray dst, Stream &stream) const
	copies the GpuMat content to device memory (Non-Blocking call) More...
void	copyTo (OutputArray dst, InputArray mask) const
	copies those GpuMat elements to "m" that are marked with non-zero mask elements (Blocking call) More...
void	copyTo (OutputArray dst, InputArray mask, Stream &stream) const
	copies those GpuMat elements to "m" that are marked with non-zero mask elements (Non-Blocking call) More...
__host__ void	create (int arows, int acols)
	allocates new GpuMat data unless the GpuMat already has specified size and type More...
__host__ void	create (Size asize)
void	create (int rows, int cols, int type)
	allocates new GpuMat data unless the GpuMat already has specified size and type More...
void	create (Size size, int type)
__host__ int	depth () const
void	download (OutputArray dst) const
	pefroms download data from device to host memory (Blocking call) More...
void	download (OutputArray dst, Stream &stream) const
	pefroms download data from device to host memory (Non-Blocking call) More...
__host__ size_t	elemSize () const
	overridden forms of GpuMat::elemSize() etc. More...
__host__ size_t	elemSize1 () const
bool	empty () const
	returns true if GpuMat data is NULL More...
bool	isContinuous () const
	returns true iff the GpuMat data is continuous (i.e. More...
void	locateROI (Size &wholeSize, Point &ofs) const
	locates GpuMat header within a parent GpuMat More...
__host__	operator GlobPtr< T > () const
__host__	operator GlobPtrSz< T > () const
	convert to GlobPtr More...
template<typename _Tp >
	operator PtrStep< _Tp > () const
template<typename _Tp >
	operator PtrStepSz< _Tp > () const
__host__ GpuMat_	operator() (Range rowRange, Range colRange) const
__host__ GpuMat_	operator() (Rect roi) const
__host__ GpuMat_ &	operator= (const GpuMat_ &m)
	assignment operators More...
template<class Body >
__host__ GpuMat_ &	operator= (const Expr< Body > &expr)
__host__ T *	operator[] (int y)
	more convenient forms of row and element access operators More...
__host__ const T *	operator[] (int y) const
uchar *	ptr (int y=0)
	returns pointer to y-th row More...
const uchar *	ptr (int y=0) const
template<typename _Tp >
_Tp *	ptr (int y=0)
	template version of the above method More...
template<typename _Tp >
const _Tp *	ptr (int y=0) const
void	release ()
	decreases reference counter, deallocate the data when reference counter reaches 0 More...
GpuMat	reshape (int cn, int rows=0) const
	creates alternative GpuMat header for the same data, with different number of channels and/or different number of rows More...
__host__ GpuMat_	row (int y) const
__host__ GpuMat_	rowRange (int startrow, int endrow) const
__host__ GpuMat_	rowRange (Range r) const
GpuMat &	setTo (Scalar s)
	sets some of the GpuMat elements to s (Blocking call) More...
GpuMat &	setTo (Scalar s, Stream &stream)
	sets some of the GpuMat elements to s (Non-Blocking call) More...
GpuMat &	setTo (Scalar s, InputArray mask)
	sets some of the GpuMat elements to s, according to the mask (Blocking call) More...
GpuMat &	setTo (Scalar s, InputArray mask, Stream &stream)
	sets some of the GpuMat elements to s, according to the mask (Non-Blocking call) More...
Size	size () const
	returns GpuMat size : width == number of columns, height == number of rows More...
__host__ size_t	step1 () const
__host__ size_t	stepT () const
	returns step()/sizeof(T) More...
__host__ void	swap (GpuMat_ &mat)
	swaps with other smart pointer More...
void	swap (GpuMat &mat)
	swaps with other smart pointer More...
__host__ int	type () const
__host__ void	upload (InputArray arr)
	pefroms upload data to GpuMat (Blocking call) More...
__host__ void	upload (InputArray arr, Stream &stream)
	pefroms upload data to GpuMat (Non-Blocking call) More...

Static Public Member Functions
static Allocator *	defaultAllocator ()
	default allocator More...
static void	setDefaultAllocator (Allocator *allocator)

Public Attributes
Allocator *	allocator
	allocator More...
int	cols
uchar *	data
	pointer to the data More...
const uchar *	dataend
uchar *	datastart
	helper fields used in locateROI and adjustROI More...
int	flags
	includes several bit-fields: More...
int *	refcount
	pointer to the reference counter; when GpuMat points to user-allocated data, the pointer is NULL More...
int	rows
	the number of rows and columns More...
size_t	step
	a distance between successive rows in bytes; includes the gap if any More...

Member Typedef Documentation

template<typename T>

typedef T cv::cudev::GpuMat_< T >::value_type

Constructor & Destructor Documentation

template<typename T>

__host__ cv::cudev::GpuMat_< T >::GpuMat_

(

Allocator *

allocator = defaultAllocator()

)

default constructor

template<typename T>

__host__ cv::cudev::GpuMat_< T >::GpuMat_	(	int	arows,
		int	acols,
		Allocator *	allocator = defaultAllocator()
	)

constructs GpuMat of the specified size

template<typename T>

__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( Size  asize, Allocator *  allocator = defaultAllocator()  )

explicit

template<typename T>

__host__ cv::cudev::GpuMat_< T >::GpuMat_	(	int	arows,
		int	acols,
		Scalar	val,
		Allocator *	allocator = defaultAllocator()
	)

constucts GpuMat and fills it with the specified value

template<typename T>

__host__ cv::cudev::GpuMat_< T >::GpuMat_	(	Size	asize,
		Scalar	val,
		Allocator *	allocator = defaultAllocator()
	)

template<typename T>

__host__ cv::cudev::GpuMat_< T >::GpuMat_

(

const GpuMat_< T > &

m

)

copy constructor

template<typename T>

__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( const GpuMat &  m, Allocator *  allocator = defaultAllocator()  )

explicit

copy/conversion contructor. If m is of different type, it's converted

template<typename T>

__host__ cv::cudev::GpuMat_< T >::GpuMat_	(	int	arows,
		int	acols,
		T *	adata,
		size_t	astep = Mat::AUTO_STEP
	)

constructs a matrix on top of user-allocated data. step is in bytes(!!!), regardless of the type

template<typename T>

__host__ cv::cudev::GpuMat_< T >::GpuMat_	(	Size	asize,
		T *	adata,
		size_t	astep = Mat::AUTO_STEP
	)

template<typename T>

__host__ cv::cudev::GpuMat_< T >::GpuMat_	(	const GpuMat_< T > &	m,
		Range	arowRange,
		Range	acolRange
	)

selects a submatrix

template<typename T>

__host__ cv::cudev::GpuMat_< T >::GpuMat_	(	const GpuMat_< T > &	m,
		Rect	roi
	)

template<typename T>

__host__ cv::cudev::GpuMat_< T >::GpuMat_ ( InputArray  arr, Allocator *  allocator = defaultAllocator()  )

explicit

builds GpuMat from host memory (Blocking call)

template<typename T>

template<class Body >

__host__ cv::cudev::GpuMat_< T >::GpuMat_

(

const Expr< Body > &

expr

)

expression templates

Member Function Documentation

template<typename T>

__host__ GpuMat_& cv::cudev::GpuMat_< T >::adjustROI	(	int	dtop,
		int	dbottom,
		int	dleft,
		int	dright
	)

template<typename T>

template<class Body >

__host__ GpuMat_& cv::cudev::GpuMat_< T >::assign	(	const Expr< Body > &	expr,
		Stream &	stream
	)

void cv::cuda::GpuMat::assignTo ( GpuMat &  m, int  type = -1  ) const

inherited

template<typename T>

__host__ int cv::cudev::GpuMat_< T >::channels

(

)

const

template<typename T>

__host__ GpuMat_ cv::cudev::GpuMat_< T >::clone

(

)

const

overridden forms of GpuMat::row() etc.

template<typename T>

__host__ GpuMat_ cv::cudev::GpuMat_< T >::col

(

int

x

)

const

Referenced by cv::cudev::gridFindMinMaxVal_().

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template<typename T>

__host__ GpuMat_ cv::cudev::GpuMat_< T >::colRange	(	int	startcol,
		int	endcol
	)		const

template<typename T>

__host__ GpuMat_ cv::cudev::GpuMat_< T >::colRange

(

Range

r

)

const

void cv::cuda::GpuMat::convertTo ( OutputArray  dst, int  rtype  ) const

inherited

converts GpuMat to another datatype (Blocking call)

void cv::cuda::GpuMat::convertTo ( OutputArray  dst, int  rtype, Stream &  stream  ) const

inherited

converts GpuMat to another datatype (Non-Blocking call)

void cv::cuda::GpuMat::convertTo ( OutputArray  dst, int  rtype, double  alpha, double  beta = 0.0  ) const

inherited

converts GpuMat to another datatype with scaling (Blocking call)

void cv::cuda::GpuMat::convertTo ( OutputArray  dst, int  rtype, double  alpha, Stream &  stream  ) const

inherited

converts GpuMat to another datatype with scaling (Non-Blocking call)

void cv::cuda::GpuMat::convertTo ( OutputArray  dst, int  rtype, double  alpha, double  beta, Stream &  stream  ) const

inherited

converts GpuMat to another datatype with scaling (Non-Blocking call)

void cv::cuda::GpuMat::copyTo ( OutputArray  dst ) const

inherited

copies the GpuMat content to device memory (Blocking call)

void cv::cuda::GpuMat::copyTo ( OutputArray  dst, Stream &  stream  ) const

inherited

copies the GpuMat content to device memory (Non-Blocking call)

void cv::cuda::GpuMat::copyTo ( OutputArray  dst, InputArray  mask  ) const

inherited

copies those GpuMat elements to "m" that are marked with non-zero mask elements (Blocking call)

void cv::cuda::GpuMat::copyTo ( OutputArray  dst, InputArray  mask, Stream &  stream  ) const

inherited

copies those GpuMat elements to "m" that are marked with non-zero mask elements (Non-Blocking call)

template<typename T>

__host__ void cv::cudev::GpuMat_< T >::create	(	int	arows,
		int	acols
	)

allocates new GpuMat data unless the GpuMat already has specified size and type

Referenced by cv::cudev::gridCalcSum_(), cv::cudev::gridCopy_(), cv::cudev::gridCountNonZero_(), cv::cudev::gridFindMaxVal_(), cv::cudev::gridFindMinMaxVal_(), cv::cudev::gridFindMinVal_(), cv::cudev::gridHistogram_(), cv::cudev::gridIntegral(), cv::cudev::gridMerge_(), cv::cudev::gridMinMaxLoc_(), cv::cudev::gridPyrDown_(), cv::cudev::gridPyrUp(), cv::cudev::gridReduceToRow(), cv::cudev::gridTransformBinary_(), cv::cudev::gridTransformUnary_(), and cv::cudev::gridTranspose_().

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template<typename T>

__host__ void cv::cudev::GpuMat_< T >::create

(

Size

asize

)

void cv::cuda::GpuMat::create ( int  rows, int  cols, int  type  )

inherited

allocates new GpuMat data unless the GpuMat already has specified size and type

void cv::cuda::GpuMat::create ( Size  size, int  type  )

inherited

static Allocator* cv::cuda::GpuMat::defaultAllocator ( )

staticinherited

default allocator

template<typename T>

__host__ int cv::cudev::GpuMat_< T >::depth

(

)

const

void cv::cuda::GpuMat::download ( OutputArray  dst ) const

inherited

pefroms download data from device to host memory (Blocking call)

Examples:

houghlines.cpp.

void cv::cuda::GpuMat::download ( OutputArray  dst, Stream &  stream  ) const

inherited

pefroms download data from device to host memory (Non-Blocking call)

template<typename T>

__host__ size_t cv::cudev::GpuMat_< T >::elemSize

(

)

const

overridden forms of GpuMat::elemSize() etc.

template<typename T>

__host__ size_t cv::cudev::GpuMat_< T >::elemSize1

(

)

const

bool cv::cuda::GpuMat::empty ( ) const

inherited

returns true if GpuMat data is NULL

Examples:

houghlines.cpp.

bool cv::cuda::GpuMat::isContinuous ( ) const

inherited

returns true iff the GpuMat data is continuous (i.e.

when there are no gaps between successive rows)

Referenced by cv::cudev::affineMap(), and cv::cudev::perspectiveMap().

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void cv::cuda::GpuMat::locateROI ( Size &  wholeSize, Point &  ofs  ) const

inherited

locates GpuMat header within a parent GpuMat

template<typename T>

__host__ cv::cudev::GpuMat_< T >::operator GlobPtr< T >

(

)

const

template<typename T>

__host__ cv::cudev::GpuMat_< T >::operator GlobPtrSz< T >

(

)

const

convert to GlobPtr

template<typename _Tp >

cv::cuda::GpuMat::operator PtrStep< _Tp > ( ) const

inherited

template<typename _Tp >

cv::cuda::GpuMat::operator PtrStepSz< _Tp > ( ) const

inherited

template<typename T>

__host__ GpuMat_ cv::cudev::GpuMat_< T >::operator()	(	Range	rowRange,
		Range	colRange
	)		const

template<typename T>

__host__ GpuMat_ cv::cudev::GpuMat_< T >::operator()

(

Rect

roi

)

const

template<typename T>

__host__ GpuMat_& cv::cudev::GpuMat_< T >::operator=

(

const GpuMat_< T > &

m

)

assignment operators

template<typename T>

template<class Body >

__host__ GpuMat_& cv::cudev::GpuMat_< T >::operator=

(

const Expr< Body > &

expr

)

template<typename T>

__host__ T* cv::cudev::GpuMat_< T >::operator[]

(

int

y

)

more convenient forms of row and element access operators

template<typename T>

__host__ const T* cv::cudev::GpuMat_< T >::operator[]

(

int

y

)

const

uchar* cv::cuda::GpuMat::ptr ( int  y = 0 )

inherited

returns pointer to y-th row

const uchar* cv::cuda::GpuMat::ptr ( int  y = 0 ) const

inherited

template<typename _Tp >

_Tp* cv::cuda::GpuMat::ptr ( int  y = 0 )

inherited

template version of the above method

template<typename _Tp >

const _Tp* cv::cuda::GpuMat::ptr ( int  y = 0 ) const

inherited

void cv::cuda::GpuMat::release ( )

inherited

decreases reference counter, deallocate the data when reference counter reaches 0

GpuMat cv::cuda::GpuMat::reshape ( int  cn, int  rows = 0  ) const

inherited

creates alternative GpuMat header for the same data, with different number of channels and/or different number of rows

Referenced by cv::cudev::reshape_().

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template<typename T>

__host__ GpuMat_ cv::cudev::GpuMat_< T >::row

(

int

y

)

const

template<typename T>

__host__ GpuMat_ cv::cudev::GpuMat_< T >::rowRange	(	int	startrow,
		int	endrow
	)		const

template<typename T>

__host__ GpuMat_ cv::cudev::GpuMat_< T >::rowRange

(

Range

r

)

const

static void cv::cuda::GpuMat::setDefaultAllocator ( Allocator *  allocator )

staticinherited

GpuMat& cv::cuda::GpuMat::setTo ( Scalar  s )

inherited

sets some of the GpuMat elements to s (Blocking call)

Referenced by cv::cudev::gridCalcSum_(), cv::cudev::gridCountNonZero_(), cv::cudev::gridFindMaxVal_(), cv::cudev::gridFindMinMaxVal_(), cv::cudev::gridFindMinVal_(), and cv::cudev::gridHistogram_().

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GpuMat& cv::cuda::GpuMat::setTo ( Scalar  s, Stream &  stream  )

inherited

sets some of the GpuMat elements to s (Non-Blocking call)

GpuMat& cv::cuda::GpuMat::setTo ( Scalar  s, InputArray  mask  )

inherited

sets some of the GpuMat elements to s, according to the mask (Blocking call)

GpuMat& cv::cuda::GpuMat::setTo ( Scalar  s, InputArray  mask, Stream &  stream  )

inherited

sets some of the GpuMat elements to s, according to the mask (Non-Blocking call)

Size cv::cuda::GpuMat::size ( ) const

inherited

returns GpuMat size : width == number of columns, height == number of rows

template<typename T>

__host__ size_t cv::cudev::GpuMat_< T >::step1

(

)

const

template<typename T>

__host__ size_t cv::cudev::GpuMat_< T >::stepT

(

)

const

returns step()/sizeof(T)

template<typename T>

__host__ void cv::cudev::GpuMat_< T >::swap

(

GpuMat_< T > &

mat

)

swaps with other smart pointer

void cv::cuda::GpuMat::swap ( GpuMat &  mat )

inherited

swaps with other smart pointer

template<typename T>

__host__ int cv::cudev::GpuMat_< T >::type

(

)

const

Referenced by cv::cudev::gridReduceToColumn_(), and cv::cudev::reshape_().

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template<typename T>

__host__ void cv::cudev::GpuMat_< T >::upload

(

InputArray

arr

)

pefroms upload data to GpuMat (Blocking call)

template<typename T>

__host__ void cv::cudev::GpuMat_< T >::upload	(	InputArray	arr,
		Stream &	stream
	)

pefroms upload data to GpuMat (Non-Blocking call)

Member Data Documentation

Allocator* cv::cuda::GpuMat::allocator

inherited

allocator

int cv::cuda::GpuMat::cols

inherited

Examples:

houghlines.cpp.

Referenced by cv::cudev::affineMap(), cv::cudev::globPtr(), cv::cudev::gridPyrDown_(), cv::cudev::gridPyrUp(), and cv::cudev::perspectiveMap().

uchar* cv::cuda::GpuMat::data

inherited

pointer to the data

Referenced by cv::cudev::globPtr().

const uchar* cv::cuda::GpuMat::dataend

inherited

uchar* cv::cuda::GpuMat::datastart

inherited

helper fields used in locateROI and adjustROI

int cv::cuda::GpuMat::flags

inherited

includes several bit-fields:

• the magic signature
• continuity flag
• depth
• number of channels

int* cv::cuda::GpuMat::refcount

inherited

pointer to the reference counter; when GpuMat points to user-allocated data, the pointer is NULL

int cv::cuda::GpuMat::rows

inherited

the number of rows and columns

Referenced by cv::cudev::affineMap(), cv::cudev::globPtr(), cv::cudev::gridPyrDown_(), cv::cudev::gridPyrUp(), cv::cudev::perspectiveMap(), and cv::cudev::reshape_().

size_t cv::cuda::GpuMat::step

inherited

a distance between successive rows in bytes; includes the gap if any

Referenced by cv::cudev::globPtr().

---

The documentation for this class was generated from the following file:

• cudev/include/opencv2/cudev/ptr2d/gpumat.hpp