cv::ogl::Buffer Class Reference

Smart pointer for OpenGL buffer memory with reference counting. More...

#include <opengl_interop.hpp>

Public Types
enum	Target { ARRAY_BUFFER = 0x8892, ELEMENT_ARRAY_BUFFER = 0x8893, PIXEL_PACK_BUFFER = 0x88EB, PIXEL_UNPACK_BUFFER = 0x88EC }
enum	Access { READ_ONLY = 0x88B8, WRITE_ONLY = 0x88B9, READ_WRITE = 0x88BA }

Public Member Functions
	Buffer ()
	create empty buffer More...
	Buffer (int arows, int acols, int atype, unsigned int abufId, bool autoRelease=false)
	create buffer from existed buffer id More...
	Buffer (Size asize, int atype, unsigned int abufId, bool autoRelease=false)
	Buffer (int arows, int acols, int atype, Target target=ARRAY_BUFFER, bool autoRelease=false)
	create buffer More...
	Buffer (Size asize, int atype, Target target=ARRAY_BUFFER, bool autoRelease=false)
	Buffer (InputArray arr, Target target=ARRAY_BUFFER, bool autoRelease=false)
	copy from host/device memory More...
void	create (int arows, int acols, int atype, Target target=ARRAY_BUFFER, bool autoRelease=false)
	create buffer More...
void	create (Size asize, int atype, Target target=ARRAY_BUFFER, bool autoRelease=false)
void	release ()
	release memory and delete buffer object More...
void	setAutoRelease (bool flag)
	set auto release mode (if true, release will be called in object's destructor) More...
void	copyFrom (InputArray arr, Target target=ARRAY_BUFFER, bool autoRelease=false)
	copy from host/device memory More...
void	copyTo (OutputArray arr, Target target=ARRAY_BUFFER, bool autoRelease=false) const
	copy to host/device memory More...
Buffer	clone (Target target=ARRAY_BUFFER, bool autoRelease=false) const
	create copy of current buffer More...
void	bind (Target target) const
	bind buffer for specified target More...
Mat	mapHost (Access access)
	map to host memory More...
void	unmapHost ()
gpu::GpuMat	mapDevice ()
	map to device memory More...
void	unmapDevice ()
int	rows () const
int	cols () const
Size	size () const
bool	empty () const
int	type () const
int	depth () const
int	channels () const
int	elemSize () const
int	elemSize1 () const
unsigned int	bufId () const

Static Public Member Functions
static void	unbind (Target target)
	unbind any buffers from specified target More...

Detailed Description

Smart pointer for OpenGL buffer memory with reference counting.

Member Enumeration Documentation

enum cv::ogl::Buffer::Access

Enumerator
READ_ONLY
WRITE_ONLY
READ_WRITE

enum cv::ogl::Buffer::Target

Enumerator
ARRAY_BUFFER	The buffer will be used as a source for vertex data.
ELEMENT_ARRAY_BUFFER	The buffer will be used for indices (in glDrawElements, for example)
PIXEL_PACK_BUFFER	The buffer will be used for reading from OpenGL textures.
PIXEL_UNPACK_BUFFER	The buffer will be used for writing to OpenGL textures.

Constructor & Destructor Documentation

cv::ogl::Buffer::Buffer

(

)

create empty buffer

cv::ogl::Buffer::Buffer	(	int	arows,
		int	acols,
		int	atype,
		unsigned int	abufId,
		bool	autoRelease = false
	)

create buffer from existed buffer id

cv::ogl::Buffer::Buffer	(	Size	asize,
		int	atype,
		unsigned int	abufId,
		bool	autoRelease = false
	)

cv::ogl::Buffer::Buffer	(	int	arows,
		int	acols,
		int	atype,
		Target	target = ARRAY_BUFFER,
		bool	autoRelease = false
	)

create buffer

cv::ogl::Buffer::Buffer	(	Size	asize,
		int	atype,
		Target	target = ARRAY_BUFFER,
		bool	autoRelease = false
	)

cv::ogl::Buffer::Buffer ( InputArray  arr, Target  target = ARRAY_BUFFER, bool  autoRelease = false  )

explicit

copy from host/device memory

Member Function Documentation

void cv::ogl::Buffer::bind

(

Target

target

)

const

bind buffer for specified target

unsigned int cv::ogl::Buffer::bufId

(

)

const

int cv::ogl::Buffer::channels ( ) const

inline

Buffer cv::ogl::Buffer::clone	(	Target	target = ARRAY_BUFFER,
		bool	autoRelease = false
	)		const

create copy of current buffer

int cv::ogl::Buffer::cols ( ) const

inline

void cv::ogl::Buffer::copyFrom	(	InputArray	arr,
		Target	target = ARRAY_BUFFER,
		bool	autoRelease = false
	)

copy from host/device memory

void cv::ogl::Buffer::copyTo	(	OutputArray	arr,
		Target	target = ARRAY_BUFFER,
		bool	autoRelease = false
	)		const

copy to host/device memory

void cv::ogl::Buffer::create	(	int	arows,
		int	acols,
		int	atype,
		Target	target = ARRAY_BUFFER,
		bool	autoRelease = false
	)

create buffer

void cv::ogl::Buffer::create ( Size  asize, int  atype, Target  target = ARRAY_BUFFER, bool  autoRelease = false  )

inline

int cv::ogl::Buffer::depth ( ) const

inline

int cv::ogl::Buffer::elemSize ( ) const

inline

int cv::ogl::Buffer::elemSize1 ( ) const

inline

bool cv::ogl::Buffer::empty ( ) const

inline

gpu::GpuMat cv::ogl::Buffer::mapDevice

(

)

map to device memory

Mat cv::ogl::Buffer::mapHost

(

Access

access

)

map to host memory

void cv::ogl::Buffer::release

(

)

release memory and delete buffer object

int cv::ogl::Buffer::rows ( ) const

inline

void cv::ogl::Buffer::setAutoRelease

(

bool

flag

)

set auto release mode (if true, release will be called in object's destructor)

Size cv::ogl::Buffer::size ( ) const

inline

int cv::ogl::Buffer::type ( ) const

inline

static void cv::ogl::Buffer::unbind ( Target  target )

static

unbind any buffers from specified target

void cv::ogl::Buffer::unmapDevice

(

)

void cv::ogl::Buffer::unmapHost

(

)

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

• opengl_interop.hpp