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

#include "opengl.hpp"

Public Types
enum	Access { READ_ONLY = 0x88B8, WRITE_ONLY = 0x88B9, READ_WRITE = 0x88BA }

enum	Target { ARRAY_BUFFER = 0x8892, ELEMENT_ARRAY_BUFFER = 0x8893, PIXEL_PACK_BUFFER = 0x88EB, PIXEL_UNPACK_BUFFER = 0x88EC }
	The target defines how you intend to use the buffer object. More...

Public Member Functions
	Buffer ()
	The constructors. More...

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

	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)

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

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

void	bind (Target target) const
	Binds OpenGL buffer to the specified buffer binding point. More...

unsigned int	bufId () const
	get OpenGL opject id More...

int	channels () const

Buffer	clone (Target target=ARRAY_BUFFER, bool autoRelease=false) const
	Creates a full copy of the buffer object and the underlying data. More...

int	cols () const

void	copyFrom (InputArray arr, Target target=ARRAY_BUFFER, bool autoRelease=false)
	Copies from host/device memory to OpenGL buffer. More...

void	copyFrom (InputArray arr, cuda::Stream &stream, Target target=ARRAY_BUFFER, bool autoRelease=false)

void	copyTo (OutputArray arr) const
	Copies from OpenGL buffer to host/device memory or another OpenGL buffer object. More...

void	copyTo (OutputArray arr, cuda::Stream &stream) const

void	create (int arows, int acols, int atype, Target target=ARRAY_BUFFER, bool autoRelease=false)
	Allocates memory for ogl::Buffer object. More...

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

int	depth () const

int	elemSize () const

int	elemSize1 () const

bool	empty () const

cuda::GpuMat	mapDevice ()
	map to device memory (blocking) More...

cuda::GpuMat	mapDevice (cuda::Stream &stream)
	Maps OpenGL buffer to CUDA device memory. More...

Mat	mapHost (Access access)
	Maps OpenGL buffer to host memory. More...

void	release ()
	Decrements the reference counter and destroys the buffer object if needed. More...

int	rows () const

void	setAutoRelease (bool flag)
	Sets auto release mode. More...

Size	size () const

int	type () const

void	unmapDevice ()

void	unmapDevice (cuda::Stream &stream)
	Unmaps OpenGL buffer. More...

void	unmapHost ()
	Unmaps OpenGL buffer. More...

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

Detailed Description

Smart pointer for OpenGL buffer object with reference counting.

Buffer Objects are OpenGL objects that store an array of unformatted memory allocated by the OpenGL context. These can be used to store vertex data, pixel data retrieved from images or the framebuffer, and a variety of other things.

ogl::Buffer has interface similar with Mat interface and represents 2D array memory.

ogl::Buffer supports memory transfers between host and device and also can be mapped to CUDA memory.

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

core/include/opencv2/core/opengl.hpp

Public Types

Public Member Functions

Static Public Member Functions

Detailed Description