SLGLFrameBuffer Class Reference

#include <SLGLFrameBuffer.h>

Public Member Functions
	SLGLFrameBuffer (SLsizei rboWidth, SLsizei rboHeight)
	Constructor. More...
virtual	~SLGLFrameBuffer ()
void	clear ()
	Calls delete and clears data. More...
void	deleteGL ()
	Deletes this buffers. More...
void	generate ()
	Generates the framebuffer. More...
void	bind ()
	Binds the framebuffer and renderbuffer. More...
void	unbind ()
	Unbinds the framebuffer and renderbuffer. More...
void	bindAndSetBufferStorage (SLsizei width, SLsizei height)
	Sets the size of the buffer storage. More...
void	attachTexture2D (SLenum attachment, SLenum target, SLGLTexture *texture, SLint level=0)
	Attaches texture image to framebuffer. More...
SLuint	fboId ()
SLuint	rboId ()
SLsizei	rboWidth ()
SLsizei	rboHeight ()

Static Public Attributes
static SLuint	totalBufferCount = 0
static SLuint	totalBufferSize = 0
	static total no. of buffers in use More...

Protected Attributes
SLuint	_fboId
	static total size of all buffers in bytes More...
SLuint	_prevFboId
	previously active frame buffer identifier More...
SLuint	_rboId
	render buffer identifier More...
SLuint	_sizeBytes
	size in bytes of this buffer More...
SLsizei	_rboWidth
	width of the render buffer More...
SLsizei	_rboHeight
	height of the render buffer More...

Detailed Description

The frame buffer class generates a frame buffer and a render buffer, with the default size of 512x512, this can also in run time be changed.

Constructor & Destructor Documentation

SLGLFrameBuffer()

SLGLFrameBuffer::SLGLFrameBuffer	(	SLsizei	rboWidth,
		SLsizei	rboHeight
	)

Constructor.

~SLGLFrameBuffer()

virtual SLGLFrameBuffer::~SLGLFrameBuffer ( )

inlinevirtual

Member Function Documentation

attachTexture2D()

void SLGLFrameBuffer::attachTexture2D	(	SLenum	attachment,
		SLenum	target,
		SLGLTexture *	texture,
		SLint	level = 0
	)

Attaches texture image to framebuffer.

attach one 2D texture to the frame buffer

bind()

void SLGLFrameBuffer::bind

(

)

Binds the framebuffer and renderbuffer.

bindAndSetBufferStorage()

void SLGLFrameBuffer::bindAndSetBufferStorage	(	SLsizei	width,
		SLsizei	height
	)

Sets the size of the buffer storage.

change the render buffer size at will

clear()

void SLGLFrameBuffer::clear

(

)

Calls delete and clears data.

clear delete buffers and respectively adjust the stats variables

deleteGL()

void SLGLFrameBuffer::deleteGL

(

)

Deletes this buffers.

calls the delete functions only if the buffers exist

fboId()

SLuint SLGLFrameBuffer::fboId ( )

inline

generate()

void SLGLFrameBuffer::generate

(

)

Generates the framebuffer.

generate the frame buffer and the render buffer if wanted

rboHeight()

SLsizei SLGLFrameBuffer::rboHeight ( )

inline

rboId()

SLuint SLGLFrameBuffer::rboId ( )

inline

rboWidth()

SLsizei SLGLFrameBuffer::rboWidth ( )

inline

unbind()

void SLGLFrameBuffer::unbind

(

)

Unbinds the framebuffer and renderbuffer.

Member Data Documentation

_fboId

SLuint SLGLFrameBuffer::_fboId

protected

static total size of all buffers in bytes

frame buffer identifier

_prevFboId

SLuint SLGLFrameBuffer::_prevFboId

protected

previously active frame buffer identifier

_rboHeight

SLsizei SLGLFrameBuffer::_rboHeight

protected

height of the render buffer

_rboId

SLuint SLGLFrameBuffer::_rboId

protected

render buffer identifier

_rboWidth

SLsizei SLGLFrameBuffer::_rboWidth

protected

width of the render buffer

_sizeBytes

SLuint SLGLFrameBuffer::_sizeBytes

protected

size in bytes of this buffer

totalBufferCount

SLuint SLGLFrameBuffer::totalBufferCount = 0

static

totalBufferSize

SLuint SLGLFrameBuffer::totalBufferSize = 0

static

static total no. of buffers in use

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

• SLGLFrameBuffer.h
• SLGLFrameBuffer.cpp