#include <AC>

Classes
struct	RenderTexture
	attached textures More...

Public Member Functions
	FBO ()
	Default constructor. More...

	~FBO ()
	Destructor. More...

void	init ()
	function to generate the framebuffer object More...

void	del ()
	delete fbo and all internally created render textures More...

GLsizei	setMultisampling (GLsizei _samples, GLboolean _fixedsamplelocations=GL_TRUE)

GLsizei	getMultisamplingCount () const
	get number of samples More...

void	attachTexture (GLenum _attachment, GLuint _texture, GLuint _level=0)
	attach a texture of arbitrary dimension (requires OpenGL 3.2) More...

void	attachTexture2D (GLenum _attachment, GLsizei _width, GLsizei _height, GLuint _internalFmt, GLenum _format, GLint _wrapMode=GL_CLAMP_TO_EDGE, GLint _minFilter=GL_NEAREST, GLint _magFilter=GL_NEAREST)
	function to attach a texture to fbo More...

void	attachTexture2D (GLenum _attachment, GLuint _texture, GLenum _target=GL_TEXTURE_2D)
	function to attach a texture to fbo More...

void	attachTexture2DDepth (GLsizei _width, GLsizei _height, GLuint _internalFmt=GL_DEPTH_COMPONENT32, GLenum _format=GL_DEPTH_COMPONENT)
	function to attach a depth-buffer texture to fbo (using GL_DEPTH_ATTACHMENT) More...

void	attachTexture2DStencil (GLsizei _width, GLsizei _height)
	function to attach a stencil-buffer texture to fbo (texformat = GL_STENCIL_INDEX8) More...

void	attachTexture3D (GLenum _attachment, GLsizei _width, GLsizei _height, GLsizei _depth, GLuint _internalFmt, GLenum _format, GLint _wrapMode=GL_CLAMP, GLint _minFilter=GL_NEAREST, GLint _magFilter=GL_NEAREST)

void	addDepthBuffer (GLuint _width, GLuint _height)
	function to add a depth renderbuffer to the fbo More...

void	addStencilBuffer (GLuint _width, GLuint _height)
	function to add a stencil renderbuffer to the fbo More...

void	addDepthStencilBuffer (GLuint _width, GLuint _height)
	add a packed depth24_stencil8 renderbuffer More...

GLuint	getAttachment (GLenum _attachment)
	return attached texture id More...

GLuint	getInternalFormat (GLenum _attachment)
	return internal texture format of attachment More...

GLuint	getFboID ()
	return opengl id More...

void	resize (GLsizei _width, GLsizei _height, bool _forceResize=false)
	resize function (if textures created by this class) More...

GLsizei	width () const
	get width of fbo texture More...

GLsizei	height () const
	get height of fbo texture More...

ACG::Vec2i	size () const
	get width and height of fbo texture More...

bool	bind ()
	bind the fbo and sets it as rendertarget More...

void	unbind ()
	unbind fbo, go to normal rendering mode More...

bool	checkFramebufferStatus ()
	function to check the framebuffer status More...

Private Types
typedef std::map< GLenum, RenderTexture >	AttachmentList

Private Attributes
GLuint	fbo_
	handle of frame buffer object More...

GLuint	depthbuffer_
	depthbuffer More...

GLuint	stencilbuffer_
	stencilbuffer More...

AttachmentList	attachments_

GLsizei	width_
	width and height of render textures More...

GLsizei	height_

GLsizei	samples_
	sample count if multisampling More...

GLboolean	fixedsamplelocation_
	enable fixed sample location if multisampling More...

GLuint	prevFbo_
	handle of previously bound fbo More...

GLuint	prevDrawBuffer_

Detailed Description

/.../FBO.hh>

Brief Description.

A more elaborate description follows.

Definition at line 71 of file FBO.hh.

Member Typedef Documentation

◆ AttachmentList

typedef std::map<GLenum, RenderTexture> ACG::FBO::AttachmentList

private

Definition at line 202 of file FBO.hh.

Constructor & Destructor Documentation

◆ FBO()

ACG::FBO::FBO ( )

Default constructor.

Definition at line 71 of file FBO.cc.

◆ ~FBO()

ACG::FBO::~FBO ( )

Destructor.

Definition at line 76 of file FBO.cc.

Member Function Documentation

◆ addDepthBuffer()

void ACG::FBO::addDepthBuffer	(	GLuint	_width,
		GLuint	_height
	)

function to add a depth renderbuffer to the fbo

Definition at line 349 of file FBO.cc.

◆ addDepthStencilBuffer()

void ACG::FBO::addDepthStencilBuffer	(	GLuint	_width,
		GLuint	_height
	)

add a packed depth24_stencil8 renderbuffer

Definition at line 415 of file FBO.cc.

◆ addStencilBuffer()

void ACG::FBO::addStencilBuffer	(	GLuint	_width,
		GLuint	_height
	)

function to add a stencil renderbuffer to the fbo

Definition at line 382 of file FBO.cc.

◆ attachTexture()

void ACG::FBO::attachTexture	(	GLenum	_attachment,
		GLuint	_texture,
		GLuint	_level = `0`
	)

attach a texture of arbitrary dimension (requires OpenGL 3.2)

Definition at line 133 of file FBO.cc.

◆ attachTexture2D() [1/2]

void ACG::FBO::attachTexture2D	(	GLenum	_attachment,
		GLsizei	_width,
		GLsizei	_height,
		GLuint	_internalFmt,
		GLenum	_format,
		GLint	_wrapMode = `GL_CLAMP_TO_EDGE`,
		GLint	_minFilter = `GL_NEAREST`,
		GLint	_magFilter = `GL_NEAREST`
	)

function to attach a texture to fbo

Definition at line 207 of file FBO.cc.

◆ attachTexture2D() [2/2]

void ACG::FBO::attachTexture2D	(	GLenum	_attachment,
		GLuint	_texture,
		GLenum	_target = `GL_TEXTURE_2D`
	)

function to attach a texture to fbo

Definition at line 173 of file FBO.cc.

◆ attachTexture2DDepth()

void ACG::FBO::attachTexture2DDepth	(	GLsizei	_width,
		GLsizei	_height,
		GLuint	_internalFmt = `GL_DEPTH_COMPONENT32`,
		GLenum	_format = `GL_DEPTH_COMPONENT`
	)

function to attach a depth-buffer texture to fbo (using GL_DEPTH_ATTACHMENT)

Definition at line 334 of file FBO.cc.

◆ attachTexture2DStencil()

void ACG::FBO::attachTexture2DStencil	(	GLsizei	_width,
		GLsizei	_height
	)

function to attach a stencil-buffer texture to fbo (texformat = GL_STENCIL_INDEX8)

Definition at line 341 of file FBO.cc.

◆ attachTexture3D()

void ACG::FBO::attachTexture3D	(	GLenum	_attachment,
		GLsizei	_width,
		GLsizei	_height,
		GLsizei	_depth,
		GLuint	_internalFmt,
		GLenum	_format,
		GLint	_wrapMode = `GL_CLAMP`,
		GLint	_minFilter = `GL_NEAREST`,
		GLint	_magFilter = `GL_NEAREST`
	)

attach a 3D texture for render to volume (requires OpenGL 3.2) binds all slices at once, target slice has to be chosen via gl_Layer in geometry shader

Definition at line 286 of file FBO.cc.

◆ bind()

bool ACG::FBO::bind ( )

bind the fbo and sets it as rendertarget

Definition at line 457 of file FBO.cc.

◆ checkFramebufferStatus()

bool ACG::FBO::checkFramebufferStatus ( )

function to check the framebuffer status

Definition at line 491 of file FBO.cc.

◆ del()

void ACG::FBO::del ( )

delete fbo and all internally created render textures

Definition at line 111 of file FBO.cc.

◆ getAttachment()

GLuint ACG::FBO::getAttachment ( GLenum _attachment )

return attached texture id

Definition at line 536 of file FBO.cc.

◆ getFboID()

GLuint ACG::FBO::getFboID ( )

return opengl id

Definition at line 604 of file FBO.cc.

◆ getInternalFormat()

GLuint ACG::FBO::getInternalFormat ( GLenum _attachment )

return internal texture format of attachment

Definition at line 543 of file FBO.cc.

◆ getMultisamplingCount()

GLsizei ACG::FBO::getMultisamplingCount ( ) const

inline

get number of samples

Definition at line 93 of file FBO.hh.

◆ height()

GLsizei ACG::FBO::height ( ) const

inline

get height of fbo texture

Definition at line 152 of file FBO.hh.

◆ init()

void ACG::FBO::init ( )

function to generate the framebuffer object

Definition at line 85 of file FBO.cc.

◆ resize()

void ACG::FBO::resize	(	GLsizei	_width,
		GLsizei	_height,
		bool	_forceResize = `false`
	)

resize function (if textures created by this class)

Definition at line 550 of file FBO.cc.

◆ setMultisampling()

GLsizei ACG::FBO::setMultisampling	(	GLsizei	_samples,
		GLboolean	_fixedsamplelocations = `GL_TRUE`
	)

enable/disable multisampling returns the MSAA sample count of the fbo, which might not be equal to the requested _samples count but you'll get something close

Definition at line 609 of file FBO.cc.

◆ size()

ACG::Vec2i ACG::FBO::size ( ) const

inline

get width and height of fbo texture

Definition at line 155 of file FBO.hh.

◆ unbind()

void ACG::FBO::unbind ( )

unbind fbo, go to normal rendering mode

Definition at line 480 of file FBO.cc.

◆ width()

GLsizei ACG::FBO::width ( ) const

inline

get width of fbo texture

Definition at line 149 of file FBO.hh.

Member Data Documentation

◆ attachments_

AttachmentList ACG::FBO::attachments_

private

Definition at line 203 of file FBO.hh.

◆ depthbuffer_

GLuint ACG::FBO::depthbuffer_

private

depthbuffer

Definition at line 172 of file FBO.hh.

◆ fbo_

GLuint ACG::FBO::fbo_

private

handle of frame buffer object

Definition at line 169 of file FBO.hh.

◆ fixedsamplelocation_

GLboolean ACG::FBO::fixedsamplelocation_

private

enable fixed sample location if multisampling

Definition at line 213 of file FBO.hh.

◆ height_

GLsizei ACG::FBO::height_

private

Definition at line 207 of file FBO.hh.

◆ prevDrawBuffer_

GLuint ACG::FBO::prevDrawBuffer_

private

Definition at line 218 of file FBO.hh.

◆ prevFbo_

GLuint ACG::FBO::prevFbo_

private

handle of previously bound fbo

Definition at line 217 of file FBO.hh.

◆ samples_

GLsizei ACG::FBO::samples_

private

sample count if multisampling

Definition at line 210 of file FBO.hh.

◆ stencilbuffer_

GLuint ACG::FBO::stencilbuffer_

private

stencilbuffer

Definition at line 175 of file FBO.hh.

◆ width_

GLsizei ACG::FBO::width_

private

width and height of render textures

Definition at line 207 of file FBO.hh.

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

OpenFlipper/libs_required/ACG/GL/FBO.hh
OpenFlipper/libs_required/ACG/GL/FBO.cc

Classes

Public Member Functions

Private Types

Private Attributes

Detailed Description

Member Typedef Documentation

◆ AttachmentList

Constructor & Destructor Documentation

◆ FBO()

◆ ~FBO()

Member Function Documentation

◆ addDepthBuffer()

◆ addDepthStencilBuffer()

◆ addStencilBuffer()

◆ attachTexture()

◆ attachTexture2D() [1/2]

◆ attachTexture2D() [2/2]

◆ attachTexture2DDepth()

◆ attachTexture2DStencil()

◆ attachTexture3D()

◆ bind()

◆ checkFramebufferStatus()

◆ del()

◆ getAttachment()

◆ getFboID()

◆ getInternalFormat()

◆ getMultisamplingCount()

◆ height()

◆ init()

◆ resize()

◆ setMultisampling()

◆ size()

◆ unbind()

◆ width()

Member Data Documentation

◆ attachments_

◆ depthbuffer_

◆ fbo_

◆ fixedsamplelocation_

◆ height_

◆ prevDrawBuffer_

◆ prevFbo_

◆ samples_

◆ stencilbuffer_

◆ width_