OpenGL framebuffer to render to. More...

#include <Framebuffer.hpp>

Collaboration diagram for galaxy::graphics::Framebuffer:

Public Member Functions
	Framebuffer ()
	Constructor.

	Framebuffer (Framebuffer &&)
	Move constructor.

Framebuffer &	operator= (Framebuffer &&)
	Move assignment operator.

	~Framebuffer ()
	Destructor.

void	add_colour_attachment (const int width, const int height)
	Add a colour attachment to the framebuffer.

void	add_depth_stencil_renderbuffer ()
	Adds a depth and stencil supported renderbuffer to the framebuffer.

void	add_storage_attachment ()
	Add an attachment to store an integer.

void	create ()
	Construct framebuffer from attachments and renderbuffers.

int	read_storagebuffer (const int x, const int y)
	Read storage buffer.

void	clear_storagebuffer (const int val)
	Clear storagebuffer.

void	set_clear_colour (const graphics::Colour &col)
	Set clear colour.

void	begin (const bool clear=true)
	Bind framebuffer for rendering to.

void	end ()
	Unbind framebuffer.

void	clear ()
	Clear framebuffer attachments.

void	clear (const unsigned int index)
	Clear a specific attachment.

void	reset ()
	Completely delete objects.

int	width () const
	Get width.

int	height () const
	Get height.

unsigned int	texture () const
	Get colour attachment texture id.

unsigned int	id () const
	Get OpenGL framebuffer object.

Private Member Functions
	Framebuffer (const Framebuffer &)=delete
	Copy constructor.

Framebuffer &	operator= (const Framebuffer &)=delete
	Copy assignment operator.

Private Attributes
unsigned int	m_id
	OpenGL handle.

int	m_width
	Width cache.

int	m_height
	Height cache.

unsigned int	m_colour
	Colour attachment id.

unsigned int	m_renderbuffer
	Renderbuffer attachment.

unsigned int	m_storageattach
	Storage attachment id.

std::array< float, 4 >	m_clear_colour
	Clear colour.

Detailed Description

OpenGL framebuffer to render to.

Definition at line 20 of file Framebuffer.hpp.

Constructor & Destructor Documentation

◆ Framebuffer() [1/3]

galaxy::graphics::Framebuffer::Framebuffer ( )

Constructor.

Definition at line 18 of file Framebuffer.cpp.

◆ Framebuffer() [2/3]

galaxy::graphics::Framebuffer::Framebuffer ( Framebuffer && f )

Move constructor.

Definition at line 30 of file Framebuffer.cpp.

◆ ~Framebuffer()

galaxy::graphics::Framebuffer::~Framebuffer ( )

Destructor.

Definition at line 107 of file Framebuffer.cpp.

◆ Framebuffer() [3/3]

galaxy::graphics::Framebuffer::Framebuffer ( const Framebuffer & )

privatedelete

Copy constructor.

Member Function Documentation

◆ operator=() [1/2]

Framebuffer & galaxy::graphics::Framebuffer::operator= ( Framebuffer && f )

Move assignment operator.

Definition at line 66 of file Framebuffer.cpp.

◆ add_colour_attachment()

void galaxy::graphics::Framebuffer::add_colour_attachment	(	const int	width,
		const int	height )

Add a colour attachment to the framebuffer.

Parameters

width	Usually screen width or size of render texture.
height	Usually screen height or size of render texture.

Definition at line 130 of file Framebuffer.cpp.

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◆ add_depth_stencil_renderbuffer()

void galaxy::graphics::Framebuffer::add_depth_stencil_renderbuffer ( )

Adds a depth and stencil supported renderbuffer to the framebuffer.

Definition at line 158 of file Framebuffer.cpp.

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◆ add_storage_attachment()

void galaxy::graphics::Framebuffer::add_storage_attachment ( )

Add an attachment to store an integer.

Definition at line 179 of file Framebuffer.cpp.

◆ create()

void galaxy::graphics::Framebuffer::create ( )

Construct framebuffer from attachments and renderbuffers.

Definition at line 204 of file Framebuffer.cpp.

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◆ read_storagebuffer()

int galaxy::graphics::Framebuffer::read_storagebuffer	(	const int	x,
		const int	y )

nodiscard

Read storage buffer.

Parameters

x	Horizontal pixel pos.
y	Vertical pixel pos.

Returns: Integer read at pixel coords.

Definition at line 259 of file Framebuffer.cpp.

◆ clear_storagebuffer()

void galaxy::graphics::Framebuffer::clear_storagebuffer ( const int val )

Clear storagebuffer.

Parameters

val	Value to clear buffer to.

Definition at line 274 of file Framebuffer.cpp.

◆ set_clear_colour()

void galaxy::graphics::Framebuffer::set_clear_colour ( const graphics::Colour & col )

Set clear colour.

Parameters

col	Colour to clear framebuffer to.

Definition at line 279 of file Framebuffer.cpp.

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◆ begin()

void galaxy::graphics::Framebuffer::begin ( const bool clear = true )

Bind framebuffer for rendering to.

Parameters

clear Should the framebuffer clear attachments.

Definition at line 289 of file Framebuffer.cpp.

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◆ end()

void galaxy::graphics::Framebuffer::end ( )

Unbind framebuffer.

Definition at line 301 of file Framebuffer.cpp.

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◆ clear() [1/2]

void galaxy::graphics::Framebuffer::clear ( )

Clear framebuffer attachments.

Definition at line 306 of file Framebuffer.cpp.

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◆ clear() [2/2]

void galaxy::graphics::Framebuffer::clear ( const unsigned int index )

Clear a specific attachment.

Parameters

index Specific index of attachment to clear.

Definition at line 325 of file Framebuffer.cpp.

◆ reset()

void galaxy::graphics::Framebuffer::reset ( )

Completely delete objects.

Definition at line 330 of file Framebuffer.cpp.

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◆ width()

int galaxy::graphics::Framebuffer::width ( ) const

nodiscard

Get width.

Returns: Integer.

Definition at line 352 of file Framebuffer.cpp.

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◆ height()

int galaxy::graphics::Framebuffer::height ( ) const

nodiscard

Get height.

Returns: Integer.

Definition at line 357 of file Framebuffer.cpp.

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◆ texture()

unsigned int galaxy::graphics::Framebuffer::texture ( ) const

nodiscard

Get colour attachment texture id.

Returns: Unsigned int.

Definition at line 362 of file Framebuffer.cpp.

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◆ id()

unsigned int galaxy::graphics::Framebuffer::id ( ) const

nodiscard

Get OpenGL framebuffer object.

Returns: Unsigned int.

Definition at line 367 of file Framebuffer.cpp.

◆ operator=() [2/2]

Framebuffer & galaxy::graphics::Framebuffer::operator= ( const Framebuffer & )

privatedelete

Copy assignment operator.

Member Data Documentation

◆ m_id

unsigned int galaxy::graphics::Framebuffer::m_id

private

OpenGL handle.

Definition at line 167 of file Framebuffer.hpp.

◆ m_width

int galaxy::graphics::Framebuffer::m_width

private

Width cache.

Definition at line 172 of file Framebuffer.hpp.

◆ m_height

int galaxy::graphics::Framebuffer::m_height

private

Height cache.

Definition at line 177 of file Framebuffer.hpp.

◆ m_colour

unsigned int galaxy::graphics::Framebuffer::m_colour

private

Colour attachment id.

Definition at line 182 of file Framebuffer.hpp.

◆ m_renderbuffer

unsigned int galaxy::graphics::Framebuffer::m_renderbuffer

private

Renderbuffer attachment.

Definition at line 187 of file Framebuffer.hpp.

◆ m_storageattach

unsigned int galaxy::graphics::Framebuffer::m_storageattach

private

Storage attachment id.

Definition at line 192 of file Framebuffer.hpp.

◆ m_clear_colour

std::array<float, 4> galaxy::graphics::Framebuffer::m_clear_colour

private

Clear colour.

Definition at line 197 of file Framebuffer.hpp.

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

galaxy/src/galaxy/graphics/gl/Framebuffer.hpp
galaxy/src/galaxy/graphics/gl/Framebuffer.cpp

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Framebuffer() [1/3]

◆ Framebuffer() [2/3]

◆ ~Framebuffer()

◆ Framebuffer() [3/3]

Member Function Documentation

◆ operator=() [1/2]

◆ add_colour_attachment()

◆ add_depth_stencil_renderbuffer()

◆ add_storage_attachment()

◆ create()

◆ read_storagebuffer()

◆ clear_storagebuffer()

◆ set_clear_colour()

◆ begin()

◆ end()

◆ clear() [1/2]

◆ clear() [2/2]

◆ reset()

◆ width()

◆ height()

◆ texture()

◆ id()

◆ operator=() [2/2]

Member Data Documentation

◆ m_id

◆ m_width

◆ m_height

◆ m_colour

◆ m_renderbuffer

◆ m_storageattach

◆ m_clear_colour