galaxy::graphics::VertexBuffer Class Reference

Abstraction for OpenGL vertex buffer objects. More...

#include <VertexBuffer.hpp>

Collaboration diagram for galaxy::graphics::VertexBuffer:

Public Member Functions
	VertexBuffer ()
	Constructor.
	VertexBuffer (VertexBuffer &&)
	Move constructor.
VertexBuffer &	operator= (VertexBuffer &&)
	Move assignment operator.
	~VertexBuffer ()
	Destructor.
void	buffer (std::span< Vertex > vertices, std::span< unsigned int > indicies)
	Create vertex buffer object.
void	buffer (const int vertex_count, std::span< unsigned int > indicies)
	Create vertex data without uploading.
void	sub_buffer (const unsigned int index, std::span< Vertex > vertices)
	Sub-buffer vertex object.
void	clear ()
	Clear buffer data.
int	count () const
	Get the index count.
void *	offset ()
	Gets index offset.
unsigned int	id () const
	Get OpenGL handle.

Private Member Functions
	VertexBuffer (const VertexBuffer &)=delete
	Copy constructor.
VertexBuffer &	operator= (const VertexBuffer &)=delete
	Copy assignment operator.

Private Attributes
unsigned int	m_id
	ID returned by OpenGL when generating buffer.
std::size_t	m_offset
	Index buffer offset.
int	m_count
	Index buffer count.

Detailed Description

Abstraction for OpenGL vertex buffer objects.

Definition at line 22 of file VertexBuffer.hpp.

Constructor & Destructor Documentation

VertexBuffer() [1/3]

galaxy::graphics::VertexBuffer::VertexBuffer

(

)

Constructor.

Definition at line 16 of file VertexBuffer.cpp.

VertexBuffer() [2/3]

galaxy::graphics::VertexBuffer::VertexBuffer

(

VertexBuffer &&

v

)

Move constructor.

Definition at line 24 of file VertexBuffer.cpp.

~VertexBuffer()

galaxy::graphics::VertexBuffer::~VertexBuffer

(

)

Destructor.

Definition at line 47 of file VertexBuffer.cpp.

VertexBuffer() [3/3]

galaxy::graphics::VertexBuffer::VertexBuffer ( const VertexBuffer & )

privatedelete

Copy constructor.

Member Function Documentation

operator=() [1/2]

VertexBuffer & galaxy::graphics::VertexBuffer::operator=

(

VertexBuffer &&

v

)

Move assignment operator.

Definition at line 33 of file VertexBuffer.cpp.

buffer() [1/2]

void galaxy::graphics::VertexBuffer::buffer	(	std::span< Vertex >	vertices,
		std::span< unsigned int >	indicies )

Create vertex buffer object.

Parameters

vertices	Vertices to assign.
indicies	Indices for vertex buffer.

Definition at line 55 of file VertexBuffer.cpp.

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buffer() [2/2]

void galaxy::graphics::VertexBuffer::buffer	(	const int	vertex_count,
		std::span< unsigned int >	indicies )

Create vertex data without uploading.

Parameters

vertex_count	Size of vertices.
indicies	Indices for vertex buffer.

Definition at line 66 of file VertexBuffer.cpp.

sub_buffer()

void galaxy::graphics::VertexBuffer::sub_buffer	(	const unsigned int	index,
		std::span< Vertex >	vertices )

Sub-buffer vertex object.

Parameters

index	Offset to start at from initial vertices. 0 = first element.
vertices	Vertices to assign.

Definition at line 77 of file VertexBuffer.cpp.

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clear()

void galaxy::graphics::VertexBuffer::clear

(

)

Clear buffer data.

Definition at line 82 of file VertexBuffer.cpp.

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count()

int galaxy::graphics::VertexBuffer::count ( ) const

nodiscard

Get the index count.

Returns

Integer.

Definition at line 90 of file VertexBuffer.cpp.

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offset()

void * galaxy::graphics::VertexBuffer::offset ( )

nodiscard

Gets index offset.

Returns

Integer as void pointer for opengl shenanigans.

Definition at line 95 of file VertexBuffer.cpp.

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id()

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

nodiscard

Get OpenGL handle.

Returns

Unsigned integer.

Definition at line 100 of file VertexBuffer.cpp.

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operator=() [2/2]

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

privatedelete

Copy assignment operator.

Member Data Documentation

m_id

unsigned int galaxy::graphics::VertexBuffer::m_id

private

ID returned by OpenGL when generating buffer.

Definition at line 112 of file VertexBuffer.hpp.

m_offset

std::size_t galaxy::graphics::VertexBuffer::m_offset

private

Index buffer offset.

Definition at line 117 of file VertexBuffer.hpp.

m_count

int galaxy::graphics::VertexBuffer::m_count

private

Index buffer count.

Definition at line 122 of file VertexBuffer.hpp.

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

• galaxy/src/galaxy/graphics/gl/VertexBuffer.hpp
• galaxy/src/galaxy/graphics/gl/VertexBuffer.cpp