ugdk::graphic::opengl::VertexArray Class Reference

#include <ugdk/graphic/opengl/vertexbuffer.h>

Inheritance diagram for ugdk::graphic::opengl::VertexArray:

Collaboration diagram for ugdk::graphic::opengl::VertexArray:

Public Member Functions
	VertexArray (size_t size, GLenum target, GLenum usage)
virtual	~VertexArray ()
virtual void *	map ()
virtual void	unmap ()
virtual void	bind () const
virtual void	unbind () const
virtual void	fill (size_t offset, size_t size, const void *data)
virtual const void *	getPointer (size_t offset) const
Public Member Functions inherited from ugdk::graphic::opengl::VertexBuffer
	VertexBuffer (size_t size, GLenum target, GLenum usage)
virtual	~VertexBuffer ()
size_t	getSize () const
GLenum	getTarget () const
GLenum	getUsage () const

Additional Inherited Members
Static Public Member Functions inherited from ugdk::graphic::opengl::VertexBuffer
static VertexBuffer *	Create (size_t size, GLenum target, GLenum usage)
static std::shared_ptr< const VertexBuffer >	CreateDefaultShared ()
static const VertexBuffer *	CreateDefault ()

Detailed Description

Implementation of VertexBuffer which uses plain arrays to store the data.

This implementation should be supported everywhere, and acts as a fallback on systems which do not support VBOs.

Constructor & Destructor Documentation

ugdk::graphic::opengl::VertexArray::VertexArray	(	size_t	size,
		GLenum	target,
		GLenum	usage
	)

virtual ugdk::graphic::opengl::VertexArray::~VertexArray ( )

virtual

Frees the data we've allocated.

Member Function Documentation

virtual void ugdk::graphic::opengl::VertexArray::bind ( ) const

virtual

Bind the VertexBuffer to the specified target. (GL_ARRAY_BUFFER, GL_ELEMENT_ARRAY_BUFFER).

Parameters

target

GL_ARRAY_BUFFER or GL_ELEMENT_ARRAY_BUFFER.

Implements ugdk::graphic::opengl::VertexBuffer.

virtual void ugdk::graphic::opengl::VertexArray::fill ( size_t  offset, size_t  size, const void *  data  )

virtual

Fill a portion of the buffer with data.

The VertexBuffer must be bound to use this function.

Parameters

offset	The offset in the VertexBuffer to store the data.
size	The size of the incoming data.
data	Pointer to memory to copy data from.

Implements ugdk::graphic::opengl::VertexBuffer.

virtual const void* ugdk::graphic::opengl::VertexArray::getPointer ( size_t  offset ) const

virtual

Get a pointer which represents the specified byte offset.

Parameters

offset

The byte offset. (0 is first byte).

Returns

A pointer which represents the offset.

Implements ugdk::graphic::opengl::VertexBuffer.

virtual void* ugdk::graphic::opengl::VertexArray::map ( )

virtual

Map the VertexBuffer to client memory.

This can be faster for large changes to the buffer. For smaller changes, see fill().

The VertexBuffer must be bound to use this function.

Returns

A pointer to memory which represents the buffer.

Implements ugdk::graphic::opengl::VertexBuffer.

virtual void ugdk::graphic::opengl::VertexArray::unbind ( ) const

virtual

Unbind a prevously bound VertexBuffer.

Implements ugdk::graphic::opengl::VertexBuffer.

virtual void ugdk::graphic::opengl::VertexArray::unmap ( )

virtual

Unmap a previously mapped VertexBuffer. The buffer must be unmapped when used to draw elements.

The VertexBuffer must be bound to use this function.

Implements ugdk::graphic::opengl::VertexBuffer.

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

• modules/ugdk-2d/include/ugdk/graphic/opengl/vertexbuffer.h