This class wraps an OpenGL buffer object. More...

#include <vertex_buffer_object.hpp>

Public Member Functions
	Buffer (void)
	Generates a new buffer object. More...

	~Buffer (void)
	Deletes the buffer object. More...

GLuint	getHandle ()
	Returns the handle of the buffer object. More...

void	bind (BufferTarget target)
	Binds the buffer object with the specified target. More...

void	uploadData (BufferTarget target, long size, float *data, BufferUsage usage)
	Uploads the specified data to the buffer object. More...

void	uploadData (BufferTarget target, long size, std::vector< float > data, BufferUsage usage)
	Uploads the specified data to the buffer object. More...

void	uploadData (BufferTarget target, long size, std::vector< glm::vec2 > data, BufferUsage usage)
	Uploads the specified data to the buffer object. More...

void	uploadData (BufferTarget target, long size, std::vector< glm::vec3 > data, BufferUsage usage)
	Uploads the specified data to the buffer object. More...

void	uploadData (BufferTarget target, long size, std::vector< glm::vec4 > data, BufferUsage usage)
	Uploads the specified data to the buffer object. More...

void	uploadData (BufferTarget target, long size, BufferUsage usage)
	Uploads NULL data to the buffer object to allocate memory. More...

void	uploadSubData (BufferTarget target, long offset, long size, float *data)
	Uploads the specified data to the buffer object starting at the offset. More...

void	uploadSubData (BufferTarget target, long offset, long size, std::vector< float > data)
	Uploads the specified data to the buffer object starting at the offset. More...

void	uploadSubData (BufferTarget target, long offset, long size, std::vector< glm::vec2 > data)
	Uploads the specified data to the buffer object starting at the offset. More...

void	uploadSubData (BufferTarget target, long offset, long size, std::vector< glm::vec3 > data)
	Uploads the specified data to the buffer object starting at the offset. More...

void	uploadSubData (BufferTarget target, long offset, long size, std::vector< glm::vec4 > data)
	Uploads the specified data to the buffer object starting at the offset. More...

void *	map (BufferTarget target, MapAccess access)
	Maps the buffer object. More...

void *	mapRange (BufferTarget target, long offset, long length, MapRangeAccess access)
	Maps the buffer object starting at the offset. More...

void	unmap (BufferTarget target)
	Unmaps the buffer object. More...

Detailed Description

This class wraps an OpenGL buffer object.

Definition at line 106 of file vertex_buffer_object.hpp.

Constructor & Destructor Documentation

sgl::Buffer::Buffer ( void )

Generates a new buffer object.

Definition at line 17 of file vertex_buffer_object.cpp.

sgl::Buffer::~Buffer ( void )

Deletes the buffer object.

Definition at line 21 of file vertex_buffer_object.cpp.

Member Function Documentation

void sgl::Buffer::bind ( BufferTarget target )

Binds the buffer object with the specified target.

Parameters

target Target to bind.

Definition at line 34 of file vertex_buffer_object.cpp.

GLuint sgl::Buffer::getHandle ( )

Returns the handle of the buffer object.

Returns: The handle of the buffer object.

Definition at line 30 of file vertex_buffer_object.cpp.

void * sgl::Buffer::map	(	BufferTarget	target,
		MapAccess	access
	)

Maps the buffer object.

Parameters

target	Target to map.
access	Access policy of the mapping.

Returns: A pointer to the data storage.

Definition at line 89 of file vertex_buffer_object.cpp.

void * sgl::Buffer::mapRange	(	BufferTarget	target,
		long	offset,
		long	length,
		MapRangeAccess	access
	)

Maps the buffer object starting at the offset.

Parameters

target	Target to map.
offset	Offset where the mapping should start.
length	Length of the mapping in bytes.
access	Access policy of the mapping.

Returns: A pointer to the data storage.

Definition at line 93 of file vertex_buffer_object.cpp.

void sgl::Buffer::unmap ( BufferTarget target )

Unmaps the buffer object.

Parameters

target Target to unmap.

Definition at line 97 of file vertex_buffer_object.cpp.

void sgl::Buffer::uploadData	(	BufferTarget	target,
		long	size,
		float *	data,
		BufferUsage	usage
	)

Uploads the specified data to the buffer object.

Parameters

target	Target to upload.
size	Size in bytes of the data to upload.
data	The data to upload as a float array.
usage	Usage of the data.

Definition at line 45 of file vertex_buffer_object.cpp.

void sgl::Buffer::uploadData	(	BufferTarget	target,
		long	size,
		std::vector< float >	data,
		BufferUsage	usage
	)

Uploads the specified data to the buffer object.

Parameters

target	Target to upload.
size	Size in bytes of the data to upload.
data	The data to upload as a float vector.
usage	Usage of the data.

Definition at line 49 of file vertex_buffer_object.cpp.

void sgl::Buffer::uploadData	(	BufferTarget	target,
		long	size,
		std::vector< glm::vec2 >	data,
		BufferUsage	usage
	)

Uploads the specified data to the buffer object.

Parameters

target	Target to upload.
size	Size in bytes of the data to upload.
data	The data to upload as a float vector.
usage	Usage of the data.

Definition at line 53 of file vertex_buffer_object.cpp.

void sgl::Buffer::uploadData	(	BufferTarget	target,
		long	size,
		std::vector< glm::vec3 >	data,
		BufferUsage	usage
	)

Uploads the specified data to the buffer object.

Parameters

target	Target to upload.
size	Size in bytes of the data to upload.
data	The data to upload as a float vector.
usage	Usage of the data.

Definition at line 57 of file vertex_buffer_object.cpp.

void sgl::Buffer::uploadData	(	BufferTarget	target,
		long	size,
		std::vector< glm::vec4 >	data,
		BufferUsage	usage
	)

Uploads the specified data to the buffer object.

Parameters

target	Target to upload.
size	Size in bytes of the data to upload.
data	The data to upload as a float vector.
usage	Usage of the data.

Definition at line 61 of file vertex_buffer_object.cpp.

void sgl::Buffer::uploadData	(	BufferTarget	target,
		long	size,
		BufferUsage	usage
	)

Uploads NULL data to the buffer object to allocate memory.

Parameters

target	Target to upload.
size	Size in bytes of the data store.
usage	Usage of the data.

Definition at line 65 of file vertex_buffer_object.cpp.

void sgl::Buffer::uploadSubData	(	BufferTarget	target,
		long	offset,
		long	size,
		float *	data
	)