glGetBufferParameteriv

GL_APICALL void GL_APIENTRY glGetBufferParameteriv(
     GLenum target,
     GLenum pname,
     GLint * params
);

	Name	Description
in	target	Target vertex buffer object.
in	pname	Name of the parameter(s) to get.
out	params	Region storing the obtained parameters.

No values are returned.

Gets vertex buffer object parameters.

You can set target to the following values.

`GL_ARRAY_BUFFER`	Vertex buffer.
`GL_ELEMENT_ARRAY_BUFFER`	Index buffer.

You can set pname to the following values.

`GL_BUFFER_SIZE`	Gets the vertex buffer size.
`GL_BUFFER_USAGE`	Gets the vertex buffer's usage (only `GL_STATIC_DRAW` is supported).
`GL_BUFFER_DATA_ADDR_DMP`	Gets the address of vertex data for the bound vertex buffer object(s).

The following errors occur in this function.

`GL_INVALID_OPERATION`	0 is bound to the current buffer object.
`GL_INVALID_ENUM`	The target or pname argument was set to an invalid value.

2010/05/12: Added a value, GL_BUFFER_DATA_ADDR_DMP, that can be specified for pname.
2010/01/07: Initial version.

`glGetBufferParameteriv` Function