glGetVertexAttribPointerv — return the address of the specified generic vertex attribute pointer
void glGetVertexAttribPointerv( | GLuint | index, |
| GLenum | pname, | |
| GLvoid ** | pointer); |
indexSpecifies the generic vertex attribute parameter to be returned.
pnameSpecifies the symbolic name of the generic vertex attribute parameter to be returned. Must be GL_VERTEX_ATTRIB_ARRAY_POINTER.
pointerReturns the pointer value.
glGetVertexAttribPointerv returns pointer information. index is the generic vertex attribute to be queried, pname is a symbolic constant indicating the pointer to be returned, and params is a pointer to a location in which to place the returned data.
If a non-zero named buffer object was bound to the GL_ARRAY_BUFFER target (see glBindBuffer) when the desired pointer was previously specified, the pointer returned is a byte offset into the buffer object's data store.
glGetVertexAttribPointerv is available only if the GL version is 2.0 or greater.
The pointer returned is client-side state.
The initial value for each pointer is 0.
GL_INVALID_VALUE is generated if index is greater than or equal to GL_MAX_VERTEX_ATTRIBS.
GL_INVALID_ENUM is generated if pname is not an accepted value.
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