Function ocl_core::enqueue_acquire_gl_buffer

pub fn enqueue_acquire_gl_buffer<En, Ewl>(
    command_queue: &CommandQueue, 
    buffer: &Mem, 
    wait_list: Option<Ewl>, 
    new_event: Option<En>
) -> OclResult<()> where
    En: ClNullEventPtr,
    Ewl: ClWaitListPtr, 

[UNTESTED] Enqueue acquire OpenCL memory objects that have been created from OpenGL objects.