Is a callback that can be registered via cogl_onscreen_add_frame_callback() to be called when a frame progresses in some notable way.
Please see the documentation for #CoglFrameEvent and cogl_onscreen_add_frame_callback() for more details about what events can be notified.
The onscreen that the frame is associated with
A #CoglFrameEvent notifying how the frame has progressed
The meta information, such as timing information, about the frame that has progressed.
Is a callback that can be registered via cogl_onscreen_add_frame_callback() to be called when a frame progresses in some notable way.
Please see the documentation for #CoglFrameEvent and cogl_onscreen_add_frame_callback() for more details about what events can be notified.