Is a callback that can be registered via cogl_onscreen_add_dirty_callback() to be called when the windowing system determines that a region of the onscreen window has been lost and the application should redraw it.
The onscreen that the frame is associated with
A #CoglOnscreenDirtyInfo struct containing the details of the dirty area
Is a callback that can be registered via cogl_onscreen_add_dirty_callback() to be called when the windowing system determines that a region of the onscreen window has been lost and the application should redraw it.