pub mod presentation_time {
    //! Presentation time protocol
    //!
    //! Allows precise feedback on presentation timing for example for smooth video playback.

    wayland_protocol!("presentation-time",
                      (wl_surface, wl_surface_interface),
                      (wl_output, wl_output_interface));
}

pub mod viewporter {
    //! Viewporter protocol
    //!
    //! Gives the capability to scale and crop surfaces, decorrelating the surface dimensions from
    //! the size of the buffer.

    wayland_protocol!("viewporter", (wl_surface, wl_surface_interface));
}