48     fn create(width: u32, height: u32) -> Surface {  in create()
106     fn create_surface(&mut self, width: u32, height: u32) -> u32 {  in create_surface()
120     fn destroy_surface(&mut self, surface_id: u32) {  in destroy_surface()
124     fn flip_surface(&mut self, surface_id: u32) {  in flip_surface()
153         parent_surface_id: Option<u32>,  in create_surface()
154         width: u32,  in create_surface()
155         height: u32,  in create_surface()
156     ) -> Result<u32, GpuDisplayError> {  in create_surface()
163     fn release_surface(&mut self, surface_id: u32) {  in release_surface()
177     fn flip(&mut self, surface_id: u32) {  in flip()
188         _offset: u32,  in import_dmabuf()
189         _stride: u32,  in import_dmabuf()
191         _width: u32,  in import_dmabuf()
192         _height: u32,  in import_dmabuf()
193         _fourcc: u32,  in import_dmabuf()
194     ) -> Result<u32, GpuDisplayError> {  in import_dmabuf()
198     fn release_import(&mut self, _import_id: u32) {  in release_import()
202     fn commit(&mut self, _surface_id: u32) {  in commit()
206     fn flip_to(&mut self, _surface_id: u32, _import_id: u32) {  in flip_to()
210     fn set_position(&mut self, _surface_id: u32, _x: u32, _y: u32) {  in set_position()
214     fn import_event_device(&mut self, _event_device: EventDevice) -> Result<u32, GpuDisplayError> {  in import_event_device()
218     fn release_event_device(&mut self, _event_device_id: u32) {  in release_event_device()
222     fn attach_event_device(&mut self, _surface_id: u32, _event_device_id: u32) {  in attach_event_device()