25 pub enum GpuDisplayError {  enum
48 impl Display for GpuDisplayError {  implementation
50         use self::GpuDisplayError::*;  in fmt()
132     ) -> Result<u32, GpuDisplayError>;  in import_dmabuf()  argument
140     ) -> Result<u32, GpuDisplayError>;  in create_surface()  argument
160     fn import_event_device(&mut self, event_device: EventDevice) -> Result<u32, GpuDisplayError>;  in import_event_device()  argument
175     pub fn open_x<S: AsRef<str>>(display_name: Option<S>) -> Result<GpuDisplay, GpuDisplayError> {  in open_x()  argument
187         Err(GpuDisplayError::Unsupported)  in open_x()
193     ) -> Result<GpuDisplay, GpuDisplayError> {  in open_wayland()  argument
202     pub fn open_stub() -> Result<GpuDisplay, GpuDisplayError> {  in open_stub()
223     ) -> Result<u32, GpuDisplayError> {  in import_dmabuf()  argument
246     ) -> Result<u32, GpuDisplayError> {  in create_surface()  argument
315     ) -> Result<u32, GpuDisplayError> {  in import_event_device()  argument