Upgrade backends to calloop 0.4 and renamed gl-traits

Cargo.toml

@@ -10,8 +10,8 @@ repository = "https://github.com/Smithay/smithay"
 members = [ "anvil" ]
 
 [dependencies]
-wayland-server = "0.21.1"
-wayland-sys = "0.21.1"
+wayland-server = "0.21.4"
+wayland-sys = "0.21.3"
 wayland-commons = "0.21.1"
 nix = "0.11"
 xkbcommon = "0.2.1"
@@ -28,7 +28,7 @@ input = { version = "0.4.0", optional = true }
 udev = { version = "0.2.0", optional = true }
 dbus = { version = "0.6.1", optional = true }
 systemd = { version = "^0.2.0", optional = true }
-wayland-protocols = { version = "0.21.1", features = ["unstable_protocols", "native_server"] }
+wayland-protocols = { version = "0.21.3", features = ["unstable_protocols", "native_server"] }
 image = "0.17.0"
 error-chain = "0.11.0"
 lazy_static = "1.0.0"

src/backend/libinput.rs

@@ -7,25 +7,22 @@ use input as libinput;
 use input::event;
 
 use std::{
-    cell::RefCell,
     collections::hash_map::{DefaultHasher, Entry, HashMap},
     hash::{Hash, Hasher},
     io::Error as IoError,
-    os::unix::io::RawFd,
-    path::Path,
-    rc::Rc,
+    os::unix::io::{AsRawFd, RawFd},
 };
 
 use wayland_server::calloop::{
-    generic::{EventedRawFd, Generic},
+    generic::{EventedFd, Generic},
     mio::Ready,
-    LoopHandle, Source,
+    LoopHandle, Source, InsertError,
 };
 
 // No idea if this is the same across unix platforms
 // Lets make this linux exclusive for now, once someone tries to build it for
 // any BSD-like system, they can verify if this is right and make a PR to change this.
-#[cfg(any(target_os = "linux", target_os = "android"))]
+#[cfg(all(any(target_os = "linux", target_os = "android"), feature = "backend_session"))]
 const INPUT_MAJOR: u32 = 13;
 
 /// Libinput based `InputBackend`.
@@ -590,6 +587,12 @@ impl<S: Session> libinput::LibinputInterface for LibinputSessionInterface<S> {
     }
 }
 
+impl AsRawFd for LibinputInputBackend {
+    fn as_raw_fd(&self) -> RawFd {
+        unsafe { self.context.fd() }
+    }
+}
+
 /// Binds a `LibinputInputBackend` to a given `EventLoop`.
 ///
 /// Automatically feeds the backend with incoming events without any manual calls to
@@ -597,22 +600,16 @@ impl<S: Session> libinput::LibinputInterface for LibinputSessionInterface<S> {
 pub fn libinput_bind<Data: 'static>(
     backend: LibinputInputBackend,
     handle: LoopHandle<Data>,
-) -> ::std::result::Result<Source<Generic<EventedRawFd>>, (IoError, LibinputInputBackend)> {
-    let mut source = Generic::from_raw_fd(unsafe { backend.context.fd() });
+) -> ::std::result::Result<Source<Generic<EventedFd<LibinputInputBackend>>>, InsertError<Generic<EventedFd<LibinputInputBackend>>>> {
+    let mut source = Generic::from_fd_source(backend);
     source.set_interest(Ready::readable());
-    let backend = Rc::new(RefCell::new(backend));
-    let fail_backend = backend.clone();
-    handle
-        .insert_source(source, move |_, _| {
+
+    handle.insert_source(source, move |evt, _| {
         use backend::input::InputBackend;
-            if let Err(error) = backend.borrow_mut().dispatch_new_events() {
-                warn!(backend.borrow().logger, "Libinput errored: {}", error);
+        
+        let mut backend = evt.source.borrow_mut();
+        if let Err(error) = backend.0.dispatch_new_events() {
+            warn!(backend.0.logger, "Libinput errored: {}", error);
         }
-        }).map_err(move |e| {
-            // the backend in the closure should already have been dropped
-            let backend = Rc::try_unwrap(fail_backend)
-                .unwrap_or_else(|_| unreachable!())
-                .into_inner();
-            (e.into(), backend)
     })
 }

src/backend/winit.rs

@@ -2,15 +2,16 @@
 
 use backend::{
     graphics::{
+        gl::{GLGraphicsBackend, PixelFormat},
+        CursorBackend,
+        SwapBuffersError,
+    },
     egl::{
         context::GlAttributes,
         error as egl_error,
         error::Result as EGLResult,
         native,
-            wayland::{EGLDisplay, EGLWaylandExtensions},
-            EGLContext, EGLGraphicsBackend, EGLSurface, PixelFormat, SwapBuffersError,
-        },
-        GraphicsBackend,
+        EGLDisplay, EGLContext, EGLGraphicsBackend, EGLSurface,
     },
     input::{
         Axis, AxisSource, Event as BackendEvent, InputBackend, InputHandler, KeyState, KeyboardKeyEvent,
@@ -156,12 +157,12 @@ where
     let reqs = Default::default();
     let window = Rc::new(
         if native::NativeDisplay::<native::Wayland>::is_backend(&winit_window) {
-            let context =
+            let mut context =
                 EGLContext::<native::Wayland, WinitWindow>::new(winit_window, attributes, reqs, log.clone())?;
             let surface = context.create_surface(())?;
             Window::Wayland { context, surface }
         } else if native::NativeDisplay::<native::X11>::is_backend(&winit_window) {
-            let context =
+            let mut context =
                 EGLContext::<native::X11, WinitWindow>::new(winit_window, attributes, reqs, log.clone())?;
             let surface = context.create_surface(())?;
             Window::X11 { context, surface }
@@ -226,8 +227,8 @@ impl WinitGraphicsBackend {
     }
 }
 
-impl GraphicsBackend for WinitGraphicsBackend {
-    type CursorFormat = MouseCursor;
+impl<'a> CursorBackend<'a> for WinitGraphicsBackend {
+    type CursorFormat = &'a MouseCursor;
     type Error = ();
 
     fn set_cursor_position(&self, x: u32, y: u32) -> ::std::result::Result<(), ()> {
@@ -240,11 +241,13 @@ impl GraphicsBackend for WinitGraphicsBackend {
             })
     }
 
-    fn set_cursor_representation(
-        &self,
-        cursor: &Self::CursorFormat,
+    fn set_cursor_representation<'b>(
+        &'b self,
+        cursor: Self::CursorFormat,
         _hotspot: (u32, u32),
-    ) -> ::std::result::Result<(), ()> {
+    ) -> ::std::result::Result<(), ()>
+        where 'a: 'b
+    {
         // Cannot log this one, as `CursorFormat` is not `Debug` and should not be
         debug!(self.logger, "Changing cursor representation");
         self.window.window().set_cursor(*cursor);
@@ -252,7 +255,7 @@ impl GraphicsBackend for WinitGraphicsBackend {
     }
 }
 
-impl EGLGraphicsBackend for WinitGraphicsBackend {
+impl GLGraphicsBackend for WinitGraphicsBackend {
     fn swap_buffers(&self) -> ::std::result::Result<(), SwapBuffersError> {
         trace!(self.logger, "Swapping buffers");
         match *self.window {
@@ -303,7 +306,7 @@ impl EGLGraphicsBackend for WinitGraphicsBackend {
     }
 }
 
-impl EGLWaylandExtensions for WinitGraphicsBackend {
+impl EGLGraphicsBackend for WinitGraphicsBackend {
     fn bind_wl_display(&self, display: &Display) -> EGLResult<EGLDisplay> {
         match *self.window {
             Window::Wayland { ref context, .. } => context.bind_wl_display(display),