code: update to wlroots 0.11.0

 README.md          |  2 +-
 river/Cursor.zig   |  4 ++--
 river/Keyboard.zig |  7 +++----
 river/Seat.zig     |  5 +++--
 river/Server.zig   |  7 +++----
 river/View.zig     | 10 +++++-----
 river/render.zig   |  2 +-
 7 files changed, 18 insertions(+), 19 deletions(-)

diff --git a/README.md b/README.md
index 6f3e9df..0cdb98f 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ installed:
 - [zig](https://github.com/ziglang/zig) 0.6.0
 - wayland
 - wayland-protocols
-- [wlroots](https://github.com/swaywm/wlroots) 0.10.1
+- [wlroots](https://github.com/swaywm/wlroots) 0.11.0
 - xkbcommon
 - pixman
 - pkg-config
diff --git a/river/Cursor.zig b/river/Cursor.zig
index 5c3e1b1..a1ed427 100644
--- a/river/Cursor.zig
+++ b/river/Cursor.zig
@@ -130,7 +130,7 @@ pub fn setTheme(self: *Self, theme: ?[*:0]const u8, size: ?u32) !void {
     var it = server.root.outputs.first;
     while (it) |node| : (it = node.next) {
         const wlr_output = node.data.wlr_output;
-        if (c.wlr_xcursor_manager_load(self.wlr_xcursor_manager, wlr_output.scale) != 0)
+        if (!c.wlr_xcursor_manager_load(self.wlr_xcursor_manager, wlr_output.scale))
             log.err(.cursor, "failed to load xcursor theme '{}' at scale {}", .{ theme, wlr_output.scale });
     }
 
@@ -143,7 +143,7 @@ pub fn setTheme(self: *Self, theme: ?[*:0]const u8, size: ?u32) !void {
         if (theme) |t| if (c.setenv("XCURSOR_THEME", t, 1) < 0) return error.OutOfMemory;
 
         if (build_options.xwayland) {
-            if (c.wlr_xcursor_manager_load(self.wlr_xcursor_manager, 1) == 0) {
+            if (c.wlr_xcursor_manager_load(self.wlr_xcursor_manager, 1)) {
                 const wlr_xcursor = c.wlr_xcursor_manager_get_xcursor(self.wlr_xcursor_manager, "left_ptr", 1).?;
                 const image: *c.wlr_xcursor_image = wlr_xcursor.*.images[0];
                 c.wlr_xwayland_set_cursor(
diff --git a/river/Keyboard.zig b/river/Keyboard.zig
index c52a392..24e4022 100644
--- a/river/Keyboard.zig
+++ b/river/Keyboard.zig
@@ -46,18 +46,17 @@ pub fn init(self: *Self, seat: *Seat, wlr_input_device: *c.wlr_input_device) !vo
         .variant = null,
         .options = null,
     };
-    const context = c.xkb_context_new(.XKB_CONTEXT_NO_FLAGS) orelse return error.CreateXkbContextError;
+    const context = c.xkb_context_new(.XKB_CONTEXT_NO_FLAGS) orelse return error.XkbContextFailed;
     defer c.xkb_context_unref(context);
 
     const keymap = c.xkb_keymap_new_from_names(
         context,
         &rules,
         .XKB_KEYMAP_COMPILE_NO_FLAGS,
-    ) orelse return error.CreateXkbKeymapError;
+    ) orelse return error.XkbKeymapFailed;
     defer c.xkb_keymap_unref(keymap);
 
-    // TODO: handle failure after https://github.com/swaywm/wlroots/pull/2081
-    c.wlr_keyboard_set_keymap(self.wlr_keyboard, keymap);
+    if (!c.wlr_keyboard_set_keymap(self.wlr_keyboard, keymap)) return error.SetKeymapFailed;
     c.wlr_keyboard_set_repeat_info(self.wlr_keyboard, 25, 600);
 
     // Setup listeners for keyboard events
diff --git a/river/Seat.zig b/river/Seat.zig
index c3d75db..886cacc 100644
--- a/river/Seat.zig
+++ b/river/Seat.zig
@@ -294,8 +294,9 @@ fn addKeyboard(self: *Self, device: *c.wlr_input_device) !void {
     const node = try self.keyboards.allocateNode(util.gpa);
     node.data.init(self, device) catch |err| {
         switch (err) {
-            error.CreateXkbContextError => log.err(.keyboard, "Failed to create XKB context", .{}),
-            error.CreateXkbKeymapError => log.err(.keyboard, "Failed to create XKB keymap", .{}),
+            error.XkbContextFailed => log.err(.keyboard, "Failed to create XKB context", .{}),
+            error.XkbKeymapFailed => log.err(.keyboard, "Failed to create XKB keymap", .{}),
+            error.SetKeymapFailed => log.err(.keyboard, "Failed to set wlr keyboard keymap", .{}),
         }
         return;
     };
diff --git a/river/Server.zig b/river/Server.zig
index 0621a58..66af1e7 100644
--- a/river/Server.zig
+++ b/river/Server.zig
@@ -84,9 +84,8 @@ pub fn init(self: *Self) !void {
     // The renderer is responsible for defining the various pixel formats it
     // supports for shared memory, this configures that for clients.
     const wlr_renderer = c.river_wlr_backend_get_renderer(self.wlr_backend).?;
-    // TODO: Handle failure after https://github.com/swaywm/wlroots/pull/2080
-    c.wlr_renderer_init_wl_display(wlr_renderer, self.wl_display); // orelse
-    //    return error.CantInitWlDisplay;
+    if (!c.wlr_renderer_init_wl_display(wlr_renderer, self.wl_display)) return error.DisplayInitFailed;
+
     self.listen_new_output.notify = handleNewOutput;
     c.wl_signal_add(&self.wlr_backend.events.new_output, &self.listen_new_output);
 
@@ -149,7 +148,7 @@ pub fn start(self: Self) !void {
     if (!c.river_wlr_backend_start(self.wlr_backend)) return error.StartBackendError;
     if (c.setenv("WAYLAND_DISPLAY", socket, 1) < 0) return error.SetenvError;
     if (build_options.xwayland) {
-        if (c.setenv("DISPLAY", &self.wlr_xwayland.display_name, 1) < 0) return error.SetenvError;
+        if (c.setenv("DISPLAY", self.wlr_xwayland.display_name, 1) < 0) return error.SetenvError;
     }
 }
 
diff --git a/river/View.zig b/river/View.zig
index b405602..3df7e1c 100644
--- a/river/View.zig
+++ b/river/View.zig
@@ -50,7 +50,7 @@ const State = struct {
 };
 
 const SavedBuffer = struct {
-    wlr_buffer: *c.wlr_buffer,
+    wlr_client_buffer: *c.wlr_client_buffer,
     box: Box,
     transform: c.wl_output_transform,
 };
@@ -127,7 +127,7 @@ pub fn init(self: *Self, output: *Output, tags: u32, surface: var) void {
 }
 
 pub fn deinit(self: Self) void {
-    for (self.saved_buffers.items) |buffer| c.wlr_buffer_unref(buffer.wlr_buffer);
+    for (self.saved_buffers.items) |buffer| c.wlr_buffer_unlock(&buffer.wlr_client_buffer.*.base);
     self.saved_buffers.deinit();
 }
 
@@ -152,7 +152,7 @@ pub fn sendFrameDone(self: Self) void {
 }
 
 pub fn dropSavedBuffers(self: *Self) void {
-    for (self.saved_buffers.items) |buffer| c.wlr_buffer_unref(buffer.wlr_buffer);
+    for (self.saved_buffers.items) |buffer| c.wlr_buffer_unlock(&buffer.wlr_client_buffer.*.base);
     self.saved_buffers.items.len = 0;
 }
 
@@ -176,7 +176,7 @@ fn saveBuffersIterator(
     if (wlr_surface) |surface| {
         if (c.wlr_surface_has_buffer(surface)) {
             saved_buffers.append(.{
-                .wlr_buffer = surface.buffer,
+                .wlr_client_buffer = surface.buffer,
                 .box = Box{
                     .x = surface_x,
                     .y = surface_y,
@@ -185,7 +185,7 @@ fn saveBuffersIterator(
                 },
                 .transform = surface.current.transform,
             }) catch return;
-            _ = c.wlr_buffer_ref(surface.buffer);
+            _ = c.wlr_buffer_lock(&surface.buffer.*.base);
         }
     }
 }
diff --git a/river/render.zig b/river/render.zig
index 0ef67b5..fc72266 100644
--- a/river/render.zig
+++ b/river/render.zig
@@ -156,7 +156,7 @@ fn renderView(output: Output, view: *View, now: *c.timespec) void {
         for (view.saved_buffers.items) |saved_buffer|
             renderTexture(
                 output,
-                saved_buffer.wlr_buffer.texture,
+                saved_buffer.wlr_client_buffer.texture,
                 .{
                     .x = saved_buffer.box.x + view.current.box.x - view.saved_surface_box.x,
                     .y = saved_buffer.box.y + view.current.box.y - view.saved_surface_box.y,