Update glutin to 0.30.0

The glutin 0.30.0 update decouples glutin from winit which
provides us with basis for a multithreaded renderer. This
also improves robustness of our configuration picking,
context creation, and surface handling.

As an example we're now able to start on systems without a vsync,
we don't try to build lots of contexts to check if some config works,
and so on.

That also brings us possibility to handle context losses, but that's
a future work.

Fixes #1268.

27 files changed, 774 insertions, 622 deletions

diff --git a/.builds/freebsd.yml b/.builds/freebsd.yml
index 3cd2a60d..4aa4113b 100644
--- a/.builds/freebsd.yml
+++ b/.builds/freebsd.yml
@@ -24,8 +24,8 @@ tasks:
       cargo test
   - oldstable: |
       cd alacritty
-      rustup toolchain install --profile minimal 1.57.0
-      rustup default 1.57.0
+      rustup toolchain install --profile minimal 1.60.0
+      rustup default 1.60.0
       cargo test
   - clippy: |
       cd alacritty
diff --git a/.builds/linux.yml b/.builds/linux.yml
index a61afd3a..4e6e0a0b 100644
--- a/.builds/linux.yml
+++ b/.builds/linux.yml
@@ -27,8 +27,8 @@ tasks:
       cargo +nightly fmt -- --check
   - oldstable: |
       cd alacritty
-      rustup toolchain install --profile minimal 1.57.0
-      rustup default 1.57.0
+      rustup toolchain install --profile minimal 1.60.0
+      rustup default 1.60.0
       cargo test
   - clippy: |
       cd alacritty
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dea6dd4a..652e65aa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
         run: cargo test
       - name: Oldstable
         run: |
-          rustup default 1.57.0
+          rustup default 1.60.0
           cargo test
       - name: Clippy
         run: |
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2bc9fe55..7a3cfe0e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ### Packaging
 
+- Minimum Rust version has been bumped to 1.60.0
+
+## 0.11.0
+
+### Packaging
+
 - Minimum Rust version has been bumped to 1.57.0
 - Renamed `io.alacritty.Alacritty.appdata.xml` to `org.alacritty.Alacritty.appdata.xml`
 - Renamed `io.alacritty` to `org.alacritty` for `Alacritty.app`
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index bd2dbd77..65879dbd 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -42,7 +42,7 @@ and
 [easy](https://github.com/alacritty/alacritty/issues?q=is%3Aopen+is%3Aissue+label%3A%22D+-+easy%22)
 issues.
 
-Please note that the minimum supported version of Alacritty is Rust 1.57.0. All patches are expected
+Please note that the minimum supported version of Alacritty is Rust 1.60.0. All patches are expected
 to work with the minimum supported version.
 
 Since `alacritty_terminal`'s version always tracks the next release, make sure that the version is
diff --git a/Cargo.lock b/Cargo.lock
index a545c28d..fa2eac1d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -40,6 +40,7 @@ dependencies = [
  "unicode-width",
  "wayland-client",
  "windows-sys",
+ "winit",
  "x11-dl",
  "xdg",
 ]
@@ -185,6 +186,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
+name = "cfg_aliases"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd16c4719339c4530435d38e511904438d07cce7950afa3718a84ac36c10e89e"
+
+[[package]]
 name = "cgl"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -660,55 +667,42 @@ dependencies = [
 
 [[package]]
 name = "glutin"
-version = "0.29.1"
+version = "0.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "444c9ad294fdcaf20ccf6726b78f380b5450275540c9b68ab62f49726ad1c713"
+checksum = "34acbf502536f1d125f0fc09b6ad8824e93e6da7b99e86d3383e6b8310ba3554"
 dependencies = [
+ "bitflags",
+ "cfg_aliases",
  "cgl",
  "cocoa",
  "core-foundation",
  "glutin_egl_sys",
- "glutin_gles2_sys",
  "glutin_glx_sys",
  "glutin_wgl_sys",
  "libloading",
- "log",
  "objc",
  "once_cell",
- "osmesa-sys",
- "parking_lot 0.12.1",
  "raw-window-handle 0.5.0",
- "wayland-client",
- "wayland-egl",
- "winapi 0.3.9",
- "winit",
+ "wayland-sys 0.30.0-beta.12",
+ "windows-sys",
+ "x11-dl",
 ]
 
 [[package]]
 name = "glutin_egl_sys"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68900f84b471f31ea1d1355567eb865a2cf446294f06cef8d653ed7bcf5f013d"
-dependencies = [
- "gl_generator",
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "glutin_gles2_sys"
-version = "0.1.5"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8094e708b730a7c8a1954f4f8a31880af00eb8a1c5b5bf85d28a0a3c6d69103"
+checksum = "2c3c95a2d7a54bab0c74759794efb5cd63470d4504cbe85ed4114dc82c98bdc1"
 dependencies = [
  "gl_generator",
- "objc",
+ "windows-sys",
 ]
 
 [[package]]
 name = "glutin_glx_sys"
-version = "0.1.8"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d93d0575865098580c5b3a423188cd959419912ea60b1e48e8b3b526f6d02468"
+checksum = "947c4850c58211c9627969c2b4e2674764b81ae5b47bab2c9a477d7942f96e0f"
 dependencies = [
  "gl_generator",
  "x11-dl",
@@ -716,9 +710,9 @@ dependencies = [
 
 [[package]]
 name = "glutin_wgl_sys"
-version = "0.1.5"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3da5951a1569dbab865c6f2a863efafff193a93caf05538d193e9e3816d21696"
+checksum = "20c33975a6c9d49d72c8f032a60079bf8df536954fbf9e4cee90396ace815c57"
 dependencies = [
  "gl_generator",
 ]
@@ -1206,15 +1200,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ff7415e9ae3fff1225851df9e0d9e4e5479f947619774677a63572e55e80eff"
 
 [[package]]
-name = "osmesa-sys"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88cfece6e95d2e717e0872a7f53a8684712ad13822a7979bc760b9c77ec0013b"
-dependencies = [
- "shared_library",
-]
-
-[[package]]
 name = "parking_lot"
 version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1529,16 +1514,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "shared_library"
-version = "0.1.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a9e7e0f2bfae24d8a5b5a66c5b257a83c7412304311512a0c054cd5e619da11"
-dependencies = [
- "lazy_static",
- "libc",
-]
-
-[[package]]
 name = "signal-hook"
 version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1868,7 +1843,7 @@ dependencies = [
  "scoped-tls",
  "wayland-commons",
  "wayland-scanner",
- "wayland-sys",
+ "wayland-sys 0.29.5",
 ]
 
 [[package]]
@@ -1880,7 +1855,7 @@ dependencies = [
  "nix",
  "once_cell",
  "smallvec",
- "wayland-sys",
+ "wayland-sys 0.29.5",
 ]
 
 [[package]]
@@ -1895,16 +1870,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "wayland-egl"
-version = "0.29.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "402de949f81a012926d821a2d659f930694257e76dd92b6e0042ceb27be4107d"
-dependencies = [
- "wayland-client",
- "wayland-sys",
-]
-
-[[package]]
 name = "wayland-protocols"
 version = "0.29.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1939,6 +1904,18 @@ dependencies = [
 ]
 
 [[package]]
+name = "wayland-sys"
+version = "0.30.0-beta.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1117fe4570fe063122ba2b1b1e39e56fb1a73921d395f9288af06af0dd1c7f55"
+dependencies = [
+ "dlib",
+ "lazy_static",
+ "log",
+ "pkg-config",
+]
+
+[[package]]
 name = "web-sys"
 version = "0.3.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/alacritty/Cargo.toml b/alacritty/Cargo.toml
index 4ca77b11..c414e766 100644
--- a/alacritty/Cargo.toml
+++ b/alacritty/Cargo.toml
@@ -7,7 +7,7 @@ description = "A fast, cross-platform, OpenGL terminal emulator"
 readme = "README.md"
 homepage = "https://github.com/alacritty/alacritty"
 edition = "2021"
-rust-version = "1.57.0"
+rust-version = "1.60.0"
 
 [dependencies.alacritty_terminal]
 path = "../alacritty_terminal"
@@ -29,11 +29,13 @@ fnv = "1"
 serde = { version = "1", features = ["derive"] }
 serde_yaml = "0.8"
 serde_json = "1"
-glutin = { version = "0.29.1", default-features = false, features = ["serde"] }
+glutin = { version = "0.30.0", default-features = false, features = ["egl", "wgl"] }
+winit = { version = "0.27.4", default-features = false, features = ["serde"] }
 notify = "4"
 parking_lot = "0.12.0"
 crossfont = { version = "0.5.0", features = ["force_system_fontconfig"] }
 copypasta = { version = "0.8.1", default-features = false }
+raw-window-handle = "0.5.0"
 libc = "0.2"
 unicode-width = "0.1"
 bitflags = "1"
@@ -74,11 +76,18 @@ embed-resource = "1.7.2"
 
 [features]
 default = ["wayland", "x11"]
-x11 = ["copypasta/x11", "glutin/x11", "x11-dl", "png"]
+x11 = [
+    "copypasta/x11",
+    "winit/x11",
+    "glutin/x11",
+    "glutin/glx",
+    "x11-dl",
+    "png"]
 wayland = [
     "copypasta/wayland",
     "glutin/wayland",
-    "glutin/wayland-dlopen",
-    "glutin/wayland-csd-adwaita",
+    "winit/wayland",
+    "winit/wayland-dlopen",
+    "winit/wayland-csd-adwaita",
     "wayland-client"]
 nightly = []
diff --git a/alacritty/src/config/bindings.rs b/alacritty/src/config/bindings.rs
index 3aae25ed..7b654b66 100644
--- a/alacritty/src/config/bindings.rs
+++ b/alacritty/src/config/bindings.rs
@@ -3,11 +3,11 @@
 use std::fmt::{self, Debug, Display};
 
 use bitflags::bitflags;
-use glutin::event::VirtualKeyCode::*;
-use glutin::event::{ModifiersState, MouseButton, VirtualKeyCode};
 use serde::de::{self, Error as SerdeError, MapAccess, Unexpected, Visitor};
 use serde::{Deserialize, Deserializer};
 use serde_yaml::Value as SerdeValue;
+use winit::event::VirtualKeyCode::*;
+use winit::event::{ModifiersState, MouseButton, VirtualKeyCode};
 
 use alacritty_config_derive::{ConfigDeserialize, SerdeReplace};
 
@@ -1187,7 +1187,7 @@ impl<'a> Deserialize<'a> for KeyBinding {
     }
 }
 
-/// Newtype for implementing deserialize on glutin Mods.
+/// Newtype for implementing deserialize on winit Mods.
 ///
 /// Our deserialize impl wouldn't be covered by a derive(Deserialize); see the
 /// impl below.
@@ -1242,7 +1242,7 @@ impl<'a> de::Deserialize<'a> for ModsWrapper {
 mod tests {
     use super::*;
 
-    use glutin::event::ModifiersState;
+    use winit::event::ModifiersState;
 
     type MockBinding = Binding<usize>;
 
diff --git a/alacritty/src/config/monitor.rs b/alacritty/src/config/monitor.rs
index 8981570c..f6d52e2f 100644
--- a/alacritty/src/config/monitor.rs
+++ b/alacritty/src/config/monitor.rs
@@ -2,9 +2,9 @@ use std::path::PathBuf;
 use std::sync::mpsc;
 use std::time::Duration;
 
-use glutin::event_loop::EventLoopProxy;
 use log::{debug, error};
 use notify::{watcher, DebouncedEvent, RecursiveMode, Watcher};
+use winit::event_loop::EventLoopProxy;
 
 use alacritty_terminal::thread;
 
diff --git a/alacritty/src/config/ui_config.rs b/alacritty/src/config/ui_config.rs
index a332b737..f58097cf 100644
--- a/alacritty/src/config/ui_config.rs
+++ b/alacritty/src/config/ui_config.rs
@@ -3,11 +3,11 @@ use std::fmt::{self, Formatter};
 use std::path::PathBuf;
 use std::rc::Rc;
 
-use glutin::event::{ModifiersState, VirtualKeyCode};
 use log::error;
 use serde::de::{Error as SerdeError, MapAccess, Visitor};
 use serde::{self, Deserialize, Deserializer};
 use unicode_width::UnicodeWidthChar;
+use winit::event::{ModifiersState, VirtualKeyCode};
 
 use alacritty_config_derive::{ConfigDeserialize, SerdeReplace};
 use alacritty_terminal::config::{
diff --git a/alacritty/src/config/window.rs b/alacritty/src/config/window.rs
index 5d63d60f..f1a74232 100644
--- a/alacritty/src/config/window.rs
+++ b/alacritty/src/config/window.rs
@@ -1,10 +1,10 @@
 use std::fmt::{self, Formatter};
 use std::os::raw::c_ulong;
 
-use glutin::window::Fullscreen;
 use log::{error, warn};
 use serde::de::{self, MapAccess, Visitor};
 use serde::{Deserialize, Deserializer, Serialize};
+use winit::window::Fullscreen;
 
 use alacritty_config_derive::{ConfigDeserialize, SerdeReplace};
 use alacritty_terminal::config::{Percentage, LOG_TARGET_CONFIG};
@@ -116,14 +116,14 @@ impl WindowConfig {
     pub fn decorations_theme_variant(&self) -> Option<&str> {
         self.gtk_theme_variant
             .as_ref()
-            .or_else(|| self.decorations_theme_variant.as_ref())
+            .or(self.decorations_theme_variant.as_ref())
             .map(|theme| theme.as_str())
     }
 
     #[inline]
-    pub fn padding(&self, scale_factor: f64) -> (f32, f32) {
-        let padding_x = (f32::from(self.padding.x) * scale_factor as f32).floor();
-        let padding_y = (f32::from(self.padding.y) * scale_factor as f32).floor();
+    pub fn padding(&self, scale_factor: f32) -> (f32, f32) {
+        let padding_x = (f32::from(self.padding.x) * scale_factor).floor();
+        let padding_y = (f32::from(self.padding.y) * scale_factor).floor();
         (padding_x, padding_y)
     }
 
diff --git a/alacritty/src/display/damage.rs b/alacritty/src/display/damage.rs
index d9b271c5..380a2f63 100644
--- a/alacritty/src/display/damage.rs
+++ b/alacritty/src/display/damage.rs
@@ -1,7 +1,7 @@
 use std::cmp;
 use std::iter::Peekable;
 
-use glutin::Rect;
+use glutin::surface::Rect;
 
 use alacritty_terminal::term::{LineDamageBounds, TermDamageIterator};
 
@@ -25,17 +25,23 @@ impl<'a> RenderDamageIterator<'a> {
         let x = size_info.padding_x() + line_damage.left as u32 * size_info.cell_width();
         let y = y_top - (line_damage.line + 1) as u32 * size_info.cell_height();
         let width = (line_damage.right - line_damage.left + 1) as u32 * size_info.cell_width();
-        Rect { x, y, height: size_info.cell_height(), width }
+        Rect::new(x as i32, y as i32, width as i32, size_info.cell_height() as i32)
     }
 
     // Make sure to damage near cells to include wide chars.
     #[inline]
     fn overdamage(&self, mut rect: Rect) -> Rect {
         let size_info = &self.size_info;
-        rect.x = rect.x.saturating_sub(size_info.cell_width());
-        rect.width = cmp::min(size_info.width() - rect.x, rect.width + 2 * size_info.cell_width());
-        rect.y = rect.y.saturating_sub(size_info.cell_height() / 2);
-        rect.height = cmp::min(size_info.height() - rect.y, rect.height + size_info.cell_height());
+        rect.x = rect.x.saturating_sub(size_info.cell_width() as i32);
+        rect.width = cmp::min(
+            size_info.width() as i32 - rect.x,
+            rect.width + 2 * size_info.cell_width() as i32,
+        );
+        rect.y = rect.y.saturating_sub(size_info.cell_height() as i32 / 2);
+        rect.height = cmp::min(
+            size_info.height() as i32 - rect.y,
+            rect.height + size_info.cell_height() as i32,
+        );
 
         rect
     }
@@ -63,7 +69,7 @@ impl<'a> Iterator for RenderDamageIterator<'a> {
     }
 }
 
-/// Check if two given [`glutin::Rect`] overlap.
+/// Check if two given [`glutin::surface::Rect`] overlap.
 fn rects_overlap(lhs: Rect, rhs: Rect) -> bool {
     !(
         // `lhs` is left of `rhs`.
@@ -77,12 +83,12 @@ fn rects_overlap(lhs: Rect, rhs: Rect) -> bool {
     )
 }
 
-/// Merge two [`glutin::Rect`] by producing the smallest rectangle that contains both.
+/// Merge two [`glutin::surface::Rect`] by producing the smallest rectangle that contains both.
 #[inline]
 fn merge_rects(lhs: Rect, rhs: Rect) -> Rect {
     let left_x = cmp::min(lhs.x, rhs.x);
     let right_x = cmp::max(lhs.x + lhs.width, rhs.x + rhs.width);
     let y_top = cmp::max(lhs.y + lhs.height, rhs.y + rhs.height);
     let y_bottom = cmp::min(lhs.y, rhs.y);
-    Rect { x: left_x, y: y_bottom, width: right_x - left_x, height: y_top - y_bottom }
+    Rect::new(left_x, y_bottom, right_x - left_x, y_top - y_bottom)
 }
diff --git a/alacritty/src/display/hint.rs b/alacritty/src/display/hint.rs
index 8d374bdb..202b8f97 100644
--- a/alacritty/src/display/hint.rs
+++ b/alacritty/src/display/hint.rs
@@ -2,7 +2,7 @@ use std::cmp::Reverse;
 use std::collections::HashSet;
 use std::iter;
 
-use glutin::event::ModifiersState;
+use winit::event::ModifiersState;
 
 use alacritty_terminal::grid::{BidirectionalIterator, Dimensions};
 use alacritty_terminal::index::{Boundary, Column, Direction, Line, Point};
diff --git a/alacritty/src/display/mod.rs b/alacritty/src/display/mod.rs
index c17d8aa7..ed1b1fc5 100644
--- a/alacritty/src/display/mod.rs
+++ b/alacritty/src/display/mod.rs
@@ -1,23 +1,24 @@
 //! The display subsystem including window management, font rasterization, and
 //! GPU drawing.
 
+use std::cmp;
 use std::fmt::{self, Formatter};
+use std::mem::{self, ManuallyDrop};
+use std::num::NonZeroU32;
+use std::ops::{Deref, DerefMut};
 #[cfg(all(feature = "wayland", not(any(target_os = "macos", windows))))]
 use std::sync::atomic::Ordering;
-use std::{cmp, mem};
-
-use glutin::dpi::PhysicalSize;
-use glutin::event::ModifiersState;
-use glutin::event_loop::EventLoopWindowTarget;
-#[cfg(all(feature = "x11", not(any(target_os = "macos", windows))))]
-use glutin::platform::unix::EventLoopWindowTargetExtUnix;
-use glutin::window::CursorIcon;
-use glutin::Rect as DamageRect;
-use log::{debug, info};
+
+use glutin::context::{NotCurrentContext, PossiblyCurrentContext};
+use glutin::prelude::*;
+use glutin::surface::{Rect as DamageRect, Surface, SwapInterval, WindowSurface};
+
+use log::{debug, info, warn};
 use parking_lot::MutexGuard;
 use serde::{Deserialize, Serialize};
-#[cfg(all(feature = "wayland", not(any(target_os = "macos", windows))))]
-use wayland_client::EventQueue;
+use winit::dpi::PhysicalSize;
+use winit::event::ModifiersState;
+use winit::window::CursorIcon;
 
 use crossfont::{self, Rasterize, Rasterizer};
 use unicode_width::UnicodeWidthChar;
@@ -33,9 +34,9 @@ use alacritty_terminal::term::color::Rgb;
 use alacritty_terminal::term::{self, Term, TermDamage, TermMode, MIN_COLUMNS, MIN_SCREEN_LINES};
 
 use crate::config::font::Font;
+use crate::config::window::Dimensions;
 #[cfg(not(windows))]
 use crate::config::window::StartupMode;
-use crate::config::window::{Dimensions, Identity};
 use crate::config::UiConfig;
 use crate::display::bell::VisualBell;
 use crate::display::color::List;
@@ -84,8 +85,8 @@ pub enum Error {
     /// Error in renderer.
     Render(renderer::Error),
 
-    /// Error during buffer swap.
-    Context(glutin::ContextError),
+    /// Error during context operations.
+    Context(glutin::error::Error),
 }
 
 impl std::error::Error for Error {
@@ -128,8 +129,8 @@ impl From<renderer::Error> for Error {
     }
 }
 
-impl From<glutin::ContextError> for Error {
-    fn from(val: glutin::ContextError) -> Self {
+impl From<glutin::error::Error> for Error {
+    fn from(val: glutin::error::Error) -> Self {
         Error::Context(val)
     }
 }
@@ -334,17 +335,17 @@ impl DisplayUpdate {
 
 /// The display wraps a window, font rasterizer, and GPU renderer.
 pub struct Display {
-    pub size_info: SizeInfo,
     pub window: Window,
 
+    pub size_info: SizeInfo,
+
     /// Hint highlighted by the mouse.
     pub highlighted_hint: Option<HintMatch>,
 
     /// Hint highlighted by the vi mode cursor.
     pub vi_highlighted_hint: Option<HintMatch>,
 
-    #[cfg(not(any(target_os = "macos", windows)))]
-    pub is_x11: bool,
+    pub is_wayland: bool,
 
     /// UI cursor visibility for blinking.
     pub cursor_hidden: bool,
@@ -369,161 +370,57 @@ pub struct Display {
     // Mouse point position when highlighting hints.
     hint_mouse_point: Option<Point>,
 
-    is_damage_supported: bool,
+    renderer: ManuallyDrop<Renderer>,
+
+    surface: ManuallyDrop<Surface<WindowSurface>>,
+
+    context: ManuallyDrop<Replaceable<PossiblyCurrentContext>>,
+
     debug_damage: bool,
     damage_rects: Vec<DamageRect>,
     next_frame_damage_rects: Vec<DamageRect>,
-    renderer: Renderer,
     glyph_cache: GlyphCache,
     meter: Meter,
 }
 
-/// Input method state.
-#[derive(Debug, Default)]
-pub struct Ime {
-    /// Whether the IME is enabled.
-    enabled: bool,
-
-    /// Current IME preedit.
-    preedit: Option<Preedit>,
-}
-
-impl Ime {
-    pub fn new() -> Self {
-        Default::default()
-    }
-
-    #[inline]
-    pub fn set_enabled(&mut self, is_enabled: bool) {
-        if is_enabled {
-            self.enabled = is_enabled
-        } else {
-            // Clear state when disabling IME.
-            *self = Default::default();
-        }
-    }
-
-    #[inline]
-    pub fn is_enabled(&self) -> bool {
-        self.enabled
-    }
-
-    #[inline]
-    pub fn set_preedit(&mut self, preedit: Option<Preedit>) {
-        self.preedit = preedit;
-    }
-
-    #[inline]
-    pub fn preedit(&self) -> Option<&Preedit> {
-        self.preedit.as_ref()
-    }
-}
-
-#[derive(Debug, Default, PartialEq, Eq)]
-pub struct Preedit {
-    /// The preedit text.
-    text: String,
-
-    /// Byte offset for cursor start into the preedit text.
-    ///
-    /// `None` means that the cursor is invisible.
-    cursor_byte_offset: Option<usize>,
-
-    /// The cursor offset from the end of the preedit in char width.
-    cursor_end_offset: Option<usize>,
-}
-
-impl Preedit {
-    pub fn new(text: String, cursor_byte_offset: Option<usize>) -> Self {
-        let cursor_end_offset = if let Some(byte_offset) = cursor_byte_offset {
-            // Convert byte offset into char offset.
-            let cursor_end_offset =
-                text[byte_offset..].chars().fold(0, |acc, ch| acc + ch.width().unwrap_or(1));
-
-            Some(cursor_end_offset)
-        } else {
-            None
-        };
-
-        Self { text, cursor_byte_offset, cursor_end_offset }
-    }
-}
-
-/// Pending renderer updates.
-///
-/// All renderer updates are cached to be applied just before rendering, to avoid platform-specific
-/// rendering issues.
-#[derive(Debug, Default, Copy, Clone)]
-pub struct RendererUpdate {
-    /// Should resize the window.
-    resize: bool,
-
-    /// Clear font caches.
-    clear_font_cache: bool,
-}
-
 impl Display {
-    pub fn new<E>(
+    pub fn new(
+        window: Window,
+        gl_context: NotCurrentContext,
         config: &UiConfig,
-        event_loop: &EventLoopWindowTarget<E>,
-        identity: &Identity,
-        #[cfg(all(feature = "wayland", not(any(target_os = "macos", windows))))]
-        wayland_event_queue: Option<&EventQueue>,
     ) -> Result<Display, Error> {
-        #[cfg(any(not(feature = "x11"), target_os = "macos", windows))]
-        let is_x11 = false;
-        #[cfg(all(feature = "x11", not(any(target_os = "macos", windows))))]
-        let is_x11 = event_loop.is_x11();
+        #[cfg(any(not(feature = "wayland"), target_os = "macos", windows))]
+        let is_wayland = false;
+        #[cfg(all(feature = "wayland", not(any(target_os = "macos", windows))))]
+        let is_wayland = window.wayland_surface().is_some();
 
-        // Guess scale_factor based on first monitor. On Wayland the initial frame always renders at
-        // a scale factor of 1.
-        let estimated_scale_factor = if cfg!(any(target_os = "macos", windows)) || is_x11 {
-            event_loop.available_monitors().next().map_or(1., |m| m.scale_factor())
-        } else {
-            1.
-        };
+        let scale_factor = window.scale_factor as f32;
+        let rasterizer = Rasterizer::new(scale_factor)?;
 
-        // Guess the target window dimensions.
         debug!("Loading \"{}\" font", &config.font.normal().family);
-        let font = &config.font;
-        let rasterizer = Rasterizer::new(estimated_scale_factor as f32)?;
-        let mut glyph_cache = GlyphCache::new(rasterizer, font)?;
+        let mut glyph_cache = GlyphCache::new(rasterizer, &config.font)?;
+
         let metrics = glyph_cache.font_metrics();
         let (cell_width, cell_height) = compute_cell_size(config, &metrics);
 
-        // Guess the target window size if the user has specified the number of lines/columns.
-        let dimensions = config.window.dimensions();
-        let estimated_size = dimensions.map(|dimensions| {
-            window_size(config, dimensions, cell_width, cell_height, estimated_scale_factor)
-        });
+        // Resize the window to account for the user configured size.
+        if let Some(dimensions) = config.window.dimensions() {
+            let size = window_size(config, dimensions, cell_width, cell_height, scale_factor);
+            window.set_inner_size(size);
+        }
 
-        debug!("Estimated scaling factor: {}", estimated_scale_factor);
-        debug!("Estimated window size: {:?}", estimated_size);
-        debug!("Estimated cell size: {} x {}", cell_width, cell_height);
-
-        // Spawn the Alacritty window.
-        let window = Window::new(
-            event_loop,
-            config,
-            identity,
-            estimated_size,
-            #[cfg(all(feature = "wayland", not(any(target_os = "macos", windows))))]
-            wayland_event_queue,
+        // Create the GL surface to draw into.
+        let surface = renderer::platform::create_gl_surface(
+            &gl_context,
+            window.inner_size(),
+            window.raw_window_handle(),
         )?;
 
-        // Create renderer.
-        let mut renderer = Renderer::new()?;
-
-        let scale_factor = window.scale_factor;
-        info!("Display scale factor: {}", scale_factor);
+        // Make the context current.
+        let context = gl_context.make_current(&surface)?;
 
-        // If the scaling factor changed update the glyph cache and mark for resize.
-        let should_resize = (estimated_scale_factor - window.scale_factor).abs() > f64::EPSILON;
-        let (cell_width, cell_height) = if should_resize {
-            Self::update_font_size(&mut glyph_cache, scale_factor, config, font)
-        } else {
-            (cell_width, cell_height)
-        };
+        // Create renderer.
+        let mut renderer = Renderer::new(&context)?;
 
         // Load font common glyphs to accelerate rendering.
         debug!("Filling glyph cache with com