Add support for iOS/tvOS/watchOS/visionOS (#234)

Add support for iOS / UIKit, and clean up CoreGraphics impl
rust-windowing · Sep 4, 2024 · dc4ae44 · dc4ae44
1 parent 1d7a48c
commit dc4ae44
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Showing 8 changed files with 264 additions and 79 deletions.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -47,7 +47,7 @@ jobs:
  - { target: x86_64-unknown-redox, os: ubuntu-latest, }
  - { target: x86_64-unknown-freebsd, os: ubuntu-latest, }
  - { target: x86_64-unknown-netbsd, os: ubuntu-latest, options: --no-default-features, features: "x11,x11-dlopen,wayland,wayland-dlopen" }
- - { target: x86_64-apple-darwin,  os: macos-latest, }
+ - { target: aarch64-apple-darwin, os: macos-latest, }
  - { target: wasm32-unknown-unknown, os: ubuntu-latest, }
  exclude:
  # Orbital doesn't follow MSRV
@@ -56,6 +56,9 @@ jobs:
  include:
  - rust_version: nightly
  platform: { target: wasm32-unknown-unknown, os: ubuntu-latest, options: "-Zbuild-std=panic_abort,std", rustflags: "-Ctarget-feature=+atomics,+bulk-memory" }
+ # Mac Catalyst is only Tier 2 since Rust 1.81
+ - rust_version: 'nightly'
+ platform: { target: aarch64-apple-ios-macabi, os: macos-latest }
 
  env:
  RUST_BACKTRACE: 1

diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Unreleased
 
+- Added support for iOS, tvOS, watchOS and visionOS (UIKit).
+- Redo the way surfaces work on macOS to work directly with layers, which will allow initializing directly from a `CALayer` in the future.
+
 # 0.4.5
 
 - Make the `wayland-sys` dependency optional. (#223)

diff --git a/Cargo.toml b/Cargo.toml
@@ -45,14 +45,20 @@ x11rb = { version = "0.13.0", features = ["allow-unsafe-code", "shm"], optional
 version = "0.59.0"
 features = ["Win32_Graphics_Gdi", "Win32_UI_Shell", "Win32_UI_WindowsAndMessaging", "Win32_Foundation"]
 
-[target.'cfg(target_os = "macos")'.dependencies]
+[target.'cfg(target_vendor = "apple")'.dependencies]
 bytemuck = { version = "1.12.3", features = ["extern_crate_alloc"] }
 core-graphics = "0.24.0"
 foreign-types = "0.5.0"
-objc2 = "0.5.1"
-objc2-foundation = { version = "0.2.0", features = ["dispatch", "NSThread"] }
-objc2-app-kit = { version = "0.2.0", features = ["NSResponder", "NSView", "NSWindow"] }
-objc2-quartz-core = { version = "0.2.0", features = ["CALayer", "CATransaction"] }
+objc2 = "0.5.2"
+objc2-foundation = { version = "0.2.2", features = [
+ "NSDictionary",
+ "NSGeometry",
+ "NSKeyValueObserving",
+ "NSString",
+ "NSThread",
+ "NSValue",
+] }
+objc2-quartz-core = { version = "0.2.2", features = ["CALayer", "CATransaction"] }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 js-sys = "0.3.63"

diff --git a/README.md b/README.md
@@ -43,7 +43,7 @@ For now, the priority for new platforms is:
 |Android NDK|❌|
 | AppKit |✅|
 | Orbital |✅|
-| UIKit |❌|
+| UIKit |✅|
 | Wayland |✅|
 | Web |✅|
 | Win32 |✅|

diff --git a/src/backend_dispatch.rs b/src/backend_dispatch.rs
@@ -186,8 +186,8 @@ make_dispatch! {
  Kms(Arc<backends::kms::KmsDisplayImpl<D>>, backends::kms::KmsImpl<D, W>, backends::kms::BufferImpl<'a, D, W>),
  #[cfg(target_os = "windows")]
  Win32(D, backends::win32::Win32Impl<D, W>, backends::win32::BufferImpl<'a, D, W>),
- #[cfg(target_os = "macos")]
- CG(D, backends::cg::CGImpl<D, W>, backends::cg::BufferImpl<'a, D, W>),
+ #[cfg(target_vendor = "apple")]
+ CoreGraphics(D, backends::cg::CGImpl<D, W>, backends::cg::BufferImpl<'a, D, W>),
  #[cfg(target_arch = "wasm32")]
  Web(backends::web::WebDisplayImpl<D>, backends::web::WebImpl<D, W>, backends::web::BufferImpl<'a, D, W>),
  #[cfg(target_os = "redox")]