feat(visionos): add native visionOS engine target#68
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Adds a `native/visionos` crate (UIKit + Metal/wgpu game-loop backend,
cloned from `native/tvos`) plus manifest wiring so games can target
Apple Vision Pro.
- native/visionos: bloom_get_platform() -> 9.0; shares tvOS's vendored
metal-patched crate (already carries the visionos cfg arms) via a
sibling path to avoid duplicating it.
- Omits GCVirtualController: on visionOS its on-screen overlay swallows
indirect (eye+pinch) input, so pinches never reach the Metal view's
touch handlers. Without it a pinch arrives as a plain UITouch at the
gaze location and touch/pinch controls work; a physical Bluetooth
controller is still picked up.
- package.json: nativeLibrary.targets.visionos + files[] entries.
- core: Platform.VISIONOS = 9.
Builds for aarch64-apple-visionos{,-sim}. Pure-2D (--no-default-features)
needs no Jolt prebuilt. Requires matching perry support (the visionos
ios-game-loop clang link path) — separate PR.
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What
Adds Apple Vision Pro (visionOS) as a native engine target, so a Bloom game can compile and run on visionOS — rendering in a flat window in the Shared Space with a UIKit + Metal/wgpu game loop (the same model as tvOS/iOS, not the watchOS SwiftUI-Canvas path).
Verified end-to-end with Bloom Jump: builds for
aarch64-apple-visionos(device) and-sim, runs in the Vision Pro simulator (title screen + gameplay), with eye+pinch driving the on-screen touch controls.Changes
native/visionos/crate — cloned fromnative/tvos(UIKit scene +CAMetalLayer+ wgpu, touch handlers, audio backend):bloom_get_platform()→9.0metal-patchedcrate (it already carries thetarget_os = "visionos"cfg arms) via a siblingpath = "../tvos/metal-patched"to avoid duplicating ~70 vendored files. The published package shipsnative/tvos/metal-patched, so the relative path resolves there too.GCVirtualController. On visionOS the system virtual-controller overlay sits on top of the window and swallows indirect (eye+pinch) input as its own d-pad/button presses, so pinches never reach the Metal view'stouchesBegan. Without it, a pinch arrives as a plainUITouchat the gaze location and the game's touch/pinch controls work. A physical Bluetooth controller is still detected.package.json—perry.nativeLibrary.targets.visionos(frameworks + libc++, mirroring tvOS) andfiles[]entries.src/core/index.ts—Platform.VISIONOS = 9.Build notes
aarch64-apple-visionosand-simare tier-2 Rust targets (no-Zbuild-std).--no-default-features, as via perry's[native-library]forwarding) build with no Jolt — confirmed compiling for-sim. Full (Jolt-on) builds would need avisionosslice in@bloomengine/jolt-prebuilt(not part of this PR).Companion
Requires matching perry support — the
visionos+ios-game-loopclang link path and the runtime game-loop module gate. That's a separate PR against the perry repo; this engine PR is the native-layer half.