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reverb-m1

Native wired VR on Apple silicon: Reverb G1 display bring-up and stereo demo
git clone https://umhau.org/code/reverb-m1.git
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testpattern.swift (1300B)

      1 // Fullscreen LEFT (red) / RIGHT (blue) pattern on the headset display (vendor 8718).
      2 import AppKit
      3 let app = NSApplication.shared
      4 app.setActivationPolicy(.regular)
      5 guard let screen = NSScreen.screens.first(where: {
      6     CGDisplayVendorNumber(($0.deviceDescription[NSDeviceDescriptionKey("NSScreenNumber")] as? NSNumber)?.uint32Value ?? 0) == 8718
      7 }) else { print("headset display not found"); exit(1) }
      8 final class V: NSView {
      9     override func draw(_ r: NSRect) {
     10         let h = bounds.width / 2
     11         NSColor.red.setFill(); NSRect(x: 0, y: 0, width: h, height: bounds.height).fill()
     12         NSColor.blue.setFill(); NSRect(x: h, y: 0, width: h, height: bounds.height).fill()
     13         let a: [NSAttributedString.Key: Any] = [.font: NSFont.boldSystemFont(ofSize: 140), .foregroundColor: NSColor.white]
     14         for (i, t) in ["LEFT", "RIGHT"].enumerated() {
     15             let s = NSAttributedString(string: t, attributes: a), z = s.size()
     16             s.draw(at: NSPoint(x: h * CGFloat(i) + (h - z.width) / 2, y: (bounds.height - z.height) / 2))
     17         }
     18     }
     19 }
     20 let w = NSWindow(contentRect: screen.frame, styleMask: .borderless, backing: .buffered, defer: false, screen: screen)
     21 w.level = .screenSaver; w.contentView = V(); w.setFrame(screen.frame, display: true); w.orderFrontRegardless()
     22 app.run()