chromium/src/third_party/blink/renderer/modules/xr/xr_view.idl

// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://immersive-web.github.io/webxr/#xrview-interface
enum XREye {
  "none",
  "left",
  "right"
};

[
    SecureContext,
    Exposed=Window,
    RuntimeEnabled=WebXR
] interface XRView {
  readonly attribute XREye eye;
  readonly attribute Float32Array projectionMatrix;
  [SameObject] readonly attribute XRRigidTransform transform;
  [RuntimeEnabled=WebXRViewportScale] readonly attribute double? recommendedViewportScale;

  // Added by the AR module.
  // https://immersive-web.github.io/webxr-ar-module/
  readonly attribute boolean isFirstPersonObserver;

  [RuntimeEnabled=WebXRViewportScale] void requestViewportScale(double? scale);
};