third_party/blink/renderer/modules/xr/xr_webgl_layer.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.

typedef (WebGLRenderingContext or WebGL2RenderingContext) XRWebGLRenderingContext;

// https://immersive-web.github.io/webxr/#xrwebgllayer-interface
[
    SecureContext,
    Exposed=Window,
    OriginTrialEnabled=WebXR,
    Constructor(XRSession session, XRWebGLRenderingContext context, optional XRWebGLLayerInit layerInit),
    RaisesException=Constructor
] interface XRWebGLLayer : XRLayer {
  [ImplementedAs=getXRWebGLRenderingContext] readonly attribute XRWebGLRenderingContext context;
  readonly attribute boolean antialias;
  readonly attribute boolean depth;
  readonly attribute boolean stencil;
  readonly attribute boolean alpha;
  readonly attribute boolean multiview;

  readonly attribute unsigned long framebufferWidth;
  readonly attribute unsigned long framebufferHeight;
  readonly attribute WebGLFramebuffer framebuffer;

  XRViewport? getViewport(XRView view);
  void requestViewportScaling(double viewportScaleFactor);

  static double getNativeFramebufferScaleFactor(XRSession session);
};