// 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,
    RuntimeEnabled=WebXR
] interface XRWebGLLayer {
  [RaisesException, Measure] constructor(XRSession session, XRWebGLRenderingContext context, optional XRWebGLLayerInit layerInit = {});
  readonly attribute boolean antialias;
  readonly attribute boolean ignoreDepthValues;

  readonly attribute unsigned long framebufferWidth;
  readonly attribute unsigned long framebufferHeight;
  [SameObject] readonly attribute WebGLFramebuffer framebuffer;

  XRViewport? getViewport(XRView view);

  static double getNativeFramebufferScaleFactor(XRSession session);
};