The VRDisplay interface of the WebVR API represents any VR device
by this API. It includes generic information such as device IDs
descriptions, as well as methods for starting to present a VR
retrieving eye parameters and display capabilities, and other
functionality.

The VRDisplayCapabilities interface of the WebVR API describes
capabilities of a `vr.VRDisplay` — its features can be used to
VR device capability tests, for example can it return position

The VRDisplayEvent interface of the WebVR API represents represents
event object of WebVR-related events (see the list of WebVR window

The VREyeParameters interface of the WebVR API represents all
information required to correctly render a scene for a given
including field of view information.

The VRFieldOfView interface of the WebVR API represents a field
view defined by 4 different degree values describing the view
a center point.

The VRFrameData interface of the WebVR API represents all the
needed to render a single frame of a VR scene; constructed by

The VRLayerInit interface (dictionary) of the WebVR API represents
content layer (an `html.HTMLCanvasElement` or `web.OffscreenCanvas`)
you want to present in a VR display.

The VRPose interface of the WebVR API represents the state of
VR sensor at a given timestamp (which includes orientation, position,
and acceleration information.)

The VRStageParameters interface of the WebVR API represents the
describing the the stage area for devices that support room-scale