Definition
WebXR Layers API Level 1 defines XRProjectionLayer
[Exposed=Window] interface XRProjectionLayer : XRCompositionLayer {
readonly attribute unsigned long textureWidth;
readonly attribute unsigned long textureHeight;
readonly attribute unsigned long textureArrayLength;
readonly attribute boolean ignoreDepthValues;
attribute float? fixedFoveation;
attribute XRRigidTransform? deltaPose;
};