/mdn2/en-US/docs/Web/API/XRWebGLLayerXRWebGLLayer
antialias fixedFoveation framebuffer framebufferHeight framebufferWidth getNativeFramebufferScaleFactor_static getViewport ignoreDepthValues XRWebGLLayer
/mdn2/en-US/docs/Web/API/XRWebGLLayer/getNativeFramebufferScaleFactor_staticgetNativeFramebufferScaleFactor_static