The XRCompositionLayer interface of the WebXR Device API is a base class that defines a set of common properties and behaviors for WebXR layer types. It is not constructable on its own.
Several layer types inherit from XRCompositionLayer:
XRCompositionLayer itself inherits from the general XRLayerEventTarget
EventTarget
XRLayer
XRCompositionLayer
Instance properties
XRCompositionLayer.blendTextureSourceAlpha Experimental
A boolean enabling the layer's texture alpha channel.
XRCompositionLayer.layoutRead only Experimental
The layout type of the layer.
XRCompositionLayer.mipLevelsRead only Experimental
The number of mip levels in the color and texture data for the layer.
XRCompositionLayer.needsRedrawRead only Experimental
A boolean signaling that the layer should be re-rendered in the next frame.
Instance methods
Inherits methods from its parent, EventTarget .
XRCompositionLayer.destroy() Experimental
Deletes the underlying layer attachments.
Specifications
Browser compatibility
Desktop
Mobile
Chrome
Edge
Firefox
Internet Explorer
Opera
Safari
WebView Android
Chrome Android
Firefox for Android
Opera Android
Safari on IOS
Samsung Internet
XRCompositionLayerNo
No
No
No
No
No
No
No
No
No
No
No
blendTextureSourceAlphaNo
No
No
No
No
No
No
No
No
No
No
No
destroyNo
No
No
No
No
No
No
No
No
No
No
No
layoutNo
No
No
No
No
No
No
No
No
No
No
No
mipLevelsNo
No
No
No
No
No
No
No
No
No
No
No
needsRedrawNo
No
No
No
No
No
No
No
No
No
No
No
See also