// https://immersive-web.github.io/webxr/#xrwebgllayer-interface

typedef (WebGLRenderingContext or
         WebGL2RenderingContext) XRWebGLRenderingContext;

[Experimental] dictionary XRWebGLLayerInit {
    boolean antialias = true;
    boolean depth = true;
    boolean stencil = false;
    boolean alpha = true;
    boolean ignoreDepthValues = false;
    double framebufferScaleFactor = 1.0;
};

[Experimental, SecureContext, Exposed=Window]
interface XRWebGLLayer: XRLayer {
    constructor(XRSession session,
               XRWebGLRenderingContext context,
               optional XRWebGLLayerInit layerInit = {});
    // Attributes
    [FIXME] readonly attribute boolean antialias;
    [FIXME] readonly attribute boolean ignoreDepthValues;
    [FIXME] attribute float? fixedFoveation;
    
    [FIXME, SameObject] readonly attribute WebGLFramebuffer? framebuffer;
    [FIXME] readonly attribute unsigned long framebufferWidth;
    [FIXME] readonly attribute unsigned long framebufferHeight;
    
    // Methods
    [FIXME] XRViewport? getViewport(XRView view);
    
    // Static Methods
    [FIXME] static double getNativeFramebufferScaleFactor(XRSession session);
};
