pub(crate) trait XRWebGLSubImageMethods<D: DomTypes> {
// Required methods
fn ColorTexture(&self) -> DomRoot<D::WebGLTexture>;
fn GetDepthStencilTexture(&self) -> Option<DomRoot<D::WebGLTexture>>;
fn GetImageIndex(&self) -> Option<u32>;
fn TextureWidth(&self) -> u32;
fn TextureHeight(&self) -> u32;
}