Add stub makeXRCompatible()

components/script/dom/webglrenderingcontext.rs

@@ -24,6 +24,7 @@ use crate::dom::htmlcanvaselement::utils as canvas_utils;
 use crate::dom::htmlcanvaselement::HTMLCanvasElement;
 use crate::dom::htmliframeelement::HTMLIFrameElement;
 use crate::dom::node::{document_from_node, window_from_node, Node, NodeDamage};
+use crate::dom::promise::Promise;
 use crate::dom::webgl_extensions::WebGLExtensions;
 use crate::dom::webgl_validations::tex_image_2d::{
     CommonCompressedTexImage2DValidatorResult, CommonTexImage2DValidator,
@@ -76,6 +77,7 @@ use servo_config::pref;
 use std::cell::Cell;
 use std::cmp;
 use std::ptr::{self, NonNull};
+use std::rc::Rc;
 
 // From the GLES 2.0.25 spec, page 85:
 //
@@ -4090,6 +4092,14 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
         handle_potential_webgl_error!(self, self.validate_ownership(program), return None);
         handle_potential_webgl_error!(self, program.attached_shaders().map(Some), None)
     }
+
+    /// https://immersive-web.github.io/webxr/#dom-webglrenderingcontextbase-makexrcompatible
+    fn MakeXRCompatible(&self) -> Rc<Promise> {
+        // XXXManishearth Fill in with compatibility checks when rust-webxr supports this
+        let p = Promise::new(&self.global());
+        p.resolve_native(&());
+        p
+    }
 }
 
 pub trait LayoutCanvasWebGLRenderingContextHelpers {

components/script/dom/webidls/XRSession.webidl

@@ -44,4 +44,3 @@ interface XRSession : EventTarget {
   // attribute EventHandler onselectstart;
   // attribute EventHandler onselectend;
 };
-

components/script/dom/webidls/XRWebGLLayer.webidl

@@ -41,3 +41,7 @@ interface XRWebGLLayer : XRLayer {
   // // Static Methods
   // static double getNativeFramebufferScaleFactor(XRSession session);
 };
+
+partial interface WebGLRenderingContext {
+    [Pref="dom.webxr.enabled"] Promise<void> makeXRCompatible();
+};