1 files changed, 144 insertions, 0 deletions
diff --git a/components/script/dom/xrwebglbinding.rs b/components/script/dom/xrwebglbinding.rs
new file mode 100644
index 00000000000..64ea31e0bce
--- /dev/null
+++ b/components/script/dom/xrwebglbinding.rs
@@ -0,0 +1,144 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+use crate::dom::bindings::codegen::Bindings::XRViewBinding::XREye;
+use crate::dom::bindings::codegen::Bindings::XRWebGLBindingBinding::XRCubeLayerInit;
+use crate::dom::bindings::codegen::Bindings::XRWebGLBindingBinding::XRCylinderLayerInit;
+use crate::dom::bindings::codegen::Bindings::XRWebGLBindingBinding::XREquirectLayerInit;
+use crate::dom::bindings::codegen::Bindings::XRWebGLBindingBinding::XRProjectionLayerInit;
+use crate::dom::bindings::codegen::Bindings::XRWebGLBindingBinding::XRQuadLayerInit;
+use crate::dom::bindings::codegen::Bindings::XRWebGLBindingBinding::XRTextureType;
+use crate::dom::bindings::codegen::Bindings::XRWebGLBindingBinding::XRWebGLBindingBinding::XRWebGLBindingMethods;
+use crate::dom::bindings::codegen::UnionTypes::WebGLRenderingContextOrWebGL2RenderingContext;
+use crate::dom::bindings::error::Error;
+use crate::dom::bindings::error::Fallible;
+use crate::dom::bindings::reflector::reflect_dom_object;
+use crate::dom::bindings::reflector::Reflector;
+use crate::dom::bindings::root::Dom;
+use crate::dom::bindings::root::DomRoot;
+use crate::dom::webglrenderingcontext::WebGLRenderingContext;
+use crate::dom::window::Window;
+use crate::dom::xrcompositionlayer::XRCompositionLayer;
+use crate::dom::xrcubelayer::XRCubeLayer;
+use crate::dom::xrcylinderlayer::XRCylinderLayer;
+use crate::dom::xrequirectlayer::XREquirectLayer;
+use crate::dom::xrframe::XRFrame;
+use crate::dom::xrprojectionlayer::XRProjectionLayer;
+use crate::dom::xrquadlayer::XRQuadLayer;
+use crate::dom::xrsession::XRSession;
+use crate::dom::xrview::XRView;
+use crate::dom::xrwebglsubimage::XRWebGLSubImage;
+use dom_struct::dom_struct;
+
+#[dom_struct]
+pub struct XRWebGLBinding {
+    reflector: Reflector,
+    session: Dom<XRSession>,
+    context: Dom<WebGLRenderingContext>,
+}
+
+impl XRWebGLBinding {
+    pub fn new_inherited(session: &XRSession, context: &WebGLRenderingContext) -> XRWebGLBinding {
+        XRWebGLBinding {
+            reflector: Reflector::new(),
+            session: Dom::from_ref(session),
+            context: Dom::from_ref(context),
+        }
+    }
+
+    pub fn new(
+        global: &Window,
+        session: &XRSession,
+        context: &WebGLRenderingContext,
+    ) -> DomRoot<XRWebGLBinding> {
+        reflect_dom_object(
+            Box::new(XRWebGLBinding::new_inherited(session, context)),
+            global,
+        )
+    }
+
+    #[allow(non_snake_case)]
+    pub fn Constructor(
+        global: &Window,
+        session: &XRSession,
+        context: WebGLRenderingContextOrWebGL2RenderingContext,
+    ) -> DomRoot<XRWebGLBinding> {
+        let context = match context {
+            WebGLRenderingContextOrWebGL2RenderingContext::WebGLRenderingContext(ctx) => ctx,
+            WebGLRenderingContextOrWebGL2RenderingContext::WebGL2RenderingContext(ctx) => {
+                ctx.base_context()
+            },
+        };
+        XRWebGLBinding::new(global, session, &context)
+    }
+}
+
+impl XRWebGLBindingMethods for XRWebGLBinding {
+    /// https://immersive-web.github.io/layers/#dom-xrwebglbinding-createprojectionlayer
+    fn CreateProjectionLayer(
+        &self,
+        _: XRTextureType,
+        _: &XRProjectionLayerInit,
+    ) -> Fallible<DomRoot<XRProjectionLayer>> {
+        // https://github.com/servo/servo/issues/27468
+        Err(Error::NotSupported)
+    }
+
+    /// https://immersive-web.github.io/layers/#dom-xrwebglbinding-createquadlayer
+    fn CreateQuadLayer(
+        &self,
+        _: XRTextureType,
+        _: &Option<XRQuadLayerInit>,
+    ) -> Fallible<DomRoot<XRQuadLayer>> {
+        // https://github.com/servo/servo/issues/27493
+        Err(Error::NotSupported)
+    }
+
+    /// https://immersive-web.github.io/layers/#dom-xrwebglbinding-createcylinderlayer
+    fn CreateCylinderLayer(
+        &self,
+        _: XRTextureType,
+        _: &Option<XRCylinderLayerInit>,
+    ) -> Fallible<DomRoot<XRCylinderLayer>> {
+        // https://github.com/servo/servo/issues/27493
+        Err(Error::NotSupported)
+    }
+
+    /// https://immersive-web.github.io/layers/#dom-xrwebglbinding-createequirectlayer
+    fn CreateEquirectLayer(
+        &self,
+        _: XRTextureType,
+        _: &Option<XREquirectLayerInit>,
+    ) -> Fallible<DomRoot<XREquirectLayer>> {
+        // https://github.com/servo/servo/issues/27493
+        Err(Error::NotSupported)
+    }
+
+    /// https://immersive-web.github.io/layers/#dom-xrwebglbinding-createcubelayer
+    fn CreateCubeLayer(&self, _: &Option<XRCubeLayerInit>) -> Fallible<DomRoot<XRCubeLayer>> {
+        // https://github.com/servo/servo/issues/27493
+        Err(Error::NotSupported)
+    }
+
+    /// https://immersive-web.github.io/layers/#dom-xrwebglbinding-getsubimage
+    fn GetSubImage(
+        &self,
+        _: &XRCompositionLayer,
+        _: &XRFrame,
+        _: XREye,
+    ) -> Fallible<DomRoot<XRWebGLSubImage>> {
+        // https://github.com/servo/servo/issues/27468
+        Err(Error::NotSupported)
+    }
+
+    /// https://immersive-web.github.io/layers/#dom-xrwebglbinding-getviewsubimage
+    fn GetViewSubImage(
+        &self,
+        _: &XRProjectionLayer,
+        _: &XRView,
+    ) -> Fallible<DomRoot<XRWebGLSubImage>> {
+        // https://github.com/servo/servo/issues/27468
+        Err(Error::NotSupported)
+    }
+}