It implements enough WebGL spec to draw a triangle

components/script/dom/webglbuffer.rs

@@ -0,0 +1,38 @@
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+// https://www.khronos.org/registry/webgl/specs/latest/1.0/webgl.idl
+use dom::bindings::codegen::Bindings::WebGLBufferBinding;
+use dom::bindings::global::GlobalRef;
+use dom::bindings::js::{Temporary, JSRef};
+use dom::bindings::utils::{Reflector, reflect_dom_object};
+
+#[dom_struct]
+pub struct WebGLBuffer {
+    reflector_: Reflector,
+    id: u32,
+}
+
+impl WebGLBuffer {
+    fn new_inherited(id: u32) -> WebGLBuffer {
+        WebGLBuffer {
+            reflector_: Reflector::new(),
+            id: id,
+        }
+    }
+
+    pub fn new(global: GlobalRef, id: u32) -> Temporary<WebGLBuffer> {
+        reflect_dom_object(box WebGLBuffer::new_inherited(id), global, WebGLBufferBinding::Wrap)
+    }
+}
+
+pub trait WebGLBufferHelpers {
+    fn get_id(&self) -> u32;
+}
+
+impl<'a> WebGLBufferHelpers for JSRef<'a, WebGLBuffer> {
+    fn get_id(&self) -> u32 {
+        self.id
+    }
+}