1 files changed, 62 insertions, 0 deletions
diff --git a/gfx/wr/wrench/src/angle.rs b/gfx/wr/wrench/src/angle.rs
new file mode 100644
index 0000000000..94be95a625
--- /dev/null
+++ b/gfx/wr/wrench/src/angle.rs
@@ -0,0 +1,62 @@
+/* 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/. */
+
+use glutin::{self, ContextBuilder, ContextCurrentState, CreationError};
+use winit::{event_loop::EventLoop, window::Window, window::WindowBuilder};
+
+#[cfg(not(windows))]
+pub enum Context {}
+
+#[cfg(windows)]
+pub use crate::egl::Context;
+
+impl Context {
+    #[cfg(not(windows))]
+    pub fn with_window<T: ContextCurrentState>(
+        _: WindowBuilder,
+        _: ContextBuilder<'_, T>,
+        _: &EventLoop<()>,
+    ) -> Result<(Window, Self), CreationError> {
+        Err(CreationError::PlatformSpecific(
+            "ANGLE rendering is only supported on Windows".into(),
+        ))
+    }
+
+    #[cfg(windows)]
+    pub fn with_window<T: ContextCurrentState>(
+        window_builder: WindowBuilder,
+        context_builder: ContextBuilder<'_, T>,
+        events_loop: &EventLoop<()>,
+    ) -> Result<(Window, Self), CreationError> {
+        use winit::platform::windows::WindowExtWindows;
+
+        // FIXME: &context_builder.pf_reqs  https://github.com/tomaka/glutin/pull/1002
+        let pf_reqs = &glutin::PixelFormatRequirements::default();
+        let gl_attr = &context_builder.gl_attr.map_sharing(|_| unimplemented!());
+        let window = window_builder.build(events_loop)?;
+        Self::new(pf_reqs, gl_attr)
+            .and_then(|p| p.finish(window.hwnd() as _))
+            .map(|context| (window, context))
+    }
+
+    #[cfg(not(windows))]
+    pub unsafe fn make_current(&self) -> Result<(), glutin::ContextError> {
+        match *self {}
+    }
+
+    #[cfg(not(windows))]
+    pub fn get_proc_address(&self, _: &str) -> *const () {
+        match *self {}
+    }
+
+    #[cfg(not(windows))]
+    pub fn swap_buffers(&self) -> Result<(), glutin::ContextError> {
+        match *self {}
+    }
+
+    #[cfg(not(windows))]
+    pub fn get_api(&self) -> glutin::Api {
+        match *self {}
+    }
+}