Add Missing Data to GlContainer

Added missing surfman data when creating the GlContainer for `Instance`.

src/backend/gl/src/lib.rs

@@ -76,7 +76,7 @@ type ColorSlot = u8;
 pub(crate) struct GlContainer {
     context: GlContext,
 
-    /// In order to set the current context we must have access to the instance
+    /// In order to set the current context we must have access the surfman device and context
     #[cfg(feature = "surfman")]
     surfman_data: Option<(
         Starc<RwLock<surfman::Device>>,
@@ -111,7 +111,7 @@ impl GlContainer {
     }
 
     #[cfg(feature = "surfman")]
-    fn set_instance(
+    fn set_surfman_data(
         &mut self,
         device: Starc<RwLock<surfman::Device>>,
         context: Starc<RwLock<surfman::Context>>,

src/backend/gl/src/window/surfman.rs

@@ -174,6 +174,9 @@ impl hal::Instance<B> for Instance {
                 .get_proc_address(&self.context, symbol_name) as *const _
         });
 
+        // Add extra surfman data so that the GlContainer make the context current when it needs to
+        gl.set_surfman_data(self.device.clone(), self.context.clone());
+
         // Create physical device
         let adapter = PhysicalDevice::new_adapter((), gl);
         vec![adapter]