Unlocks platform-specific attributes

src/platform/linux/mod.rs

@@ -12,13 +12,19 @@ use api::osmesa::{self, OsMesaContext};
 
 pub use self::api_dispatch::{Window, WindowProxy, MonitorId, get_available_monitors, get_primary_monitor};
 pub use self::api_dispatch::{WaitEventsIterator, PollEventsIterator};
+pub use self::api_dispatch::PlatformSpecificWindowBuilderAttributes;
 mod api_dispatch;
 
+#[derive(Default)]
+pub struct PlatformSpecificHeadlessBuilderAttributes;
+
 pub struct HeadlessContext(OsMesaContext);
 
 impl HeadlessContext {
     pub fn new(dimensions: (u32, u32), pf_reqs: &PixelFormatRequirements,
-               opengl: &GlAttributes<&HeadlessContext>) -> Result<HeadlessContext, CreationError>
+               opengl: &GlAttributes<&HeadlessContext>,
+               _: &PlatformSpecificHeadlessBuilderAttributes)
+               -> Result<HeadlessContext, CreationError>
     {
         let opengl = opengl.clone().map_sharing(|c| &c.0);