[add] ios support

src/platform/ios/mod.rs

@@ -0,0 +1,47 @@
+#![cfg(target_os = "ios")]
+use libc::c_void;
+
+use BuilderAttribs;
+use CreationError;
+use PixelFormat;
+
+pub use api::ios::*;
+
+pub struct HeadlessContext(i32);
+
+impl HeadlessContext {
+    /// See the docs in the crate root file.
+    pub fn new(_builder: BuilderAttribs) -> Result<HeadlessContext, CreationError> {
+        unimplemented!()
+    }
+
+    /// See the docs in the crate root file.
+    pub unsafe fn make_current(&self) {
+        unimplemented!()
+    }
+
+    pub fn swap_buffers(&self) {
+        unimplemented!()
+    }
+
+    /// See the docs in the crate root file.
+    pub fn is_current(&self) -> bool {
+        unimplemented!()
+    }
+
+    /// See the docs in the crate root file.
+    pub fn get_proc_address(&self, _addr: &str) -> *const c_void {
+        unimplemented!()
+    }
+
+    pub fn get_api(&self) -> ::Api {
+        ::Api::OpenGlEs
+    }
+
+    pub fn get_pixel_format(&self) -> PixelFormat {
+        unimplemented!();
+    }
+}
+
+unsafe impl Send for HeadlessContext {}
+unsafe impl Sync for HeadlessContext {}

src/platform/mod.rs

@@ -12,6 +12,9 @@ mod platform;
 #[cfg(target_os = "android")]
 #[path="android/mod.rs"]
 mod platform;
+#[cfg(target_os = "ios")]
+#[path="ios/mod.rs"]
+mod platform;
 
-#[cfg(all(not(target_os = "windows"), not(target_os = "linux"), not(target_os = "macos"), not(target_os = "android")))]
+#[cfg(all(not(target_os = "ios"), not(target_os = "windows"), not(target_os = "linux"), not(target_os = "macos"), not(target_os = "android")))]
 use this_platform_is_not_supported;