From 5780e9020ccabdef8f1a3e6c16699825e24d36e9 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Thu, 25 Dec 2014 18:42:39 +0900
Subject: [PATCH] Fix ui.go to use defer and call glfw.SwapInterval

---
 ui.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ui.go b/ui.go
index 583f14e9c..732175f43 100644
--- a/ui.go
+++ b/ui.go
@@ -48,6 +48,7 @@ func init() {
 	currentUI.run()
 	currentUI.use(func() {
 		opengl.Init()
+		glfw.SwapInterval(1)
 	})
 }
 
@@ -175,8 +176,8 @@ func (u *ui) run() {
 func (u *ui) use(f func()) {
 	ch := make(chan struct{})
 	u.funcs <- func() {
+		defer close(ch)
 		f()
-		close(ch)
 	}
 	<-ch
 }