From 29261c8b5071d2253e2812b4c39b0498108ded38 Mon Sep 17 00:00:00 2001
From: Pierre Krieger <pierre.krieger1708@gmail.com>
Date: Thu, 25 Jun 2015 20:29:10 +0200
Subject: Fix the discovery of the WGL_EXT_swap_control extension

---
 src/api/wgl/mod.rs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'src/api/wgl')

diff --git a/src/api/wgl/mod.rs b/src/api/wgl/mod.rs
index ee8aa3b..55fd22a 100644
--- a/src/api/wgl/mod.rs
+++ b/src/api/wgl/mod.rs
@@ -132,9 +132,7 @@ impl Context {
 
         // handling vsync
         if builder.vsync {
-            // contrary to most extensions, it is permitted to discover the presence of
-            // `WGL_EXT_swap_control` by seeing if the function pointer is available
-            if extra_functions.SwapIntervalEXT.is_loaded() {
+            if extensions.split(' ').find(|&i| i == "WGL_EXT_swap_control").is_some() {
                 let _guard = try!(CurrentContextGuard::make_current(hdc, context.0));
 
                 if extra_functions.SwapIntervalEXT(1) == 0 {
-- 
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