From 84ad2585e13aef78c9f77a6e51391108f378efde Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fredrik=20H=C3=B6glund?= <fredrik@kde.org>
Date: Wed, 13 Mar 2013 16:09:05 +0100
Subject: [PATCH] kwin: Use glXCreateContextAttribsARB() when it's supported

---
 glxbackend.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/glxbackend.cpp b/glxbackend.cpp
index c68bceeb36..e7df14f908 100644
--- a/glxbackend.cpp
+++ b/glxbackend.cpp
@@ -132,12 +132,18 @@ void GlxBackend::init()
     kDebug(1212) << "Direct rendering:" << isDirectRendering() << endl;
 }
 
-
 bool GlxBackend::initRenderingContext()
 {
     bool direct = options->isGlDirect();
 
-    ctx = glXCreateNewContext(display(), fbconfig, GLX_RGBA_TYPE, NULL, direct);
+    // Use glXCreateContextAttribsARB() when it's available
+    if (glXCreateContextAttribsARB) {
+        int attribs[] = { 0 };
+        ctx = glXCreateContextAttribsARB(display(), fbconfig, 0, direct, attribs);
+    }
+
+    if (!ctx)
+        ctx = glXCreateNewContext(display(), fbconfig, GLX_RGBA_TYPE, NULL, direct);
 
     if (!ctx) {
         kDebug(1212) << "Failed to create an OpenGL context.";