From ef7c9b5b525c539d12d17f61b979c1c4e0751076 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20R=C3=B8dal?= <samuel.rodal@digia.com>
Date: Tue, 5 Feb 2013 08:31:29 +0100
Subject: Fixed missing support for single buffered OpenGL on OS X.

Task-number: QTBUG-28804
Change-Id: I426a9bbc08953d777f67a23b050570e9f7d442d7
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
---
 src/platformsupport/cglconvenience/cglconvenience.mm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/platformsupport/cglconvenience/cglconvenience.mm')

diff --git a/src/platformsupport/cglconvenience/cglconvenience.mm b/src/platformsupport/cglconvenience/cglconvenience.mm
index dbb453f1b5..b0ea2d2225 100644
--- a/src/platformsupport/cglconvenience/cglconvenience.mm
+++ b/src/platformsupport/cglconvenience/cglconvenience.mm
@@ -87,7 +87,8 @@ void *qcgl_createNSOpenGLPixelFormat(const QSurfaceFormat &format)
 
     QVector<NSOpenGLPixelFormatAttribute> attrs;
 
-    attrs.append(NSOpenGLPFADoubleBuffer);
+    if (format.swapBehavior() != QSurfaceFormat::SingleBuffer)
+        attrs.append(NSOpenGLPFADoubleBuffer);
 
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
     if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_7) {
-- 
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