From 150aa19042bbee893c5b4f16cb230f9266a1f4b7 Mon Sep 17 00:00:00 2001
From: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
Date: Wed, 22 Jul 2015 15:31:17 +0200
Subject: [PATCH] ios: Do not drop the user-provided default QSurfaceFormat

Task-number: QTBUG-47195
Change-Id: I40bc7be816f5e23a63a2fe6d32842143b52f9d58
Reviewed-by: jian liang <jianliang79@gmail.com>
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@theqtcompany.com>
---
 src/plugins/platforms/ios/qiosintegration.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plugins/platforms/ios/qiosintegration.mm b/src/plugins/platforms/ios/qiosintegration.mm
index 837d0e9143..8395db81ff 100644
--- a/src/plugins/platforms/ios/qiosintegration.mm
+++ b/src/plugins/platforms/ios/qiosintegration.mm
@@ -81,7 +81,7 @@ QIOSIntegration::QIOSIntegration()
     // QPlatformBackingStore.
     qApp->setAttribute(Qt::AA_ShareOpenGLContexts, true);
     // And that context must match the format used for the backingstore's context.
-    QSurfaceFormat fmt;
+    QSurfaceFormat fmt = QSurfaceFormat::defaultFormat();
     fmt.setDepthBufferSize(16);
     fmt.setStencilBufferSize(8);
     QSurfaceFormat::setDefaultFormat(fmt);