From 5956771cb9fc6468eaf002ebe8a7a3396807c2c1 Mon Sep 17 00:00:00 2001
From: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
Date: Mon, 23 May 2016 20:48:08 +0200
Subject: Add an API to set the scenegraph backend

As an alternative to QT_QUICK_BACKEND and QMLSCENE_DEVICE.

The need for this is twofold: it is requested by Creator since environment
variables have potential issues with child processes inheriting them.
Also, platforms like WinRT may have issues with environment variables - as
such a concept may not necessarily exist.

Change-Id: Ia66b78dc83fce5af0f36d4b34dc094582eb6e61d
Reviewed-by: Robin Burchell <robin.burchell@viroteck.net>
---
 src/quick/items/qquickwindow.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/quick/items/qquickwindow.h')

diff --git a/src/quick/items/qquickwindow.h b/src/quick/items/qquickwindow.h
index 977b4956b2..37be6d591c 100644
--- a/src/quick/items/qquickwindow.h
+++ b/src/quick/items/qquickwindow.h
@@ -41,6 +41,7 @@
 #define QQUICKWINDOW_H
 
 #include <QtQuick/qtquickglobal.h>
+#include <QtQuick/qsgrendererinterface.h>
 #include <QtCore/qmetatype.h>
 #include <QtGui/qopengl.h>
 #include <QtGui/qwindow.h>
@@ -60,7 +61,6 @@ class QQmlIncubationController;
 class QInputMethodEvent;
 class QQuickCloseEvent;
 class QQuickRenderControl;
-class QSGRendererInterface;
 
 class Q_QUICK_EXPORT QQuickWindow : public QWindow
 {
@@ -156,6 +156,9 @@ public:
 
     QSGRendererInterface *rendererInterface() const;
 
+    static void setSceneGraphBackend(QSGRendererInterface::GraphicsAPI api);
+    static void setSceneGraphBackend(const QString &backend);
+
 Q_SIGNALS:
     void frameSwapped();
     Q_REVISION(2) void openglContextCreated(QOpenGLContext *context);
-- 
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