1 files changed, 97 insertions, 0 deletions
diff --git a/src/plugins/scenegraph/softwarecontext/threadedrenderloop.h b/src/plugins/scenegraph/softwarecontext/threadedrenderloop.h
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index 0000000000..7e3bcb2d79
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+++ b/src/plugins/scenegraph/softwarecontext/threadedrenderloop.h
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc
+** Copyright (C) 2014 Jolla Ltd, author: <gunnar.sletta@jollamobile.com>
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the Qt SceneGraph Raster Add-on.
+**
+** $QT_BEGIN_LICENSE$
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef THREADEDRENDERLOOP_H
+#define THREADEDRENDERLOOP_H
+
+#include <private/qsgrenderloop_p.h>
+
+class RenderThread;
+
+class ThreadedRenderLoop : public QSGRenderLoop
+{
+    Q_OBJECT
+public:
+    ThreadedRenderLoop();
+
+    void show(QQuickWindow *) {}
+    void hide(QQuickWindow *);
+
+    void windowDestroyed(QQuickWindow *window);
+    void exposureChanged(QQuickWindow *window);
+
+    QImage grab(QQuickWindow *);
+
+    void update(QQuickWindow *window);
+    void maybeUpdate(QQuickWindow *window);
+    QSGContext *sceneGraphContext() const;
+    QSGRenderContext *createRenderContext(QSGContext *) const;
+
+    QAnimationDriver *animationDriver() const;
+
+    void releaseResources(QQuickWindow *window);
+
+    bool event(QEvent *);
+
+    bool interleaveIncubation() const;
+
+public Q_SLOTS:
+    void animationStarted();
+    void animationStopped();
+
+private:
+    struct Window {
+        QQuickWindow *window;
+        RenderThread *thread;
+        QSurfaceFormat actualWindowFormat;
+        int timerId;
+        uint updateDuringSync : 1;
+    };
+
+    friend class RenderThread;
+
+    void releaseResources(Window *window, bool inDestructor);
+    bool checkAndResetForceUpdate(QQuickWindow *window);
+    Window *windowForTimer(int timerId) const;
+
+    bool anyoneShowing() const;
+    void initialize();
+
+    void startOrStopAnimationTimer();
+    void maybePostPolishRequest(Window *w);
+    void waitForReleaseComplete();
+    void polishAndSync(Window *w, bool inExpose = false);
+    void maybeUpdate(Window *window);
+
+    void handleExposure(QQuickWindow *w);
+    void handleObscurity(Window *w);
+
+
+    QSGContext *sg;
+    QAnimationDriver *m_animation_driver;
+    QList<Window> m_windows;
+
+    int m_animation_timer;
+    int m_exhaust_delay;
+
+    bool m_lockedForSync;
+};
+
+#endif // THREADEDRENDERLOOP_H