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/****************************************************************************
**
** 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
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