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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSGWINDOWSRENDERLOOP_P_H
#define QSGWINDOWSRENDERLOOP_P_H
#include <QtCore/QObject>
#include <QtCore/QElapsedTimer>
#include <QtGui/QOpenGLContext>
#include "qsgrenderloop_p.h"
QT_BEGIN_NAMESPACE
class QSGRenderContext;
class QSGWindowsRenderLoop : public QSGRenderLoop
{
Q_OBJECT
public:
explicit QSGWindowsRenderLoop();
~QSGWindowsRenderLoop();
void show(QQuickWindow *window);
void hide(QQuickWindow *window);
void windowDestroyed(QQuickWindow *window);
void exposureChanged(QQuickWindow *window);
QImage grab(QQuickWindow *window);
void update(QQuickWindow *window);
void maybeUpdate(QQuickWindow *window);
QAnimationDriver *animationDriver() const { return m_animationDriver; }
QSGContext *sceneGraphContext() const { return m_sg; }
QSGRenderContext *createRenderContext(QSGContext *) const { return m_rc; }
void releaseResources(QQuickWindow *) { }
void render();
void renderWindow(QQuickWindow *window);
bool event(QEvent *event);
bool anyoneShowing() const;
bool interleaveIncubation() const;
public Q_SLOTS:
void started();
void stopped();
private:
struct WindowData {
QQuickWindow *window;
bool pendingUpdate;
};
void handleObscurity();
void maybePostUpdateTimer();
WindowData *windowData(QQuickWindow *window);
QList<WindowData> m_windows;
QOpenGLContext *m_gl;
QSGContext *m_sg;
QSGRenderContext *m_rc;
QAnimationDriver *m_animationDriver;
int m_updateTimer;
int m_animationTimer;
int m_vsyncDelta;
};
QT_END_NAMESPACE
#endif // QSGWINDOWSRENDERLOOP_P_H
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