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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
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**
****************************************************************************/
#ifndef QSGWINDOWSRENDERLOOP_P_H
#define QSGWINDOWSRENDERLOOP_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/QObject>
#include <QtCore/QElapsedTimer>
#include <QtGui/QOpenGLContext>
#include "qsgrenderloop_p.h"
QT_BEGIN_NAMESPACE
class QSGRenderContext;
class QSGDefaultRenderContext;
class QSGWindowsRenderLoop : public QSGRenderLoop
{
Q_OBJECT
public:
explicit QSGWindowsRenderLoop();
~QSGWindowsRenderLoop();
void show(QQuickWindow *window) override;
void hide(QQuickWindow *window) override;
void windowDestroyed(QQuickWindow *window) override;
void exposureChanged(QQuickWindow *window) override;
QImage grab(QQuickWindow *window) override;
void update(QQuickWindow *window) override;
void maybeUpdate(QQuickWindow *window) override;
QAnimationDriver *animationDriver() const override { return m_animationDriver; }
QSGContext *sceneGraphContext() const override { return m_sg; }
QSGRenderContext *createRenderContext(QSGContext *) const override;
void releaseResources(QQuickWindow *) override;
void render();
void renderWindow(QQuickWindow *window);
bool event(QEvent *event) override;
bool anyoneShowing() const;
bool interleaveIncubation() const override;
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;
QSGDefaultRenderContext *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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