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/****************************************************************************
**
** Copyright (C) 2014 Jolla Ltd, author: <gunnar.sletta@jollamobile.com>
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Quick 2D Renderer module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef THREADEDRENDERLOOP_H
#define THREADEDRENDERLOOP_H
#include <private/qsgrenderloop_p.h>
QT_BEGIN_NAMESPACE
class RenderThread;
class ThreadedRenderLoop : public QSGRenderLoop
{
Q_OBJECT
public:
ThreadedRenderLoop();
void show(QQuickWindow *) override {}
void hide(QQuickWindow *) override;
void windowDestroyed(QQuickWindow *window) override;
void exposureChanged(QQuickWindow *window) override;
QImage grab(QQuickWindow *) override;
void update(QQuickWindow *window) override;
void maybeUpdate(QQuickWindow *window) override;
void handleUpdateRequest(QQuickWindow *window) override;
QSGContext *sceneGraphContext() const override;
QSGRenderContext *createRenderContext(QSGContext *) const override;
QAnimationDriver *animationDriver() const override;
void releaseResources(QQuickWindow *window) override;
bool event(QEvent *) override;
void postJob(QQuickWindow *window, QRunnable *job) override;
bool interleaveIncubation() const override;
public Q_SLOTS:
void animationStarted();
void animationStopped();
private:
struct Window {
QQuickWindow *window;
RenderThread *thread;
QSurfaceFormat actualWindowFormat;
uint updateDuringSync : 1;
uint forceRenderPass : 1;
};
friend class RenderThread;
void releaseResources(Window *window, bool inDestructor);
bool checkAndResetForceUpdate(QQuickWindow *window);
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;
bool m_lockedForSync;
};
QT_END_NAMESPACE
#endif // THREADEDRENDERLOOP_H
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