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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 QSGSOFTWARETHREADEDRENDERLOOP_H
#define QSGSOFTWARETHREADEDRENDERLOOP_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 <private/qsgrenderloop_p.h>
QT_BEGIN_NAMESPACE
class QSGSoftwareRenderThread;
class QSGSoftwareContext;
class QSGSoftwareThreadedRenderLoop : public QSGRenderLoop
{
Q_OBJECT
public:
QSGSoftwareThreadedRenderLoop();
~QSGSoftwareThreadedRenderLoop();
void show(QQuickWindow *window) override;
void hide(QQuickWindow *window) override;
void resize(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;
void handleUpdateRequest(QQuickWindow *window) override;
QAnimationDriver *animationDriver() const override;
QSGContext *sceneGraphContext() const override;
QSGRenderContext *createRenderContext(QSGContext *) const override;
void releaseResources(QQuickWindow *window) override;
void postJob(QQuickWindow *window, QRunnable *job) override;
QSurface::SurfaceType windowSurfaceType() const override;
bool interleaveIncubation() const override;
int flags() const override;
bool event(QEvent *e) override;
public Q_SLOTS:
void onAnimationStarted();
void onAnimationStopped();
private:
struct WindowData {
QQuickWindow *window;
QSGSoftwareRenderThread *thread;
uint updateDuringSync : 1;
uint forceRenderPass : 1;
};
void startOrStopAnimationTimer();
void handleExposure(QQuickWindow *window);
void handleObscurity(WindowData *w);
void scheduleUpdate(WindowData *w);
void handleResourceRelease(WindowData *w, bool destroying);
void polishAndSync(WindowData *w, bool inExpose);
QSGSoftwareContext *m_sg;
QAnimationDriver *m_anim;
int animationTimer = 0;
bool lockedForSync = false;
QVector<WindowData> m_windows;
friend class QSGSoftwareRenderThread;
};
QT_END_NAMESPACE
#endif // QSGSOFTWARETHREADEDRENDERLOOP_H
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