qsgsoftwarerenderloop_p.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QSGSOFTWARERENDERLOOP_H
#define QSGSOFTWARERENDERLOOP_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 QBackingStore;
 
class QSGSoftwareRenderLoop : public QSGRenderLoop
{
    Q_OBJECT
public:
    QSGSoftwareRenderLoop();
    ~QSGSoftwareRenderLoop();
 
    void show(QQuickWindow *window) override;
    void hide(QQuickWindow *window) override;
 
    void windowDestroyed(QQuickWindow *window) override;
 
    void renderWindow(QQuickWindow *window, bool isNewExpose = false);
    void exposureChanged(QQuickWindow *window) override;
    QImage grab(QQuickWindow *window) override;
 
    void maybeUpdate(QQuickWindow *window) override;
    void update(QQuickWindow *window) override { maybeUpdate(window); } // identical for this implementation.
    void handleUpdateRequest(QQuickWindow *) override;
 
    void releaseResources(QQuickWindow *) override { }
 
    QSurface::SurfaceType windowSurfaceType() const override;
 
    QAnimationDriver *animationDriver() const override { return 0; }
 
    QSGContext *sceneGraphContext() const override;
    QSGRenderContext *createRenderContext(QSGContext *) const override { return rc; }
 
    struct WindowData {
        bool updatePending : 1;
        bool grabOnly : 1;
    };
 
    QHash<QQuickWindow *, WindowData> m_windows;
    QHash<QQuickWindow *, QBackingStore *> m_backingStores;
 
    QSGContext *sg;
    QSGRenderContext *rc;
 
    QImage grabContent;
};
 
QT_END_NAMESPACE
 
#endif // QSGSOFTWARERENDERLOOP_H