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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3DRENDER_QSCENE2D_P_H
#define QT3DRENDER_QSCENE2D_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <private/qobject_p.h>
#include <private/qframegraphnode_p.h>
#include <Qt3DRender/qscene2d.h>
#include <Qt3DRender/QAbstractTexture>
#include <QtQml/QQmlEngine>
#include <QtQml/QQmlComponent>
#include <QtQuick/QQuickItem>
#include <QtQuick/QQuickWindow>
#include <QtQuick/QQuickRenderControl>
#include <QtGui/QOffscreenSurface>
#include <QtCore/QCoreApplication>
#include <QtCore/QWaitCondition>
#include <QtCore/QThread>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
class QScene2D;
class Scene2DManager;
// render thread -> render thread
static const QEvent::Type INITIALIZE = QEvent::Type(QEvent::User + 1);
// main thread -> main thread, render thread
static const QEvent::Type RENDER = QEvent::Type(QEvent::User + 2);
// main thread -> main thread
static const QEvent::Type RENDERSYNC = QEvent::Type(QEvent::User + 3);
// render thread -> main thread
static const QEvent::Type PREPARE = QEvent::Type(QEvent::User + 4);
static const QEvent::Type INITIALIZED = QEvent::Type(QEvent::User + 5);
static const QEvent::Type RENDERED = QEvent::Type(QEvent::User + 6);
// main thread -> render thread
static const QEvent::Type QUIT = QEvent::Type(QEvent::User + 7);
class Q_AUTOTEST_EXPORT Scene2DSharedObject
{
public:
Scene2DSharedObject(Scene2DManager *manager);
~Scene2DSharedObject();
QQuickRenderControl *m_renderControl;
QQuickWindow *m_quickWindow;
Scene2DManager *m_renderManager;
QOffscreenSurface *m_surface;
QThread *m_renderThread;
QObject *m_renderObject;
QWaitCondition m_cond;
QMutex m_mutex;
bool isInitialized() const;
void setInitialized();
void requestQuit();
bool isQuit() const;
void requestRender(bool sync);
bool isSyncRequested() const;
void clearSyncRequest();
void waitRender();
void wakeWaiting();
bool isPrepared() const;
void setPrepared();
void disallowRender();
bool canRender() const;
void cleanup();
private:
bool m_disallowed;
bool m_quit;
bool m_requestSync;
bool m_requestRender;
bool m_prepared;
bool m_initialized;
};
typedef QSharedPointer<Scene2DSharedObject> Scene2DSharedObjectPtr;
class Q_AUTOTEST_EXPORT QScene2DPrivate : public QFrameGraphNodePrivate
{
public:
Q_DECLARE_PUBLIC(QScene2D)
QScene2DPrivate();
~QScene2DPrivate();
static Scene2DSharedObject *getSharedObject(QScene2D *rqtt);
Scene2DManager *m_renderManager;
QMetaObject::Connection m_textureDestroyedConnection;
};
struct QScene2DData
{
bool renderOnce;
Qt3DCore::QNodeId textureId;
Scene2DSharedObjectPtr sharedObject;
};
class Scene2DManager : public QWindow
{
Q_OBJECT
public:
Scene2DManager(QScene2DPrivate *priv);
~Scene2DManager();
QQmlEngine *m_qmlEngine;
QQmlComponent *m_qmlComponent;
QQuickItem *m_rootItem;
QScene2DPrivate *m_priv;
QSharedPointer<Scene2DSharedObject> m_sharedObject;
QAbstractTexture *m_texture;
QUrl m_source;
Qt3DCore::QNodeId m_id;
bool m_requested;
bool m_initialized;
bool m_renderSyncRequested;
bool m_renderOnce;
bool m_backendInitialized;
void requestRender();
void requestRenderSync();
void doRenderSync();
void startIfInitialized();
void stopAndClean();
void run();
void updateSizes();
void setTexture(QAbstractTexture *texture);
void setSource(const QUrl &url);
bool event(QEvent *e) Q_DECL_OVERRIDE;
Q_SIGNAL void onLoadedChanged();
void cleanup();
};
} // namespace Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_QSCENE2D_P_H
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