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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 Q3DSSTUDIO3DENGINE_P_H
#define Q3DSSTUDIO3DENGINE_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 <Qt3DStudioRuntime2/private/q3dsruntimeglobal_p.h>
#include <QMutex>
#include <QElapsedTimer>
#include <QQuickItem>
#include <Qt3DCore/QNodeId>
QT_BEGIN_NAMESPACE
class Q3DSEngine;
class Q3DSUipPresentation;
class Q3DSScene;
class Q3DSSlide;
class QOpenGLFramebufferObject;
class Q3DSLayer3D;
namespace Qt3DCore {
class QAspectEngine;
}
namespace Qt3DRender {
class QRenderAspect;
class QRenderAspectPrivate;
}
class Q3DSV_PRIVATE_EXPORT Q3DSStudio3DEngine : public QQuickItem
{
Q_OBJECT
public:
explicit Q3DSStudio3DEngine(QQuickItem *parent = 0);
~Q3DSStudio3DEngine();
void registerView(Q3DSLayer3D *view);
void unregisterView(Q3DSLayer3D *view);
void handleViewGeometryChange(Q3DSLayer3D *view, const QSize &size);
Q3DSUipPresentation *presentation() const { return m_presentation; }
Q3DSEngine *engine() const { return m_engine; }
private slots:
void startEngine();
void destroyEngine();
void updateViews();
private:
void itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &changeData) override;
void releaseResources() override;
void createEngine();
void sendResizeToQt3D(const QSize &size, qreal dpr);
void releaseEngineAndRenderer();
Q3DSEngine *m_engine = nullptr;
Q3DSUipPresentation *m_presentation = nullptr;
Q3DSScene *m_scene = nullptr;
Q3DSSlide *m_masterSlide = nullptr;
Q3DSSlide *m_slide = nullptr;
class Renderer : public QObject {
public:
Renderer(Q3DSStudio3DEngine *engine, Qt3DCore::QAspectEngine *aspectEngine);
~Renderer();
void invalidateEngine();
void notifyEngineStart();
struct Layer {
Q3DSLayer3D *item = nullptr;
Qt3DCore::QNodeId textureNodeId;
QSize pixelSize;
int sampleCount;
QSize itemSizeWithoutDpr;
};
void setLayers(const QVector<Layer> &layers) { m_layers = layers; }
private:
void render();
Q3DSStudio3DEngine *m_engine;
bool m_engineInvalid = false;
QMutex m_engineInvalidLock;
QAtomicInt m_engineStarted;
Qt3DCore::QAspectEngine *m_aspectEngine;
Qt3DRender::QRenderAspect *m_renderAspect = nullptr;
Qt3DRender::QRenderAspectPrivate *m_renderAspectD = nullptr;
QOpenGLFramebufferObject *m_fbo = nullptr;
QVector<Layer> m_layers;
QElapsedTimer m_renderTimer;
bool m_usingRenderThread;
};
Renderer *m_renderer = nullptr;
QVector<Q3DSLayer3D *> m_views;
bool m_pendingViewSend = false;
};
QT_END_NAMESPACE
#endif // Q3DSSTUDIO3DENGINE_P_H
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