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/****************************************************************************
**
** Copyright (C) 2017 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 Q3DS_QMLSTREAM_RENDERER_H
#define Q3DS_QMLSTREAM_RENDERER_H
#include "q3dsqmlstreamservice.h"
#include <QOpenGLFunctions>
#include <QSize>
#include <QThread>
#include <QWaitCondition>
#include <QMutex>
QT_BEGIN_NAMESPACE
class QQuickRenderControl;
class QQuickWindow;
class QQuickItem;
class QOpenGLContext;
class QOffscreenSurface;
class QOpenGLFramebufferObject;
class QOpenGLShaderProgram;
class QOpenGLBuffer;
class QOpenGLVertexArrayObject;
QT_END_NAMESPACE
class Q3DSQmlStreamRenderer;
class Q3DSQmlStreamEventHandler : public QObject
{
Q_OBJECT
public:
Q3DSQmlStreamEventHandler(Q3DSQmlStreamRenderer *renderer);
bool event(QEvent *e) Q_DECL_OVERRIDE;
private:
Q3DSQmlStreamRenderer *m_renderer;
};
class Q3DSQmlStreamRenderer : public QObject,
public IQ3DSQmlStreamRenderer
{
Q_OBJECT
public:
Q3DSQmlStreamRenderer();
virtual ~Q3DSQmlStreamRenderer();
bool initialize(QOpenGLContext *context, QSurface *surface) override;
QSize getDesiredSize() override;
E_TEXTURE_FORMAT getDesiredFormat() override;
bool isUpdateRequested() override;
void render() override;
void uninitialize() override;
void setItem(QQuickItem *item);
bool event(QEvent *event) Q_DECL_OVERRIDE;
private:
void updateSizes();
void requestUpdate();
void cleanup();
void initializeRender();
void renderTexture();
void initializeFboCopy();
QSize m_size;
QMutex m_mutex, m_renderMutex;
QWaitCondition m_waitCondition;
QQuickRenderControl *m_renderControl;
QQuickWindow *m_quickWindow;
QQuickItem *m_rootItem;
QOpenGLFramebufferObject *m_frameBuffer;
QOpenGLShaderProgram *m_program;
QOpenGLVertexArrayObject *m_vao;
QOpenGLBuffer *m_vertices;
QOpenGLContext *m_context, *m_shareContext;
QOffscreenSurface *m_offscreenSurface;
Q3DSQmlStreamEventHandler *m_renderObject;
QThread *m_renderThread;
bool m_requestRender;
bool m_initialized;
bool m_prepared;
bool m_renderControlInitialized;
bool m_update;
friend class Q3DSQmlStreamEventHandler;
};
#endif // Q3DS_QMLSTREAM_RENDERER_H
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