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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3D_DRAWABLE_H
#define QT3D_DRAWABLE_H
#include <QObject>
#include <axisalignedboundingbox.h>
namespace Qt3D {
class QGraphicsContext;
class RenderShader;
class DrawStateSet;
class Drawable
{
public:
Drawable();
virtual ~Drawable();
// RenderNode* node() const;
/**
* @brief make OpenGL drawing commands for this drawable.
*
* The correct context and shader will already be defined,
* along with the transformation state. This method will
* be run from the rendering thread, and hence should take
* care if using mutable buffer data.
*
*/
virtual void sendDrawingCommands( QGraphicsContext* gc ) = 0;
/**
* @brief shader
* @return
*/
virtual RenderShader* shader() = 0;
virtual DrawStateSet* stateSet();
/**
* @brief Called by render thread to initialize resources
*
* This will be called in the context of the renderer thread
* once it has a fully created OpenGL context. The shader program for
* this drawable will be active (so attribute data can be bound)
*/
virtual void initializeGL(QGraphicsContext* dc);
virtual void releaseGL();
virtual AxisAlignedBoundingBox boundingBox() const = 0;
protected:
};
}
#endif // of QT3D_DRAWABLE_H
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