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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.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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_QBUFFER_H
#define QT3DRENDER_QBUFFER_H
#include <Qt3DCore/qabstractbuffer.h>
#include <Qt3DRenderer/qt3drenderer_global.h>
#include <QSharedPointer>
#include <QOpenGLBuffer>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
GLint elementType(GLint type);
GLint tupleSizeFromType(GLint type);
GLuint byteSizeFromType(GLint type);
class QBufferPrivate;
class QBufferFunctor;
typedef QSharedPointer<QBufferFunctor> QBufferFunctorPtr;
class QT3DRENDERERSHARED_EXPORT QBuffer : public Qt3DCore::QAbstractBuffer
{
Q_OBJECT
Q_PROPERTY(BufferType type READ type WRITE setType NOTIFY typeChanged)
Q_PROPERTY(UsageType usage READ usage WRITE setUsage NOTIFY usageChanged)
Q_PROPERTY(bool sync READ isSync WRITE setSync NOTIFY syncChanged)
public:
enum BufferType
{
VertexBuffer = 0x8892, // GL_ARRAY_BUFFER
IndexBuffer = 0x8893, // GL_ELEMENT_ARRAY_BUFFER
PixelPackBuffer = 0x88EB, // GL_PIXEL_PACK_BUFFER
PixelUnpackBuffer = 0x88EC // GL_PIXEL_UNPACK_BUFFER
};
Q_ENUM(BufferType)
enum UsageType
{
StreamDraw = 0x88E0, // GL_STREAM_DRAW
StreamRead = 0x88E1, // GL_STREAM_READ
StreamCopy = 0x88E2, // GL_STREAM_COPY
StaticDraw = 0x88E4, // GL_STATIC_DRAW
StaticRead = 0x88E5, // GL_STATIC_READ
StaticCopy = 0x88E6, // GL_STATIC_COPY
DynamicDraw = 0x88E8, // GL_DYNAMIC_DRAW
DynamicRead = 0x88E9, // GL_DYNAMIC_READ
DynamicCopy = 0x88EA // GL_DYNAMIC_COPY
};
Q_ENUM(UsageType)
explicit QBuffer(BufferType ty = QBuffer::VertexBuffer, Qt3DCore::QNode *parent = 0);
~QBuffer();
void setUsage(UsageType usage);
UsageType usage() const;
void setType(BufferType type);
BufferType type() const;
void setBufferFunctor(const QBufferFunctorPtr &functor);
QBufferFunctorPtr bufferFunctor() const;
void setSync(bool sync);
bool isSync() const;
protected:
QBuffer(QBufferPrivate &dd, QBuffer::BufferType ty, Qt3DCore::QNode *parent = 0);
void copy(const Qt3DCore::QNode *ref) Q_DECL_OVERRIDE;
void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &change) Q_DECL_OVERRIDE;
Q_SIGNALS:
void typeChanged();
void usageChanged();
void syncChanged();
private:
Q_DECLARE_PRIVATE(QBuffer)
QT3D_CLONEABLE(QBuffer)
};
} // namespace Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_QBUFFER_H
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