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/****************************************************************************
**
** Copyright (C) 2014 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Sean Harmer <sean.harmer@kdab.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui 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 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 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.LGPL3 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-3.0.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 (at your option) the GNU General
** Public license version 3 or 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.GPL2 and 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-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QOPENGLVERTEXARRAYOBJECT_H
#define QOPENGLVERTEXARRAYOBJECT_H
#include <QtGui/qtguiglobal.h>
#ifndef QT_NO_OPENGL
#include <QtCore/QObject>
#include <QtGui/qopengl.h>
QT_BEGIN_NAMESPACE
class QOpenGLVertexArrayObjectPrivate;
class Q_GUI_EXPORT QOpenGLVertexArrayObject : public QObject
{
Q_OBJECT
public:
explicit QOpenGLVertexArrayObject(QObject* parent = Q_NULLPTR);
~QOpenGLVertexArrayObject();
bool create();
void destroy();
bool isCreated() const;
GLuint objectId() const;
void bind();
void release();
class Q_GUI_EXPORT Binder
{
public:
inline Binder(QOpenGLVertexArrayObject *v)
: vao(v)
{
Q_ASSERT(v);
if (vao->isCreated() || vao->create())
vao->bind();
}
inline ~Binder()
{
release();
}
inline void release()
{
vao->release();
}
inline void rebind()
{
vao->bind();
}
private:
Q_DISABLE_COPY(Binder)
QOpenGLVertexArrayObject *vao;
};
private:
Q_DISABLE_COPY(QOpenGLVertexArrayObject)
Q_DECLARE_PRIVATE(QOpenGLVertexArrayObject)
Q_PRIVATE_SLOT(d_func(), void _q_contextAboutToBeDestroyed())
QOpenGLVertexArrayObject(QOpenGLVertexArrayObjectPrivate &dd);
};
QT_END_NAMESPACE
#endif
#endif // QOPENGLVERTEXARRAYOBJECT_H
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