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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QOPENGLCONTEXT_H
#define QOPENGLCONTEXT_H
#ifndef QT_NO_OPENGL
#include <QtCore/qnamespace.h>
#include <QtCore/QObject>
#include <QtCore/QScopedPointer>
#include <QtGui/QSurfaceFormat>
#ifdef __GLEW_H__
#warning qopenglfunctions.h is not compatible with GLEW, GLEW defines will be undefined
#warning To use GLEW with Qt, do not include <qopengl.h> or <QOpenGLFunctions> after glew.h
#endif
#include <QtGui/qopengl.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QOpenGLContextPrivate;
class QOpenGLContextGroupPrivate;
class QOpenGLFunctions;
class QPlatformOpenGLContext;
class QScreen;
class QSurface;
class Q_GUI_EXPORT QOpenGLContextGroup : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QOpenGLContextGroup)
public:
~QOpenGLContextGroup();
QList<QOpenGLContext *> shares() const;
static QOpenGLContextGroup *currentContextGroup();
private:
QOpenGLContextGroup();
friend class QOpenGLContext;
friend class QOpenGLContextGroupResourceBase;
friend class QOpenGLSharedResource;
friend class QOpenGLMultiGroupSharedResource;
};
class Q_GUI_EXPORT QOpenGLContext : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QOpenGLContext)
public:
QOpenGLContext(QObject *parent = 0);
~QOpenGLContext();
void setFormat(const QSurfaceFormat &format);
void setShareContext(QOpenGLContext *shareContext);
void setScreen(QScreen *screen);
bool create();
bool isValid() const;
QSurfaceFormat format() const;
QOpenGLContext *shareContext() const;
QOpenGLContextGroup *shareGroup() const;
QScreen *screen() const;
GLuint defaultFramebufferObject() const;
bool makeCurrent(QSurface *surface);
void doneCurrent();
void swapBuffers(QSurface *surface);
QFunctionPointer getProcAddress(const QByteArray &procName);
QSurface *surface() const;
static QOpenGLContext *currentContext();
static bool areSharing(QOpenGLContext *first, QOpenGLContext *second);
QPlatformOpenGLContext *handle() const;
QPlatformOpenGLContext *shareHandle() const;
QOpenGLFunctions *functions() const;
Q_SIGNALS:
void aboutToBeDestroyed();
private:
friend class QGLContext;
friend class QOpenGLContextResourceBase;
friend class QOpenGLPaintDevice;
friend class QOpenGLGlyphTexture;
friend class QOpenGLTextureGlyphCache;
friend class QOpenGLEngineShaderManager;
friend class QOpenGLFramebufferObject;
friend class QOpenGLFramebufferObjectPrivate;
friend class QOpenGL2PaintEngineEx;
friend class QOpenGL2PaintEngineExPrivate;
friend class QSGDistanceFieldGlyphCache;
friend class QWidgetPrivate;
void *qGLContextHandle() const;
void setQGLContextHandle(void *handle,void (*qGLContextDeleteFunction)(void *));
void deleteQGLContext();
void destroy();
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QT_NO_OPENGL
#endif // QGUIGLCONTEXT_H
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