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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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 QOPENGLPAINTDEVICE_P_H
+#define QOPENGLPAINTDEVICE_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists for the convenience
+// of the QtGui module. This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+
+#include <qpaintdevice.h>
+#include <QtGui/qopengl.h>
+#include <QtGui/qopenglcontext.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q_GUI_EXPORT QOpenGLPaintDevice : public QPaintDevice
+{
+public:
+ QOpenGLPaintDevice();
+ virtual ~QOpenGLPaintDevice();
+
+ int devType() const {return QInternal::OpenGL;}
+
+ virtual void beginPaint();
+ virtual void ensureActiveTarget();
+ virtual void endPaint();
+
+ virtual QOpenGLContextGroup *group() const = 0;
+
+ virtual QSurfaceFormat format() const = 0;
+ virtual QSize size() const = 0;
+
+ virtual bool alphaRequested() const = 0;
+ virtual bool isFlipped() const;
+
+ // returns the QOpenGLPaintDevice for the given QPaintDevice
+ static QOpenGLPaintDevice* getDevice(QPaintDevice*);
+
+protected:
+ int metric(QPaintDevice::PaintDeviceMetric metric) const;
+ GLuint m_previousFBO;
+ GLuint m_thisFBO;
+};
+
+
+#if 0
+// Wraps a QOpenGLWidget
+class QOpenGLWidget;
+class Q_GUI_EXPORT QOpenGLWidgetGLPaintDevice : public QOpenGLPaintDevice
+{
+public:
+ QOpenGLWidgetGLPaintDevice();
+
+ virtual QPaintEngine* paintEngine() const;
+
+ // QOpenGLWidgets need to do swapBufers in endPaint:
+ virtual void beginPaint();
+ virtual void endPaint();
+ virtual QSize size() const;
+ virtual QOpenGLContext* context() const;
+
+ void setWidget(QOpenGLWidget*);
+
+private:
+ friend class QOpenGLWidget;
+ QOpenGLWidget *glWidget;
+};
+#endif
+
+QT_END_NAMESPACE
+
+#endif // QOPENGLPAINTDEVICE_P_H