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Diffstat (limited to 'src/gui/opengl/qopenglpaintdevice_p.h')
-rw-r--r-- | src/gui/opengl/qopenglpaintdevice_p.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/gui/opengl/qopenglpaintdevice_p.h b/src/gui/opengl/qopenglpaintdevice_p.h new file mode 100644 index 0000000000..492bc1649a --- /dev/null +++ b/src/gui/opengl/qopenglpaintdevice_p.h @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** 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 |