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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtOpenGL module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGLPAINTDEVICE_P_H
#define QGLPAINTDEVICE_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 QtOpenGL module. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include <qpaintdevice.h>
#include <qgl.h>
class QGLPaintDevice : public QPaintDevice
{
public:
QGLPaintDevice();
virtual ~QGLPaintDevice();
int devType() const {return QInternal::OpenGL;}
virtual void beginPaint();
virtual void ensureActiveTarget();
virtual void endPaint();
// virtual void clearOnBegin() const;
// virtual QColor clearColor() const;
// virtual QColor backgroundColor() const;
// virtual bool autoFillBackground() const;
// virtual bool hasTransparentBackground() const;
virtual QGLContext* context() const = 0;
QGLFormat format() const;
virtual QSize size() const = 0;
// returns the QGLPaintDevice for the given QPaintDevice
static QGLPaintDevice* getDevice(QPaintDevice*);
protected:
// Inline?
// void setContext(QGLContext* c);
GLuint m_previousFBO;
GLuint m_thisFBO;
private:
// QGLContext* m_context;
};
// Wraps a QGLWidget
class QGLWidget;
class QGLWidgetGLPaintDevice : public QGLPaintDevice
{
public:
QGLWidgetGLPaintDevice();
virtual QPaintEngine* paintEngine() const;
// virtual void clearOnBegin() const;
// virtual QColor clearColor() const;
// virtual bool autoFillBackground() const;
// virtual bool hasTransparentBackground() const;
// QGLWidgets need to do swapBufers in endPaint:
virtual void beginPaint();
virtual void endPaint();
virtual QSize size() const;
virtual QGLContext* context() const;
void setWidget(QGLWidget*);
private:
friend class QGLWidget;
QGLWidget *glWidget;
};
/*
Replaces:
class QGLPixelBuffer;
class QGLFramebufferObject;
class QWSGLWindowSurface;
class QGLWindowSurface;
class QGLPixmapData;
class QGLDrawable {
public:
QGLDrawable() : widget(0), buffer(0), fbo(0)
#if defined(Q_WS_QWS) || (!defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL))
, wsurf(0)
#endif
#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
, pixmapData(0)
#endif
{}
void setDevice(QPaintDevice *pdev);
void swapBuffers();
void makeCurrent();
void doneCurrent();
QSize size() const;
QGLFormat format() const;
GLuint bindTexture(const QImage &image, GLenum target = GL_TEXTURE_2D, GLint format = GL_RGBA);
GLuint bindTexture(const QPixmap &pixmap, GLenum target = GL_TEXTURE_2D, GLint format = GL_RGBA);
QColor backgroundColor() const;
QGLContext *context() const;
bool autoFillBackground() const;
bool hasTransparentBackground() const;
#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
QGLPixmapData *copyOnBegin() const;
#endif
private:
bool wasBound;
QGLWidget *widget;
QGLPixelBuffer *buffer;
QGLFramebufferObject *fbo;
#ifdef Q_WS_QWS
QWSGLWindowSurface *wsurf;
#elif !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
QGLWindowSurface *wsurf;
#endif
#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
QGLPixmapData *pixmapData;
#endif
int previous_fbo;
};
*/
#endif // QGLPAINTDEVICE_P_H
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