src/gui/egl/qeglproperties_p.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 03 May 2010 13:17:34 +0300
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QEGLPROPERTIES_P_H
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#define QEGLPROPERTIES_P_H
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the Qt API.  It exists for the convenience
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// of the QtOpenGL and QtOpenVG modules.  This header file may change from
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// version to version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <QtCore/qvarlengtharray.h>
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#include <QtGui/qimage.h>
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QT_BEGIN_INCLUDE_NAMESPACE
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#if defined(QT_OPENGL_ES_2)
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#   include <GLES2/gl2.h>
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#endif
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#if defined(QT_GLES_EGL)
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#   include <GLES/egl.h>
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#else
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#   include <EGL/egl.h>
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#endif
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#if defined(Q_WS_X11)
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// If <EGL/egl.h> included <X11/Xlib.h>, then the global namespace
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// may have been polluted with X #define's.  The following makes sure
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// the X11 headers were included properly and then cleans things up.
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#undef Bool
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#undef Status
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#undef None
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#undef KeyPress
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#undef KeyRelease
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#undef FocusIn
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#undef FocusOut
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#undef Type
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#undef FontChange
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#undef CursorShape
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#endif
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QT_END_INCLUDE_NAMESPACE
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QT_BEGIN_NAMESPACE
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namespace QEgl {
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    enum API
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    {
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        OpenGL,
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        OpenVG
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    };
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    enum PixelFormatMatch
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    {
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        ExactPixelFormat,
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        BestPixelFormat
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    };
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};
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class QX11Info;
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class QPaintDevice;
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class Q_GUI_EXPORT QEglProperties
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{
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public:
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    QEglProperties();
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    QEglProperties(EGLConfig);
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    QEglProperties(const QEglProperties& other) : props(other.props) {}
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    ~QEglProperties() {}
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    int value(int name) const;
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    void setValue(int name, int value);
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    bool removeValue(int name);
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    bool isEmpty() const { return props[0] == EGL_NONE; }
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    const int *properties() const { return props.constData(); }
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    void setPixelFormat(QImage::Format pixelFormat);
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#ifdef Q_WS_X11
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    void setVisualFormat(const QX11Info *xinfo);
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#endif
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    void setRenderableType(QEgl::API api);
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    void setPaintDeviceFormat(QPaintDevice *dev);
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    bool reduceConfiguration();
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    QString toString() const;
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    static void dumpAllConfigs();
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private:
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    QVarLengthArray<int> props;
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};
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QT_END_NAMESPACE
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#endif // QEGLPROPERTIES_P_H