/****************************************************************************+
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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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+
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#ifndef QEGL_P_H+
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#define QEGL_P_H+
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+
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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 of+
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// 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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+
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#include <QtCore/qsize.h>+
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#include <QtGui/qimage.h>+
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+
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#include <private/qeglproperties_p.h>+
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+
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QT_BEGIN_INCLUDE_NAMESPACE+
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+
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#if !defined(EGL_VERSION_1_3) && !defined(QEGL_NATIVE_TYPES_DEFINED)+
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#undef EGLNativeWindowType+
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#undef EGLNativePixmapType+
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#undef EGLNativeDisplayType+
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typedef NativeWindowType EGLNativeWindowType;+
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typedef NativePixmapType EGLNativePixmapType;+
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typedef NativeDisplayType EGLNativeDisplayType;+
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#define QEGL_NATIVE_TYPES_DEFINED 1+
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#endif+
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QT_END_INCLUDE_NAMESPACE+
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+
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QT_BEGIN_NAMESPACE+
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+
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class Q_GUI_EXPORT QEglContext+
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{+
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public:+
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    QEglContext();+
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    ~QEglContext();+
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+
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    bool isValid() const;+
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    bool isCurrent() const;+
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    bool isSharing() const { return sharing; }+
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+
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    QEgl::API api() const { return apiType; }+
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    void setApi(QEgl::API api) { apiType = api; }+
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+
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    bool chooseConfig(const QEglProperties& properties, QEgl::PixelFormatMatch match = QEgl::ExactPixelFormat);+
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    bool createContext(QEglContext *shareContext = 0, const QEglProperties *properties = 0);+
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    void destroyContext();+
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    EGLSurface createSurface(QPaintDevice *device, const QEglProperties *properties = 0);+
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    void destroySurface(EGLSurface surface);+
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+
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    bool makeCurrent(EGLSurface surface);+
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    bool doneCurrent();+
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    bool lazyDoneCurrent();+
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    bool swapBuffers(EGLSurface surface);+
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+
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    void waitNative();+
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    void waitClient();+
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+
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    bool configAttrib(int name, EGLint *value) const;+
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+
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    static void clearError() { eglGetError(); }+
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    static EGLint error() { return eglGetError(); }+
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    static QString errorString(EGLint code);+
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+
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    static EGLDisplay display();+
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+
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    EGLContext context() const { return ctx; }+
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    void setContext(EGLContext context) { ctx = context; ownsContext = false;}+
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+
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    EGLConfig config() const { return cfg; }+
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    void setConfig(EGLConfig config) { cfg = config; }+
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+
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    QEglProperties configProperties(EGLConfig cfg = 0) const;+
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+
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    void dumpAllConfigs();+
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+
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    static QString extensions();+
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    static bool hasExtension(const char* extensionName);+
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+
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private:+
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    QEgl::API apiType;+
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    EGLContext ctx;+
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    EGLConfig cfg;+
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    EGLSurface currentSurface;+
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    bool current;+
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    bool ownsContext;+
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    bool sharing;+
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+
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    static EGLDisplay dpy;+
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    static EGLNativeDisplayType nativeDisplay();+
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+
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    static QEglContext *currentContext(QEgl::API api);+
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    static void setCurrentContext(QEgl::API api, QEglContext *context);+
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};+
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+
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QT_END_NAMESPACE+
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+
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#endif // QEGL_P_H+
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