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diff --git a/src/gui/kernel/qopenglcontext_platform.h b/src/gui/kernel/qopenglcontext_platform.h
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+++ b/src/gui/kernel/qopenglcontext_platform.h
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+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QOPENGLCONTEXT_PLATFORM_H
+#define QOPENGLCONTEXT_PLATFORM_H
+
+#ifndef QT_NO_OPENGL
+
+#include <QtGui/qtguiglobal.h>
+#include <QtGui/qopenglcontext.h>
+#include <QtGui/qwindowdefs.h>
+
+#if defined(Q_OS_MACOS)
+Q_FORWARD_DECLARE_OBJC_CLASS(NSOpenGLContext);
+#endif
+
+#if defined(Q_OS_LINUX)
+struct __GLXcontextRec; typedef struct __GLXcontextRec *GLXContext;
+#endif
+#if QT_CONFIG(egl)
+typedef void *EGLContext;
+typedef void *EGLDisplay;
+#endif
+
+QT_BEGIN_NAMESPACE
+
+namespace QPlatformInterface {
+
+#if defined(Q_OS_MACOS)
+struct Q_GUI_EXPORT QCocoaGLContext
+{
+    QT_DECLARE_PLATFORM_INTERFACE(QCocoaGLContext)
+    static QOpenGLContext *fromNative(QT_IGNORE_DEPRECATIONS(NSOpenGLContext) *, QOpenGLContext *shareContext = nullptr);
+    virtual QT_IGNORE_DEPRECATIONS(NSOpenGLContext) *nativeContext() const = 0;
+};
+#endif
+
+#if defined(Q_OS_WIN)
+struct Q_GUI_EXPORT QWGLContext
+{
+    QT_DECLARE_PLATFORM_INTERFACE(QWGLContext)
+    static HMODULE openGLModuleHandle();
+    static QOpenGLContext *fromNative(HGLRC context, HWND window, QOpenGLContext *shareContext = nullptr);
+    virtual HGLRC nativeContext() const = 0;
+};
+#endif
+
+#if defined(Q_OS_LINUX)
+struct Q_GUI_EXPORT QGLXContext
+{
+    QT_DECLARE_PLATFORM_INTERFACE(QGLXContext)
+    static QOpenGLContext *fromNative(GLXContext configBasedContext, QOpenGLContext *shareContext = nullptr);
+    static QOpenGLContext *fromNative(GLXContext visualBasedContext, void *visualInfo, QOpenGLContext *shareContext = nullptr);
+    virtual GLXContext nativeContext() const = 0;
+};
+#endif
+
+#if QT_CONFIG(egl)
+struct Q_GUI_EXPORT QEGLContext
+{
+    QT_DECLARE_PLATFORM_INTERFACE(QEGLContext)
+    static QOpenGLContext *fromNative(EGLContext context, EGLDisplay display, QOpenGLContext *shareContext = nullptr);
+    virtual EGLContext nativeContext() const = 0;
+};
+#endif
+
+} // QPlatformInterface
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_OPENGL
+
+#endif // QOPENGLCONTEXT_PLATFORM_H