1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the plugins of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QCOCOAGLCONTEXT_H 41 #define QCOCOAGLCONTEXT_H 42 43 #include <QtCore/QPointer> 44 #include <QtCore/private/qcore_mac_p.h> 45 #include <qpa/qplatformopenglcontext.h> 46 #include <QtGui/QOpenGLContext> 47 #include <QtGui/QWindow> 48 49 #include <AppKit/AppKit.h> 50 51 QT_BEGIN_NAMESPACE 52 53 class QCocoaWindow; 54 55 class QCocoaGLContext : public QPlatformOpenGLContext 56 { 57 public: 58 QCocoaGLContext(QOpenGLContext *context); 59 ~QCocoaGLContext(); 60 61 void initialize() override; 62 63 bool makeCurrent(QPlatformSurface *surface) override; 64 void swapBuffers(QPlatformSurface *surface) override; 65 void doneCurrent() override; 66 67 void update(); 68 69 QSurfaceFormat format() const override; 70 bool isSharing() const override; 71 bool isValid() const override; 72 73 NSOpenGLContext *nativeContext() const; 74 75 QFunctionPointer getProcAddress(const char *procName) override; 76 77 private: 78 static NSOpenGLPixelFormat *pixelFormatForSurfaceFormat(const QSurfaceFormat &format); 79 80 bool setDrawable(QPlatformSurface *surface); 81 void prepareDrawable(QCocoaWindow *platformWindow); 82 void updateSurfaceFormat(); 83 84 NSOpenGLContext *m_context = nil; 85 NSOpenGLContext *m_shareContext = nil; 86 QSurfaceFormat m_format; 87 QVarLengthArray<QMacNotificationObserver, 3> m_updateObservers; 88 QAtomicInt m_needsUpdate = false; 89 90 #ifndef QT_NO_DEBUG_STREAM 91 friend QDebug operator<<(QDebug debug, const QCocoaGLContext *screen); 92 #endif 93 }; 94 95 QT_END_NAMESPACE 96 97 #endif // QCOCOAGLCONTEXT_H 98