qcocoaglcontext.h

Go to the documentation of this file.

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QCOCOAGLCONTEXT_H
#define QCOCOAGLCONTEXT_H
 
#include <QtCore/QPointer>
#include <QtCore/QVarLengthArray>
#include <QtCore/private/qcore_mac_p.h>
#include <qpa/qplatformopenglcontext.h>
#include <QtGui/qopenglcontext.h>
#include <QtGui/private/qopenglcontext_p.h>
#include <QtGui/QWindow>
 
Q_FORWARD_DECLARE_OBJC_CLASS(NSOpenGLContext);
Q_FORWARD_DECLARE_OBJC_CLASS(NSOpenGLPixelFormat);
 
QT_BEGIN_NAMESPACE
 
class QCocoaWindow;
 
class QCocoaGLContext : public QPlatformOpenGLContext, public QNativeInterface::QCocoaGLContext
{
public:
    QCocoaGLContext(QOpenGLContext *context);
    QCocoaGLContext(NSOpenGLContext *context);
    ~QCocoaGLContext();
 
    void initialize() override;
 
    bool makeCurrent(QPlatformSurface *surface) override;
    void swapBuffers(QPlatformSurface *surface) override;
    void doneCurrent() override;
 
    void update();
 
    QSurfaceFormat format() const override;
    bool isSharing() const override;
    bool isValid() const override;
 
    NSOpenGLContext *nativeContext() const override;
 
    QFunctionPointer getProcAddress(const char *procName) override;
 
private:
    static NSOpenGLPixelFormat *pixelFormatForSurfaceFormat(const QSurfaceFormat &format);
 
    bool setDrawable(QPlatformSurface *surface);
    void updateSurfaceFormat();
 
    NSOpenGLContext *m_context = nil;
    NSOpenGLContext *m_shareContext = nil;
    QSurfaceFormat m_format;
    QVarLengthArray<QMacNotificationObserver, 3> m_updateObservers;
    QAtomicInt m_needsUpdate = false;
 
#ifndef QT_NO_DEBUG_STREAM
    friend QDebug operator<<(QDebug debug, const QCocoaGLContext *screen);
#endif
};
 
QT_END_NAMESPACE
 
#endif // QCOCOAGLCONTEXT_H