397     friend class QGLPixmapData;

   397     friend class QGLPixmapData;

   398     friend class QGLPixmapFilterBase;

   398     friend class QGLPixmapFilterBase;

   399     friend class QGLTextureGlyphCache;

   399     friend class QGLTextureGlyphCache;

   400     friend class QGLShareRegister;

   400     friend class QGLShareRegister;

   401     friend class QGLSharedResourceGuard;

   401     friend class QGLSharedResourceGuard;

   402     friend QGLFormat::OpenGLVersionFlags QGLFormat::openGLVersionFlags();

   403     friend QGLFormat::OpenGLVersionFlags QGLFormat::openGLVersionFlags();

   403 #ifdef Q_WS_MAC

   404 #ifdef Q_WS_MAC

   404 public:

   405 public:

   405     void updatePaintDevice();

   406     void updatePaintDevice();

   406 private:

   407 private:

   543 #endif

   544 #endif

   544     friend class QGLDrawable;

   545     friend class QGLDrawable;

   545     friend class QGLPixelBuffer;

   546     friend class QGLPixelBuffer;

   546     friend class QGLPixelBufferPrivate;

   547     friend class QGLPixelBufferPrivate;

   547     friend class QGLContext;

   548     friend class QGLContext;

   548     friend class QGLOverlayWidget;

   550     friend class QGLOverlayWidget;

   549     friend class QOpenGLPaintEngine;

   551     friend class QOpenGLPaintEngine;

   550     friend class QGLPaintDevice;

   552     friend class QGLPaintDevice;

   551     friend class QGLWidgetGLPaintDevice;

   553     friend class QGLWidgetGLPaintDevice;

   552 };

   554 };