1 files changed, 5 insertions, 14 deletions

diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 2e8ac88..1957429 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -233,6 +233,7 @@ private:
 
     QGLExtensionFuncs m_extensionFuncs;
     const QGLContext *m_context; // context group's representative
+    QList<const QGLContext *> m_shares;
     QAtomicInt m_refs;
 
     friend class QGLShareRegister;
@@ -343,13 +344,11 @@ public:
 
 #ifdef Q_WS_WIN
     static inline QGLExtensionFuncs& extensionFuncs(const QGLContext *ctx) { return ctx->d_ptr->group->extensionFuncs(); }
-    static inline QGLExtensionFuncs& extensionFuncs(QGLContextGroup *ctx) { return ctx->extensionFuncs(); }
 #endif
 
 #if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS)
     static QGLExtensionFuncs qt_extensionFuncs;
     static inline QGLExtensionFuncs& extensionFuncs(const QGLContext *) { return qt_extensionFuncs; }
-    static inline QGLExtensionFuncs& extensionFuncs(QGLContextGroup *) { return qt_extensionFuncs; }
 #endif
 
     static void setCurrentContext(QGLContext *context);
@@ -399,21 +398,15 @@ public:
 Q_DECLARE_OPERATORS_FOR_FLAGS(QGLExtensions::Extensions)
 
 
-class QGLShareRegister
+class Q_AUTOTEST_EXPORT QGLShareRegister
 {
 public:
     QGLShareRegister() {}
-    ~QGLShareRegister() { reg.clear(); }
+    ~QGLShareRegister() {}
 
-    bool checkSharing(const QGLContext *context1, const QGLContext *context2);
     void addShare(const QGLContext *context, const QGLContext *share);
     QList<const QGLContext *> shares(const QGLContext *context);
     void removeShare(const QGLContext *context);
-private:
-    // Use a context's 'group' pointer to uniquely identify a group.
-    typedef QList<const QGLContext *> ContextList;
-    typedef QHash<const QGLContextGroup *, ContextList> SharingHash;
-    SharingHash reg;
 };
 
 extern Q_OPENGL_EXPORT QGLShareRegister* qgl_share_reg();
@@ -436,7 +429,7 @@ public:
             QGLContext *current = const_cast<QGLContext *>(QGLContext::currentContext());
             QGLContext *ctx = const_cast<QGLContext *>(context);
             Q_ASSERT(ctx);
-            bool switch_context = current != ctx && !qgl_share_reg()->checkSharing(current, ctx);
+            bool switch_context = current != ctx && !QGLContext::areSharing(current, ctx);
             if (switch_context)
                 ctx->makeCurrent();
 #if defined(Q_WS_X11)
@@ -491,8 +484,6 @@ private:
 
 #ifdef Q_WS_QWS
 extern QPaintEngine* qt_qgl_paint_engine();
-
-extern EGLDisplay qt_qgl_egl_display();
 #endif
 
 bool qt_gl_preferGL2Engine();
@@ -547,7 +538,7 @@ public:
         : m_oldContext(0)
     {
         QGLContext *currentContext = const_cast<QGLContext *>(QGLContext::currentContext());
-        if (currentContext != ctx && !qgl_share_reg()->checkSharing(ctx, currentContext)) {
+        if (currentContext != ctx && !QGLContext::areSharing(ctx, currentContext)) {
             m_oldContext = currentContext;
             m_ctx = const_cast<QGLContext *>(ctx);
             m_ctx->makeCurrent();