Remove explicit tracking of QOpenGLContext in QWindowsGLContext

QPlatformOpenGLContext takes care of that via QPlatformOpenGLContextPrivate,
which is set up in QOpenGLContext::create().

Change-Id: I1088c2e18efe6023c8e76f126d967a607746e980
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

2 files changed, 1 insertions, 3 deletions

diff --git a/src/plugins/platforms/windows/qwindowsglcontext.cpp b/src/plugins/platforms/windows/qwindowsglcontext.cpp
index b2ac2e3476..4b866f16c5 100644
--- a/src/plugins/platforms/windows/qwindowsglcontext.cpp
+++ b/src/plugins/platforms/windows/qwindowsglcontext.cpp
@@ -1052,7 +1052,6 @@ QOpenGLStaticContext *QOpenGLStaticContext::create(bool softwareRendering)
 QWindowsGLContext::QWindowsGLContext(QOpenGLStaticContext *staticContext,
                                      QOpenGLContext *context) :
     m_staticContext(staticContext),
-    m_context(context),
     m_renderingContext(nullptr),
     m_pixelFormat(0),
     m_extensionsUsed(false),
diff --git a/src/plugins/platforms/windows/qwindowsglcontext.h b/src/plugins/platforms/windows/qwindowsglcontext.h
index 8794368fe4..d0b87cac7d 100644
--- a/src/plugins/platforms/windows/qwindowsglcontext.h
+++ b/src/plugins/platforms/windows/qwindowsglcontext.h
@@ -204,7 +204,7 @@ class QWindowsGLContext : public QWindowsOpenGLContext
 public:
     explicit QWindowsGLContext(QOpenGLStaticContext *staticContext, QOpenGLContext *context);
     ~QWindowsGLContext() override;
-    bool isSharing() const override { return m_context->shareHandle(); }
+    bool isSharing() const override { return context()->shareHandle(); }
     bool isValid() const override { return m_renderingContext && !m_lost; }
     QSurfaceFormat format() const override { return m_obtainedFormat; }
 
@@ -228,7 +228,6 @@ private:
     bool updateObtainedParams(HDC hdc, int *obtainedSwapInterval = nullptr);
 
     QOpenGLStaticContext *m_staticContext;
-    QOpenGLContext *m_context;
     QSurfaceFormat m_obtainedFormat;
     HGLRC m_renderingContext;
     std::vector<QOpenGLContextData> m_windowContexts;