only recreate the Context on Windows OS, as linux and OSX keep the debug

flag

Core/Core.cc

@@ -101,12 +101,14 @@
 namespace {
     void recreateContext()
     {
+#ifdef WIN32
         QOpenGLContext* ctx = QOpenGLContext::currentContext();
         QSurfaceFormat format = QSurfaceFormat::defaultFormat();
         ctx->setFormat(format);
         ctx->create();
         QOffscreenSurface* surface = new QOffscreenSurface();
         ctx->makeCurrent(surface);
+#endif
     }
 }