Import Geant4 11.0.0.beta source tree

source/visualization/OpenGL/src/G4OpenGLImmediateQtViewer.cc

@@ -72,7 +72,7 @@ G4OpenGLImmediateQtViewer::G4OpenGLImmediateQtViewer
 }
 
 G4OpenGLImmediateQtViewer::~G4OpenGLImmediateQtViewer() {
-  makeCurrent();
+  //  makeCurrent();  // Not sure why this - commented out 12-Apr-2021 JA
 }
 
 void G4OpenGLImmediateQtViewer::Initialise() {
@@ -131,8 +131,6 @@ void G4OpenGLImmediateQtViewer::initializeGL () {
 
   glUseProgram(fShaderProgram);
 
-  setInitialized();  // Should be removed when fuse Wt and Qt
-
 #endif
 
   // If a double buffer context has been forced upon us, ignore the