36 #ifndef vtkExternalOpenGLRenderer_h 
   37 #define vtkExternalOpenGLRenderer_h 
   40 #include "vtkRenderingExternalModule.h"  
   56   void Render(
void) 
override;
 
   77   virtual void RemoveAllExternalLights();
 
   87   vtkBooleanMacro(PreserveGLCameraMatrices, 
vtkTypeBool);
 
  107   void SynchronizeGLCameraMatrices();
 
  114   void SynchronizeGLLights();
 
  126 #endif // vtkExternalOpenGLRenderer_h