set(classes vtkOpenGLContextActor vtkOpenGLContextBufferId vtkOpenGLContextDevice2D vtkOpenGLContextDevice3D vtkOpenGLPropItem) set(opengl_overrides ContextActor ContextDevice2D ContextDevice3D PropItem) foreach (opengl_override IN LISTS opengl_overrides) vtk_object_factory_declare( BASE "vtk${opengl_override}" OVERRIDE "vtkOpenGL${opengl_override}") endforeach () vtk_object_factory_declare( BASE vtkAbstractContextBufferId OVERRIDE vtkOpenGLContextBufferId) vtk_object_factory_configure( SOURCE_FILE vtk_object_factory_source HEADER_FILE vtk_object_factory_header EXPORT_MACRO "VTKRENDERINGCONTEXTOPENGL2_EXPORT") vtk_module_add_module(VTK::RenderingContextOpenGL2 CLASSES ${classes} SOURCES ${vtk_object_factory_source} PRIVATE_HEADERS ${vtk_object_factory_header})