if (VTK_OPENVR_OBJECT_FACTORY) set (_impl IMPLEMENTS vtkRenderingOpenGL2) endif() vtk_module(vtkRenderingOpenVR BACKEND OpenGL2 DEPENDS vtksys vtkCommonCore vtkRenderingOpenGL2 vtkRenderingVolumeOpenGL2 vtkInteractionStyle vtkInteractionWidgets vtkIOImage vtkIOXMLParser ${_impl} PRIVATE_DEPENDS vtkglew vtkImagingSources vtkFiltersSources TEST_DEPENDS vtkTestingCore vtkTestingRendering vtkInteractionWidgets vtkRenderingVolume vtkIOPLY vtkIOXML )