This option you can find in the installation directory (help documentation) of the software and you can use it for the application while editing your config.pro file.
File Storage & Retrieval
Sets amount of graphical data stored. Wireframe Wireframe data. Shading_high - Most detail (shaded). Shading_low - Least detail (shaded). Shading_lod - Detail determined by View Performance dialog (shaded).
wireframe, shading_low, shading_high,