These commands manage how viewport display materials.
The visible result of these options depends on which visual style you are using.
When a legacy viewport drivers (Direct3D or OpenGL) is active, the options on this submenu are Standard Display versus Hardware Display.
When on, transparent materials are displayed as transparent. Default=on.
Uses Phong shading but does not show maps.
Uses Phong shading and displays Diffuse Color and Opacity maps.
Uses realistic shading but does not show maps.
Uses realistic shading and displays maps.