There ARE ways to get wireframe without it being integrated into the client, folks.
All of this is usually done via a sort of 3D API 'proxy' that intercepts calls from the application to the 3D API (be it OpenGL or DirectX) munges these calls with their own then finally passes the scene along to the 3D subsystem in modified form.
All of this is usually done via a sort of 3D API 'proxy' that intercepts calls from the application to the 3D API (be it OpenGL or DirectX) munges these calls with their own then finally passes the scene along to the 3D subsystem in modified form.