It really sucks that Dvxk has to warn against the dangers of using it for online gaming:
"Manipulation of Direct3D libraries in multi-player games may be considered cheating and can get your account banned. This may also apply to single-player games with an embedded or dedicated multiplayer portion. Use at your own risk."
The problem is not only hooking into the rendering, DLL injection can be used to take over the entire process and basically do whatever you want in a game client.
"Manipulation of Direct3D libraries in multi-player games may be considered cheating and can get your account banned. This may also apply to single-player games with an embedded or dedicated multiplayer portion. Use at your own risk."