Originally Posted by
BEEF34T3R
Are there any visable improvements in graphics/perfomance with Direct3D rendering instead of GL (on modern nV cards)? Lighting or something?
No, it looks identical.
But if you have real problems with OpenGL drivers and your DirectX ones work, these engines will run.
Furthermore, some people are saying they have been having a real hard time with performance on Windows 7 with GL clients, but the Direct3D api clients appear to run fine.
There have been a number of people over the years that haven't been able to get any GL engine running, but the highly obsolete Direct3DQuake from 2001 would run.
These "DirectEngines" are vast improvements of that ancient Direct3DQuake from 2001.
In some cases, it is possible that someone might get higher performance from these DirectEngines in some circumstances, but at least to me the main feature is the near virtual guarantee that Quake is going run on any given computer, instead of someone banging their head with driver issues.