[SDL] (Probably offtopic) Small 3D engines using SDL

[Gregory Smith]

On Fri, 1 Feb 2008, Sergey Lapin wrote:

> Could you please tell me if you know some small, by
> which I mean understandable by one person, and usable on
> small embedded devices (like ARM handhelds or something like that) 3D engine.
> So software mode (OpenGL is good but not required),
> possibility to run with small resolutions and low memory
> footprint are main targets. OpenSource lincense is requirement too,
> with preference to GPL. And SDL support for cross-platform compatibility.
> I was looking at Quake1 engine, but it is too complex for my tasks and too
> hard to understand with limited time. Doom-style engine is not enough for me
> I'd prefer something like Quake1 but more understandable and without
> 'game' part, only graphics. Any pointers?

Aleph One meets nearly all those qualifications, except the "not complex" 
and "more understandable" parts :(

http://source.bungie.org/

Gregory