Originally Posted by jlippo
Actually they have calculated Global Illumination into the lightmaps with full resolution, that is also the reason why the quality of lighting in environments is very good.
No, it's not.
It is used for all opague geometry including buildings, debris and characters.
Artist can make character with 20 4096x4096 textures convert it into megatexture and it doesn't matter to the game, it just streams just the area of texture that is actually needed and thats it.
I wouldn't call that GI.
And you are still using smaller textures.