Sparse Virtual Textures, similar to ID's Rage MegaTexturing

ZacD · Aug 2010

http://silverspaceship.com/src/svt/

I thought this was a really cool read, do you guys think this technique will become the norm in the industry before too long?

Ark · Aug 2010

Aren't Splash Damage also doing something like this on BRINK?

ZacD · Aug 2010

"Brink is a FPS using a heavily modified id tech 4 engine." this is a feature of id tech 5, so they probably ported it over.

MoP · Aug 2010

I'm fairly sure we wrote our own one, actually, but I don't know the full details of it.

Surfa · Aug 2010

They used it on Enemy Territory: QUAKE Wars so for brink I guess they used that implementation. I think they said they worked with id to bring the mega texture support over to Id tech 4.

Also I don't think this technology is new. People have been using a similar tech for fonts and icons for a while. Although that was obviously a lot less complicated. (Using a texture atlas)

http://en.wikipedia.org/wiki/Texture_atlas

MoP · Aug 2010

Surfa, no, the ETQW implementation is quite different to what we are using now, as is the id Tech 5 implementation. The ETQW method only worked in a 2d plane for getting lookups from the texture atlas. The Brink and Rage implementations use a small screen-space buffer for looking stuff up.

Sparse Virtual Textures, similar to ID's Rage MegaTexturing

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