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Doom 3: Patents and the GPL

April 13th, 2009 by Crusader

Doomworld e-mailed id Software’s John Carmack about a potential legal issue with the upcoming release of Doom 3′s source code under the GPL:
Doomworld:

I believe you’ve said publicly that you are planning a GPL release of the Doom 3 source code, but I remember around the time the game was launched you had Creative holding a patent on the shadows algorithm, and you assuaged them by including support for EAX. Is that still causing problems?

Carmack:

When we release the code (no date set), anyone that uses it would potentially be infringing. There are workarounds at a modest performance cost.

One Response to “Doom 3: Patents and the GPL”

  1. Thunor Says:

    How do you even begin to comment on this ridiculous nonsense. So Creative own an algorithm and they used this to “persuade” id into supporting EAX!

    I’m going to make a prediction about what these patents are going to achieve: Existing powerful companies and their patent grabbing are going to make it impossible for new companies to develop competing products. Dodgy businessmen — you know the ones, they handily make billions on economic downturns and end up buying their competitors for a pound — will own everything, they’ll make garbage and nobody will be able to do anything about it.

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