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DarkBASIC Professional Discussion / [LOCKED] DB Pro shadows use the depth fail technique - any patent issues?

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The Weeping Corpse
14
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Joined: 19th Sep 2011
Location: United Kingdom
Posted: 11th Nov 2012 21:29 Edited at: 11th Nov 2012 21:36
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I've been studying the DB Pro source code over at google code and just noticed that DB Pro shadows use the stencil buffer depth fail technique.

This method was patented by creative in 1999 and later discovered by Carmack while developing idTech 4. It's well published that they came to an amicable agreement.

How does TGC stand on this issue? I'm asking because I intend to use TGC products in a commercial setting.

I guess this also effects FPSC as it's written in DB Pro.

edit - sorry about the double thread post

www.youtube.com/user/TheWeepingCorpse

www.theweepingcorpse.com
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