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 3dfx Hardware & Software
 Voodoo2 Setup and tweaking
 now here is a question for VERY advanced V2 users
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ps47
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Slovakia
1461 Posts

Posted - 27/03/2005 :  16:09:55  Show Profile  Visit ps47's Homepage  Send ps47 an AOL message  Send ps47 an ICQ Message  Reply with Quote
I need to force the 24bbp->16bbp 4x4 ordered dither matrix to 2x2 for glide/opengl apps via an enviromental variable.(lets hope koolsmoky still visits the forum from time to time)

and the reason? see for yourself:

quake3 using 4x4 dither

Image Insert:

211.62 KB

quake3 using 2x2 dither

Image Insert:

230.79 KB

The 3Dfx Helppage and Game Guide / Voodoo3/4/5 enviromental variables

Edited by - ps47 on 27/03/2005 23:42:43

Nightbird
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1938 Posts

Posted - 28/03/2005 :  21:25:40  Show Profile  Visit Nightbird's Homepage  Send Nightbird a Yahoo! Message  Reply with Quote
Something has always surprized here : why only 4x4 or 2x2 dither ?

You get these pictures with what drivers ?

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ps47
Moderator

Slovakia
1461 Posts

Posted - 28/03/2005 :  23:37:03  Show Profile  Visit ps47's Homepage  Send ps47 an AOL message  Send ps47 an ICQ Message  Reply with Quote
both pictures were taken on my voodoo2 SLI.first picture shows q3 using the original 3dfx glide2x (supports both 4x4x and 2x2 dither),the second one is using koolsmoky beta glide2x (dither is ALWAYS forced to 2x2).the trouble is that I cant use koolsmoky beta glide2x for all my games,because it always forces sync buffer swaps to refresh rate to 1,and that means all games that require this setting on 0 or 2 wont behave normally.the solution would be to force 2x2 dither on the original 3dfx glide2x,but I'm not sure if this is even possible without recompiling the glide..

The 3Dfx Helppage and Game Guide / Voodoo3/4/5 enviromental variables
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