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Texture LODs backed up


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I'm having an issue that appears to be with my LOD textures not updating correctly. The Fallout engine has a large view distance, so it blurs textures that are far away to keep your framerate up, and gradually makes them become clearer as you get closer.

 

For some reason, my Fallout 3 isn't making the LOD textures perfectly clear until I have already been standing on them for some time, usually 10-12 seconds. So, as I run through the wasteland the ground texture below me looks very poorly detailed a lot of the time, and will only update itself to the detailed, right-in-front of it version after I have been standing on it for a while. It seems as if there's some error in updating the LODs, but I simply cannot figure out why.

 

The frustrating part is it appears to be causeless. I started a new game running a number of mods, and everything worked fine. Then out of the blue, about ten days ago, I began to notice the LODs had stopped updating correctly. Now they were woefully late on switching from the far-distance low resolution to the close up high resolution textures. It was a new thing, I know I would have noticed this much sooner had it been happening all along.

 

I had not added or removed any mods during that time - so I don't see how they could have caused it. Just in case, I completely reinstalled the game with no mods and no patches, still the LODs will not update correctly. Patched it, and still they will not update. Used my video card's Nvidia control center to override the game's anisotropic filtering setting to 16x, and still no change whatsoever. Updated my video card drivers to the most recent 190.38, no change. Textures are on LARGE, and all settings are on full at 1680X1050 resolution. I don't understand why this would have happened, because nothing actually changed between the time when the game was fine and it started doing this.

 

I've been playing Fallout 3 since it was released on this very same system, and only within the past 10 days or so did this begin to happen. Video card is running at a healthy temperature and no other games have problems at all, so it is not overheating. I went into my preferences.ini's, but I'm beginning the think the .ini's are just fakes because no matter how many outrageously high or low numbers I threw in there, there was no visible change at all.

 

I am running a Nvidia GTX260 with 896mb video memory, and some type of dual core CPU that I don't remember the name of off-hand.

 

Any suggestions? Thanks. I can submit some screenshots of the issue if anyone is unclear.

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  • 3 weeks later...

The problem I currently have is similar. After playing with anisotropic filtering 2x for a session or two, I decided to trade it in for better performance and disabled it. Next time I played, the ground was pixelated. It looks like the left side of this Duke Nukem 3D screenshot: http://hrp.duke4.net/screens/hrp_screen04.jpg

 

EDIT: Reenabling anisotropic fixed my problem. On second thought I don't think our issues are related at all. When I looked straight down at the ground, it was fine - only the slanted nearer-middle-distance areas aniso affects were pixelated. Anyway, I hope a solution to your LOD thing crops up somewhere, someday. :/

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