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Texture edge artifacts - what do they mean?

S

SickBeast

Lifer
Guys,

I'm getting some artifacts on the edges of certain textures. It's happening mostly in Battlefield Bad Company 2 with the ground textures. Where the textures meet, there are tiny white dots.

I've highly overclocked my GTX 460 (925mhz core, 4200mhz memory). I'm thinking that this means my memory is overheating.

Can I just back down on my memory overclock? Or are these artifacts from the core getting too hot?

TIA
 
Really? You don't say, sorry for thread crapping here but you have all you need right in front of you to figure this out. Bring your card back to stock clocks and if artifacting goes away you have you answer. Then if it doesn't your card could still overheating, check temps with gpu-z? (iirc) if temps are too high try to clean heatsink, reapply thermal paste, etc. If its not overheating it could be a driver issue or your card could be dying from being OC'd (which is the risk you take).
 
Quiksilver said:
sorry for thread crapping
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IMO people like you should be completely banned from the forums. I've been a member here for over 8 years and I always try to help people out whenever I can.

If you have nothing useful to add to a thread, don't post it.

I need to know if these artifacts are GPU core or memory related. I'm sure someone who actually knows something about GPU overclocking will be able to help me out.
 
I've played Bad Company 2 from beginning to end, and didn't see anything you mentioned.

When I had my HD4850, it would overheat up to 92c, and introduce artifacts to image, like stray lines or dots. So this could be the problem. I suggest tune down the overclock and see what's going on. Typically overheating will introduce artifacts, so overclocking could cause problem
 
SickBeast said:
IMO people like you should be completely banned from the forums. I've been a member here for over 8 years and I always try to help people out whenever I can.

If you have nothing useful to add to a thread, don't post it.

I need to know if these artifacts are GPU core or memory related. I'm sure someone who actually knows something about GPU overclocking will be able to help me out.
Click to expand...

Bring your card back to stock clocks and if artifacting goes away you have you answer. Then if it doesn't your card could still overheating, check temps with gpu-z? (iirc) if temps are too high try to clean heatsink, reapply thermal paste, etc. If its not overheating it could be a driver issue or your card could be dying from being OC'd (which is the risk you take).
Click to expand...

SickBeast said:
Ok so I figured out out:

http://forums.electronicarts.co.uk/...y-2-pc/1296056-texture-shimmering-nvidia.html

It has to do with having "anisotropic sample optimization" turned on in the drivers.

Notice how the two guys that took a dump on my thread were completely wrong. <<<---------- plus yourself as you originally thought the problem was caused by overheating because of your OC --- I'd also imagine you can turn that option back on if you reduce your OC.
Click to expand...

it could be a driver issue
Click to expand...

....
 
Last edited:
BFG10K said:
Run the card at stock speeds and see if the problem vanishes. I would have thought this was an elementary course of action.
Click to expand...

And I would have thought that someone who reviews video cards would know what the various types of graphics artifacts mean.
 
SickBeast said:
And I would have thought that someone who reviews video cards would know what the various types of graphics artifacts mean.
Click to expand...

Any kind of artifacts mean the same fucking thing when it comes to video cards.

1) Poor Ventallation/ Overheating.
2) Bad Card/ Dying Card
3) Software Issue (OS, Game, Driver, etc.)
4) Overclocking (Not stable)

There is no color coded magical artifact that can tell you exactly what the issue is now stop trying to be a wise and beautiful woman (yeah, yeah personal attack) to each of us who are telling you the logical thing to do which was return the card back to stock speeds sames you overclocked it.
 
Quiksilver said:
Any kind of artifacts mean the same fucking thing when it comes to video cards.
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No they don't. "Snow" artifacts mean the memory is overheating. Geometry artifacts mean that the core is overheating.

As for the rest of your crap, I'm not going to bother responding to it. Hopefully the mods will clean up your act for you. ()🙂
 
SickBeast said:
No they don't. "Snow" artifacts mean the memory is overheating. Geometry artifacts mean that the core is overheating.

As for the rest of your crap, I'm not going to bother responding to it. Hopefully the mods will clean up your act for you. ()🙂
Click to expand...

Actually that is debatable. Go ahead, google it, many mixed results some say its core others say its memory. Hell there's even a page that shows specific examples of artifacting but its old. However there are actually more guides explaining that "snow" is caused by the core more-so than memory.

In any case its just easier and safer to say unstable cards(OC'd or not) can do unpredictable things.

As far as my crapping goes, this whole thread is a crapfest with your refusal to take any of our advice and just blaming the drivers for something you jumped right to conclusion to without doing even the most basic troubleshooting. Yet, hey who am I to say whose right and whose wrong.
 
SickBeast said:
No they don't. "Snow" artifacts mean the memory is overheating. Geometry artifacts mean that the core is overheating.
Click to expand...

Not that simple mate. Snow artifacts are related to the memory *subsystem*. In other words, it could be the memory chips, or it could be the memory controller, or any internal caches that are affected by core clock.

For geometry artifacts you would think core, but if that geometry information is being stored in the GPUs local memory then obviously the error could be in the memory subsystem as well.

So yeah, the answer is pretty obvious: return the card to stock settings and see how if it goes away. The driver thing also makes a lot of sense, since instability tends to be more random than simply affecting texture seams.
 
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