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Old 10-09-05, 11:33 AM   #1
mx125race
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Default Graphics Problems on CS:S

Has anyone ever had the ground or certain objects on counter strike source turn a purple color? Well, yesterday i heard a few people compaining about it in a pub, then today i got it on dust 2. I know some newer maps get it because the downlaod was corrupted etc., but dust 2? Real wierd, my card is bran-new, too, so its nothin to do with that. If i still notice, i guess i should reistall drivers or the game.
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Old 10-09-05, 11:43 AM   #2
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Default Re: Graphics Problems on CS:S

Do you have a screen shot?

I play cs:s a lot and quite a few new maps have come out. I'll take a look/see.
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Old 10-09-05, 01:24 PM   #3
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Default Re: Graphics Problems on CS:S

i have to go 2 a party in a minute, but when i get back ill take one.
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Old 10-09-05, 01:42 PM   #4
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Default Re: Graphics Problems on CS:S

I know what you are experiencing and the cause. Many maps have a reflective surface on the ground, walls, etc. Especially glass windows. Now the way reflective surfaces work in source is kind of a joke - they don't have realtime reflections a la games like the ones ID makes (even quake 1 has realtime reflections...) Instead they hold a bumpmapped alpha image of a low resolution static "skybox" of the map (so e.g. you can never see movable objects reflect on water, glass windows, etc.)

Sometimes the "skybox" texture doesn't get loaded into your video memory for some reason. The result is that all reflections are of that familiar purple and black checkerbox texture that shows up wherever textures are missing. The purple you see is that purple and black checkerboard in the reflection showing up instead of the normal "skybox" texture. Next time this happens, walk to a window up close and you'll notice that it isn't purple, but rather the purple checkerboard that I describe.

It is one of many bugs in source.
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Old 10-09-05, 06:31 PM   #5
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Default Re: Graphics Problems on CS:S

Sometimes this happens after alt-tabbing from the game.
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Old 10-09-05, 08:41 PM   #6
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Default Re: Graphics Problems on CS:S

now i understand it alpha thanks, and i do alt-tab sometimes. ill post a ss in like just a minute.
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Old 10-09-05, 08:48 PM   #7
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Default Re: Graphics Problems on CS:S

hm im playing right now and its ont donig it, funny...

OT: Does anyone know if overclocking on PNY's void the warranty? I dont think it does, does it?




EDIT: It actually did do it after I turned the game on again.

~click image to enlarge~
Thats the only place on dust that does it. I'll get a close up shot if someone wants me to later on
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Old 10-09-05, 09:09 PM   #8
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Default Re: Graphics Problems on CS:S

Looks like your OC is too high and yes PNY does not cover if your card is OCd, it's void.
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Old 10-09-05, 09:11 PM   #9
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Default Re: Graphics Problems on CS:S

nah i haven't overclocked it myself yet...
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Old 10-09-05, 09:19 PM   #10
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Default Re: Graphics Problems on CS:S

Quote:
Originally Posted by |MaguS|
Looks like your OC is too high and yes PNY does not cover if your card is OCd, it's void.
No it isn't due to an overclock, nor any kind of hardware issue. As I plainly stated earlier, it is a bug in source. Even notice the checkerboard pattern in the short wall just by chat text. It is even less noticable on there because the reflectivity is lower than that of the floor in the hallway.

It is that exact same checkerboard pattern that is commonly seen when textures in maps are missing. As a self proclaimed software developer you should easily notice that.
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Old 10-09-05, 09:34 PM   #11
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Default Re: Graphics Problems on CS:S

Considering that the textures that would go there are loaded in the map right next to the error, its not missing textures. Its due to corruption due to a memory issue, most likly heat. Plus it wouldn't be a blending or such radically different sizes in such an area since those textures are all the same size.

Heres an example of missing textures, see how its all a flat display not broken up... if anything it could be a shader issue.
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Old 10-09-05, 10:47 PM   #12
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Default Re: Graphics Problems on CS:S

Quote:
Originally Posted by |MaguS|
Considering that the textures that would go there are loaded in the map right next to the error, its not missing textures. Its due to corruption due to a memory issue, most likly heat. Plus it wouldn't be a blending or such radically different sizes in such an area since those textures are all the same size.

Heres an example of missing textures, see how its all a flat display not broken up... if anything it could be a shader issue.
Depends on the resolution. The resolution of the placeholder in your image is very high, thus the "checkers" are small. The resolution of the reflective textures on the other hand is very low, thus the "checkers" are much bigger.

Observe:



Notice the obvious purple checkerboard pattern where the "skybox" texture should be.

Also, check out the debug messages when this occurs:

Code:
execing game.cfg
Spawn Server cs_compound
Begin loading faces (loads materials)
End loading faces (loads materials)
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
default error texture maps/cs_compound/cubemapdefault
Believe me, this is a source bug.
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