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View Full Version : 7800gtx sli, 78.03 : HL2 = purple shadows?


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acrh2
09-25-05, 02:13 AM
I think it's a glitch of some kind. Here's an example:
http://img396.imageshack.us/img396/764/d2prison0300032ea.th.jpg (http://img396.imageshack.us/my.php?image=d2prison0300032ea.jpg)

Any ideas how to fix it?

jAkUp
09-25-05, 02:15 AM
I think thats normal... its called "wannabe softshadows"

:D

AthlonXP1800
09-25-05, 02:24 AM
Here are no purple shadowing in the pic! Just black shadowing. Maybe you need to go to see your optician for eye test and ask them about green and purple flashes in your eyes and they will sort it out. :D

Ruined
09-25-05, 02:29 AM
I think it's a glitch of some kind. Here's an example:
http://img396.imageshack.us/img396/764/d2prison0300032ea.th.jpg (http://img396.imageshack.us/my.php?image=d2prison0300032ea.jpg)

Any ideas how to fix it?

Ditch your Dell LCD monitor for another Mitsu CRT :p

acrh2
09-25-05, 03:39 AM
These shadows are purple on both CRT and LCD.
As opposed to black shadows in other parts of the game, for example, where you get the buggy for the first time.

PURPLE. Got it?

Maybe it is normal... Would be nice if someone else confirmed it (thanks jAkUp).

mbee
09-25-05, 04:00 PM
Man, you really should go for an optical eye test: There is NO purple in the pic you uploaded. And the shadows in HL2 always look this "smooth" or "blurry" way.
If the shadows in the pic look purple to you, perhaps the gamma of your lcd is set wrong or you totally messed up with some color-correction settings.

Roadhog
09-25-05, 04:59 PM
It sure as hell isnt black... Maybe you need your eyes checked... looks purpleish to me.

EDIT: it could be because the shadow isnt solid black, but slightly transparent, and the floor is a blueish. That would make it look Purple.

OWA
09-25-05, 05:34 PM
I was going to try to take a screenshot from my 2nd system that is using the X800 Pro just to confirm things but unfortunately, the last HL2 update now locks the game on the loading screen.

Edit: Okay, I got it to run on my other system by disabling my firewall. Not sure why I have to do that now but anyway, it's the same on the X800 Pro. I'll have a screenshot in a few minutes. I forgot to run fraps so I took it with the printscreen key. I was too slow so I missed what I was trying to capture.

Edit 2: ATI X800 Pro, Cat 5.8
http://img38.imageshack.us/img38/3296/hl220050925175430175pe.th.jpg (http://img38.imageshack.us/my.php?image=hl220050925175430175pe.jpg) http://img38.imageshack.us/img38/9020/hl220050925175436011uo.th.jpg (http://img38.imageshack.us/my.php?image=hl220050925175436011uo.jpg)

Gentle
09-25-05, 06:37 PM
OWA, you just need to "retrain" your firewall to allow access to the game.

After engine updates software firewalls will sense a change in the program code and not allow access, to protect you from potentially malicious malware and such.

Gentle

OWA
09-25-05, 06:39 PM
Ah, thanks Gentle. I'll give that a shot.

Peoples-Agent
09-25-05, 07:02 PM
The shadows are lighter and appear to purple in contrast with the light blue colour of the flooring..... get it?

acrh2
09-25-05, 11:22 PM
The shadows are lighter and appear to purple in contrast with the light blue colour of the flooring..... get it?

Some people are unreasonable. You show them a black object and they claim that it is white.
Ok smarty pants.
Look at OWA's screenshot:
http://img38.imageshack.us/img38/9020/hl220050925175436011uo.th.jpg (http://img38.imageshack.us/my.php?image=hl220050925175436011uo.jpg)

Do you see the color of the shadow of the big bug monster? Now compare it to that of the column, whose shadow is to the left and extends behind the monster. Its color is dark grey. The color of the monster's shadow is dark purple. It looks unnatural, and it's exactly what I was talking about. It only seems to appear that way on certain maps, and only on objects that aren't part of the map itself. Like boxes, radiators, weapons and ammo boxes laying around and so forth.

P.S. It's ironic how someone, who's partially color blind, makes it a point to recommend to someone else, whose vision is normal, to check his vision.

Raje
09-26-05, 12:39 AM
It's pretty odd. I get the same thing with 77.77. Purple shadows on some levels and "normal" shadows other times.

Same thing happen on ATI hardware? EDIT: missed that he said X800 Pro, my bad

AthlonXP1800
09-26-05, 12:45 AM
Yeah 2 screenshots OWA provided showed purple shadowing, that the best shots, acrh2 first screenshot does not showed it but was completed with blackish shadowing. I never seen purple shadowing on that map level, I will give a try to see if it does have purple shadowing in the same DM map. I guess it was caused by Steam screwed up updates, I remember in the past one time Valve screwed up Steam update caused flashed shadowings and then next day Valve fixed it with another new Steam update. :p

I will report back soon when I am on that DM map.

OWA
09-26-05, 12:48 AM
It's pretty odd. I get the same thing with 77.77. Purple shadows on some levels and "normal" shadows other times.

Same thing happen on ATI hardware?
Yes. My screenshots in this thread were from an ATI X800 Pro.

Like others have said, it looks like it is that way because the shadow isn't completely black so some of the blue'ish tint from the floor can be seen through it.

Raje
09-26-05, 12:50 AM
I think these have always been there like that and we just didn't notice them. GameSpot has these same purple shadows in their Half Life 2 reviews from 11/30/2004!

AthlonXP1800
09-26-05, 01:07 AM
I was on DM Lockdown map and yes I confirmed it showed purple shadowing but I found something interesting, purple shadowing only occur under bright white lighting, when objects was sit under yellow lights, it showed black shadowing and I dragged objects in yellow lighted area and moved it into bright white lights area, drop the object and it showed purple shadowing. I think somebody need to report the purple shadows under white lighting bug to Valve. :p

acrh2
09-26-05, 11:16 AM
Yes. My screenshots in this thread were from an ATI X800 Pro.

Like others have said, it looks like it is that way because the shadow isn't completely black so some of the blue'ish tint from the floor can be seen through it.

I don't believe that to be the case because the lightmap shadows (shadows from the map geometry) appear normal on the exact same floor/background. Also, the puprle color remains even on floors of other colors. Just check around the same map in different areas.
It's weird that these object shadows aren't all purple all the time. It's obvious that the dark grey lightmap shadows are fundumentally different from purple object shadows in the way they are generated. Perhaps, the lightmap shadows are of the same color, which was defined by the level designers, while the object shadow color is different depending on the ambient lighting.
As one of the color blind posters here reported, the color of the object shadows changes in the type of light. Yellow light = normal shadows, he said. I also remember that the object shadows were of normal dark grey color in an open map where you get the buggy for the first time.

P.S. My original screenshot is only a little darker than those posted by OWA.
Mine -
http://img396.imageshack.us/img396/764/d2prison0300032ea.th.jpg (http://img396.imageshack.us/my.php?image=d2prison0300032ea.jpg)
OWA's -
http://img38.imageshack.us/img38/9020/hl220050925175436011uo.th.jpg (http://img38.imageshack.us/my.php?image=hl220050925175436011uo.jpg)

If one puts them together, side by side, and still can't see dark purple bug shadows vs. dark grey lightmap shadows, well, then he really DOES NEED to check his vision.

OWA
09-26-05, 11:54 AM
I guess you could try reporting it to valve but considering a much more critical issue, stuttering, has been there since the release and still isn't fixed, I wouldn't hold my breath waiting for them to change it.

Peoples-Agent
09-26-05, 12:59 PM
I was wondering, how often do you get to play games if your busy looking at shadows?

If that's your bag, buy a torch and walk around the street in the evening, observe the shadows and write a book about it.

acrh2
09-26-05, 01:25 PM
I guess you could try reporting it to valve but considering a much more critical issue, stuttering, has been there since the release and still isn't fixed, I wouldn't hold my breath waiting for them to change it.

You get the stuttering? I've never experienced it on my own computer, though I have seen videos of stuttering in action and I know what it's like.
Perhaps it's a configuration problem. Valve doesn't seem to be able to reproduce the issue, and only a relatively small portion of users have the stuttering.

OWA
09-26-05, 01:45 PM
You get the stuttering? I've never experienced it on my own computer, though I have seen videos of stuttering in action and I know what it's like.
Perhaps it's a configuration problem. Valve doesn't seem to be able to reproduce the issue, and only a relatively small portion of users have the stuttering.
Actually, it seems like a lot of people get it if you go by their forums or check the HL2/Source forum here. With me, it has been fixed and broken a few times. It'll be working fine, they'll push another update and it'll get broken again. I think that has happend at least 3 times now and unfortunately, this last patch has introduced the stuttering once again. I guess I should be thankful that I can at least run the game though. Some people can't even play the game anymore after this last update.

Yeah, I think you're probably right. They probably have some sort of issue with certain configurations, so when they fix it for one configuration it ends up breaking it for another.

AthlonXP1800
09-26-05, 11:41 PM
I didnt get shuttering in HL2 and HL2DM but I did get memory bug caused HL2DM to crashed everytime I played after 1 hour or so, the latest Steam update thankfully fixed the very annoy bug. :)

subbo
09-27-05, 06:20 PM
I would want to clonk your heads together but I'll just show scientific proof to the purpleness of the shadows.

In OWAs screenshot the "black" shadow is tinted towards green and blue. And the purple shadow towards Blue. Photoshop gives the following values:

"Black" shadows: RED 25 / GREEN 34 / BLUE 31 = Turquoise (=green/cyan)
"Purple" shadows: RED 35 / GREEN 41 / BLUE 67 = dirty Blue with green tint

Now, a prefectly gray shadow would of course have the same value for each color (when in RGB colorspace) the higher the lighter.

To conclude, yes the shadows are purpleish to the eye, though the cyan and green floor / ambience pushes the color which is actually a dirty blue towards the purple part of the spectrum.

ViN86
09-28-05, 12:36 AM
I would want to clonk your heads together but I'll just show scientific proof to the purpleness of the shadows.

In OWAs screenshot the "black" shadow is tinted towards green and blue. And the purple shadow towards Blue. Photoshop gives the following values:

"Black" shadows: RED 25 / GREEN 34 / BLUE 31 = Turquoise (=green/cyan)
"Purple" shadows: RED 35 / GREEN 41 / BLUE 67 = dirty Blue with green tint

Now, a prefectly gray shadow would of course have the same value for each color (when in RGB colorspace) the higher the lighter.

To conclude, yes the shadows are purpleish to the eye, though the cyan and green floor / ambience pushes the color which is actually a dirty blue towards the purple part of the spectrum.
yea, thats what i was goin to say... :bleh: