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 Post subject: SSAO Vertical Black Bars
PostPosted: 23 Feb 2013, 06:34 
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Joined: 27 Nov 2012, 00:21
Posts: 43
Hi everyone, I'm having a very strange problem with ENB binary v0.149 and v0.152. With SSAO turned on, I get five faint vertical black bars on my screen that shadow all objects, both near and far, except for those in the sky. Turning SSAO off gets rid of the black bars. SSIL and SkyLighting do not seem to affect them. Increasing AOIntensity causes the bars to get darker, and I've done this to make the problem more visible. Each of the bars are numbered and outlined in red:

Image
Image

These bars are most visible when moving the camera/character left and right. They also behave in a strange manner. If I face the wall in these screenshots directly, the bars will disappear entirely. If I rotate the camera about 15-20 degrees to either side, the bars will fade in again and the three middle bars will shift to the left or the right. Notice the changed positions of the three middle bars in my second screenshot; also, the first bar is entirely gone.

Aside from their quirky antics, does anyone know why these SSAO-induced shadow bars are appearing? The last ENB binary I used before v0.142 is v0.119, where I didn't have this problem. My current SSAO settings for v0.152 are the following:

Code:
[SSAO_SSIL]
UseIndirectLighting=true
UseComplexIndirectLighting=false
SamplingQuality=0
SamplingPrecision=2
SamplingRange=0.15//0.25
FadeFogRangeDay=0.2//2.0
FadeFogRangeNight=0.2//2.0
FadeFogRangeInteriorDay=2.0
FadeFogRangeInteriorNight=2.0
SizeScale=0.5
SourceTexturesScale=0.5
FilterQuality=0
FilterType=0//4     //0-4
AOAmount=1.5//1.2
AOAmountInterior=1.5//0.4
ILAmount=2.0//2.0
ILAmountInterior=2.0
AOMixingType=0
AOMixingTypeInterior=0
AOIntensity=1.5//1.0//1.5
AOIntensityInterior=1.5//1.0
AOType=1

I'd like to mention that I'm using JawZ' DNI enbeffect.fx, but comparing it to the original enbeffect.fx from the ENB v0.152 archive didn't yield any coding discrepancies (except for additional controls/parameters, of course). Thank you for your time.

Edit: I've been running Skyrim in windowed mode this entire time in order to edit the enbseries.ini and enbeffect.fx files quicker. Changing back to fullscreen mode makes the black bars very slim, but they're still quite noticeable on vanilla shadows. Again, turning SSAO off gets rid of the black bars. I'd like to mention that I get a lot of SSAO flickering as well when moving the camera/character.


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Tomoko
PostPosted: 23 Feb 2013, 13:50 
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*blah-blah-blah maniac*
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Joined: 27 Dec 2011, 08:53
Posts: 14816
Location: Russia
This is the issue of mipmap levels sampling, very stupid floating bug, thanks to driver developers who decided to make controls like negative lod, texture quality, etc etc etc. Got to nvidia control panel or catalyst control center and make changes to application controlled for the most things, nothing forced and no artifitial optimizers. I have a screenshots in documents on the site about that (but for old drivers).

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