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PP Effects - Film Grain - Black Pixels when sharpness = 0.0 (only on AMD GPU's?)
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Description

It seems that, under certain circumstances, a user can see Black Pixels while having a Filmgrain PP Effect active.

It appears that these black pixels only appear when sharpness is set to 0. Switching it to 0.001 resolved the issue.

I tried to reproduce the issue on my Nvidea GPU System - i also adapted all of my Video Settings to match his(besides resolution) but was not able to reproduce, but we have been able to reproduce the issue on my mates s system - see Steps to Reproduce.

We're unsure what might be the cause, but we noticed that he has an AMD GPU while i have an Nvidea one. According to his experience in the past with drivers, it very well might be related to that.

Details

Severity
None
Resolution
Open
Reproducibility
N/A
Operating System
Windows 10 x64
Category
Other
Steps To Reproduce
  1. Have AMD GPU
  1. Load for ease of use: https://steamcommunity.com/sharedfiles/filedetails/?id=350606620

Enable Filmgrain with the following settings.

	intensity =   0.10;			// 0..1
	sharpness =   0.00;			// 1..20
	grainSize =   1.0;			// 1..8
	intensityX0 = 0.1;			// -x..0..+x
	intensityX1 = 0.0;			// -x..0..+x
	monochromatic = 0;			// 0,1 # 0 Monochromatic # Any other value Color
  1. Observe:

  1. Adjust sharpness to 0.001 resolved the issue.
Additional Information

Video of the Issue:
https://www.youtube.com/watch?v=lcIBBFFcuto
Black Pixels start at 1:07

related biki pages:
https://community.bistudio.com/wiki/Post_Process_Effects#FilmGrain

His GPU and drivers.
AMD Radeon RX7600
Driver Version: 24.2.1 & 24.4.1 - the issue remains on the most current stable release

Event Timeline

mrzorn created this task.Apr 28 2024, 3:21 PM
mrzorn edited Steps To Reproduce. (Show Details)
mrzorn edited Steps To Reproduce. (Show Details)Apr 28 2024, 3:40 PM
mrzorn edited Additional Information. (Show Details)
mrzorn edited Additional Information. (Show Details)Apr 28 2024, 4:13 PM
mrzorn edited Additional Information. (Show Details)Apr 28 2024, 4:22 PM
mrzorn updated the task description. (Show Details)Apr 28 2024, 5:45 PM

I've been trying to find a 2. person with an AMD GPU to confirm it but they are hard to find lol

This comment was removed by LouMontana.