Strange Glass on CS2 (with Intel Arc)

[Steve-Tech]

Your system information

• System information from steam (Steam -> Help -> System Information) in a gist: https://gist.github.com/Steve-Tech/20484149c2ecbc2d398209c857ac0740
• Have you checked for system updates?: [Yes/No] Yes
• Using Wayland

Please describe your issue in as much detail as possible:

The glass flickers when moving and just generally look staticy almost when there's something somewhat dark behind them.

Nuke (Dark rooms):

Office (Look at the turned off lights and sides of the windows):

Steps for reproducing this issue:

1. Open CS2
2. Play a map with glass (eg. Nuke)
3. Look at the glass

[LautiLosio]

I'm getting a similar effect on AMD Mesa drivers and It's not just glass.

I don't know if this is useful but it seems that changing FSR (internal resolution) has an effect on this visual bug. Probably shader related.

FSR performance
https://steamcommunity.com/id/lauti_losio/screenshot/2110556343775486134/

FSR balanced
https://steamcommunity.com/id/lauti_losio/screenshot/2110556343775485908/

FSR disabled
https://steamcommunity.com/id/lauti_losio/screenshot/2110556343775485484/

Most obvious example:
https://steamcommunity.com/id/lauti_losio/screenshot/2110556343775536637/

[Steve-Tech]

Hmm, I don't have those lines, but the flickering/noise is quite noticeable on dust, you can see it on the sky box and some shadows.

[kkartaltepe]

This also affects the god-rays in the tunnel on italy.

[kkartaltepe]

This also is maybe related to the regression in mesa, older versions of mesa like 23.1.0 have a significantly subtler speckling issues. Its still there so i suspect a bug in shader that was made worse with later changes to the driver.

[Steve-Tech]

Just played again today, and it seems to be fixed!

Running Mesa 24.0.8-1 on Debian testing, if it helps.