CS GO & Intel® Iris® Plus Graphics 640 Dimming

So I used to play Counter Strike Global Offensive on my Mac Pro 5,1 and never had any issues. Recently I switched to Intel NUC (NUC7i5BNH) because MacPro was taking a lot of space on my desk and the gaming experience was more or less the same. I am just a noob when it comes to gaming. Mac Pro with Quad-Core Xeon and ATI Radeon RX580 was giving about 150fps but my screen was a 60hz display so none of that mattered. My NUC (with dual core i5 and Intel Iris Plus 640) is giving me a solid 75-85FPS which is fine.

So when i switched to this setup i noticed that maps were not clear as they were before, so i reinstalled video drivers, changed my display’s colors / brigthness etc. Nothing helped. so i tried changing some in-game video settings. But in vain.

Intel Iris Plus Dimming on Lake Map

So i came across this in the Steam Community forum

https://steamcommunity.com/app/730/discussions/0/1471967615861847420/

There seems to be an issue with the Intel HD Graphics 530, 630, 640 and others.

THE WORKAROUND

Find the "video.txt"
program files (x86) > steam > userdata > your number > 730 > local > cfg
Add the following to the bottom of the file "setting.mat_tonemapping_occlusion_use_stencil" "1"
}

Set the file to READ ONLY, so that Steam doesn’t overwrite it

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