The Linux Thread - The Autist's OS of Choice

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how do i do fsr 3 to fsr 4 on linux for pirated games?

Short answer: You don't. Longer answer: if you can find some type of game launcher client with umu to allow Proton to work with your games, you can in theory set launcher options. What such launcher exists? Fuck if I'd know.
 
My understanding of FSR is that it is integrated into the game's graphics pipeline itself.

e.g. Hell Divers 2 has FSR in Linux. It is just an option in the game settings.

Screenshot From 2026-06-04 10-01-24.png
 
My understanding of FSR is that it is integrated into the game's graphics pipeline itself.

e.g. Hell Divers 2 has FSR in Linux. It is just an option in the game settings.

View attachment 9098693

If I'm not mistaken, only like the latest of the latest games coming out in $current_year have FSR4 available in the options menu. Tons of other games are stuck at FSR1/FSR2 anyway, and many more before those don't have FSR at all. That's why there's an unending and frankly confusing number of FSR launcher args theoretically available to you on Steam.
 
If I'm not mistaken, only like the latest of the latest games coming out in $current_year have FSR4 available in the options menu. Tons of other games are stuck at FSR1/FSR2 anyway, and many more before those don't have FSR at all. That's why there's an unending and frankly confusing number of FSR launcher args theoretically available to you on Steam.
Well the developer has to add it to the GPU pipeline. So older games unless updated won't have the support. I've always just seen it as part of the graphics settings.
 
how do i do fsr 3 to fsr 4 on linux for pirated games?
Short answer: You don't.
Shorter answer: You do.

Longer answer: Go to the FSR repo and download the latest release. Inside /Samples/Upscalers/FidelityFX_FSR/dx12/x64/Release/ there will be dlls for fsr 4. Just drag and drop the loader, upscaler, and framegen dlls to the game. Some games combine these into a single file, if thats the case just rename the loader and override the file (usually amd_fidelityfx_dx12.dll) If this doesn't work for whatever reason or the game uses fsr 2 or older, just use optiscaler, this even allows you to replace DLSS with fsr4.
 
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