AMD's latest upscaling technology won't just be exclusive to RDNA 4 GPUs as we know, and the latest update includes Linux as well.
Valve Proton Experimental Reportedly Brings FSR 4 Support to AMD RDNA 3 GPUs
AMD isn't just working on bringing its latest FSR 4 branch to older GPUs, but is also working on enabling it on the Linux operating system on a previous-generation GPU family. According to the latest report, Valve's Proton Experimental branch now includes support that enables FSR 4 to run on the RDNA 3 (Radeon RX 7000 series) GPUs through an unofficial implementation.
The feature has arrived through updates to VKD3D-Proton, the DirectX 12-to-Vulkan translation layer used by Proton and SteamOS. As spotted by @SadlyItsBradley, the recent VKD3D-Proton changes indicate that support for FSR 4 has been added to the translation layer. The DLL file "amdxcffx64.dll" has been added to Valve's Proton Experimental files, enabling the latest AI upscaling technology to run on Linux on RX 7000 series GPUs, including systems such as Steam Machine to upgrade from FSR 3 to FSR 4.
This comes right after AMD announced official FSR 4.1 support on RX 7000/RX 6000 series. The support comes next month on the RDNA 3 GPUs, more than a year after FSR 4 debuted alongside the RX 9000 series GPUs. The RX 7000 series will utilize the INT8 FSR 4 version, unlike the model used on the RX 9000 series. AMD confirmed recently that despite using a different FSR 4.1 model on the RDNA 3 GPUs, the final result will be on par with the FSR 4.1 model on the RX 9000 series.
For Linux gamers using the Radeon RX 7000 series graphics cards, Proton Experimental could provide an early preview of FSR 4 functionality ahead of AMD's official rollout. However, the feature remains experimental, so users should expect varying levels of compatibility and performance depending on the game.
News Source: Videocardz
About the author: Sarfraz Khan is a hardware reporter with a focus on PC components and the builder community. With years of experience writing about PC hardware and laptops, his work has been featured on several reputable technology publications. Sarfraz's hands-on experience is demonstrated through his first-person accounts of using and comparing different hardware configurations, providing practical and relatable insights for everyday users. His technical analysis is respected by peers in the enthusiast community and has been cited by specialized hardware sites such as Germany's Igor's Lab.
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