Last month, data-analytics-id=”inline-link” href=”https://www.tomshardware.com/pc-components/gpus/amd-accidentally-marks-fsr-4-open-source-source-code-reveals-potential-support-for-older-radeon-gpus” target=”_blank” data-before-rewrite-localise=”https://www.tomshardware.com/pc-components/gpus/amd-accidentally-marks-fsr-4-open-source-source-code-reveals-potential-support-for-older-radeon-gpus”>AMD accidentally made FSR 4 open-source by publishing the entire source code on GitHub, as part of its FidelitySDK. That pushed modders to quickly reverse-engineer how to run FSR 4 on previously incompatible hardware, but the hacks were limited to Linux. That changed just last week when data-analytics-id=”inline-link” href=”https://www.reddit.com/r/radeon/comments/1nhkkr8/fsr_sdk_leak_contained_fsr_4_files_that_work_on/” target=”_blank” data-url=”https://www.reddit.com/r/radeon/comments/1nhkkr8/fsr_sdk_leak_contained_fsr_4_files_that_work_on/” referrerpolicy=”no-referrer-when-downgrade” data-hl-processed=”none”>u/AthleteDependent926 on Reddit figured out how to make it work on Windows — data-analytics-id=”inline-link” href=”https://www.tomshardware.com/pc-components/gpus/latest-fsr-4-source-code-leak-lets-you-run-amds-ai-upscaling-tech-on-nearly-any-gpu-no-linux-required” target=”_blank” data-before-rewrite-localise=”https://www.tomshardware.com/pc-components/gpus/latest-fsr-4-source-code-leak-lets-you-run-amds-ai-upscaling-tech-on-nearly-any-gpu-no-linux-required”>we saw a 12-20% decrease in potential performance with it, and today new findings on older RDNA GPUs corroborate our…
