OptiScaler is probably one of the most interesting open source tools around, allowing you to upgrade and mix various tech ...
TL;DR: The OptiScaler utility allows gamers to swap upscaling technologies in PC games, and it now supports AMD's FSR 4. This means that for games with existing support for DLSS, XeSS or an earlier ...
AMD’s FidelityFX Super Resolution 4 (FSR 4) has been confined to a select group of titles launched alongside the Radeon RX 9000-series GPUs, limiting its adoption among the broader gaming community.