Yesterday, the developers of the RPCS3 emulator announced that their brainchild has received full support for AMD FidelityFX Super Resolution (FSR) image reconstruction technology. If you have emulator version v0.0.17-12624-5816505e Alpha and higher, you can easily enable the technology in the menu and select the upscaling scale you need.
In order to enable FidelityFX Super Resolution (FSR) technology in RPCS3, you just need to go to the GPU configuration, activate the Upscaling parameter and adjust the FSR scale with the slider:
The developers of RPCS3 on their Twitter account said that their software was the first emulator to receive support for the new AMD technology.
You can download the latest version of the emulator on the official website of the developers.