https://store.steampowered.com/app/993090/
Lossless Scaling Tutorial: Upscaling & Frame Generation - https://www.youtube.com/watch?v=xTgGAzip9X0
https://store.steampowered.com/app/993090/
Lossless Scaling Tutorial: Upscaling & Frame Generation - https://www.youtube.com/watch?v=xTgGAzip9X0
Better off using Gamescope and MPV + shaders for game and video scaling/enhancements respectively on GNU/Linux. Both free and both do scaling earlier on in the pipeline rather than after the fact.
If you game on Windows though, it is one of the better solutions