Because every framework needs a ton of different companion tools
wiki.special-k.info
Download the Special K mod.
Once you've installed Special K. Launch it, select Special K from the game launcher menu and click Service. That will make it inject into the game. Take note as this does inject into games the same way Rivatuner and Reshade do, it will be flagged by anti-cheat software, so make the service is not running when playing multiplayer games.
An
alternative way to enable the mod is to go into its installation folder. copy the SpecialK64.dll, Rename the copy to
dxgi.dll and drop it into the same folder with the games .exe file. It will then run automatically when you launch the game.
After the game has launched hit CTRL+SHIFT+Backsapce (back+start on xbox controller)
Go to Window Management -> Input/Output Behavior and enable "Continue Rendering"
There are bunch of other things you can do like lower FPS when the game is in the background or even allow the game recognize input while the game window is not highlighted. So, you could be.
This mods works with most games and allows you to customize a lot how the game window behaves, enable HDR, Make OpenGL games run in DX11, enable Nvidia Reflex in games that don't have it. It also has the best Framerate limiter there is for both latency and frame pacing. Also has bunch of performance monitoring tools like RTSS does.