I only have 4 options : Bilinear,Bicubic,Point and Fidelity FX Super Resolution 1.0.
None of these are useful to me, but im somehow forced to use one (fidelity fx super resolution) buy default. Im not upscaling/downscaling anything,using 100% renderscale on 1920:1080 monitor.
Read the tooltip, it says ‘When using a Render Scale that is not 100%’, so as you are using 100% render scale it doesn’t matter what the setting is as nothing is processed.