Input lag tests: TL,DR; Don't use borderless windowed mode, don't use vsync, and DEFINITELY don't use triple buffering, if you want to avoid input lag : pcmasterrace
Destiny 2 PC performance thread | ResetEra
Is there a difference between running games in Windowed or Fullscreen mode? - Arqade
Destiny 2 PC problems & fixes | Rock Paper Shotgun
Windows 10 not playing games fullscreen [Fixed]
Destiny 2 (G-Sync Window Mode) - YouTube
Destiny 2 - Fix for Fullscreen not Working (2020 Tips)
Borderless Window in Dyson Sphere Program - Gamer Journalist