Say you are developing in 1920x1080 resolution. A player with laptop that has 1600x900 resolution attempts to play your game, it won't work.
I need real fullscreen and not windowed fullscreen because the performance difference can, and in my case, is huge.
Am I missing something here?
I'm trying to trigger my 1080p app with 4:3 monitor that supports max 1280x1024. I've tried playing around with aspect ratio settings etc. Can't get it to work, and suggestions?
EDIT: Solved, select "Resize display to fill window size" and then use shaders to keep the aspect ratio. Thanks to Crache!