Quasar
Moderator

Posts: 5152
Registered: 08-00 |
Basically here's the situation for all the resolutions EE can support:
320x200 / 640x400: if you choose these, no kind of correction is performed because it's assumed that if you run in these resolutions, you're probably doing so because your hardware supports them properly (as mine does, somewhat at least). If you play them windowed, they'll look scrunched, but very few modern machines can get by with windows this small anyway. On 1680x1050, 320x200 is like a desktop icon.
4:3 resolutions: Nothing special is done here either since our normal scaling code automatically makes the game look correct, given the nature of DOOM's graphic resources. 4:3 is how DOOM is supposed to look.
16:9 / 16:10: An adjustment to the vertical focal length takes care of the apparent squishing (actually horizontal stretching), and an increase to the FOV takes advantage of the additional available horizontal screen space over the closest smaller 4:3 resolution.
EE now allows any arbitrary video mode between 320x200 and 2560x1600. You can set video modes in the menu by entering a "geom" string, of the same syntax as that used by EE and PrBoom's -geom command-line parameters, i.e.:
640x480f
960x720w
1024x768f
1280x800w
1920x1080f
w/f mean windowed or fullscreen respectively. There are some other power-user flags that can be specified at the end, but they are not generally of concern to the average user.
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