Passive Stereo

Two pipes for one screen

Walls screen0 screen1
WallDisplay screen0 :0.0
WallDisplay screen1 :1.0
WallEyes screen0 left
WallEyes screen1 right
ProjectionData screen0 * wall -5 0 -5  -5 10 -5  5 0 -5
ProjectionData screen1 * wall -5 0 -5  -5 10 -5  5 0 -5

Multiple channels for a CAVE

Walls front left right floor
WallDisplay front :0.0 2560x1024+0+0
Viewport front left 0 1279 0 1023
Viewport front right 1280 2559 0 1023
...