Stereoscopic 3D Modes (vr_mode)

Christopher Bruns edited this page Apr 30, 2016 · 5 revisions

GZ3Doom provides several different stereoscopic 3D modes, so you can play Doom in 3D using various 3D glasses, 3D monitors, 3D TV, and virtual reality headsets.

Stereoscopic Modes in GZ3Doom:

  1. vr_mode 0 (Mono)
  2. vr_mode 1 (Green-Magenta Anaglyph)
  3. vr_mode 2 (Red-Cyan Anaglyph)
  4. vr_mode 3 (Side-by-Side)
  5. vr_mode 4 (Side-by-Side Narrow)
  6. vr_mode 5 (Left Eye View)
  7. vr_mode 6 (Right Eye View)
  8. vr_mode 7 (Quad-buffered)
  9. vr_mode 8 (Oculus Rift)

How to set the vr_mode

There are two ways to change the stereo 3D mode in GZ3Doom. Both use the "vr_mode" command:

  1. Type "vr_mode <mode_number>" at the in-game GZ3Doom console. OR
  2. Launch gz3doom from the command line, including "+vr_mode <mode_number>" in the list of command-line arguments.

For example, type

vr_mode 8

to enter Oculus Rift mode.

For more information about GZ3Doom console commands, visit Console-Variables

List of Stereoscopic Modes in GZ3Doom

vr_mode 0


Setting vr_mode to zero (0) disables stereoscopic 3D. In this mode, gameplay is the same as regular flatty gzdoom.

normal doom head screenshot of normal mode

vr_mode 1

Green-Magenta Anaglyph

vr_mode 1 utilizes colored anaglyph glasses, with a green lens on the left, and a magenta lens on the right. This modern take on the anaglyph 3D technique has a better brightness balance between the two eyes, compared to the more traditional red/cyan color scheme (vr_mode 2).

doom head wearing green-magenta anaglyph glasses screenshot of green-magenta anaglyph mode

vr_mode 2

Red-Cyan Anaglyph

vr_mode 2 utilizes colored anaglyph glasses, with a red lens on the left, and a cyan lens on the right. Just as I have been doing since the late 1900s, if you send me a nice email, I will mail you a pair of paper glasses.

doom head wearing red-cyan anaglyph glasses screenshot of red-cyan anaglyph mode

vr_mode 3


Combine "vr_mode 3" with "vr_swap 1" to permit cross-eyed stereoscopic viewing.

vr_mode 3 is also recommend for use with Trinus Gyre.

doom head with eyes crossed google cardboard screenshot of side-by-side mode

vr_mode 4

Side-by-Side Narrow

This mode is how I play GZ3Doom on my 3D TV. Select side-by-side mode on your TV.

doom head wearing samsung 3d tv glasses screenshot of side-by-side narrow mode

Example of what your 3D TV mode menu might look like. (Choose the side-by-side one...):

TV mode menu

vr_mode 5

Left-Eye View
doom head wearing eyepatch over right eye screenshot of left-eye view mode

vr_mode 6

Right-Eye View
doom head wearing eyepatch over left eye screenshot of right-eye view mode

vr_mode 7


For vr_mode 7 to work with nvidia 3D vision glasses, you need:

  • NVIDIA 3D Vision system installed and working
  • Supported 3D monitor, set to 120 Hz refresh rate
  • GZ3Doom displayed on that monitor in true fullscreen mode (Options->Set Video Mode->Fullscreen->Yes)
  • In GZ3Doom 1.8.10e or later, "vr_enabled_quadbuffer = true" in the console, then restart GZ3Doom
  • vr_mode 7 activated

doom head wearing nvidia 3d vision glasses nvidia 3d vision kit screenshot of quad-buffered mode

vr_mode 8

Oculus Rift

Works with Oculus Rift DK1 and DK2. See How-to-run-GZ3Doom-on-Oculus-Rift-Development-Kit-2-(DK2) for more details.

doom head wearing oculus rift dk2 screenshot of oculus rift mode

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