Performance Tweaks

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Valid for all Releases

  • Run Doom3 in fullscreen
  • Turn the video resolution down
  • Turn down anisotropic filtering (in DoomConfig.cfg), because it defaults to 8
  • Turn off "High SFX" in the graphic settings

Releases after Thief's Den

  • set the "Ambient Rendering" to "Fast"
  • rename /darkmod/glprogs/interaction.vfp (e.g., interaction.bak.vfp) so that it is not used; ambient lighting will not look as good, but you may gain a few frames per second
  • enable image downsizing: at the console, set "image_downSize" to "1" and then set a limit with image_downSizeLimit, e.g., "image_downSizeLimit" "128". This reduces texture memory requirements and may completely alleviate hard drive thrashing. There are similar cvars for bump and specular maps as well.