DOOM II: RAY TRACED Mod Brings Path Tracing to id Software’s 1994 Classic

DOOM II: RAY TRACED, a new mod based on GZDoom that introduces real-time path tracing to DOOM II: Hell on Earth, bringing shadows, reflections, and global illumination to id Software’s classic 1994 sequel, is now available for download on moddb.com, creator shirokii has announced. The new mod, which allows users to switch between classic and ray-traced graphics in real-time, includes support for DLSS and RTX Remix, an open-source platform that maker NVIDIA says allows modders to create stunning RTX remasters of classic games.

How to install, including additional options:

• Installation
  • “Install DOOM+DOOM II on Steam (so gzdoom can access data of the original game).”
  • “Download and unpack the contents of gzdoom-rt-1.0.2.zip into an empty folder.”
  • “Launch gzdoom.exe.”
• DLSS (optional)
  • “Download and unpack rtgl-1.6.3.zip into your Doom II: Ray Traced folder.”
    • “(It’s a custom version of the RTGL renderer to support DLSS).”
  • “Launch gzdoom.exe, enable DLSS in graphics options.”
• RTX Remix (experimental)
  • “Download and unpack rtgl-1.6.3.zip into your Doom II: Ray Traced folder.”
  • “(RTGL renderer contains a wrapper over RTX Remix Runtime, and already includes all required files for RTX Remix).”
  • “Launch gzdoom-REMIX.bat.”
  • “Upon the very first run of RTX Remix, you will need to wait for shader compilation (it happens only once, when entering any game map, usually ~20 seconds).”
  • “Note: before running RTX Remix version gzdoom-remix.exe, please, run a default gzdoom.exe at least once.”

A look at DOOM II with path tracing:

shirokii on the new mod:

Realtime path tracing allows shadows, reflections and global illumination without any prebaking. Everything has a shadow. Emissive maps contribute to lighting. Volumetric lighting is traced to simulate a dense atmosphere. You can switch between classic and ray traced renderers in realtime. By default bound to ‘C’. Console variable is ‘rt_classic’, set to 0.5 to render half of the screen in classic, half of it in ray traced.

Source

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