Open the Shaders directory in the RTGI folder and copy qquint_rtgi.fx .
There is a long-term plan for RTGI to become free and open-source software (FOSS). Many community members have noted that Pascal has stated the final version of RTGI will be made available as FOSS, as is the case with his other shaders. However, until that goal is reached, the latest and greatest versions remain behind the donation wall.
For a hassle-free setup, look for mods on sites like Nexus Mods that advertise using "free DAMP RTGI" – these presets will automatically configure everything for you. reshade ray tracing shader rtgi 033 free
Light color from one object affects surrounding objects.
The game must allow ReShade to read depth data. Open the Shaders directory in the RTGI folder
| Feature | RTGI 0.33 (Free Legacy) | Martymod (Patreon) | | :--- | :--- | :--- | | | Free (Open Source legacy) | $5+ / month or one-time fee | | Performance | Excellent (Low overhead) | Heavy (More accurate rays) | | Accuracy | Screen-space only | Temporal accumulation (Less noise) | | Compatibility | Works on almost any GPU (GTX 900 series+) | Requires DX11/12 & modern GPU | | Updates | No longer updated (Final 2021 build) | Active (V 1.5+ as of 2025) | | Features | Basic GI, Ambient Occlusion | Denoisers, Sky lighting, Shadows |
Support the developer for $5–$10 and get the real, safe, updated RTGI (now called "RTGI ReGrade" or similar). It's cheap and malware-free. However, until that goal is reached, the latest
Open the ReShade menu (usually Home key), find RTGI in the list, and check the box to activate it.
