In the world of PC gaming, "Ray Tracing" has become the golden standard for realistic lighting. However, not everyone owns an NVIDIA RTX or AMD Radeon RX 7000 series GPU. For years, the modding community has relied on a brilliant piece of software: . And within that ecosystem, one shader stands above the rest— Pascal Gilcher’s RTGI (Ray Traced Global Illumination) .
The shader, specifically version 0.33 , is a high-end post-processing effect created by Pascal Gilcher (also known as Marty McFly) that simulates realistic lighting and reflections in real-time. While the core ReShade software is free and open-source, official versions of the RTGI shader, including 0.33, are generally not free and are primarily available to Pascal Gilcher's Patreon supporters. Access and Availability ReShade 5.3 and RTGI 0.33 Update | August 2022 reshade ray tracing shader rtgi 033 free
Absolutely. While Marty McFly has moved on to paid "True Illumination" shaders costing $5/month, remains the best entry-point into realistic lighting for budget PC gamers and modders. In the world of PC gaming, "Ray Tracing"
: Officially, the iMMERSE Pro: RTGI suite is a Patreon-only collection. Users typically gain access by subscribing to Pascal Gilcher's Patreon and joining the dedicated Discord server for updates. And within that ecosystem, one shader stands above