The year 2021 was a transformative era for PC gaming graphics, largely due to the widespread adoption of the ReShade Ray Traced Global Illumination (RTGI) shader. Developed by Pascal Gilcher (also known as Marty McFly), the represented a pinnacle of post-processing technology, allowing gamers to inject sophisticated lighting effects into almost any title—even those released long before the hardware ray tracing era. What is the RTGI Shader?
Scenes come alive with more natural lighting effects, including better reflections, ambient occlusion, and diffuse lighting. reshade ray tracing shader rtgi 033 2021
Improved algorithms to reduce the "noise" often associated with ray tracing, leading to a cleaner image. The year 2021 was a transformative era for
Set this to 3 or 4 for gameplay. Only use 7 or higher for paused screenshots. Scenes come alive with more natural lighting effects,
The 0.33 update solidified Pascal Gilcher’s RTGI as an essential tool for the PC gaming modding community. It breathed new life into classic titles like Skyrim , Fallout 4 , and The Witcher 3 long before official next-gen ray-tracing patches were ever announced. It proved that clever software engineering could replicate advanced hardware features, democratizing high-fidelity lighting for gamers everywhere. If you want to customize your setup further, tell me: What are you trying to mod with RTGI 0.33? What graphics card are you currently running?
To use RTGI 0.3.3 in 2021, users generally subscribed to Marty McFly's Patreon to access the beta files. Basic Workflow