Reshade Ray Tracing Shader Rtgi 033 2021 [2021] Jun 2026

Users dubbed RTGI 0.33 the "Marty McFly" shader because it made old games look like they had traveled to the future. For example, Fallout: New Vegas (2010) suddenly had ambient occlusion and light bounce that rivaled Metro Exodus .

The shader is currently developed via Pascal Gilcher’s Patreon. Later versions (v0.38, v0.40+) have introduced and better denoisers. reshade ray tracing shader rtgi 033 2021