Practical tuning tips
The update, released by Pascal Gilcher (Marty McFly) in August 2022, serves as a significant technical bridge between standard screen-space effects and full ray tracing. Technical Summary Reshade Ray Tracing shader RTGI 0.33
Increase "Ray Step Size" to cover more ground with fewer calculations. Resolution Scale: Practical tuning tips The update, released by Pascal
: Higher values reduce "noise" but significantly impact FPS. Reshade’s RTGI 0
Reshade’s RTGI 0.33 shader represents a significant step forward in the modding community’s ongoing effort to bring more realistic lighting to games that lack native ray tracing. RTGI (Ray-Traced Global Illumination) is designed to approximate complex light transport — indirect lighting, color bleeding, soft interreflections, and subtle occlusion — by using screen-space techniques and clever temporal accumulation rather than full hardware ray tracing. Version 0.33 refines that approach, balancing visual fidelity, performance, and compatibility for a wide range of titles and systems.
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