Ray-Traced Global Illumination simulates how light bounces naturally between surfaces. Unlike screen-space ambient occlusion (SSAO) or baked lightmaps, RTGI calculates indirect lighting in real time, creating more realistic shadows, color bleeding, and ambient occlusion.

RTGI 01702 enables game creators to design hyper-realistic worlds where lighting shifts dynamically with time of day, weather, or player interactions. Examples include:

: Improvements in how lighting persists across frames, reducing "flicker" or noise during movement.

The version refers to a specific release of the Ray Traced Global Illumination shader for ReShade, created by developer Pascal Gilcher (also known as Marty McFly). This shader allows you to add advanced ray-traced lighting, shadows, and reflections to almost any game that supports ReShade, even on older non-RTX graphics cards. 1. Getting the Shader

The steady hum of the neighborhood settling in for the night, safe and predictable. Stopping at the Downtown Creamery

Disclaimer: RTGI is a paid modification developed by Pascal Gilcher, available through his Patreon. Make sure to download only from official sources to avoid malicious files.

Assessed with a calibrated mercury sphygmomanometer after 15 minutes of rest in a sitting position, with feet touching the floor. Two determinations were made with a 15-minute interval.

A community-shared configuration designed for a specific game's aesthetics.

If you are developing a "deep feature" for a graphics engine or shader setup (like ReShade) under this topic, a highly impactful addition would be Adaptive Temporal Reservoir Resampling (ATRR)

: This version refined the way the shader interacts with ReShade's depth buffer, ensuring that lighting effects align correctly with objects in the game world rather than appearing "offset".

[ Light Source ] │ ▼ [ Red Wall ] ──────( bounced ray with red tint )──────► [ White Floor ] (Color Bleeding) Decoding the "01702" Designation

Eliminates visual clipping by matching screen depth data to world meshes. Troubleshooting Common RTGI Faults Fix Visual "Ghosting" Artifacts

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Among the early, crucial versions of this software, (released in late 2020) stands out as a foundational release that brought cinematic lighting to thousands of games without requiring proprietary Nvidia RTX hardware. What is RTGI (ReShade Ray Traced Global Illumination)?

: It ensured that the feature set from the 0.17 update remained stable across a wider variety of GPU architectures, making it a "safe" version for users who had previously reverted to older builds like 0.16. Functionality

If the shader looks like a flat gray overlay, you must go to the tab in ReShade and select the correct depth buffer. Preprocessors: You may need to flip the RESHADE_DEPTH_INPUT_IS_REVERSED setting from 0 to 1 depending on the game engine. Launchpad: