The shader is a highly popular mod used with ReShade 0;7a; to inject realistic, dynamic bounce lighting and depth-based shadows into almost any PC video game.
The search term refers to a specific legacy version of the Ray Traced Global Illumination (RTGI) shader, a popular graphics modification tool for PC gaming . Created by renowned developer Pascal Gilcher (also known as Marty McFly), RTGI is designed to inject advanced lighting effects into almost any 3D game via the ReShade post-processing platform. What is RTGI 0.17.0.2?
Note: Always respect the intellectual property of shader developers. If a tool is behind a Patreon for early access, consider supporting the creator to ensure the continued development of these amazing tools.
Press the Home key ingame to open the ReShade overlay and enable RTGI. Optimizing RTGI for Stable Frame Rates rtgi 01702 download free
If you choose to use free, open-source alternatives, setup is quick and safe.
RTGI is demanding on hardware. To keep your gameplay smooth, adjust the following settings in the ReShade menu: Lower this value to reduce GPU load.
Disclaimer: This post is for informational purposes only. The author is not affiliated with Renaissance Tech Group, Inc., and the pricing/availability information reflects the state of affairs as of April 2026. The shader is a highly popular mod used
Lower the "Ray Amount" or "Steps" slider in the RTGI configuration panel at the bottom of your ReShade menu. Reducing these values optimizes performance heavily while retaining most of the visual upgrade.
Community-made ray-shading configurations available across open source platforms like GitHub . Step-by-Step: Setting Up an RTGI Shader
If you have acquired the RTGI 01702 shader files safely, follow these steps to install it: What is RTGI 0
Copy the contents of the RTGI Textures folder into reshade-shaders\Textures . Step 3: Configure In-Game Settings
Many modern PC games now include native ray tracing. Check your game's graphics menu for: NVIDIA RTX Global Illumination (RTXGI) AMD FidelityFX Lumen options Native Unreal Engine 5 Lumen support 3. Free ReShade Shaders
