Download the latest version of ReShade from the official website.
: It uses screen-space information (the depth buffer) to calculate how light should bounce off surfaces. Compatibility
Choose the correct rendering API (DirectX 11, DirectX 12, or Vulkan). Download the standard sweet of sweetFX or qquint shaders. Step 2: Add the RTGI Files Extract the RTGI shader files (the .fx and .fh files). Open your game directory folder. Navigate to the reshade-shaders/Shaders folder. Paste the RTGI shader files directly into this directory. Place the texture files in reshade-shaders/Textures . Step 3: Configure the Depth Buffer Launch your game and press Home to open ReShade.
If you have acquired the RTGI shader files and want to test them, proper installation is key to getting it to work. Shaders cannot simply be dragged and dropped anywhere; they require a precise setup. Step 1: Install ReShade with Depth Buffer Support reshade ray tracing shader rtgi 033 free
Officially, the RTGI shader is a hosted on Marty's Mods Patreon , typically requiring a subscription to the "Beta" or higher tiers.
The RTGI shader is a screen-space ray tracing modification created by graphic programmer Pascal Gilcher (also known as Marty McFly). Unlike native hardware ray tracing (like Nvidia RTX or AMD DXR), which calculates light bouncing off the entire 3D world geometry, screen-space ray tracing works with the data available on your screen.
RTGI 0.33 is a heavy shader. Activating it can drastically reduce your frames per second (FPS), potentially halving them. Download the latest version of ReShade from the
You do not need to risk your PC's security to experience enhanced lighting. Consider these safe alternatives: Support the Creator
was a significant update released around August 2022. Its primary feature was the addition of motion vectors
: Can reduce frame rates by 15% to 30% depending on your hardware. Download the standard sweet of sweetFX or qquint shaders
| Mode | Performance | Visual Quality | Best For | | :--- | :--- | :--- | :--- | | | Heavy Hit | Best Visual Effect (Unreal 5 Lumen-like) | High-end PCs prioritizing immersion | | Old RTGI Mode | Lightweight | Localized Lighting, Lower Detail | Balance of visuals and performance | | No RTGI Mode | Best | Standard Color Adjustments | Low-end PCs or competitive games |
In this article, we will break down everything you need to know: what RTGI is, why version 0.33 remains a fan-favorite, how to install it for free, and which games see the most dramatic transformation.