ReShade RTGI (Ray-Traced Global Illumination) bridges this generational gap. Developed by graphics programmer Pascal Gilcher (Marty McSandwich), this shader brings software-based ray-traced lighting to almost any 3D game.
When prompted to download effect packages, select standard packs like and Quint . Complete the installation. Step 2: Add RTGI 0.36.1 Shaders
: Runs on both NVIDIA and AMD graphics cards. It bypasses the need for specialized RT cores by executing calculations via standard compute shaders.
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RTGI is a premium shader available through Pascal Gilcher’s Patreon page. Once acquired, extract the archive. Copy the qquint.fx files and the contents of the Shaders and Textures folders directly into your game’s ReShade directory (usually located next to the main .exe file). 3. Configure the Depth Buffer
The exact performance drop varies from 20% to 50% depending on your settings and the game's complexity. For most users, the quality gains justify the performance cost, especially in games with flat, pre‑baked lighting.
ReShade RTGI is a post-processing shader, developed by Marty McFly, that injects ray-traced global illumination into almost any game running on DirectX 9, 10, 11, 12, OpenGL, or Vulkan. Unlike native RTX, which requires specialized hardware and game developer implementation, RTGI works on a wider range of GPUs by utilizing screen-space data and depth buffers. Reshade Rtgi 0.36.1
Once RTGI is active, you will see a massive array of sliders. Adjusting these correctly balances visual fidelity and frame rate. 1. Ray Length and Amount
ReShade RTGI is a screen-space path-tracing shader. Traditional games use pre-baked lighting or basic ambient occlusion (like SSAO) which often results in floating objects or inaccurate shadowing. RTGI calculates how light paths travel and bounce within the user's field of view. Version 0.36.1 introduces key optimization algorithms and temporal filtering fixes to deliver pristine visual fidelity with reduced performance overhead. Key Features and Improvements
Note: As this is a Patreon-supported, ongoing project, always check the Marty McFly Patreon for the latest installation requirements and bug fixes. If you'd like, I can: Tell you with this shader Compare it to other ReShade ambient occlusion methods Give you a pre-set configuration for better performance ReShade RTGI | Ray Traced Global Illumination Complete the installation
[Game Engine Output] ──> [Depth Buffer & Color Data] ──> [RTGI Shader Processing] ──> [Final Ray-Traced Output]
I can give you customized settings to maximize your frame rate. Share public link
Native ray tracing calculates light rays across an entire 3D world map, which requires massive hardware power. RTGI uses a smarter, highly optimized shortcut: . Which of those would you like next
Turning on diffuse RTGI typically results in a ~15% frame rate reduction, while enabling both diffuse and specular effects can drop performance by an additional ~11%.
Beyond the standard effects, users can tweak and customize their experience. Whether it's adjusting the intensity of the GI effect or fine-tuning performance settings, users have a high degree of control.
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