What makes RTGI unique is that it creates (GI). Light bounces off a red wall and casts a red tint on the floor. Sunlight filtering through a window scatters realistically through dust.
: Unlike native RTX solutions, RTGI operates on depth data alone, making it compatible with non-RTX cards, though it remains performance-intensive. ReShade 5.3 and RTGI 0.33 Update | August 2022
The biggest enemy of all ray-traced shaders is noise. In previous versions, RTGI could look "sparkly" or grainy when you moved the camera. Version 0.33 refines the temporal denoiser. It holds onto previous frames better, smoothing out the image without turning it into a blurry mess.
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To get RTGI 0.33 up and running perfectly, follow these precise installation steps. Step 1: Secure the Shader Files
The shader casts virtual rays across the pixels visible on your screen, calculating how light bounces off surfaces, casts ambient occlusion, and bleeds color onto neighboring objects. Version 0.33 introduced significant optimizations, including smarter filtering algorithms, better temporal accumulation (reducing noise), and improved handling of UI elements to prevent ugly light-bleeding artifacts. Key Benefits of RTGI 0.33
Copy the contents of the RTGI Textures folder into reshade-shaders/Textures . Step 3: Configure the Depth Buffer
Compatibility & Requirements
: Running RTGI at half-resolution (found in the shader settings) can provide a massive FPS boost with minimal visual loss. Anti-Aliasing
: It works with almost any game that allows ReShade to access the depth buffer
and newer, which introduced a built-in "unlocked" feature that prevents the common "high network activity" error that previously disabled depth-dependent shaders like RTGI in online-connected games. Better Scaling
Simulates diffuse and specular light, making surfaces look more natural. reshade rtgi 033 download better
Open your game's main installation folder (where the game .exe resides). Look for the newly created reshade-shaders folder.
Versioning & Updates
Look for the Depth Buffer section. Ensure ReShade is targeting the correct depth buffer (usually the one matching your current gameplay resolution).