Based on the title provided, you are referring to a specific early access release of the by developer Pascal Gilcher (also known as Marty McFly ).
Kira first found the shader at 03:12, scrolling through commit messages while the city outside her window was still a smear of sodium-orange lights. The title—"rtgi_033_2021"—sounded like a radio frequency. The README promised a small, improbable thing: global illumination inside post-process space, an illusion of geometry built from traced photons after the game had already painted its frame. People argued on the thread about sampling, denoising, and licensing; others posted benchmarks like flags planted on distant peaks. Kira saved the zip and brewed coffee. reshade ray tracing shader rtgi 033 2021
Because it cannot see around corners (no BVH structures like RTX cards), it sometimes fails, causing "light leaks" or missing reflections. However, in 2021, version 0.33 introduced a critical improvement: Older versions flickered wildly. Version 0.33 smoothed out the noise, making it feel shockingly close to hardware ray tracing. Based on the title provided, you are referring