Select the correct API (usually Direct3D 10/11/12 or Vulkan).
A modern GPU (NVIDIA GTX 10 series or AMD RX 5000 series minimum) is recommended for a stable experience. rtgi shader free download
RTGI is a technology used in computer graphics to simulate global illumination in real-time. It's commonly used in video games, architectural visualization, and product design to create more realistic and immersive environments. Select the correct API (usually Direct3D 10/11/12 or Vulkan)
True ray-traced global illumination (like in Cyberpunk 2077's Psycho RT) requires an NVIDIA RTX or AMD Radeon RX 6000+ GPU and is not available as a free download. What you are downloading are "screen-space" or "ray-traced in screenspace" (SSRTGI) shaders. They look great but are less accurate than hardware RT. They look great but are less accurate than hardware RT
Download the latest version of ReShade with full add-on support .
: It simulates "indirect" light—the way light from a lamp or the sun hits one surface and then reflects onto another.
Activate the RTGI shader and configure it to your preference. Performance Considerations