Rays "march" through the depth buffer to find where they hit visible surfaces.
What rasterization fails to capture is . In the real world, if you shine a flashlight on a red carpet next to a white wall, the wall glows red. The light bounces. In traditional games? The wall stays white. The carpet stays red. They exist in isolation. reshade rtgi 0361
"Enhanced Graphics with ReShade RTGI 0.3.6.1: A Game-Changer for PC Gamers" Rays "march" through the depth buffer to find