https://www.tomshardware.com/news/microsoft-directx-raytracing-windows-10,37887.html
Microsoft's DirectX Raytracing API Makes Photorealism Easier | Tom's Hardware
Oct 3, 2018 - Microsoft's Windows 10 October Update includes the DirectX Raytracing API, which lets developers bring real-time ray tracing to games using a familiar platform.
microsoft sdirectx raytracingapimakesphotorealism