

DirectX Raytracing (DXR) was added to Windows 10 in 2018 and introduced real-time ray tracing.It also worked nicely with multi-GPU systems including AMD CrossFireX or Nvidia SLI setups. The most important update here was allowing for more efficient resource utilisation, the goal of which was to achieve "console-level efficiency on phone, tablet and PC". DirectX 12 launched with Windows 10 in 2015.A version of it was also used on the Xbox One. DirectX 11 launched in 2008 and bought improved support for multi-threading so developers could make the most of multi-core CPUs.DirectX 10 was a major upgrade to DirectX that was only available in the ill-fated Windows Vista.It introduced Shader Model 2.0 and Pixel Shader 2.0.

