DirectX

DirectX is the industry-standard collection of APIs for handling high-performance multimedia and hardware-accelerated graphics on Windows and Xbox.

DirectX acts as the critical bridge between software and hardware, giving developers low-level access to the GPU and audio silicon. The suite includes DirectX 12 Ultimate, which standardizes advanced features like Ray Tracing (DXR), Variable Rate Shading, and Mesh Shaders across PC and console ecosystems. By leveraging the Direct3D component, engines like Unreal Engine 5 and Unity achieve near-zero driver overhead and maximized frame rates. It remains the definitive toolkit for building AAA titles and complex 3D simulations that require precise control over system resources.

https://learn.microsoft.com/en-us/windows/win32/directx