SwiftShader 2.1 is a high-performance software 3D renderer that allows you to run graphics-intensive applications on hardware that lacks a dedicated or powerful Graphics Processing Unit (GPU). By using the system's CPU to emulate the functions of a graphics card, SwiftShader 2.1 enables older computers, laptops, and specialized server environments to support DirectX 9.0 and OpenGL ES 2.0 applications. Understanding SwiftShader 2.1