SwiftShader 2.0 (circa 2009–2012) allows old games/apps requiring Direct3D 9 or OpenGL ES 2.0 to run on CPUs without a physical GPU. It’s a single libGLESv2.dll or d3d9.dll .
Today, SwiftShader is an open-source project maintained by Google and is used as a fallback for WebGL in Chrome and Android. swift shader 2.0 download
While the technology has evolved (modern versions support Vulkan and are used in Chrome and Android emulators), remains a sought-after version for legacy gaming. SwiftShader 2