This download provides the DirectX 9.0c end-user redistributable that developers may include with their products. DirectX 9.0c includes support for Pixel Shader and Vertex Shader 3.0, along with many new features across all technologies, which can be accessed by applications using the DirectX 9.0 APIs. In this model shaders still consist of fixed stages as on previous versions, but all stages support a nearly unified interface, as well as a. Direct3D 10 features an updated shader model 4.0 and optional interruptibility for shader programs.
Originally called WGF 2.0 (Windows Graphics Foundation 2.0), then DirectX 10 and DirectX Next. Windows Vista includes a major update to the Direct3D API.