![]() Adds new intrinsics and increases limits on registers and instructions. It introduced vertex and pixel shaders to the first implementation of the programmable pipeline. ![]() This was the first shader model created in DirectX. Shader model versions gradually introduce new processing stages, relax constraints and introduce a superset of capabilities. The currently targetted shader model can be accessed from within the shader code using the Predefined Version Macros _SHADER_TARGET_MAJOR and _SHADER_TARGET_MINOR. Each level allows an application or game to target a well-known set of functionality for development, and allows hardware and driver developers to target that same description for support. The HLSL shader model is a versioning approach indicating which new features are added to the language.
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