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Shader Model 1

Shader Model 1 was the first shader model created in DirectX. It introduced vertex and pixel shaders to the first implementation of the programmable pipeline.

FeatureCapability
Instruction Set
Register Set
Vertex Shader Max128 instructions
Shader Profilesvs_1_1

 

For more details on shader model 1, see:

Related topics

Shader Models vs Shader Profiles