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HLSL supports many different intrinsic data types. This table shows which types to use to define shader variables.
| Use this intrinsic type | To define this shader variable |
|---|---|
| Scalar | One-component scalar |
| Vector, Matrix | Multiple-component vector or matrix |
| Sampler, Texture or Buffer | Sampler, texture, or buffer object |
| Struct, User Defined | Custom structure or typedef |
| Array | Literal scalar expressions declared containing most other types |
| State Object | HLSL representations of state objects |
To help you better understand how to use vectors and matrices in HLSL, you may want to read this background information on how HLSL uses per-component math.
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