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# MTLPatchType

Types of tessellation patches that can be inputs of a post-tessellation vertex function.

```
enum MTLPatchType
```

## Topics

### Patch types

[`MTLPatchType.none`](/documentation/Metal/MTLPatchType/none)

An option that indicates that this isn’t a post-tessellation vertex function.

[`MTLPatchType.triangle`](/documentation/Metal/MTLPatchType/triangle)

A triangle patch.

[`MTLPatchType.quad`](/documentation/Metal/MTLPatchType/quad)

A quad patch.


---

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