<!--
{
  "availability" : [
    "iOS: 10.0.0 -",
    "iPadOS: 10.0.0 -",
    "macCatalyst: 13.1.0 -",
    "macOS: 10.12.0 -",
    "tvOS: 10.0.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Metal",
  "identifier" : "/documentation/Metal/MTLTessellationControlPointIndexType",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "Metal"
    ],
    "preciseIdentifier" : "c:@E@MTLTessellationControlPointIndexType"
  },
  "title" : "MTLTessellationControlPointIndexType"
}
-->

# MTLTessellationControlPointIndexType

Options for specifying the size of the control point indices in a control point index buffer.

```
enum MTLTessellationControlPointIndexType
```

## Topics

### Index types

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

No size. This value should only be used when drawing patches without a control point index buffer.

[`MTLTessellationControlPointIndexType.uint16`](/documentation/Metal/MTLTessellationControlPointIndexType/uint16)

The size of a 16-bit unsigned integer.

[`MTLTessellationControlPointIndexType.uint32`](/documentation/Metal/MTLTessellationControlPointIndexType/uint32)

The size of a 32-bit unsigned integer.


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)