---
title: MTLArgumentBuffersTier.tier1
framework: metal
role: symbol
role_heading: Case
path: metal/mtlargumentbufferstier/tier1
---

# MTLArgumentBuffersTier.tier1

Support for tier 1 argument buffers.

## Declaration

```swift
case tier1
```

## Discussion

Discussion Tier 1 argument buffers are supported on all iOS, tvOS, and macOS GPUs.

## See Also

### Enumeration cases

- [MTLArgumentBuffersTier.tier2](metal/mtlargumentbufferstier/tier2.md)