---
title: MTLIOCompressionContextDefaultChunkSize()
framework: metal
role: symbol
role_heading: Function
path: metal/mtliocompressioncontextdefaultchunksize()
---

# MTLIOCompressionContextDefaultChunkSize()

Returns a compression chunk size you can use as a default for creating a compression context.

## Declaration

```swift
func MTLIOCompressionContextDefaultChunkSize() -> Int
```

## See Also

### Asset compression

- [MTLIOCreateCompressionContext(_:_:_:)](metal/mtliocreatecompressioncontext(_:_:_:).md)
- [MTLIOCompressionMethod](metal/mtliocompressionmethod.md)
- [MTLIOCompressionContext](metal/mtliocompressioncontext.md)
- [MTLIOCompressionContextAppendData(_:_:_:)](metal/mtliocompressioncontextappenddata(_:_:_:).md)
- [MTLIOFlushAndDestroyCompressionContext(_:)](metal/mtlioflushanddestroycompressioncontext(_:).md)
- [MTLIOCompressionStatus](metal/mtliocompressionstatus.md)