---
title: NSOpenGLGlobalOption.clearFormatCache
framework: appkit
role: symbol
role_heading: Case
path: appkit/nsopenglglobaloption/clearformatcache
---

# NSOpenGLGlobalOption.clearFormatCache

Resets the pixel format cache if true.

## Declaration

```swift
case clearFormatCache
```

## See Also

### Constants

- [NSOpenGLGlobalOption.formatCacheSize](appkit/nsopenglglobaloption/formatcachesize.md)
- [NSOpenGLGlobalOption.retainRenderers](appkit/nsopenglglobaloption/retainrenderers.md)
- [NSOpenGLGlobalOption.useBuildCache](appkit/nsopenglglobaloption/usebuildcache.md)