---
title: kCVOpenGLTextureCacheChromaSamplingModeBestPerformance
framework: Core Video
role: symbol
role_heading: Global Variable
platforms: [macOS 10.4+]
path: corevideo/kcvopengltexturecachechromasamplingmodebestperformance
---

# kCVOpenGLTextureCacheChromaSamplingModeBestPerformance

Set the chroma sample mode to use the most performant way possible.

## Declaration

```swift
let kCVOpenGLTextureCacheChromaSamplingModeBestPerformance: CFString
```

## See Also

### Values

- [kCVOpenGLTextureCacheChromaSamplingModeAutomatic](corevideo/kcvopengltexturecachechromasamplingmodeautomatic.md)
- [kCVOpenGLTextureCacheChromaSamplingModeHighestQuality](corevideo/kcvopengltexturecachechromasamplingmodehighestquality.md)