kCVMetalTextureCacheMaximumTextureAgeKey
The length of time, in seconds, before the cache is automatically evicted.
Declaration
let kCVMetalTextureCacheMaximumTextureAgeKey: CFStringDiscussion
The default value is 1. To disable the age-out mechanism completely, set a maximum texture age of 0. The cache can be manually evicted with CVMetalTextureCacheFlush(_:_:).