workingFormat

A Core Image context option key to specify the pixel format to for intermediate results when rendering.

Declaration

static let workingFormat: CIContextOption

The value for this key is an NSNumber instance containing a CIFormat value.

The supported values for the working pixel format are:

Ciformat	Notes
Rgba8	Uses 4 bytes per pixel. Only supporrts SDR and has less precision.
Rgbah	Uses 8 bytes per pixel. Supports HDR.
Rgbaf	Uses 16 bytes per pixel. Only available on macOS

If this option is not specified, then the default is RGBAh.

(The default is RGBA8 if your if app is linked against iOS 12 SDK or earlier.)