CVPixelBufferCreationAttributes.Backing Type of backing storage used by the pixel buffer Declarationenum Backing TopicsEnumeration CasesCVPixelBufferCreationAttributes.Backing.ioSurfaceCVPixelBufferCreationAttributes.Backing.ioSurfaceWithProperties(_:)CVPixelBufferCreationAttributes.Backing.memory RelationshipsConforms ToEquatableSendableSendableMetatype