@startuml
state CommandBufferState {
  [*] --> Idle
  Idle --> Recording : Begin()
  Recording --> Executable : End()
  Executable --> Pending : Submit()
  Pending --> Idle : Reset()
}

state CacheState {
  [*] --> Valid
  Valid --> Invalid : Widget Changed
  Invalid --> Rendering : Start Update
  Rendering --> Valid : Complete
}
@enduml