session_lock.go RawHistoryFolder

1package ports
2
3// OutputInstance identifies one output lifetime, not its connector or name.
4// Instances are nonzero and unique for the compositor's lifetime; reconnecting
5// or replacing an output requires a new instance even if its name is unchanged.
6type OutputInstance uint64
7
8// ProtectionKind describes affirmative evidence of output protection.
9// The zero value and all values other than the named kinds are invalid.
10type ProtectionKind string
11
12const (
13	// ProtectionProtectedFrame confirms a protected frame is presented, not
14	// merely queued or submitted for rendering.
15	ProtectionProtectedFrame ProtectionKind = "protected-frame"
16	// ProtectionInactiveOutput confirms the output is actually inactive, not
17	// that rendering failed or that its disappearance was inferred from an error.
18	ProtectionInactiveOutput ProtectionKind = "inactive-output"
19)
20
21// OutputProtection is affirmative protection evidence for one output lifetime
22// in exactly one security generation. It does not acknowledge backend lease
23// drainage/security handoff or completion of admitted prelock capture copies;
24// those are separate barriers.
25type OutputProtection struct {
26	Generation LockGeneration
27	Instance   OutputInstance
28	Kind       ProtectionKind
29}