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[idd] pipeline: overlap independent frame copies

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This commit is contained in:
Geoffrey McRae
2026-08-06 17:32:17 +10:00
parent ea6e155bbf
commit 5e7d944607
2 changed files with 113 additions and 12 deletions
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15
idd/LGIdd/CSwapChainProcessor.h
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@@ -99,15 +99,21 @@ private:
// An active tail records only damage received after its candidate snapshot.
FrameCandidate m_candidates[LGMP_Q_FRAME_LEN];
CandidateDamageTail m_candidateDamageTail[LGMP_Q_FRAME_LEN];
SRWLOCK m_candidateLock = SRWLOCK_INIT;
SRWLOCK m_damageLock = SRWLOCK_INIT;
SRWLOCK m_pipelineLock = SRWLOCK_INIT;
uint64_t m_candidateSequence = 0;
SRWLOCK m_candidateLock = SRWLOCK_INIT;
SRWLOCK m_damageLock = SRWLOCK_INIT;
// Reconfiguration is exclusive while per-candidate recording is shared.
SRWLOCK m_pipelineLock = SRWLOCK_INIT;
// Capture holds this only across submission; the publisher uses it to
// close the gate before recording deadline work.
SRWLOCK m_copySubmitLock = SRWLOCK_INIT;
uint64_t m_candidateSequence = 0;
bool m_publishPending = false;
Wrappers::HandleT<Wrappers::HandleTraits::HANDLENullTraits> m_thread[3];
Wrappers::Event m_terminateEvent;
Wrappers::Event m_candidateEvent;
Wrappers::Event m_candidateAvailableEvent;
Wrappers::Event m_copySubmitEvent;
Wrappers::HandleT<Wrappers::HandleTraits::HANDLENullTraits> m_publishTimer;
Wrappers::Event m_cursorDataEvent;
@@ -154,6 +160,7 @@ private:
unsigned candidateIndex, size_t frameSize);
void ResetCandidates();
void SignalCandidateState();
bool ExecuteCandidateCopy(CD3D12CommandSlot * copySlot);
static DWORD CALLBACK _CursorThread(LPVOID arg);
bool QueryHWCursor();