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[client/idd/obs] scheduler: isolate timing owner delivery

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This commit is contained in:
Geoffrey McRae
2026-08-05 14:58:21 +10:00
parent 0b9b805530
commit c7ed04412e
21 changed files with 1572 additions and 362 deletions
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66
idd/LGIdd/CIndirectDeviceContext.h
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@@ -89,6 +89,7 @@ private:
PLGMPHost m_lgmp = nullptr;
WDFTIMER m_lgmpTimer = nullptr;
PLGMPHostQueue m_frameQueue = nullptr;
PLGMPHostQueue m_frameOwnerQueue[LGMP_Q_FRAME_LEN] = {};
SRWLOCK m_lgmpProcessLock = SRWLOCK_INIT;
CFrameScheduler m_frameScheduler;
@@ -108,14 +109,37 @@ private:
size_t m_frameMemoryOffset = 0;
size_t m_maxFrameSize = 0;
std::atomic<LONG> m_publishedFrameIndex = -1;
std::atomic<bool> m_frameInFlight[LGMP_Q_FRAME_LEN] = {};
SRWLOCK m_framePublishLock = SRWLOCK_INIT;
bool m_frameResendPending = false;
uint32_t m_formatVer = 0;
uint32_t m_frameSerial = 0;
PLGMPMemory m_frameMemory[LGMP_Q_FRAME_LEN] = {};
KVMFRFrame * m_frame [LGMP_Q_FRAME_LEN] = {};
FrameBuffer * m_frameBuffer[LGMP_Q_FRAME_LEN] = {};
std::atomic<bool> m_frameInFlight[LGMP_Q_FRAME_BUFFER_LEN] = {};
SRWLOCK m_framePublishLock = SRWLOCK_INIT;
bool m_frameResendPending = false;
uint64_t m_framePublishSequence = 0;
uint64_t m_frameLastPublishSequence[LGMP_Q_FRAME_BUFFER_LEN] = {};
struct FrameDelivery
{
uint64_t sharedOwnerToken = 0;
unsigned ownerQueueMask = 0;
uint32_t sharedOwnerClientID = 0;
bool sharedOwnerPending = false;
bool sharedPending = false;
bool sharedDelivered = false;
};
struct OwnerDelivery
{
uint64_t token = 0;
uint32_t clientID = 0;
unsigned frameIndex = 0;
bool active = false;
};
FrameDelivery m_frameDelivery[LGMP_Q_FRAME_BUFFER_LEN] = {};
OwnerDelivery m_ownerDelivery[LGMP_Q_FRAME_LEN] = {};
uint32_t m_formatVer = 0;
uint32_t m_frameSerial = 0;
PLGMPMemory m_frameMemory[LGMP_Q_FRAME_BUFFER_LEN] = {};
KVMFRFrame * m_frame [LGMP_Q_FRAME_BUFFER_LEN] = {};
FrameBuffer * m_frameBuffer[LGMP_Q_FRAME_BUFFER_LEN] = {};
unsigned m_width = 0;
unsigned m_height = 0;
@@ -155,6 +179,15 @@ private:
bool InitializeLGMP();
void DeInitLGMP();
void LGMPTimer();
void ProcessFrameDeliveries();
int FindAvailableFrameBuffer() const;
int FindAvailableOwnerQueue(unsigned preferredIndex) const;
int FindOwnerDelivery(uint32_t clientID) const;
int FindSharedOwnerDelivery(uint32_t clientID) const;
bool HasOwnerDelivery(uint32_t clientID) const;
bool PostSharedFrame(unsigned frameIndex, uint32_t excludeClientID);
bool PostSharedOwnerFrame(unsigned frameIndex,
const CFrameScheduler::Schedule& schedule);
void ResendCursor();
void SendColorTransform();
void InitializeEdid();
@@ -222,14 +255,21 @@ public:
{
unsigned frameIndex;
uint8_t* mem;
bool fullCopy;
};
bool FrameBufferAvailable() const;
bool FrameBufferAvailable(const CFrameScheduler::Schedule& schedule);
bool HasPublishedFrame() const
{
return m_publishedFrameIndex.load(std::memory_order_acquire) >= 0;
}
void ProcessFrameQueue();
PreparedFrameBuffer PrepareFrameBuffer(unsigned pitch, const D12FrameFormat& srcFormat, const D12FrameFormat& dstFormat, const RECT * dirtyRects, unsigned nbDirtyRects);
bool PublishFrameBuffer(unsigned frameIndex, uint32_t scheduleGeneration);
void CommitFrameBuffer(unsigned frameIndex, uint32_t scheduleGeneration,
bool periodic);
bool PublishFrameBuffer(unsigned frameIndex,
const CFrameScheduler::Schedule& schedule);
bool RepublishFrameBuffer(const CFrameScheduler::Schedule& schedule);
void CommitFrameBuffer(unsigned frameIndex,
const CFrameScheduler::Schedule& schedule, bool periodic);
void AbortFrameBuffer(unsigned frameIndex);
void FailFrameBuffer(unsigned frameIndex);
void CompleteFrameBuffer(unsigned frameIndex);
@@ -241,7 +281,7 @@ public:
void ObserveFrame(uint64_t now);
void ForceFrame();
bool GetPublishTarget(uint64_t now, uint64_t& target,
uint32_t& generation, bool& periodic);
CFrameScheduler::Schedule& schedule, bool& periodic, bool& republish);
void FrameSuperseded();
HANDLE GetFrameScheduleEvent() const
{