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[idd] publish frames after copy submission

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Submit the D3D12 copy before exposing the frame through LGMP, preventing
clients from waiting on work that has not yet been queued. Track the
last published buffer separately for safe subscriber resends and handle
submission failures.
This commit is contained in:
Geoffrey McRae
2026-07-17 23:49:57 +10:00
parent 21b978e1df
commit d0bc4f3e07
3 changed files with 38 additions and 16 deletions
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14
idd/LGIdd/CIndirectDeviceContext.h
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@@ -91,11 +91,12 @@ private:
bool m_cursorVisible = false;
int m_cursorX = 0, m_cursorY = 0;
size_t m_alignSize = 0;
size_t m_maxFrameSize = 0;
int m_frameIndex = 0;
uint32_t m_formatVer = 0;
uint32_t m_frameSerial = 0;
size_t m_alignSize = 0;
size_t m_maxFrameSize = 0;
int m_frameIndex = 0;
volatile LONG m_publishedFrameIndex = -1;
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] = {};
@@ -105,8 +106,6 @@ private:
unsigned m_pitch = 0;
DXGI_FORMAT m_format = DXGI_FORMAT_UNKNOWN;
FrameType m_frameType = FRAME_TYPE_INVALID;
bool m_hasFrame = false;
UINT m_iddCxVersion = 0;
bool m_canProcessFP16 = false;
@@ -211,6 +210,7 @@ public:
};
PreparedFrameBuffer PrepareFrameBuffer(unsigned pitch, const D12FrameFormat& srcFormat, const D12FrameFormat& dstFormat, const RECT * dirtyRects, unsigned nbDirtyRects);
bool PublishFrameBuffer(unsigned frameIndex);
void WriteFrameBuffer(unsigned frameIndex, void* src, size_t offset, size_t len, bool setWritePos) const;
void FinalizeFrameBuffer(unsigned frameIndex) const;