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[idd] transport: abstract LGMP implementation

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Introduce transport, frame, and control interfaces with an LGMP factory
backend.

Move LGMP and IVSHMEM implementation details under transport/lgmp and
expose direct frame-buffer memory through a neutral capability.
This commit is contained in:
Geoffrey McRae
2026-08-07 16:39:07 +10:00
parent 30a1383d5e
commit 6725133375
46 changed files with 1026 additions and 480 deletions
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14
idd/LGIdd/capture/CSwapChainProcessor.h
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@@ -25,7 +25,7 @@
#include "display/IddCxCompat.h"
#include "d3d/CInteropResourcePool.h"
#include "capture/CFrameProcessor.h"
#include "common/KVMFR.h"
#include "postprocess/D12FrameFormat.h"
#include "postprocess/CPostProcessor.h"
#include <Windows.h>
@@ -37,8 +37,8 @@ using namespace Microsoft::WRL;
class CMonitorContext;
class CDeviceContext;
class CFrameTransport;
class CLGMPControl;
class IFrameTransport;
class IControlTransport;
class CSwapChainProcessor
{
@@ -47,8 +47,8 @@ private:
UINT64 m_assignmentGeneration;
IDDCX_MONITOR m_monitor;
CDeviceContext * m_devContext;
CFrameTransport & m_transport;
CLGMPControl & m_control;
IFrameTransport & m_transport;
IControlTransport & m_control;
IDDCX_SWAPCHAIN m_hSwapChain;
LUID m_renderAdapter;
std::shared_ptr<CD3D11Device> m_dx11Device;
@@ -56,7 +56,7 @@ private:
HANDLE m_newFrameEvent;
CInteropResourcePool m_resPool;
CPostProcessor m_postProcessors[LGMP_Q_FRAME_LEN];
CPostProcessor m_postProcessors[TRANSPORT_FRAME_QUEUE_LENGTH];
std::unique_ptr<CFrameProcessor> m_frameProcessor;
// Reconfiguration is exclusive while per-candidate recording is shared.
SRWLOCK m_pipelineLock = SRWLOCK_INIT;
@@ -68,7 +68,7 @@ private:
Wrappers::Event m_cursorDataEvent;
BYTE* m_shapeBuffer;
DWORD m_lastShapeId = 0;
std::atomic<UINT> m_sdrWhiteLevel { KVMFR_SDR_WHITE_LEVEL_DEFAULT };
std::atomic<UINT> m_sdrWhiteLevel { LG_SDR_WHITE_LEVEL_DEFAULT };
#ifdef HAS_IDDCX_110
// The per-frame metadata stream can select the monitor default, provide a