[idd] project: organize driver sources by responsibility

Group the IDD sources and Visual Studio filters by subsystem.

Split the device and swap-chain implementations into focused units,
rename the context classes, and reduce header coupling.

idd/LGIdd/capture/CSwapChainProcessor.h

@@ -0,0 +1,109 @@
+/**
+ * Looking Glass
+ * Copyright © 2017-2026 The Looking Glass Authors
+ * https://looking-glass.io
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc., 59
+ * Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#pragma once
+
+#include "d3d/CD3D11Device.h"
+#include "d3d/CD3D12Device.h"
+#include "display/IddCxCompat.h"
+#include "d3d/CInteropResourcePool.h"
+#include "capture/CFrameProcessor.h"
+#include "common/KVMFR.h"
+#include "postprocess/CPostProcessor.h"
+
+#include <Windows.h>
+#include <wrl.h>
+#include <atomic>
+#include <memory>
+
+using namespace Microsoft::WRL;
+
+class CMonitorContext;
+class CDeviceContext;
+class CFrameTransport;
+class CLGMPControl;
+
+class CSwapChainProcessor
+{
+private:
+  CMonitorContext                * m_monitorContext;
+  UINT64                           m_assignmentGeneration;
+  IDDCX_MONITOR                    m_monitor;
+  CDeviceContext                 * m_devContext;
+  CFrameTransport                & m_transport;
+  CLGMPControl                   & m_control;
+  IDDCX_SWAPCHAIN                  m_hSwapChain;
+  LUID                             m_renderAdapter;
+  std::shared_ptr<CD3D11Device>    m_dx11Device;
+  std::shared_ptr<CD3D12Device>    m_dx12Device;
+  HANDLE                           m_newFrameEvent;
+
+  CInteropResourcePool             m_resPool;
+  CPostProcessor                   m_postProcessors[LGMP_Q_FRAME_LEN];
+  std::unique_ptr<CFrameProcessor> m_frameProcessor;
+  // Reconfiguration is exclusive while per-candidate recording is shared.
+  SRWLOCK                          m_pipelineLock = SRWLOCK_INIT;
+
+  Wrappers::HandleT<Wrappers::HandleTraits::HANDLENullTraits> m_thread[3];
+  Wrappers::Event m_terminateEvent;
+  Wrappers::HandleT<Wrappers::HandleTraits::HANDLENullTraits> m_publishTimer;
+
+  Wrappers::Event m_cursorDataEvent;
+  BYTE*           m_shapeBuffer;
+  DWORD           m_lastShapeId = 0;
+  std::atomic<UINT> m_sdrWhiteLevel { KVMFR_SDR_WHITE_LEVEL_DEFAULT };
+
+#ifdef HAS_IDDCX_110
+  // The per-frame metadata stream can select the monitor default, provide a
+  // replacement block, or retain the selection from the previous frame.
+  bool                 m_useDefaultHDRMetadata = true;
+  bool                 m_hasNewHDRMetadata     = false;
+  IDDCX_HDR10_METADATA m_newHDRMetadata        = {};
+#endif
+
+  static DWORD CALLBACK _SwapChainThread(LPVOID arg);
+  void SwapChainThread();
+  void SwapChainThreadCore();
+  bool InitializePipeline();
+
+  static DWORD CALLBACK _PublisherThread(LPVOID arg);
+  void PublisherThread();
+  static DWORD CALLBACK _CursorThread(LPVOID arg);
+  bool QueryHWCursor();
+  void CursorThread();
+
+#ifdef HAS_IDDCX_110
+  void UpdateHDRMetadata(const IDDCX_METADATA2& metadata);
+#endif
+  bool GetContentHDRMetadata(D12FrameFormat& format) const;
+  bool SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer,
+    unsigned dirtyRectCount, unsigned moveRegionCount,
+    DXGI_COLOR_SPACE_TYPE colorSpace, UINT sdrWhiteLevel,
+    uint64_t captureStart, bool duplicateFrame);
+
+public:
+  CSwapChainProcessor(CMonitorContext * monitorContext,
+    UINT64 assignmentGeneration, IDDCX_MONITOR monitor,
+    CDeviceContext * devContext, IDDCX_SWAPCHAIN hSwapChain,
+    LUID renderAdapter, std::shared_ptr<CD3D11Device> dx11Device,
+    HANDLE newFrameEvent);
+  ~CSwapChainProcessor();
+  bool Start();
+};