[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/CFrameBufferResource.h

@@ -0,0 +1,136 @@
+/**
+ * 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 <Windows.h>
+#include <wdf.h>
+#include <wrl.h>
+#include <d3d12.h>
+#include <atomic>
+#include <stdint.h>
+
+#include "capture/CFrameScheduler.h"
+#include "d3d/CInteropResource.h"
+
+struct CD3D12Device;
+class CFrameTransport;
+
+using namespace Microsoft::WRL;
+
+class CFrameBufferResource
+{
+  private:
+    enum ResourceType
+    {
+      RESOURCE_NONE,
+      RESOURCE_BUFFER,
+      RESOURCE_TEXTURE,
+    };
+
+    unsigned                  m_frameIndex        = 0;
+    uint8_t                 * m_base              = nullptr;
+    size_t                    m_size              = 0;
+    size_t                    m_frameSize         = 0;
+    uint64_t                  m_captureTime       = 0;
+    uint64_t                  m_postProcessStart  = 0;
+    uint64_t                  m_copyStart         = 0;
+
+    CFrameScheduler::Schedule m_schedule          = {};
+
+    unsigned                  m_timingEffectIndex = 0;
+    uint64_t                  m_timingToken       = 0;
+    bool                      m_fullCopy          = false;
+    RECT                      m_copyDirtyRects[LG_MAX_DIRTY_RECTS * 2] = {};
+    unsigned                  m_nbCopyDirtyRects  = 0;
+    unsigned                  m_copyPitch         = 0;
+    unsigned                  m_copyBytesPerPixel = 0;
+    unsigned                  m_candidateIndex    = 0;
+    ResourceType              m_type              = RESOURCE_NONE;
+    D3D12_RESOURCE_DESC       m_desc              = {};
+    std::atomic<bool>         m_completionHandled = false;
+    ComPtr<ID3D12Resource>    m_res;
+    void                    * m_map               = nullptr;
+
+  public:
+    bool Init(CFrameTransport * transport, CD3D12Device * dx12,
+      unsigned frameIndex, uint8_t * base, size_t size,
+      const D3D12_RESOURCE_DESC * textureDesc = nullptr);
+    void Reset();
+
+    unsigned  GetFrameIndex() { return m_frameIndex; }
+    size_t    GetFrameSize()  { return m_frameSize;  }
+    void *    GetMap()        { return m_map;        }
+
+    void SetTiming(uint64_t captureTime, uint64_t postProcessStart,
+      uint64_t copyStart)
+    {
+      m_captureTime      = captureTime;
+      m_postProcessStart = postProcessStart;
+      m_copyStart        = copyStart;
+    }
+    uint64_t GetCaptureTime     () const { return m_captureTime;      }
+    uint64_t GetPostProcessStart() const { return m_postProcessStart; }
+    uint64_t GetCopyStart       () const { return m_copyStart;        }
+    void SetSchedule(const CFrameScheduler::Schedule& schedule)
+    {
+      m_schedule = schedule;
+    }
+    const CFrameScheduler::Schedule& GetSchedule() const
+    {
+      return m_schedule;
+    }
+
+    void SetPostProcessSample(
+      unsigned effectIndex, uint64_t token, bool fullCopy)
+    {
+      m_timingEffectIndex = effectIndex;
+      m_timingToken       = token;
+      m_fullCopy          = fullCopy;
+    }
+    unsigned GetTimingEffectIndex() const { return m_timingEffectIndex; }
+    uint64_t GetTimingToken      () const { return m_timingToken;       }
+    bool     IsFullCopy          () const { return m_fullCopy;          }
+    void SetCopyDamage(const RECT dirtyRects[], unsigned nbDirtyRects,
+      bool fullCopy, unsigned pitch, unsigned bytesPerPixel);
+    const RECT * GetCopyDirtyRects() const { return m_copyDirtyRects;    }
+    unsigned GetCopyDirtyRectCount() const { return m_nbCopyDirtyRects; }
+    unsigned GetCopyPitch         () const { return m_copyPitch;        }
+    unsigned GetCopyBytesPerPixel () const
+    {
+      return m_copyBytesPerPixel;
+    }
+    void ResetCompletion()
+    {
+      m_completionHandled.store(false, std::memory_order_release);
+    }
+    void MarkCompletion()
+    {
+      m_completionHandled.store(true, std::memory_order_release);
+    }
+    bool CompletionHandled() const
+    {
+      return m_completionHandled.load(std::memory_order_acquire);
+    }
+    void     SetCandidateIndex(unsigned index) { m_candidateIndex = index; }
+    unsigned GetCandidateIndex() const         { return m_candidateIndex; }
+
+    ComPtr<ID3D12Resource> Get() { return m_res; }
+};