[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.
2026-08-09 08:41:31 +00:00 · 2026-08-07 14:38:36 +10:00
parent 3ddc199bec
commit 30a1383d5e
76 changed files with 5067 additions and 3923 deletions
--- a/idd/LGIdd/display/CDisplayConfiguration.h
+++ b/idd/LGIdd/display/CDisplayConfiguration.h
@@ -0,0 +1,113 @@
+/**
+ * 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 "config/CSettings.h"
+#include "display/CEdid.h"
+#include "display/IddCxCompat.h"
+#include "transport/FrameMemoryLimits.h"
+
+#include <stddef.h>
+#include <stdint.h>
+#include <vector>
+
+class CDisplayConfiguration
+{
+public:
+  enum class ResolutionStatus
+  {
+    SUCCESS,
+    INVALID,
+    TOO_LARGE,
+    SETTINGS_FAILED,
+    MODES_FAILED,
+  };
+
+  struct ResolutionResult
+  {
+    ResolutionStatus       status      = ResolutionStatus::INVALID;
+    CSettings::DisplayMode mode        = {};
+    uint32_t               requiredMiB = 0;
+  };
+
+  struct Description
+  {
+    size_t            modeCount = 0;
+    std::vector<BYTE> edid;
+  };
+
+private:
+  CSettings& m_settings;
+
+  // Registry-backed changes are serialized before publishing a replacement
+  // mode list. Readers only hold m_modeLock long enough to take a snapshot.
+  SRWLOCK         m_reloadLock = SRWLOCK_INIT;
+  mutable SRWLOCK m_modeLock   = SRWLOCK_INIT;
+
+  CSettings::DisplayModes m_modes;
+  CEdid                   m_edid;
+  bool                    m_hdrEnabled = false;
+
+  bool LoadModes(const FrameMemoryLimits& limits);
+  CSettings::DisplayModes SnapshotModes(bool * hdrEnabled = nullptr) const;
+
+  static bool AlignUp(UINT64 value, UINT64 alignment, UINT64& result);
+  static bool CalculateFrameSize(uint32_t width, uint32_t height,
+    UINT64& frameSize);
+  static bool GetResolutionMemoryRequirements(uint32_t width,
+    uint32_t height, UINT64 alignment, const FrameMemoryLimits& limits,
+    UINT64& frameSize, UINT64& sharedSize);
+  static uint32_t RecommendedIVSHMEMSizeMiB(UINT64 requiredSize);
+
+public:
+  explicit CDisplayConfiguration(CSettings& settings);
+
+  CDisplayConfiguration(const CDisplayConfiguration&) = delete;
+  CDisplayConfiguration& operator=(const CDisplayConfiguration&) = delete;
+
+  bool Load(const FrameMemoryLimits& limits);
+  bool ReloadSettings(const FrameMemoryLimits& limits);
+  ResolutionResult SetResolution(uint32_t width, uint32_t height,
+    const FrameMemoryLimits& limits);
+
+  void InitializeEdid(bool hdr);
+  void RebuildEdid(bool hdr);
+  Description GetDescription() const;
+
+  NTSTATUS ParseMonitorDescription(
+    const IDARG_IN_PARSEMONITORDESCRIPTION * inArgs,
+    IDARG_OUT_PARSEMONITORDESCRIPTION * outArgs) const;
+  NTSTATUS MonitorGetDefaultModes(
+    const IDARG_IN_GETDEFAULTDESCRIPTIONMODES * inArgs,
+    IDARG_OUT_GETDEFAULTDESCRIPTIONMODES * outArgs) const;
+  NTSTATUS MonitorQueryTargetModes(
+    const IDARG_IN_QUERYTARGETMODES * inArgs,
+    IDARG_OUT_QUERYTARGETMODES * outArgs) const;
+
+#ifdef HAS_IDDCX_110
+  NTSTATUS ParseMonitorDescription2(
+    const IDARG_IN_PARSEMONITORDESCRIPTION2 * inArgs,
+    IDARG_OUT_PARSEMONITORDESCRIPTION * outArgs) const;
+  NTSTATUS MonitorQueryTargetModes2(
+    const IDARG_IN_QUERYTARGETMODES2 * inArgs,
+    IDARG_OUT_QUERYTARGETMODES * outArgs) const;
+#endif
+};