tweak script name.

fixed a runtime error when using the IL2CPP scripting backend

.gitignore

@@ -5,6 +5,8 @@
 /[Bb]uild/
 /[Ww]iki/
 /[Mm]isc/
+/UnityPackageManager
+/Packages
 
 # Autogenerated VS/MD solution and project files
 *.csproj
@@ -28,3 +30,4 @@ sysinfo.txt
 /Assets/AssetStoreTools*
 /Assets/Extensions*
 /uDesktopDuplication.log
+.vs

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Assets/uDesktopDuplication/Examples/Scenes/Raycast.unity.meta

@@ -0,0 +1,8 @@
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+guid: f68bd0626da87264cb4daca57d3c1594
+timeCreated: 1481736541
+licenseType: Pro
+DefaultImporter:
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Assets/uDesktopDuplication/Examples/Scripts/BufferExample.cs

@@ -0,0 +1,72 @@
+using UnityEngine;
+using System;
+using System.Runtime.InteropServices;
+
+public class BufferExample : MonoBehaviour
+{
+    [SerializeField]
+    uDesktopDuplication.Texture uddTexture;
+
+	Texture2D texture_;
+	Color32[] pixels_;
+	GCHandle handle_;
+	IntPtr ptr_ = IntPtr.Zero;
+
+    [DllImport("msvcrt.dll", CallingConvention = CallingConvention.Cdecl, SetLastError = false)]
+    public static extern IntPtr memcpy(IntPtr dest, IntPtr src, int count);
+
+    void Start()
+    {
+        if (!uddTexture) return;
+
+        uddTexture.monitor.useGetPixels = true;
+        UpdateTexture();
+    }
+
+    void OnDestroy()
+    {
+        if (ptr_ != IntPtr.Zero) {
+            handle_.Free();
+        }
+    }
+
+    void Update()
+    {
+        if (!uddTexture) return;
+
+        if (uddTexture.monitor.width != texture_.width || 
+            uddTexture.monitor.height != texture_.height) {
+            UpdateTexture();
+        }
+
+        CopyTexture();
+    }
+
+    void UpdateTexture()
+    {
+        var width = uddTexture.monitor.width;
+        var height = uddTexture.monitor.height;
+
+        // TextureFormat.BGRA32 should be set but it causes an error now.
+		texture_ = new Texture2D(width, height, TextureFormat.RGBA32, false);
+		texture_.filterMode = FilterMode.Bilinear;
+		pixels_ = texture_.GetPixels32();
+		handle_ = GCHandle.Alloc(pixels_, GCHandleType.Pinned);
+		ptr_ = handle_.AddrOfPinnedObject();
+
+        GetComponent<Renderer>().material.mainTexture = texture_;
+    }
+
+    void CopyTexture()
+    {
+        var buffer = uddTexture.monitor.buffer;
+        if (buffer == IntPtr.Zero) return;
+
+        var width = uddTexture.monitor.width;
+        var height = uddTexture.monitor.height;
+        memcpy(ptr_, buffer, width * height * sizeof(Byte) * 4);
+
+		texture_.SetPixels32(pixels_);
+		texture_.Apply();
+    }
+}

Assets/uDesktopDuplication/Examples/Scripts/BufferExample.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 2bbc456c8248acd46976392616f32f8c
+MonoImporter:
+  externalObjects: {}
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Assets/uDesktopDuplication/Examples/Scripts/GetPixelsExample.cs

@@ -6,27 +6,38 @@ public class GetPixelsExample : MonoBehaviour
 
     [SerializeField] int x = 100;
     [SerializeField] int y = 100;
-    const int width = 64;
-    const int height = 32;
+    [SerializeField] int w = 64;
+    [SerializeField] int h = 32;
     
     public Texture2D texture;
-    Color32[] colors = new Color32[width * height];
+    Color32[] colors;
+
+    void CreateTextureIfNeeded()
+    {
+        if (!texture || texture.width != w || texture.height != h)
+        {
+            colors = new Color32[w * h];
+            texture = new Texture2D(w, h, TextureFormat.ARGB32, false);
+            GetComponent<Renderer>().material.mainTexture = texture;
+        }
+    }
 
     void Start()
     {
-        texture = new Texture2D(width, height, TextureFormat.ARGB32, false);
-        GetComponent<Renderer>().material.mainTexture = texture;
+        CreateTextureIfNeeded();
     }
 
     void Update()
     {
+        CreateTextureIfNeeded();
+
         // must be called (performance will be slightly down).
         uDesktopDuplication.Manager.primary.useGetPixels = true;
 
         var monitor = uddTexture.monitor;
         if (!monitor.hasBeenUpdated) return;
 
-        if (monitor.GetPixels(colors, x, y, width, height)) {
+        if (monitor.GetPixels(colors, x, y, w, h)) {
             texture.SetPixels32(colors);
             texture.Apply();
         }

Assets/uDesktopDuplication/Examples/Scripts/MultipleMonitorAnalyzer.cs

@@ -1,41 +1,41 @@
-using UnityEngine;
-
-[RequireComponent(typeof(MultipleMonitorCreator))]
-public class MultipleMonitorAnalyzer : MonoBehaviour
-{
-    MultipleMonitorCreator creator_;
-    Vector3 gazePoint_ = Vector3.zero;
-    public Vector3 gazePoint 
-    { 
-        get { return gazePoint_; } 
-        private set 
+using UnityEngine;
+
+[RequireComponent(typeof(MultipleMonitorCreator))]
+public class MultipleMonitorAnalyzer : MonoBehaviour
+{
+    MultipleMonitorCreator creator_;
+    Vector3 gazePoint_ = Vector3.zero;
+    public Vector3 gazePoint 
+    { 
+        get { return gazePoint_; } 
+        private set 
         {
             gazePoint_ += (value - gazePoint) * (gazePointFilter / (1f / 60 / Time.deltaTime));
-        }
-    }
-
-    [Header("Filters")]
-    [Range(0f, 1f)] public float gazePointFilter = 0.1f;
-    [Range(0f, 1f)] public float moveRectFilter = 0.05f;
-    [Range(0f, 1f)] public float mouseFilter = 0.05f;
-    [Range(0f, 1f)] public float dirtyRectFilter = 0.01f;
-    [Range(0f, 1f)] public float noEventFilter = 0.01f;
-    [Range(0f, 1f)] public float velocityFilter = 0.1f;
-
-    [Header("Debug")]
-    [SerializeField] bool drawGazePoint;
-    [SerializeField] bool drawAveragePos;
-    [SerializeField] bool drawMoveRects;
-    [SerializeField] bool drawDirtyRects;
-
-    void Start()
+        }
+    }
+
+    [Header("Filters")]
+    [Range(0f, 1f)] public float gazePointFilter = 0.1f;
+    [Range(0f, 1f)] public float moveRectFilter = 0.05f;
+    [Range(0f, 1f)] public float mouseFilter = 0.05f;
+    [Range(0f, 1f)] public float dirtyRectFilter = 0.01f;
+    [Range(0f, 1f)] public float noEventFilter = 0.01f;
+    [Range(0f, 1f)] public float velocityFilter = 0.1f;
+
+    [Header("Debug")]
+    [SerializeField] bool drawGazePoint;
+    [SerializeField] bool drawAveragePos;
+    [SerializeField] bool drawMoveRects;
+    [SerializeField] bool drawDirtyRects;
+
+    void Start()
     {
         creator_ = GetComponent<MultipleMonitorCreator>();
-    }
-
-    void Update()
-    {
-        var cursorMonitorId = uDesktopDuplication.Manager.cursorMonitorId;
+    }
+
+    void Update()
+    {
+        var cursorMonitorId = uDesktopDuplication.Manager.cursorMonitorId;
         for (int i = 0; i < creator_.monitors.Count; ++i) {
             var info = creator_.monitors[i];
             var analyzer = 
@@ -44,18 +44,18 @@ public class MultipleMonitorAnalyzer : MonoBehaviour
             UpdateAnalyzer(analyzer);
             if (info.uddTexture.monitorId == cursorMonitorId) {
                 gazePoint = analyzer.averagePos;
-            }
-        }
-
-        if (drawGazePoint) DrawGazePoint();
-    }
-
-    void DrawGazePoint()
+            }
+        }
+
+        if (drawGazePoint) DrawGazePoint();
+    }
+
+    void DrawGazePoint()
     {
         Debug.DrawLine(transform.position, gazePoint, Color.magenta);
-    }
-
-    void UpdateAnalyzer(GazePointAnalyzer analyzer)
+    }
+
+    void UpdateAnalyzer(GazePointAnalyzer analyzer)
     {
         analyzer.moveRectFilter = moveRectFilter;
         analyzer.mouseFilter = mouseFilter;
@@ -65,5 +65,5 @@ public class MultipleMonitorAnalyzer : MonoBehaviour
         analyzer.drawAveragePos = drawAveragePos;
         analyzer.drawMoveRects = drawMoveRects;
         analyzer.drawDirtyRects = drawDirtyRects;
-    }
-}
+    }
+}

Assets/uDesktopDuplication/Examples/Scripts/MultipleMonitorCreator.cs

@@ -2,7 +2,7 @@
 using UnityEngine.Assertions;
 using System.Collections.Generic;
 using MeshForwardDirection = uDesktopDuplication.Texture.MeshForwardDirection;
-using MonitorState = uDesktopDuplication.MonitorState;
+using DuplicatorState = uDesktopDuplication.DuplicatorState;
 
 public class MultipleMonitorCreator : MonoBehaviour
 {
@@ -92,11 +92,11 @@ public class MultipleMonitorCreator : MonoBehaviour
             if (removeWaitTimer_ > removeWaitDuration) {
                 hasMonitorUnsupportStateChecked_ = true;
                 foreach (var info in monitors) {
-                    if (info.uddTexture.monitor.state == MonitorState.Unsupported) {
+                    if (info.uddTexture.monitor.state == DuplicatorState.Unsupported) {
                         Destroy(info.gameObject);
                     }
                 }
-                monitors.RemoveAll(info => info.uddTexture.monitor.state == MonitorState.Unsupported);
+                monitors.RemoveAll(info => info.uddTexture.monitor.state == DuplicatorState.Unsupported);
             }
         }
     }

Assets/uDesktopDuplication/Examples/Scripts/RaycastExample.cs

@@ -0,0 +1,22 @@
+using UnityEngine;
+
+public class RaycastExample : MonoBehaviour
+{
+    public Transform from;
+    public Transform to;
+
+    void Update()
+    {
+        if (!from || !to) return;
+
+        Debug.DrawLine(from.position, to.position, Color.red);
+
+        foreach (var uddTexture in GameObject.FindObjectsOfType<uDesktopDuplication.Texture>()) {
+            var result = uddTexture.RayCast(from.position, to.position - from.position);
+            if (result.hit) {
+                Debug.DrawLine(result.position, result.position + result.normal, Color.yellow);
+                Debug.Log("COORD: " + result.coords + ", DESKTOP: " + result.desktopCoord);
+            }
+        }
+    }
+}

Assets/uDesktopDuplication/Examples/Scripts/RaycastExample.cs.meta

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Assets/uDesktopDuplication/Plugins/x86/uDesktopDuplication.dll.meta

@@ -1,53 +1,150 @@
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-      enabled: 1
-      settings:
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-      settings:
-        CPU: x86
-    Win:
-      enabled: 1
-      settings:
-        CPU: AnyCPU
-    Win64:
-      enabled: 0
-      settings:
-        CPU: None
+    data:
+      first:
+        '': Any
+      second:
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+        settings:
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+          Exclude Editor: 0
+          Exclude Linux: 0
+          Exclude Linux64: 0
+          Exclude LinuxUniversal: 0
+          Exclude OSXIntel: 0
+          Exclude OSXIntel64: 0
+          Exclude OSXUniversal: 0
+          Exclude Win: 0
+          Exclude Win64: 1
+    data:
+      first:
+        '': data
+      second:
+        enabled: 0
+        settings: {}
+    data:
+      first:
+        Android: Android
+      second:
+        enabled: 1
+        settings:
+          CPU: ARMv7
+    data:
+      first:
+        Any: 
+      second:
+        enabled: 1
+        settings:
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+          Exclude Linux: 0
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+          Exclude LinuxUniversal: 0
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+          Exclude OSXIntel64: 0
+          Exclude OSXUniversal: 0
+          Exclude WebGL: 0
+          Exclude Win: 0
+          Exclude Win64: 1
+    data:
+      first:
+        Editor: Editor
+      second:
+        enabled: 1
+        settings:
+          CPU: x86
+          DefaultValueInitialized: true
+          OS: AnyOS
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+      first:
+        Facebook: WebGL
+      second:
+        enabled: 1
+        settings: {}
+    data:
+      first:
+        Facebook: Win
+      second:
+        enabled: 1
+        settings:
+          CPU: AnyCPU
+    data:
+      first:
+        Facebook: Win64
+      second:
+        enabled: 0
+        settings:
+          CPU: None
+    data:
+      first:
+        Standalone: Linux
+      second:
+        enabled: 1
+        settings:
+          CPU: x86
+    data:
+      first:
+        Standalone: Linux64
+      second:
+        enabled: 1
+        settings:
+          CPU: None
+    data:
+      first:
+        Standalone: LinuxUniversal
+      second:
+        enabled: 1
+        settings:
+          CPU: AnyCPU
+    data:
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+        Standalone: OSXIntel
+      second:
+        enabled: 1
+        settings:
+          CPU: AnyCPU
+    data:
+      first:
+        Standalone: OSXIntel64
+      second:
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+          CPU: None
+    data:
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+      second:
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+          CPU: AnyCPU
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+    data:
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+      second:
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+        settings:
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+    data:
+      first:
+        WebGL: WebGL
+      second:
+        enabled: 1
+        settings: {}
   userData: 
   assetBundleName: 
   assetBundleVariant: 

Assets/uDesktopDuplication/Plugins/x86_64/uDesktopDuplication.dll.meta

@@ -1,54 +1,150 @@
 fileFormatVersion: 2
-guid: 02fc121822cf2ea4e82e16c4a28bf711
-timeCreated: 1477546714
+guid: 7cb91c9ae744dc5429005b20e11f4f37
+timeCreated: 1503505907
 licenseType: Pro
 PluginImporter:
-  serializedVersion: 1
+  serializedVersion: 2
   iconMap: {}
   executionOrder: {}
   isPreloaded: 0
+  isOverridable: 0
   platformData:
-    Any:
-      enabled: 1
-      settings: {}
-    Editor:
-      enabled: 0
-      settings:
-        CPU: AnyCPU
-        DefaultValueInitialized: true
-        OS: AnyOS
-    Linux:
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-    LinuxUniversal:
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-      settings:
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-    OSXIntel64:
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-    OSXUniversal:
-      enabled: 0
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-        CPU: None
-    Win:
-      enabled: 0
-      settings:
-        CPU: AnyCPU
-    Win64:
-      enabled: 1
-      settings:
-        CPU: AnyCPU
+    data:
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+          Exclude Editor: 0
+          Exclude Linux: 0
+          Exclude Linux64: 0
+          Exclude LinuxUniversal: 0
+          Exclude OSXIntel: 0
+          Exclude OSXIntel64: 0
+          Exclude OSXUniversal: 0
+          Exclude Win: 1
+          Exclude Win64: 0
+    data:
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+    data:
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+        settings:
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+          Exclude Linux: 0
+          Exclude Linux64: 0
+          Exclude LinuxUniversal: 0
+          Exclude OSXIntel: 0
+          Exclude OSXIntel64: 0
+          Exclude OSXUniversal: 0
+          Exclude WebGL: 0
+          Exclude Win: 1
+          Exclude Win64: 0
+    data:
+      first:
+        Editor: Editor
+      second:
+        enabled: 1
+        settings:
+          CPU: x86_64
+          DefaultValueInitialized: true
+          OS: AnyOS
+    data:
+      first:
+        Facebook: WebGL
+      second:
+        enabled: 1
+        settings: {}
+    data:
+      first:
+        Facebook: Win
+      second:
+        enabled: 0
+        settings:
+          CPU: None
+    data:
+      first:
+        Facebook: Win64
+      second:
+        enabled: 1
+        settings:
+          CPU: AnyCPU
+    data:
+      first:
+        Standalone: Linux
+      second:
+        enabled: 1
+        settings:
+          CPU: None
+    data:
+      first:
+        Standalone: Linux64
+      second:
+        enabled: 1
+        settings:
+          CPU: x86_64
+    data:
+      first:
+        Standalone: LinuxUniversal
+      second:
+        enabled: 1
+        settings:
+          CPU: AnyCPU
+    data:
+      first:
+        Standalone: OSXIntel
+      second:
+        enabled: 1
+        settings:
+          CPU: None
+    data:
+      first:
+        Standalone: OSXIntel64
+      second:
+        enabled: 1
+        settings:
+          CPU: AnyCPU
+    data:
+      first:
+        Standalone: OSXUniversal
+      second:
+        enabled: 1
+        settings:
+          CPU: AnyCPU
+    data:
+      first:
+        Standalone: Win
+      second:
+        enabled: 0
+        settings:
+          CPU: None
+    data:
+      first:
+        Standalone: Win64
+      second:
+        enabled: 1
+        settings:
+          CPU: AnyCPU
+    data:
+      first:
+        WebGL: WebGL
+      second:
+        enabled: 1
+        settings: {}
   userData: 
   assetBundleName: 
   assetBundleVariant: 

Assets/uDesktopDuplication/Scripts/Lib.cs

@@ -32,17 +32,18 @@ public enum MonitorRotation
     Rotate270 = 4
 }
 
-public enum MonitorState
+public enum DuplicatorState
 {
     NotSet = -1,
-    Available = 0,
-    InvalidArg = 1,
-    AccessDenied = 2,
-    Unsupported = 3,
-    CurrentlyNotAvailable = 4,
-    SessionDisconnected = 5,
-    AccessLost = 6,
-    TextureSizeInconsistent = 7,
+    Ready = 0,
+    Running = 1,
+    InvalidArg = 2,
+    AccessDenied = 3,
+    Unsupported = 4,
+    CurrentlyNotAvailable = 5,
+    SessionDisconnected = 6,
+    AccessLost = 7,
+    TextureSizeInconsistent = 8,
     Unknown = 999,
 }
 
@@ -112,13 +113,11 @@ public static class Lib
     [DllImport("uDesktopDuplication")]
     public static extern int GetTotalHeight();
     [DllImport("uDesktopDuplication")]
-    public static extern void SetTimeout(int timeout);
-    [DllImport("uDesktopDuplication")]
     public static extern IntPtr GetRenderEventFunc();
     [DllImport("uDesktopDuplication")]
     public static extern int GetId(int id);
     [DllImport("uDesktopDuplication")]
-    public static extern MonitorState GetState(int id);
+    public static extern DuplicatorState GetState(int id);
     [DllImport("uDesktopDuplication")]
     public static extern void GetName(int id, StringBuilder buf, int len);
     [DllImport("uDesktopDuplication")]
@@ -170,9 +169,13 @@ public static class Lib
     [DllImport("uDesktopDuplication", EntryPoint = "GetPixels")]
     private static extern bool GetPixels_Internal(int id, System.IntPtr ptr, int x, int y, int width, int height);
     [DllImport("uDesktopDuplication")]
+    public static extern IntPtr GetBuffer(int id);
+    [DllImport("uDesktopDuplication")]
     public static extern bool HasBeenUpdated(int id);
     [DllImport("uDesktopDuplication")]
     public static extern bool UseGetPixels(int id, bool use);
+    [DllImport("uDesktopDuplication")]
+    public static extern void SetFrameRate(uint frameRate);
 
     public static string GetName(int id)
     {

Assets/uDesktopDuplication/Scripts/Manager.cs

@@ -55,7 +55,6 @@ public class Manager : MonoBehaviour
     [Tooltip("Debug mode is not applied while running.")]
     [SerializeField] DebugMode debugMode = DebugMode.File;
 
-    [SerializeField] int desktopDuplicationApiTimeout = 0;
     [SerializeField] float retryReinitializationDuration = 1f;
 
     private Coroutine renderCoroutine_ = null;
@@ -63,8 +62,13 @@ public class Manager : MonoBehaviour
     private float reinitializationTimer_ = 0f;
     private bool isFirstFrame_ = true;
 
-    public static event Lib.DebugLogDelegate onDebugLog = msg => Debug.Log(msg);
-    public static event Lib.DebugLogDelegate onDebugErr = msg => Debug.LogError(msg);
+    public static event Lib.DebugLogDelegate onDebugLog = OnDebugLog;
+    public static event Lib.DebugLogDelegate onDebugErr = OnDebugErr;
+
+    [AOT.MonoPInvokeCallback(typeof(Lib.DebugLogDelegate))]
+    private static void OnDebugLog(string msg) { Debug.Log(msg); }
+    [AOT.MonoPInvokeCallback(typeof(Lib.DebugLogDelegate))]
+    private static void OnDebugErr(string msg) { Debug.LogError(msg); }
 
     public delegate void ReinitializeHandler();
     public static event ReinitializeHandler onReinitialized;
@@ -97,10 +101,15 @@ public class Manager : MonoBehaviour
         Lib.SetLogFunc(onDebugLog);
         Lib.SetErrorFunc(onDebugErr);
 
-        Lib.SetTimeout(desktopDuplicationApiTimeout);
         Lib.Initialize();
 
         CreateMonitors();
+
+        #if UNITY_2018_1_OR_NEWER
+        Shader.DisableKeyword("USE_GAMMA_TO_LINEAR_SPACE");
+        #else
+        Shader.EnableKeyword("USE_GAMMA_TO_LINEAR_SPACE");
+        #endif
     }
 
     void OnApplicationQuit()
@@ -158,11 +167,11 @@ public class Manager : MonoBehaviour
             var monitor = monitors[i];
             var state = monitor.state;
             if (
-                state == MonitorState.NotSet ||
-                state == MonitorState.AccessLost || 
-                state == MonitorState.AccessDenied ||
-                state == MonitorState.SessionDisconnected ||
-                state == MonitorState.Unknown
+                state == DuplicatorState.NotSet ||
+                state == DuplicatorState.AccessLost || 
+                state == DuplicatorState.AccessDenied ||
+                state == DuplicatorState.SessionDisconnected ||
+                state == DuplicatorState.Unknown
             ) {
                 reinitializeNeeded = true;
                 break;

Assets/uDesktopDuplication/Scripts/Monitor.cs

@@ -11,21 +11,23 @@ public class Monitor
 
         switch (state)
         {
-            case MonitorState.Available:
+            case DuplicatorState.Ready:
                 break;
-            case MonitorState.InvalidArg:
+            case DuplicatorState.Running:
+                break;
+            case DuplicatorState.InvalidArg:
                 Debug.LogErrorFormat("[uDD] {0}:{1} => Invalid.", id, name);
                 break;
-            case MonitorState.AccessDenied:
+            case DuplicatorState.AccessDenied:
                 Debug.LogWarningFormat("[uDD] {0}:{1} => Access Denied.", id, name);
                 break;
-            case MonitorState.Unsupported:
+            case DuplicatorState.Unsupported:
                 Debug.LogWarningFormat("[uDD] {0}:{1} => Unsupported.", id, name);
                 break;
-            case MonitorState.SessionDisconnected:
+            case DuplicatorState.SessionDisconnected:
                 Debug.LogWarningFormat("[uDD] {0}:{1} => Disconnected.", id, name);
                 break;
-            case MonitorState.NotSet:
+            case DuplicatorState.NotSet:
                 Debug.LogErrorFormat("[uDD] {0}:{1} => Something wrong.", id, name);
                 break;
             default:
@@ -53,14 +55,19 @@ public class Monitor
         get { return id < Manager.monitorCount; } 
     }
 
-    public MonitorState state
+    public DuplicatorState state
     {
         get { return Lib.GetState(id); }
     }
 
     public bool available
     {
-        get { return state == MonitorState.Available; }
+        get 
+        { 
+            return 
+                state == DuplicatorState.Ready || 
+                state == DuplicatorState.Running; 
+        }
     }
 
     public string name
@@ -231,6 +238,11 @@ public class Monitor
         get { return Lib.GetDirtyRects(id); }
     }
 
+    public System.IntPtr buffer
+    {
+        get { return Lib.GetBuffer(id); }
+    }
+
     public bool hasBeenUpdated
     {
         get { return Lib.HasBeenUpdated(id); }

Assets/uDesktopDuplication/Scripts/Texture.cs

@@ -73,7 +73,7 @@ public class Texture : MonoBehaviour
         {
             return monitor.rotation;
         }
-        set
+        private set
         {
             switch (value)
             {
@@ -114,6 +114,7 @@ public class Texture : MonoBehaviour
         }
         set
         {
+            useClip_ = value;
             if (useClip_) {
                 material.EnableKeyword("USE_CLIP");
             } else {
@@ -239,6 +240,13 @@ public class Texture : MonoBehaviour
         }
     }
 
+    int clipPositionScaleKey_;
+
+    void Awake()
+    {
+        clipPositionScaleKey_ = Shader.PropertyToID("_ClipPositionScale");
+    }
+
     void OnEnable()
     {
         if (monitor == null) {
@@ -270,7 +278,9 @@ public class Texture : MonoBehaviour
 
     void RequireUpdate()
     {
-        monitor.shouldBeUpdated = true;
+        if (monitor != null) {
+            monitor.shouldBeUpdated = true;
+        }
     }
 
     void Reinitialize()
@@ -282,8 +292,17 @@ public class Texture : MonoBehaviour
     void UpdateMaterial()
     {
         width = transform.localScale.x;
-        rotation = monitor.rotation;
-        material.SetVector("_ClipPositionScale", new Vector4(clipPos.x, clipPos.y, clipScale.x, clipScale.y));
+
+        if (monitor != null) {
+            rotation = monitor.rotation;
+        }
+
+        material.SetVector(clipPositionScaleKey_, new Vector4(clipPos.x, clipPos.y, clipScale.x, clipScale.y));
+    }
+
+    public Vector3 GetWorldPositionFromCoord(Vector2 coord)
+    {
+        return GetWorldPositionFromCoord((int)coord.x, (int)coord.y);
     }
 
     public Vector3 GetWorldPositionFromCoord(int u, int v)
@@ -307,6 +326,132 @@ public class Texture : MonoBehaviour
         // To world position
         return transform.position + (transform.rotation * localPos);
     }
+
+    public struct RayCastResult
+    {
+        public bool hit;
+        public Texture texture;
+        public Vector3 position;
+        public Vector3 normal;
+        public Vector2 coords;
+        public Vector2 desktopCoord;
+    }
+
+    static readonly RayCastResult raycastFailedResult = new RayCastResult {
+        hit          = false,
+        texture      = null,
+        position     = Vector3.zero,
+        normal       = Vector3.forward,
+        coords       = Vector2.zero,
+        desktopCoord = Vector2.zero,
+    };
+
+    // This function can be used only for vertical (= MeshForwardDirection.Z) plane.
+    public RayCastResult RayCast(Vector3 from, Vector3 dir)
+    {
+        var r = radius;
+        var center = transform.position - transform.forward * r;
+
+        // Localize the start point of the ray and the direction.
+        var trs = Matrix4x4.TRS(center, transform.rotation, Vector3.one);
+        var invTrs = trs.inverse;
+        Vector3 localFrom = invTrs.MultiplyPoint3x4(from);
+        Vector3 localDir = invTrs.MultiplyVector(dir).normalized;
+
+        // Calculate the intersection points of circle and line on the X-Z plane.
+        var a = localDir.z / localDir.x;
+        var b = localFrom.z - a * localFrom.x;
+
+        var aa = a * a;
+        var bb = b * b;
+        var ab = a * b;
+        var rr = r * r;
+
+        var s = aa * rr - bb + rr;
+        if (s < 0f) {
+            return raycastFailedResult;
+        }
+        s = Mathf.Sqrt(s);
+
+        var t = aa + 1;
+
+        var lx0 = (-s - ab) / t;
+        var lz0 = (b - a * s) / t;
+        var to0 = new Vector3(lx0, 0f, lz0);
+
+        var lx1 = (s - ab) / t;
+        var lz1 = (a * s + b) / t;
+        var to1 = new Vector3(lx1, 0f, lz1);
+
+        var to = (Vector3.Dot(localDir, to0) > 0f) ? to0 : to1;
+
+        // Check if the point is inner angle of mesh width.
+        var toAngle = Mathf.Atan2(to.x, to.z);
+        var halfWidthAngle = (worldWidth / radius) * 0.5f;
+        if (Mathf.Abs(toAngle) > halfWidthAngle) {
+            return raycastFailedResult;
+        }
+
+        // Calculate the intersection points on XZ-Y plane.
+        var v = to - localFrom;
+        var l = Mathf.Sqrt(Mathf.Pow(v.x, 2f) + Mathf.Pow(v.z, 2f));
+        var ly = localFrom.y + l * localDir.y / Mathf.Sqrt(Mathf.Pow(localDir.x, 2f) + Mathf.Pow(localDir.z, 2f));
+
+        // Check if the point is inner mesh height.
+        var halfHeight = worldHeight * 0.5f;
+        if (Mathf.Abs(ly) > halfHeight) {
+            return raycastFailedResult;
+        }
+
+        // Check hit position is in the range of the ray.
+        to.y = ly;
+        var hitPos = trs.MultiplyPoint(to);
+
+        if ((hitPos - from).magnitude > dir.magnitude) {
+            return raycastFailedResult;
+        }
+
+        // Calculate coordinates.
+        var coordX = toAngle / halfWidthAngle * 0.5f;
+        var coordY = ly / halfHeight * 0.5f;
+
+        // Zoom
+        if (useClip) {
+            coordX = clipPos.x + (0.5f + coordX) * clipScale.x;
+            coordX -= Mathf.Floor(coordX);
+            coordX -= 0.5f;
+
+            coordY = (1f - clipPos.y) + (coordY - 0.5f) * clipScale.y;
+            coordY -= Mathf.Floor(coordY);
+            coordY -= 0.5f;
+        }
+
+        // Desktop position
+        int desktopX = monitor.left + (int)((coordX + 0.5f) * monitor.width);
+        int desktopY = monitor.top + (int)((0.5f - coordY) * monitor.height);
+
+        // Calculate normal.
+        var normal = new Vector3(-to.x, 0f, -to.z);
+
+        // Result
+        return new RayCastResult {
+            hit = true,
+            texture = this,
+            position = trs.MultiplyPoint(to),
+            normal = trs.MultiplyVector(normal).normalized,
+            coords = new Vector2(coordX, coordY),
+            desktopCoord = new Vector2(desktopX, desktopY)
+        };
+    }
+
+    public static RayCastResult RayCastAll(Vector3 from, Vector3 dir)
+    {
+        foreach (var uddTexture in GameObject.FindObjectsOfType<uDesktopDuplication.Texture>()) {
+            var result = uddTexture.RayCast(from, dir);
+            if (result.hit) return result;
+        }
+        return raycastFailedResult;
+    }
 }
 
 }

Assets/uDesktopDuplication/Shaders/uDD_Common.cginc

@@ -58,9 +58,11 @@ inline float2 uddClipUV(float2 uv)
 
 inline void uddConvertToLinearIfNeeded(inout fixed3 rgb)
 {
+#ifdef USE_GAMMA_TO_LINEAR_SPACE
     if (!IsGammaSpace()) {
         rgb = GammaToLinearSpace(rgb);
     }
+#endif
 }
 
 inline fixed4 uddGetTexture(sampler2D tex, float2 uv)
@@ -95,9 +97,9 @@ inline void uddBendVertex(inout float3 v, half radius, half width, half thicknes
     v.x = radius * sin(angle) / width;
 #else
     #ifdef _FORWARD_Z
-    v.y *= thickness;
-    #elif _FORWARD_Y
     v.z *= thickness;
+    #elif _FORWARD_Y
+    v.y *= thickness;
     #endif
 #endif
 }

Assets/uDesktopDuplication/Shaders/uDD_Standard.shader

@@ -31,6 +31,7 @@ SubShader
     #pragma multi_compile ___ USE_CLIP
     #pragma multi_compile ___ BEND_ON
     #pragma multi_compile _FORWARD_Y _FORWARD_Z
+    #pragma multi_compile ___ USE_GAMMA_TO_LINEAR_SPACE
 
     #define SURFACE_SHADER
     #include "./uDD_Common.cginc"
@@ -43,6 +44,7 @@ SubShader
 
     void vert(inout appdata_full v)
     {
+        uddBendNormal(v.vertex.x, v.normal, _Radius, _Width);
         uddBendVertex(v.vertex.xyz, _Radius, _Width, _Thickness);
     }
 

Assets/uDesktopDuplication/Shaders/uDD_Unlit.shader

@@ -55,6 +55,7 @@ Pass
     #pragma multi_compile ___ USE_CLIP
     #pragma multi_compile ___ BEND_ON
     #pragma multi_compile _FORWARD_Y _FORWARD_Z
+    #pragma multi_compile ___ USE_GAMMA_TO_LINEAR_SPACE
     ENDCG
 }
 

Assets/uDesktopDuplication/Shaders/uDD_Unlit_BlackMask.shader

@@ -61,6 +61,7 @@ Pass
     #pragma multi_compile ___ USE_CLIP
     #pragma multi_compile ___ BEND_ON
     #pragma multi_compile _FORWARD_Y _FORWARD_Z
+    #pragma multi_compile ___ USE_GAMMA_TO_LINEAR_SPACE
     ENDCG
 }
 

Assets/uDesktopDuplication/Shaders/uDD_Unlit_Displacement.shader

@@ -142,7 +142,7 @@ DsOutput domain(
     float disp = length(_DispTex.SampleLevel(sampler_DispTex, o.f2TexCoord, 0)) * _DispFactor;
     f3Position.xyz += f3Normal * disp;
 
-    o.f4Position = mul(UNITY_MATRIX_MVP, float4(f3Position.xyz, 1.0));
+    o.f4Position = UnityObjectToClipPos(float4(f3Position.xyz, 1.0));
         
     return o;
 }
@@ -168,6 +168,7 @@ Pass
     #pragma multi_compile ___ USE_CLIP
     #pragma multi_compile ___ BEND_ON
     #pragma multi_compile _FORWARD_Y _FORWARD_Z
+    #pragma multi_compile ___ USE_GAMMA_TO_LINEAR_SPACE
     ENDCG
 }
 

Assets/uDesktopDuplication/Shaders/uDD_Unlit_Transparent.shader

@@ -57,6 +57,7 @@ Pass
     #pragma multi_compile ___ USE_CLIP
     #pragma multi_compile ___ BEND_ON
     #pragma multi_compile _FORWARD_Y _FORWARD_Z
+    #pragma multi_compile ___ USE_GAMMA_TO_LINEAR_SPACE
     ENDCG
 }
 

Plugins/uDesktopDuplication/uDesktopDuplication.def

@@ -0,0 +1,5 @@
+LIBRARY
+
+EXPORTS
+    UnityPluginLoad
+    UnityPluginUnload

Plugins/uDesktopDuplication/uDesktopDuplication.sln

@@ -0,0 +1,34 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 14
+VisualStudioVersion = 14.0.25420.1
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "uDesktopDuplication", "uDesktopDuplication\uDesktopDuplication.vcxproj", "{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}.Debug|Win32.ActiveCfg = Debug|Win32
+		{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}.Debug|Win32.Build.0 = Debug|Win32
+		{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}.Debug|x64.ActiveCfg = Debug|x64
+		{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}.Debug|x64.Build.0 = Debug|x64
+		{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}.Debug|x86.ActiveCfg = Debug|Win32
+		{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}.Debug|x86.Build.0 = Debug|Win32
+		{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}.Release|Win32.ActiveCfg = Release|Win32
+		{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}.Release|Win32.Build.0 = Release|Win32
+		{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}.Release|x64.ActiveCfg = Release|x64
+		{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}.Release|x64.Build.0 = Release|x64
+		{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}.Release|x86.ActiveCfg = Release|Win32
+		{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

Plugins/uDesktopDuplication/uDesktopDuplication/Common.cpp

@@ -6,15 +6,40 @@
 #include "IUnityInterface.h"
 #include "IUnityGraphicsD3D11.h"
 #include "Common.h"
+#include "Debug.h"
 
 using namespace Microsoft::WRL;
 
 
+
 extern IUnityInterfaces* g_unity;
 extern std::unique_ptr<MonitorManager> g_manager;
 extern std::queue<Message> g_messages;
 
 
+void OutputWindowsInformation()
+{
+	const auto hModule = ::LoadLibrary(TEXT("ntdll.dll"));
+	if (!hModule) return;
+
+    ScopedReleaser freeModule([&] { ::FreeLibrary(hModule); });
+
+	if (const auto address = ::GetProcAddress(hModule, "RtlGetVersion"))
+	{
+		using RtlGetVersionType = NTSTATUS(WINAPI *)(OSVERSIONINFOEXW*);
+		const auto RtlGetVersion = reinterpret_cast<RtlGetVersionType>(address);
+
+		OSVERSIONINFOEXW os = { sizeof(os) };
+		if (!FAILED(RtlGetVersion(&os)))
+		{
+			Debug::Log("OS Version    : ", os.dwMajorVersion, ".", os.dwMinorVersion);
+			Debug::Log("Build Number  : ", os.dwBuildNumber);
+			Debug::Log("Service Pack  : ", os.szCSDVersion);
+		}
+	}
+}
+
+
 IUnityInterfaces* GetUnity()
 {
     return g_unity;
@@ -33,7 +58,47 @@ const std::unique_ptr<MonitorManager>& GetMonitorManager()
 }
 
 
+LUID GetUnityAdapterLuid()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    const auto device = GetDevice();
+
+    Microsoft::WRL::ComPtr<IDXGIDevice1> dxgiDevice;
+    if (FAILED(device->QueryInterface(IID_PPV_ARGS(&dxgiDevice)))){
+        Debug::Error("QueryInterface from IUnityGraphicsD3D11 to IDXGIDevice1 failed.");
+        return LUID();
+    }
+
+    Microsoft::WRL::ComPtr<IDXGIAdapter> dxgiAdapter;
+    if (FAILED(dxgiDevice->GetAdapter(&dxgiAdapter))) {
+        Debug::Error("QueryInterface from IDXGIDevice1 to IDXGIAdapter failed.");
+        return LUID();
+    }
+
+    DXGI_ADAPTER_DESC adapterDesc;
+    dxgiAdapter->GetDesc(&adapterDesc);
+
+    return adapterDesc.AdapterLuid;
+}
+
+
 void SendMessageToUnity(Message message)
 {
     g_messages.push(message);
 }
+
+
+ScopedTimer::ScopedTimer(TimerFuncType&& func)
+    : func_(func)
+    , start_(std::chrono::high_resolution_clock::now())
+{
+}
+
+
+ScopedTimer::~ScopedTimer()
+{
+    const auto end = std::chrono::high_resolution_clock::now();
+    const auto time = std::chrono::duration_cast<microseconds>(end - start_);
+    func_(time);
+}

Plugins/uDesktopDuplication/uDesktopDuplication/Common.h

@@ -1,21 +1,61 @@
 #pragma once
 
+#include <functional>
 #include <memory>
+#include <chrono>
 #include <wrl/client.h>
 
 
-// Unity interface and ID3D11Device getters
+
+// Output windows version
+void OutputWindowsInformation();
+
+// Unity interface getter
 struct IUnityInterfaces;
 IUnityInterfaces* GetUnity();
 
+// ID3D11Device (in Unity) getter
 struct ID3D11Device;
 Microsoft::WRL::ComPtr<ID3D11Device> GetDevice();
 
-
 // Manager getter
 class MonitorManager;
 const std::unique_ptr<MonitorManager>& GetMonitorManager();
 
+// Get adapter LUID to check the adapter of the monitor is same as Unity one.
+LUID GetUnityAdapterLuid();
+
+
+
+// Releaser
+class ScopedReleaser
+{
+public:
+    using ReleaseFuncType = std::function<void()>;
+    ScopedReleaser(ReleaseFuncType&& func) : func_(func) {}
+    ~ScopedReleaser() { func_(); }
+
+private:
+    const ReleaseFuncType func_;
+};
+
+
+
+// Timer
+class ScopedTimer
+{
+public:
+    using microseconds = std::chrono::microseconds;
+    using TimerFuncType = std::function<void(microseconds)>;
+    ScopedTimer(TimerFuncType&& func);
+    ~ScopedTimer();
+
+private:
+    const TimerFuncType func_;
+    const std::chrono::time_point<std::chrono::steady_clock> start_;
+};
+
+
 
 // Message is pooled and fetch from Unity.
 enum class Message
@@ -28,13 +68,44 @@ enum class Message
 void SendMessageToUnity(Message message);
 
 
+
 // Buffer
 template <class T>
 class Buffer
 {
 public:
-    Buffer() {}
-    ~Buffer() {}
+    Buffer() 
+    {
+    }
+
+    Buffer(const Buffer& other)
+    {
+        value_.reset();
+        size_ = 0;
+        ExpandIfNeeded(other.size_);
+        memcpy_s(value_.get(), size_, other.value_.get(), other.size_);
+    }
+
+    Buffer<T>& operator=(const Buffer& other)
+    {
+        if (&other == this) return *this;
+
+        value_.reset();
+        size_ = 0;
+        ExpandIfNeeded(other.size_);
+        memcpy_s(value_.get(), size_, other.value_.get(), other.size_);
+
+        return *this;
+    }
+
+    ~Buffer() 
+    {
+    }
+
+    bool Empty() const
+    {
+        return !value_;
+    }
 
     void ExpandIfNeeded(UINT size)
     {

Plugins/uDesktopDuplication/uDesktopDuplication/Cursor.cpp

@@ -1,13 +1,14 @@
 #include <d3d11.h>
-#include <wrl/client.h>
-#include "Debug.h"
-#include "MonitorManager.h"
-#include "Monitor.h"
+
 #include "Cursor.h"
+#include "Debug.h"
+#include "Monitor.h"
+#include "Duplicator.h"
 
 using namespace Microsoft::WRL;
 
 
+
 Cursor::Cursor()
 {
 }
@@ -18,19 +19,16 @@ Cursor::~Cursor()
 }
 
 
-void Cursor::UpdateBuffer(Monitor* monitor, const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
+void Cursor::UpdateBuffer(Duplicator* duplicator, const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
 {
+    UDD_FUNCTION_SCOPE_TIMER
+
     if (frameInfo.LastMouseUpdateTime.QuadPart == 0)
     {
         return;
     }
 
     isVisible_ = frameInfo.PointerPosition.Visible != 0;
-    if (isVisible_) 
-    {
-        GetMonitorManager()->SetCursorMonitorId(monitor->GetId());
-    }
-
     x_ = frameInfo.PointerPosition.Position.x;
     y_ = frameInfo.PointerPosition.Position.y;
     timestamp_ = frameInfo.LastMouseUpdateTime;
@@ -49,7 +47,7 @@ void Cursor::UpdateBuffer(Monitor* monitor, const DXGI_OUTDUPL_FRAME_INFO& frame
     // Get mouse pointer information
     UINT bufferSize;
     DXGI_OUTDUPL_POINTER_SHAPE_INFO shapeInfo;
-    const auto hr = monitor->GetDeskDupl()->GetFramePointerShape(
+    const auto hr = duplicator->GetDuplication()->GetFramePointerShape(
         buffer_.Size(),
         buffer_.Get(),
         &bufferSize,
@@ -66,12 +64,18 @@ void Cursor::UpdateBuffer(Monitor* monitor, const DXGI_OUTDUPL_FRAME_INFO& frame
 }
 
 
-void Cursor::Draw(Monitor* monitor)
+void Cursor::UpdateTexture(
+    Duplicator* duplicator, 
+    const ComPtr<ID3D11Texture2D>& desktopTexture)
 {
+    UDD_FUNCTION_SCOPE_TIMER
+
+    auto monitor = duplicator->GetMonitor();
+
     // Check desktop texure
-    if (monitor->GetUnityTexture() == nullptr) 
+    if (desktopTexture == nullptr) 
     {
-        Debug::Error("Cursor::UpdateTexture() => Monitor::GetUnityTexture() is null.");
+        Debug::Error("Cursor::UpdateTexture() => Desktop texture is null.");
         return;
     }
 
@@ -97,6 +101,7 @@ void Cursor::Draw(Monitor* monitor)
     // Check buffers
     if (!bgraBuffer_ || !buffer_) 
     {
+        Debug::Error("Cursor::UpdateTexture() => no buffer.");
         return;
     }
 
@@ -193,7 +198,7 @@ void Cursor::Draw(Monitor* monitor)
         return;
     }
 
-    D3D11_BOX capturedImageArea 
+    capturedImageArea_ = D3D11_BOX 
     { 
         static_cast<UINT>(capturedImageLeft), 
         static_cast<UINT>(capturedImageTop),
@@ -219,7 +224,7 @@ void Cursor::Draw(Monitor* monitor)
         desc.CPUAccessFlags     = D3D11_CPU_ACCESS_READ;
         desc.MiscFlags          = 0;
 
-        if (FAILED(GetDevice()->CreateTexture2D(&desc, nullptr, &texture)))
+        if (FAILED(duplicator->GetDevice()->CreateTexture2D(&desc, nullptr, &texture)))
         {
             Debug::Error("Cursor::UpdateTexture() => GetDevice()->CreateTexture2D() failed.");
             return;
@@ -229,8 +234,8 @@ void Cursor::Draw(Monitor* monitor)
     // Copy desktop image to the texture
     {
         ComPtr<ID3D11DeviceContext> context;
-        GetDevice()->GetImmediateContext(&context);
-        context->CopySubresourceRegion(texture.Get(), 0, 0, 0, 0, monitor->GetUnityTexture(), 0, &capturedImageArea);
+        duplicator->GetDevice()->GetImmediateContext(&context);
+        context->CopySubresourceRegion(texture.Get(), 0, 0, 0, 0, desktopTexture.Get(), 0, &capturedImageArea_);
     }
 
     // Get mapped surface to access pixels in CPU
@@ -358,12 +363,6 @@ void Cursor::Draw(Monitor* monitor)
         }
     }
 
-    {
-        ComPtr<ID3D11DeviceContext> context;
-        GetDevice()->GetImmediateContext(&context);
-        context->UpdateSubresource(monitor->GetUnityTexture(), 0, &capturedImageArea, bgraBuffer_.Get(), capturedImageWidth * 4, 0);
-    }
-
     if (FAILED(surface->Unmap()))
     {
         Debug::Error("Cursor::UpdateTexture() => surface->Unmap() failed.");
@@ -372,8 +371,27 @@ void Cursor::Draw(Monitor* monitor)
 }
 
 
+void Cursor::Draw(const Microsoft::WRL::ComPtr<ID3D11Texture2D>& texture)
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    if (texture == nullptr) 
+    {
+        Debug::Error("Cursor::UpdateTexture() => Desktop texture is null.");
+        return;
+    }
+
+    const auto capturedImageWidth = capturedImageArea_.right - capturedImageArea_.left;
+    ComPtr<ID3D11DeviceContext> context;
+    GetDevice()->GetImmediateContext(&context);
+    context->UpdateSubresource(texture.Get(), 0, &capturedImageArea_, bgraBuffer_.Get(), capturedImageWidth * 4, 0);
+}
+
+
 void Cursor::GetTexture(ID3D11Texture2D* texture)
 {
+    UDD_FUNCTION_SCOPE_TIMER
+
     if (!bgraBuffer_)
     {
         Debug::Error("Cursor::GetTexture() => bgra32Buffer is null.");

Plugins/uDesktopDuplication/uDesktopDuplication/Cursor.h

@@ -2,18 +2,25 @@
 
 #include <d3d11.h>
 #include <dxgi1_2.h>
+#include <wrl/client.h>
 #include <memory>
+
 #include "Common.h"
 
-class Monitor;
+class Duplicator;
 
 class Cursor
 {
 public:
     explicit Cursor();
     ~Cursor();
-    void UpdateBuffer(Monitor* monitor, const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
-    void Draw(Monitor* monitor);
+    void UpdateBuffer(
+        Duplicator* duplicator, 
+        const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
+    void UpdateTexture(
+        Duplicator* duplicator,
+        const Microsoft::WRL::ComPtr<ID3D11Texture2D>& desktopTexture);
+    void Draw(const Microsoft::WRL::ComPtr<ID3D11Texture2D>& texture);
     void GetTexture(ID3D11Texture2D* texture);
 
     bool IsVisible() const;
@@ -32,4 +39,5 @@ private:
     Buffer<BYTE> bgraBuffer_;
     DXGI_OUTDUPL_POINTER_SHAPE_INFO shapeInfo_;
     LARGE_INTEGER timestamp_;
+    D3D11_BOX capturedImageArea_;
 };

Plugins/uDesktopDuplication/uDesktopDuplication/Debug.cpp

@@ -4,12 +4,14 @@
 #include "Debug.h"
 
 
+
 decltype(Debug::isInitialized_) Debug::isInitialized_ = false;
 decltype(Debug::mode_)          Debug::mode_ = Debug::Mode::File;
 decltype(Debug::logFunc_)       Debug::logFunc_ = nullptr;
 decltype(Debug::errFunc_)       Debug::errFunc_ = nullptr;
 decltype(Debug::fs_)            Debug::fs_;
 decltype(Debug::ss_)            Debug::ss_;
+decltype(Debug::mutex_)         Debug::mutex_;
 
 
 void Debug::Initialize()
@@ -37,4 +39,18 @@ void Debug::Finalize()
     }
     Debug::SetLogFunc(nullptr);
     Debug::SetErrorFunc(nullptr);
+}
+
+
+decltype(DebugFunctionScopedTimer::currentId) DebugFunctionScopedTimer::currentId = 0;
+
+
+DebugFunctionScopedTimer::DebugFunctionScopedTimer(const char* name)
+    : ScopedTimer([this](std::chrono::microseconds us) { 
+        Debug::Log("<< [", id_, "]", name_,  " : ", us.count(), "[us]"); 
+    })
+    , name_(name)
+    , id_(currentId++)
+{
+    Debug::Log(">> [", id_, "]", name_);
 }

Plugins/uDesktopDuplication/uDesktopDuplication/Debug.h

@@ -1,9 +1,20 @@
 #pragma once
+
 #include <time.h>
 #include <fstream>
 #include <sstream>
+#include <mutex>
+
+#include "Common.h"
 #include "IUnityInterface.h"
 
+
+// Debug flag
+#ifdef _DEBUG
+#define UDD_DEBUG_ON
+#endif
+
+
 // Logging
 class Debug
 {
@@ -31,12 +42,24 @@ private:
     };
 
     template <class T>
-    static void Output(T&& arg)
+    static void Output(const T& arg)
     {
         if (mode_ == Mode::None) return;
         if (ss_.good())
         {
-            ss_ << std::forward<T>(arg);
+            ss_ << arg;
+        }
+    }
+
+    static void Output(const WCHAR* arg)
+    {
+        if (mode_ == Mode::None) return;
+        if (ss_.good())
+        {
+            char buf[256];
+            size_t size;
+            wcstombs_s(&size, buf, arg, 256);
+            ss_ << buf;
         }
     }
 
@@ -80,10 +103,10 @@ private:
     }
 
     template <class Arg, class... RestArgs>
-    static void _Log(Level level, Arg&& arg, RestArgs&&... restArgs)
+    static void _Log(Level level, const Arg& arg, const RestArgs&... restArgs)
     {
-        Output(std::forward<Arg>(arg));
-        _Log(level, std::forward<RestArgs>(restArgs)...);
+        Output(arg);
+        _Log(level, restArgs...);
     }
 
     static void _Log(Level level)
@@ -107,6 +130,7 @@ public:
     template <class Arg, class... RestArgs>
     static void Log(Arg&& arg, RestArgs&&... restArgs)
     {
+        std::lock_guard<std::mutex> lock(mutex_);
         Output("[uDD::Log]");
         OutputTime();
         Output(" ");
@@ -116,6 +140,7 @@ public:
     template <class Arg, class... RestArgs>
     static void Error(Arg&& arg, RestArgs&&... restArgs)
     {
+        std::lock_guard<std::mutex> lock(mutex_);
         Output("[uDD::Err]");
         OutputTime();
         Output(" ");
@@ -129,4 +154,31 @@ private:
     static std::ostringstream ss_;
     static DebugLogFuncPtr logFunc_;
     static DebugLogFuncPtr errFunc_;
-};
+    static std::mutex mutex_;
+};
+
+
+class DebugFunctionScopedTimer : public ScopedTimer
+{
+public:
+    explicit DebugFunctionScopedTimer(const char* name);
+
+private:
+    static unsigned int currentId;
+    const char* const name_;
+    const unsigned int id_;
+};
+
+
+#ifdef UDD_DEBUG_ON
+#define UDD_FUNCTION_SCOPE_TIMER \
+    DebugFunctionScopedTimer _timer_##__COUNTER__(__FUNCTION__);
+#define UDD_SCOPE_TIMER(Name) \
+    ScopedTimer _timer_##__COUNTER__([](std::chrono::microseconds us) \
+    { \
+        Debug::Log(#Name, " : ", us.count(), " [us]"); \
+    });
+#else
+#define UDD_FUNCTION_SCOPE_TIMER
+#define UDD_SCOPE_TIMER(Name)
+#endif

Plugins/uDesktopDuplication/uDesktopDuplication/Device.cpp

@@ -0,0 +1,101 @@
+#pragma once
+
+#include <queue>
+#include <d3d11.h>
+
+#include "IUnityInterface.h"
+#include "IUnityGraphicsD3D11.h"
+#include "Device.h"
+#include "Debug.h"
+#include "Common.h"
+
+#pragma comment(lib, "d3d11.lib")
+
+using namespace Microsoft::WRL;
+
+
+
+IsolatedD3D11Device::IsolatedD3D11Device()
+{
+}
+
+
+IsolatedD3D11Device::~IsolatedD3D11Device()
+{
+}
+
+
+HRESULT IsolatedD3D11Device::Create(const ComPtr<IDXGIAdapter>& adapter)
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    const auto driverType = adapter ? 
+        D3D_DRIVER_TYPE_UNKNOWN : 
+        D3D_DRIVER_TYPE_HARDWARE;
+    const auto flags =
+        D3D11_CREATE_DEVICE_BGRA_SUPPORT;       // D2D Compatible
+        // | D3D11_CREATE_DEVICE_VIDEO_SUPPORT  // MediaFoundation
+    const D3D_FEATURE_LEVEL featureLevelsRequested[] = 
+    {
+        D3D_FEATURE_LEVEL_11_0, 
+        D3D_FEATURE_LEVEL_10_1,
+        D3D_FEATURE_LEVEL_10_0, 
+        D3D_FEATURE_LEVEL_9_3,
+        D3D_FEATURE_LEVEL_9_2, 
+        D3D_FEATURE_LEVEL_9_1 
+    };
+    const UINT numLevelsRequested = sizeof(featureLevelsRequested) / sizeof(D3D_FEATURE_LEVEL);
+    D3D_FEATURE_LEVEL featureLevelsSupported;
+
+    return D3D11CreateDevice(
+        adapter.Get(),
+        driverType,
+        nullptr,
+        flags,
+        featureLevelsRequested,
+        numLevelsRequested,
+        D3D11_SDK_VERSION,
+        &device_,
+        &featureLevelsSupported,
+        nullptr);
+}
+
+
+ComPtr<ID3D11Device> IsolatedD3D11Device::GetDevice()
+{ 
+    return device_;
+}
+
+
+Microsoft::WRL::ComPtr<ID3D11Texture2D> IsolatedD3D11Device::GetCompatibleSharedTexture(
+    const ComPtr<ID3D11Texture2D>& src)
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    D3D11_TEXTURE2D_DESC srcDesc;
+    src->GetDesc(&srcDesc);
+
+    // check if the format and size of the current texture are same as the source one
+    if (cachedSharedTexture_) 
+    {
+        D3D11_TEXTURE2D_DESC targetDesc;
+        cachedSharedTexture_->GetDesc(&targetDesc);
+        if (targetDesc.Format == srcDesc.Format && 
+            targetDesc.Width  == srcDesc.Width  && 
+            targetDesc.Height == srcDesc.Height)
+        {
+            return cachedSharedTexture_;
+        }
+    }
+
+    // for sharing this texture with unity device
+    srcDesc.MiscFlags = D3D11_RESOURCE_MISC_SHARED;
+
+    if (FAILED(device_->CreateTexture2D(&srcDesc, nullptr, &cachedSharedTexture_)))
+    {
+        Debug::Error("IsolatedD3D11Device::GetCompatibleSharedTexture() => Creating shared texture failed.");
+        return nullptr;
+    }
+
+    return cachedSharedTexture_;
+}

Plugins/uDesktopDuplication/uDesktopDuplication/Device.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <atomic>
+#include <vector>
+#include <memory>
+#include <d3d11.h>
+#include <wrl/client.h>
+
+
+// Thraed safe self created ID3D11Device from specified adapter
+class IsolatedD3D11Device
+{
+public:
+    IsolatedD3D11Device();
+    ~IsolatedD3D11Device();
+
+    HRESULT Create(const Microsoft::WRL::ComPtr<IDXGIAdapter>& adapter);
+    Microsoft::WRL::ComPtr<ID3D11Device> GetDevice();
+    Microsoft::WRL::ComPtr<ID3D11Texture2D> GetCompatibleSharedTexture(
+        const Microsoft::WRL::ComPtr<ID3D11Texture2D>& src);
+
+private:
+    Microsoft::WRL::ComPtr<ID3D11Device> device_;
+    Microsoft::WRL::ComPtr<ID3D11Texture2D> cachedSharedTexture_;
+};

Plugins/uDesktopDuplication/uDesktopDuplication/Duplicator.cpp

@@ -0,0 +1,480 @@
+#pragma once
+
+#include <chrono>
+
+#include "Duplicator.h"
+#include "Monitor.h"
+#include "MonitorManager.h"
+#include "Cursor.h"
+#include "Device.h"
+#include "Debug.h"
+
+#include "IUnityInterface.h"
+#include "IUnityGraphicsD3D11.h"
+
+using namespace Microsoft::WRL;
+
+
+
+Duplicator::Duplicator(Monitor* monitor)
+    : monitor_(monitor)
+{
+    InitializeDevice();
+    InitializeDuplication();
+    CheckUnityAdapter();
+}
+
+
+Duplicator::~Duplicator()
+{
+    Stop();
+}
+
+
+void Duplicator::InitializeDevice()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    device_ = std::make_shared<IsolatedD3D11Device>();
+
+    if (FAILED(device_->Create(monitor_->GetAdapter())))
+    {
+        Debug::Error("Monitor::Initialize() => IsolatedD3D11Device::Create() failed.");
+        state_ = State::Unknown;
+    }
+}
+
+
+void Duplicator::InitializeDuplication()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+	ComPtr<IDXGIOutput1> output1;
+	if (FAILED(monitor_->GetOutput().As(&output1))) 
+    {
+		return;
+	}
+
+	auto hr = output1->DuplicateOutput(device_->GetDevice().Get(), &dupl_);
+	switch (hr)
+	{
+		case S_OK:
+		{
+			state_ = State::Ready;
+			Debug::Log("Duplicator::Initialize() => OK.");
+			break;
+		}
+		case E_INVALIDARG:
+		{
+			state_ = State::InvalidArg;
+			Debug::Error("Duplicator::Initialize() => Invalid arguments.");
+			break;
+		}
+		case E_ACCESSDENIED:
+		{
+			// For example, when the user presses Ctrl + Alt + Delete and the screen
+			// switches to admin screen, this error occurs. 
+			state_ = State::AccessDenied;
+			Debug::Error("Duplicator::Initialize() => Access denied.");
+			break;
+		}
+		case DXGI_ERROR_UNSUPPORTED:
+		{
+			// If the display adapter on the computer is running under the Microsoft Hybrid system,
+			// this error occurs.
+			state_ = State::Unsupported;
+			Debug::Error("Duplicator::Initialize() => Unsupported display.");
+			break;
+		}
+		case DXGI_ERROR_NOT_CURRENTLY_AVAILABLE:
+		{
+			// When other application use Desktop Duplication API, this error occurs.
+			state_ = State::CurrentlyNotAvailable;
+			Debug::Error("Duplicator::Initialize() => Currently not available.");
+			break;
+		}
+		case DXGI_ERROR_SESSION_DISCONNECTED:
+		{
+			state_ = State::SessionDisconnected;
+			Debug::Error("Duplicator::Initialize() => Session disconnected.");
+			break;
+		}
+		default:
+		{
+			state_ = State::Unknown;
+			Debug::Error("Duplicator::Render() => Unknown Error.");
+			break;
+		}
+	}
+}
+
+
+void Duplicator::CheckUnityAdapter()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    DXGI_ADAPTER_DESC desc;
+    monitor_->GetAdapter()->GetDesc(&desc);
+
+    const auto unityAdapterLuid = GetUnityAdapterLuid();
+    const auto isUnityAdapter =
+        (desc.AdapterLuid.LowPart  == unityAdapterLuid.LowPart) &&
+        (desc.AdapterLuid.HighPart == unityAdapterLuid.HighPart);
+
+    if (!isUnityAdapter)
+    {
+        Debug::Error("Duplicator::CheckUnityAdapter() => The adapter is not same as Unity, and now this case is not supported.");
+        state_ = State::Unsupported;
+    }
+}
+
+
+void Duplicator::Start()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    if (state_ != State::Ready) return;
+
+    Stop();
+
+    thread_ = std::thread([this] 
+    {
+        using namespace std::chrono;
+
+        state_ = State::Running;
+
+        shouldRun_ = true;
+        while (shouldRun_)
+        {
+            const auto frameRate = GetMonitorManager()->GetFrameRate();
+            const UINT frameMicroSeconds = 1000000 / frameRate;
+            const UINT frameMilliSeconds = 1000 / frameRate;
+
+            ScopedTimer timer([frameMicroSeconds] (microseconds us)
+            {
+                const auto waitTime = microseconds(frameMicroSeconds) - us;
+                if (waitTime > microseconds::zero())
+                {
+                    std::this_thread::sleep_for(waitTime);
+                }
+            });
+
+            const auto timeout = static_cast<UINT>(frameMilliSeconds);
+            Duplicate(timeout);
+
+            if (state_ != State::Running)
+            {
+                break;
+            }
+        }
+
+        if (state_ == State::Running)
+        {
+            state_ = State::Ready;
+        }
+    });
+}
+
+
+void Duplicator::Stop()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    shouldRun_ = false;
+
+    if (thread_.joinable())
+    {
+        thread_.join();
+    }
+}
+
+
+bool Duplicator::IsRunning() const
+{
+    return state_ == State::Running;
+}
+
+
+bool Duplicator::IsError() const
+{
+    return
+        state_ != State::Ready &&
+        state_ != State::Running;
+}
+
+
+Duplicator::State Duplicator::GetState() const
+{
+    return state_;
+}
+
+
+Monitor* Duplicator::GetMonitor() const
+{
+    return monitor_;
+}
+
+
+Microsoft::WRL::ComPtr<ID3D11Device> Duplicator::GetDevice()
+{
+    return device_->GetDevice();
+}
+
+
+ComPtr<IDXGIOutputDuplication> Duplicator::GetDuplication()
+{
+    return dupl_;
+}
+
+
+const Duplicator::Frame& Duplicator::GetLastFrame() const
+{
+    std::lock_guard<std::mutex> lock(mutex_);
+    return lastFrame_;
+}
+
+
+void Duplicator::Duplicate(UINT timeout)
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    if (!dupl_ || !device_) return;
+
+    Release();
+
+    ComPtr<IDXGIResource> resource;
+    DXGI_OUTDUPL_FRAME_INFO frameInfo;
+    const auto hr = dupl_->AcquireNextFrame(timeout, &frameInfo, &resource);
+
+    if (FAILED(hr)) 
+    {
+        switch (hr)
+        {
+            case DXGI_ERROR_ACCESS_LOST:
+            {
+                // If any monitor setting has changed (e.g. monitor size has changed),
+                // it is necessary to re-initialize monitors.
+                Debug::Log("Duplicator::Duplicate() => DXGI_ERROR_ACCESS_LOST.");
+                state_ = State::AccessLost;
+                break;
+            }
+            case DXGI_ERROR_WAIT_TIMEOUT:
+            {
+                // This often occurs when timeout value is small and it is not problem. 
+                // Debug::Log("Duplicator::Duplicate() => DXGI_ERROR_WAIT_TIMEOUT.");
+                break;
+            }
+            case DXGI_ERROR_INVALID_CALL:
+            {
+                Debug::Error("Duplicator::Duplicate() => DXGI_ERROR_INVALID_CALL.");
+                break;
+            }
+            case E_INVALIDARG:
+            {
+                Debug::Error("Duplicator::Duplicate() => E_INVALIDARG.");
+                break;
+            }
+            default:
+            {
+                state_ = State::Unknown;
+                Debug::Error("Duplicator::Duplicate() => Unknown Error.");
+                break;
+            }
+        }
+        return;
+    }
+
+    isFrameAcquired_ = true;
+
+    ComPtr<ID3D11Texture2D> texture;
+    if (FAILED(resource.As(&texture))) 
+    {
+        Debug::Error("Duplicator::Duplicate() => IDXGIResource could not be converted to ID3D11Texture2D.");
+        return;
+    }
+
+    auto sharedTexture = device_->GetCompatibleSharedTexture(texture);
+    if (!sharedTexture)
+    {
+        Debug::Error("Duplicator::Duplicate() => Shared texture is null.");
+        return;
+    }
+
+    {
+        ComPtr<ID3D11DeviceContext> context;
+        device_->GetDevice()->GetImmediateContext(&context);
+        context->CopyResource(sharedTexture.Get(), texture.Get());
+    }
+
+    UpdateCursor(sharedTexture, frameInfo);
+    UpdateMetadata(frameInfo.TotalMetadataBufferSize);
+
+    {
+        std::lock_guard<std::mutex> lock(mutex_);
+        lastFrame_ = Frame
+        {
+            lastFrameId_++,
+            sharedTexture,
+            frameInfo,
+            metaData_
+        };
+    }
+}
+
+
+void Duplicator::Release()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    if (!isFrameAcquired_) return;
+
+    const auto hr = dupl_->ReleaseFrame();
+    if (FAILED(hr))
+    {
+        switch (hr)
+        {
+            case DXGI_ERROR_ACCESS_LOST:
+            {
+                Debug::Log("Duplicator::Duplicate() => DXGI_ERROR_ACCESS_LOST.");
+                state_ = State::AccessLost;
+                break;
+            }
+            case DXGI_ERROR_INVALID_CALL:
+            {
+                Debug::Error("Duplicator::Duplicate() => DXGI_ERROR_INVALID_CALL.");
+                break;
+            }
+            default:
+            {
+                state_ = State::Unknown;
+                Debug::Error("Duplicator::Duplicate() => Unknown Error.");
+                break;
+            }
+        }
+    }
+
+    isFrameAcquired_ = false;
+}
+
+
+void Duplicator::UpdateCursor(
+    const ComPtr<ID3D11Texture2D>& texture,
+    const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    auto& manager = GetMonitorManager();
+
+	if (frameInfo.PointerPosition.Visible)
+	{
+        manager->SetCursorMonitorId(monitor_->GetId());
+	}
+
+    if (monitor_->GetId() == manager->GetCursorMonitorId())
+    {
+        auto cursor = manager->GetCursor();
+        cursor->UpdateBuffer(this, frameInfo);
+        cursor->UpdateTexture(this, texture);
+    }
+}
+
+
+void Duplicator::UpdateMetadata(UINT totalBufferSize)
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    metaData_.buffer.ExpandIfNeeded(totalBufferSize);
+    if (!metaData_.buffer.Empty())
+    {
+        UpdateMoveRects();
+        UpdateDirtyRects();
+    }
+}
+
+
+void Duplicator::UpdateMoveRects()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    const auto hr = dupl_->GetFrameMoveRects(
+        metaData_.buffer.Size(),
+        metaData_.buffer.As<DXGI_OUTDUPL_MOVE_RECT>(), 
+        &metaData_.moveRectSize);
+
+    if (FAILED(hr))
+    {
+        switch (hr)
+        {
+            case DXGI_ERROR_ACCESS_LOST:
+            {
+                Debug::Log("Duplicator::UpdateMoveRects() => DXGI_ERROR_ACCESS_LOST.");
+                break;
+            }
+            case DXGI_ERROR_MORE_DATA:
+            {
+                Debug::Error("Duplicator::UpdateMoveRects() => DXGI_ERROR_MORE_DATA.");
+                break;
+            }
+            case DXGI_ERROR_INVALID_CALL:
+            {
+                Debug::Error("Duplicator::UpdateMoveRects() => DXGI_ERROR_INVALID_CALL.");
+                break;
+            }
+            case E_INVALIDARG:
+            {
+                Debug::Error("Duplicator::UpdateMoveRects() => E_INVALIDARG.");
+                break;
+            }
+            default:
+            {
+                Debug::Error("Duplicator::UpdateMoveRects() => Unknown Error.");
+                break;
+            }
+        }
+        return;
+    }
+}
+
+
+void Duplicator::UpdateDirtyRects()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    const auto hr = dupl_->GetFrameDirtyRects(
+        metaData_.buffer.Size() - metaData_.moveRectSize,
+        metaData_.buffer.As<RECT>(metaData_.moveRectSize /* offset */), 
+        &metaData_.dirtyRectSize);
+
+    if (FAILED(hr))
+    {
+        switch (hr)
+        {
+            case DXGI_ERROR_ACCESS_LOST:
+            {
+                Debug::Log("Duplicator::UpdateDirtyRects() => DXGI_ERROR_ACCESS_LOST.");
+                break;
+            }
+            case DXGI_ERROR_MORE_DATA:
+            {
+                Debug::Error("Duplicator::UpdateDirtyRects() => DXGI_ERROR_MORE_DATA.");
+                break;
+            }
+            case DXGI_ERROR_INVALID_CALL:
+            {
+                Debug::Error("Duplicator::UpdateDirtyRects() => DXGI_ERROR_INVALID_CALL.");
+                break;
+            }
+            case E_INVALIDARG:
+            {
+                Debug::Error("Duplicator::UpdateDirtyRects() => E_INVALIDARG.");
+                break;
+            }
+            default:
+            {
+                Debug::Error("Duplicator::UpdateDirtyRects() => Unknown Error.");
+                break;
+            }
+        }
+        return;
+    }
+}

Plugins/uDesktopDuplication/uDesktopDuplication/Duplicator.h

@@ -0,0 +1,94 @@
+#pragma once
+
+#include <d3d11.h>
+#include <dxgi1_2.h>
+#include <memory>
+#include <atomic>
+#include <thread>
+#include <mutex>
+#include <wrl/client.h>
+
+#include "Common.h"
+
+
+class Monitor;
+
+
+enum class DuplicatorState
+{
+    NotSet = -1,
+    Ready = 0,
+    Running = 1,
+    InvalidArg = 2,
+    AccessDenied = 3,
+    Unsupported = 4,
+    CurrentlyNotAvailable = 5,
+    SessionDisconnected = 6,
+    AccessLost = 7,
+    TextureSizeInconsistent = 8,
+    Unknown = 999,
+};
+
+
+class Duplicator
+{
+public:
+    using State = DuplicatorState;
+
+    struct Metadata
+    {
+        Buffer<BYTE> buffer;
+        UINT moveRectSize = 0;
+        UINT dirtyRectSize = 0;
+    };
+
+    struct Frame
+    {
+        UINT id;
+        Microsoft::WRL::ComPtr<ID3D11Texture2D> texture;
+        DXGI_OUTDUPL_FRAME_INFO info;
+        Metadata metaData;
+    };
+
+    explicit Duplicator(Monitor* monitor);
+    ~Duplicator();
+    void Start();
+    void Stop();
+    bool IsRunning() const;
+    bool IsError() const;
+    State GetState() const;
+    Monitor* GetMonitor() const;
+    Microsoft::WRL::ComPtr<ID3D11Device> GetDevice();
+    Microsoft::WRL::ComPtr<IDXGIOutputDuplication> GetDuplication();
+    const Frame& GetLastFrame() const;
+
+private:
+    void InitializeDevice();
+    void InitializeDuplication();
+    void CheckUnityAdapter();
+
+    void Duplicate(UINT timeout);
+    void Release();
+
+    void UpdateCursor(
+        const Microsoft::WRL::ComPtr<ID3D11Texture2D>& texture,
+        const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
+	void UpdateMetadata(UINT totalBufferSize);
+    void UpdateMoveRects();
+    void UpdateDirtyRects();
+
+    Monitor* const monitor_ = nullptr;
+    std::atomic<State> state_ = State::Ready;
+
+    std::shared_ptr<class IsolatedD3D11Device> device_;
+    Microsoft::WRL::ComPtr<IDXGIOutputDuplication> dupl_;
+    Frame lastFrame_;
+    UINT lastFrameId_ = 0;
+    bool isFrameAcquired_ = false;
+
+    volatile bool shouldRun_ = false;
+    std::thread thread_;
+    mutable std::mutex mutex_;
+
+    Metadata metaData_;
+};

Plugins/uDesktopDuplication/uDesktopDuplication/Monitor.cpp

@@ -1,348 +1,158 @@
 #include <d3d11.h>
 #include <ShellScalingAPI.h>
+#include <queue>
+#include "Monitor.h"
+#include "Duplicator.h"
 #include "Debug.h"
 #include "Cursor.h"
 #include "MonitorManager.h"
-#include "Monitor.h"
+#include "Device.h"
 
 using namespace Microsoft::WRL;
 
 
+
 Monitor::Monitor(int id)
     : id_(id)
 {
+	ZeroMemory(&monitorInfo_, sizeof(monitorInfo_));
 }
 
 
 Monitor::~Monitor()
 {
-    if (deskDupl_) 
-    {
-        deskDupl_->Release();
-        deskDupl_ = nullptr;
-    }
 }
 
 
-void Monitor::Initialize(IDXGIOutput* output)
+void Monitor::Initialize(
+	const ComPtr<IDXGIAdapter> &adapter,
+    const ComPtr<IDXGIOutput> &output
+)
 {
-    if (FAILED(output->GetDesc(&outputDesc_)))
+    UDD_FUNCTION_SCOPE_TIMER
+
+    adapter_ = adapter;
+    output_ = output;
+
+	if (FAILED(output->GetDesc(&outputDesc_)))
+	{
+		Debug::Error("Monitor::Initialize() => IDXGIOutput::GetDesc() failed.");
+		return;
+	}
+
+	monitorInfo_.cbSize = sizeof(MONITORINFOEX);
+	if (!GetMonitorInfo(outputDesc_.Monitor, &monitorInfo_))
+	{
+		Debug::Error("Monitor::Initialize() => GetMonitorInfo() failed.");
+		return;
+	}
+	else
+	{
+		const auto rect = monitorInfo_.rcMonitor;
+		width_ = rect.right - rect.left;
+		height_ = rect.bottom - rect.top;
+	}
+
+	if (FAILED(GetDpiForMonitor(outputDesc_.Monitor, MDT_RAW_DPI, &dpiX_, &dpiY_)))
+	{
+		Debug::Error("Monitor::Initialize() => GetDpiForMonitor() failed.");
+		// DPI is set as -1, so the application has to use the appropriate value.
+	}
+
+    const auto rot = outputDesc_.Rotation;
+    Debug::Log("Monitor::Initialized() =>");
+    Debug::Log("    ID    : ", id_);
+    Debug::Log("    Size  : (", width_, ", ", height_, ")");
+    Debug::Log("    DPI   : (", dpiX_, ", ", dpiY_, ")");
+    Debug::Log("    Rot   : ",
+        rot == DXGI_MODE_ROTATION_IDENTITY ? "Landscape" :
+        rot == DXGI_MODE_ROTATION_ROTATE90 ? "Portrait" :
+        rot == DXGI_MODE_ROTATION_ROTATE180 ? "Landscape (flipped)" :
+        rot == DXGI_MODE_ROTATION_ROTATE270 ? "Portrait (flipped)" :
+        "Unspecified");
+
+    duplicator_ = std::make_shared<Duplicator>(this);
+}
+
+
+void Monitor::Finalize()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    StopCapture();
+}
+
+
+void Monitor::Render()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    const auto& frame = duplicator_->GetLastFrame();
+
+    if (frame.id == lastFrameId_) return;
+    lastFrameId_ = frame.id;
+
+    if (unityTexture_ == nullptr) 
     {
-        Debug::Error("Monitor::Initialize() => IDXGIOutput::GetDesc() failed.");
+        Debug::Error("Monitor::Render() => Target texture has not been set yet.");
         return;
     }
 
-    monitorInfo_.cbSize = sizeof(MONITORINFOEX);
-    if (!GetMonitorInfo(outputDesc_.Monitor, &monitorInfo_))
+    if (!frame.texture)
     {
-        Debug::Error("Monitor::Initialize() => GetMonitorInfo() failed.");
+        Debug::Error("Monitor::Render() => frame doesn't have texture.");
+        return;
+    }
+
+    D3D11_TEXTURE2D_DESC srcDesc, dstDesc;
+    frame.texture->GetDesc(&srcDesc);
+    unityTexture_->GetDesc(&dstDesc);
+    if (srcDesc.Width  != dstDesc.Width ||
+        srcDesc.Height != dstDesc.Height)
+    {
+        Debug::Error("Monitor::Render() => Texture sizes are defferent.");
+        Debug::Error("    Source : (", srcDesc.Width, ", ", srcDesc.Height, ")");
+        Debug::Error("    Dest   : (", dstDesc.Width, ", ", dstDesc.Height, ")");
         return;
     }
     else
     {
-        const auto rect = monitorInfo_.rcMonitor;
-        width_ = rect.right - rect.left;
-        height_ = rect.bottom - rect.top;
+        ComPtr<ID3D11DeviceContext> context;
+        GetDevice()->GetImmediateContext(&context);
+        context->CopyResource(unityTexture_, frame.texture.Get());
+
+        auto& manager = GetMonitorManager();
+        if (id_ == manager->GetCursorMonitorId())
+        {
+            manager->GetCursor()->Draw(unityTexture_);
+        }
     }
 
-    if (FAILED(GetDpiForMonitor(outputDesc_.Monitor, MDT_RAW_DPI, &dpiX_, &dpiY_)))
-    {
-        Debug::Error("Monitor::Initialize() => GetDpiForMonitor() failed.");
-        // DPI is set as -1, so the application has to use the appropriate value.
-    }
+	if (UseGetPixels())
+	{
+		CopyTextureFromGpuToCpu(unityTexture_);
+	}
 
-    auto output1 = reinterpret_cast<IDXGIOutput1*>(output);
-    switch (output1->DuplicateOutput(GetDevice().Get(), &deskDupl_))
+	hasBeenUpdated_ = true;
+}
+
+
+void Monitor::StartCapture()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    if (duplicator_->GetState() == DuplicatorState::Ready)
     {
-        case S_OK:
-        {
-            state_ = State::Available;
-            const auto rot = static_cast<DXGI_MODE_ROTATION>(GetRotation());
-            Debug::Log("Monitor::Initialize() => OK.");
-            Debug::Log("    ID    : ", GetId());
-            Debug::Log("    Size  : (", GetWidth(), ", ", GetHeight(), ")");
-            Debug::Log("    DPI   : (", GetDpiX(), ", ", GetDpiY(), ")");
-            Debug::Log("    Rot   : ", 
-                rot == DXGI_MODE_ROTATION_IDENTITY  ? "Landscape" :
-                rot == DXGI_MODE_ROTATION_ROTATE90  ? "Portrait" :
-                rot == DXGI_MODE_ROTATION_ROTATE180 ? "Landscape (flipped)" :
-                rot == DXGI_MODE_ROTATION_ROTATE270 ? "Portrait (flipped)" : 
-                "Unspecified");
-            break;
-        }
-        case E_INVALIDARG:
-        {
-            state_ = State::InvalidArg;
-            Debug::Error("Monitor::Initialize() => Invalid arguments.");
-            break;
-        }
-        case E_ACCESSDENIED:
-        {
-            // For example, when the user presses Ctrl + Alt + Delete and the screen
-            // switches to admin screen, this error occurs. 
-            state_ = State::AccessDenied;
-            Debug::Error("Monitor::Initialize() => Access denied.");
-            break;
-        }
-        case DXGI_ERROR_UNSUPPORTED:
-        {
-            // If the display adapter on the computer is running under the Microsoft Hybrid system,
-            // this error occurs.
-            state_ = State::Unsupported;
-            Debug::Error("Monitor::Initialize() => Unsupported display.");
-            break;
-        }
-        case DXGI_ERROR_NOT_CURRENTLY_AVAILABLE:
-        {
-            // When other application use Desktop Duplication API, this error occurs.
-            state_ = State::CurrentlyNotAvailable;
-            Debug::Error("Monitor::Initialize() => Currently not available.");
-            break;
-        }
-        case DXGI_ERROR_SESSION_DISCONNECTED:
-        {
-            state_ = State::SessionDisconnected;
-            Debug::Error("Monitor::Initialize() => Session disconnected.");
-            break;
-        }
-        default:
-        {
-            state_ = State::Unknown;
-            Debug::Error("Monitor::Render() => Unknown Error.");
-            break;
-        }
+        duplicator_->Start();
     }
 }
 
 
-void Monitor::Render(UINT timeout)
+void Monitor::StopCapture()
 {
-    if (!deskDupl_) return;
+    UDD_FUNCTION_SCOPE_TIMER
 
-    HRESULT hr;
-    ComPtr<IDXGIResource> resource;
-    DXGI_OUTDUPL_FRAME_INFO frameInfo;
-
-    hr = deskDupl_->AcquireNextFrame(timeout, &frameInfo, &resource);
-    if (FAILED(hr))
-    {
-        switch (hr)
-        {
-            case DXGI_ERROR_ACCESS_LOST:
-            {
-                // If any monitor setting has changed (e.g. monitor size has changed),
-                // it is necessary to re-initialize monitors.
-                Debug::Log("Monitor::Render() => DXGI_ERROR_ACCESS_LOST.");
-                state_ = State::AccessLost;
-                break;
-            }
-            case DXGI_ERROR_WAIT_TIMEOUT:
-            {
-                // This often occurs when timeout value is small and it is not problem. 
-                // Debug::Log("Monitor::Render() => DXGI_ERROR_WAIT_TIMEOUT.");
-                break;
-            }
-            case DXGI_ERROR_INVALID_CALL:
-            {
-                Debug::Error("Monitor::Render() => DXGI_ERROR_INVALID_CALL.");
-                break;
-            }
-            case E_INVALIDARG:
-            {
-                Debug::Error("Monitor::Render() => E_INVALIDARG.");
-                break;
-            }
-            default:
-            {
-                state_ = State::Unknown;
-                Debug::Error("Monitor::Render() => Unknown Error.");
-                break;
-            }
-        }
-        return;
-    }
-
-    ID3D11Texture2D* texture;
-    if (FAILED(resource.CopyTo(&texture)))
-    {
-        Debug::Error("Monitor::Render() => resource.As() failed.");
-        return;
-    }
-
-    // Get texture
-    if (unityTexture_)
-    {
-        D3D11_TEXTURE2D_DESC srcDesc, dstDesc;
-        texture->GetDesc(&srcDesc);
-        unityTexture_->GetDesc(&dstDesc);
-        if (srcDesc.Width != dstDesc.Width ||
-            srcDesc.Height != dstDesc.Height)
-        {
-            Debug::Error("Monitor::Render() => Texture sizes are defferent.");
-            Debug::Error("    Source : (", srcDesc.Width, ", ", srcDesc.Height, ")");
-            Debug::Error("    Dest   : (", dstDesc.Width, ", ", dstDesc.Height, ")");
-            //Debug::Log("    => Try modifying width/height using reported value from DDA.");
-            //width_ = srcDesc.Width;
-            //height_ = srcDesc.Height;
-            state_ = MonitorState::TextureSizeInconsistent;
-            //SendMessageToUnity(Message::TextureSizeChanged);
-        }
-        else
-        {
-            ComPtr<ID3D11DeviceContext> context;
-            GetDevice()->GetImmediateContext(&context);
-            context->CopyResource(unityTexture_, texture);
-        }
-    }
-
-    UpdateMetadata(frameInfo);
-
-    if (frameInfo.PointerPosition.Visible)
-    {
-        GetMonitorManager()->SetCursorMonitorId(id_);
-    }
-
-    if (GetMonitorManager()->GetCursorMonitorId() == id_)
-    {
-        UpdateCursor(frameInfo);
-    }
-
-    if (UseGetPixels())
-    {
-        CopyTextureFromGpuToCpu(texture);
-    }
-
-    hr = deskDupl_->ReleaseFrame();
-    if (FAILED(hr))
-    {
-        switch (hr)
-        {
-            case DXGI_ERROR_ACCESS_LOST:
-            {
-                Debug::Log("Monitor::Render() => DXGI_ERROR_ACCESS_LOST.");
-                state_ = State::AccessLost;
-                break;
-            }
-            case DXGI_ERROR_INVALID_CALL:
-            {
-                Debug::Error("Monitor::Render() => DXGI_ERROR_INVALID_CALL.");
-                break;
-            }
-            default:
-            {
-                state_ = State::Unknown;
-                Debug::Error("Monitor::Render() => Unknown Error.");
-                break;
-            }
-        }
-        return;
-    }
-
-    hasBeenUpdated_ = true;
-}
-
-
-void Monitor::UpdateCursor(const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
-{
-    auto cursor_ = GetMonitorManager()->GetCursor();
-    cursor_->UpdateBuffer(this, frameInfo);
-    cursor_->Draw(this);
-}
-
-
-void Monitor::UpdateMetadata(const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
-{
-    metaData_.ExpandIfNeeded(frameInfo.TotalMetadataBufferSize);
-    UpdateMoveRects(frameInfo);
-    UpdateDirtyRects(frameInfo);
-}
-
-
-void Monitor::UpdateMoveRects(const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
-{
-    moveRectSize_ = metaData_.Size();
-
-    const auto hr = deskDupl_->GetFrameMoveRects(
-        moveRectSize_,
-        metaData_.As<DXGI_OUTDUPL_MOVE_RECT>(), 
-        &moveRectSize_);
-
-    if (FAILED(hr))
-    {
-        switch (hr)
-        {
-            case DXGI_ERROR_ACCESS_LOST:
-            {
-                Debug::Log("Monitor::Render() => DXGI_ERROR_ACCESS_LOST (GetFrameMoveRects()).");
-                break;
-            }
-            case DXGI_ERROR_MORE_DATA:
-            {
-                Debug::Error("Monitor::Render() => DXGI_ERROR_MORE_DATA (GetFrameMoveRects()).");
-                break;
-            }
-            case DXGI_ERROR_INVALID_CALL:
-            {
-                Debug::Error("Monitor::Render() => DXGI_ERROR_INVALID_CALL (GetFrameMoveRects()).");
-                break;
-            }
-            case E_INVALIDARG:
-            {
-                Debug::Error("Monitor::Render() => E_INVALIDARG (GetFrameMoveRects()).");
-                break;
-            }
-            default:
-            {
-                Debug::Error("Monitor::Render() => Unknown Error (GetFrameMoveRects()).");
-                break;
-            }
-        }
-        return;
-    }
-}
-
-
-void Monitor::UpdateDirtyRects(const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
-{
-    dirtyRectSize_ = metaData_.Size() - moveRectSize_;
-
-    const auto hr = deskDupl_->GetFrameDirtyRects(
-        dirtyRectSize_,
-        metaData_.As<RECT>(moveRectSize_ /* offset */), 
-        &dirtyRectSize_);
-
-    if (FAILED(hr))
-    {
-        switch (hr)
-        {
-            case DXGI_ERROR_ACCESS_LOST:
-            {
-                Debug::Log("Monitor::Render() => DXGI_ERROR_ACCESS_LOST (GetFrameDirtyRects()).");
-                break;
-            }
-            case DXGI_ERROR_MORE_DATA:
-            {
-                Debug::Error("Monitor::Render() => DXGI_ERROR_MORE_DATA (GetFrameDirtyRects()).");
-                break;
-            }
-            case DXGI_ERROR_INVALID_CALL:
-            {
-                Debug::Error("Monitor::Render() => DXGI_ERROR_INVALID_CALL (GetFrameDirtyRects()).");
-                break;
-            }
-            case E_INVALIDARG:
-            {
-                Debug::Error("Monitor::Render() => E_INVALIDARG (GetFrameDirtyRects()).");
-                break;
-            }
-            default:
-            {
-                Debug::Error("Monitor::Render() => Unknown Error (GetFrameDirtyRects()).");
-                break;
-            }
-        }
-        return;
-    }
+    duplicator_->Stop();
 }
 
 
@@ -352,9 +162,21 @@ int Monitor::GetId() const
 }
 
 
-MonitorState Monitor::GetState() const
+ComPtr<struct IDXGIAdapter> Monitor::GetAdapter()
 {
-    return state_;
+    return adapter_;
+}
+
+
+ComPtr<struct IDXGIOutput> Monitor::GetOutput()
+{
+    return output_;
+}
+
+
+DuplicatorState Monitor::GetDuplicatorState() const
+{
+    return duplicator_->GetState();
 }
 
 
@@ -370,9 +192,9 @@ ID3D11Texture2D* Monitor::GetUnityTexture() const
 }
 
 
-IDXGIOutputDuplication* Monitor::GetDeskDupl() 
+ComPtr<IDXGIOutputDuplication> Monitor::GetDeskDupl() 
 { 
-    return deskDupl_; 
+    return duplicator_->GetDuplication(); 
 }
 
 
@@ -450,25 +272,29 @@ int Monitor::GetHeight() const
 
 int Monitor::GetMoveRectCount() const
 {
-    return moveRectSize_ / sizeof(DXGI_OUTDUPL_MOVE_RECT);
+    const auto& metaData = duplicator_->GetLastFrame().metaData;
+    return metaData.moveRectSize / sizeof(DXGI_OUTDUPL_MOVE_RECT);
 }
 
 
 DXGI_OUTDUPL_MOVE_RECT* Monitor::GetMoveRects() const
 {
-    return metaData_.As<DXGI_OUTDUPL_MOVE_RECT>();
+    const auto& metaData = duplicator_->GetLastFrame().metaData;
+    return metaData.buffer.As<DXGI_OUTDUPL_MOVE_RECT>();
 }
 
 
 int Monitor::GetDirtyRectCount() const
 {
-    return dirtyRectSize_ / sizeof(RECT);
+    const auto& metaData = duplicator_->GetLastFrame().metaData;
+    return metaData.dirtyRectSize / sizeof(RECT);
 }
 
 
 RECT* Monitor::GetDirtyRects() const
 {
-    return metaData_.As<RECT>(moveRectSize_);
+    const auto& metaData = duplicator_->GetLastFrame().metaData;
+    return metaData.buffer.As<RECT>(metaData.moveRectSize);
 }
 
 
@@ -486,6 +312,8 @@ bool Monitor::UseGetPixels() const
 
 void Monitor::CopyTextureFromGpuToCpu(ID3D11Texture2D* texture)
 {
+    UDD_FUNCTION_SCOPE_TIMER
+
     const auto monitorRot = static_cast<DXGI_MODE_ROTATION>(GetRotation());
     const auto monitorWidth = GetWidth();
     const auto monitorHeight = GetHeight();
@@ -551,6 +379,8 @@ void Monitor::CopyTextureFromGpuToCpu(ID3D11Texture2D* texture)
 
 bool Monitor::GetPixels(BYTE* output, int x, int y, int width, int height)
 {
+    UDD_FUNCTION_SCOPE_TIMER
+
     if (!UseGetPixels())
     {
         Debug::Error("Monitor::GetPixels() => UseGetPixels(true) must have been called when you want to use GetPixels().");
@@ -581,24 +411,24 @@ bool Monitor::GetPixels(BYTE* output, int x, int y, int width, int height)
         {
             left   = y;
             top    = monitorWidth - x - width;
-            right  = y + width;
-            bottom = monitorWidth - x;
+            right  = y + width - 1;
+            bottom = monitorWidth - x - 1;
             break;
         }
         case DXGI_MODE_ROTATION_ROTATE180:
         {
             left   = monitorWidth - x - width;
             top    = monitorHeight - y - height;
-            right  = monitorWidth - x;
-            bottom = monitorHeight - y;
+            right  = monitorWidth - x - 1;
+            bottom = monitorHeight - y - 1;
             break;
         }
         case DXGI_MODE_ROTATION_ROTATE270:
         {
             left   = monitorHeight - y - height;
             top    = x;
-            right  = monitorHeight - y;
-            bottom = x + width;
+            right  = monitorHeight - y - 1;
+            bottom = x + width - 1;
             break;
         }
         case DXGI_MODE_ROTATION_IDENTITY:
@@ -607,8 +437,8 @@ bool Monitor::GetPixels(BYTE* output, int x, int y, int width, int height)
         {
             left   = x;
             top    = y;
-            right  = x + width;
-            bottom = y + height;
+            right  = x + width - 1;
+            bottom = y + height - 1;
             break;
         }
     }
@@ -659,7 +489,6 @@ bool Monitor::GetPixels(BYTE* output, int x, int y, int width, int height)
             const auto outCol = col;
             const auto outIndex = 4 * (outRow * width + outCol);
 
-
             // BGRA -> RGBA
             output[outIndex + 0] = bufferForGetPixels_[inIndex + 2];
             output[outIndex + 1] = bufferForGetPixels_[inIndex + 1];
@@ -670,3 +499,14 @@ bool Monitor::GetPixels(BYTE* output, int x, int y, int width, int height)
 
     return true;
 }
+
+
+BYTE* Monitor::GetBuffer() const
+{
+    if (!bufferForGetPixels_)
+    {
+        Debug::Error("Monitor::GetBuffer() => CopyTextureFromGpuToCpu() has not been called yet.");
+        return nullptr;
+    }
+    return bufferForGetPixels_.Get();
+}

Plugins/uDesktopDuplication/uDesktopDuplication/Monitor.h

@@ -5,35 +5,32 @@
 #include <wrl/client.h>
 #include <memory>
 #include <mutex>
+#include <thread>
 #include "Common.h"
 
-enum class MonitorState
-{
-    NotSet = -1,
-    Available = 0,
-    InvalidArg = 1,
-    AccessDenied = 2,
-    Unsupported = 3,
-    CurrentlyNotAvailable = 4,
-    SessionDisconnected = 5,
-    AccessLost = 6,
-    TextureSizeInconsistent = 7,
-    Unknown = 999,
-};
+
+class MonitorManager;
+enum class DuplicatorState;
+
 
 class Monitor
 {
 public:
-    using State = MonitorState;
-
     explicit Monitor(int id);
     ~Monitor();
-    void Initialize(IDXGIOutput* output);
-    void Render(UINT timeout = 0);
+	void Initialize(
+        const Microsoft::WRL::ComPtr<struct IDXGIAdapter> &adapter,
+		const Microsoft::WRL::ComPtr<struct IDXGIOutput> &output);
+    void Finalize();
+    void Render();
+    void StartCapture();
+    void StopCapture();
 
 public:
     int GetId() const;
-    State GetState() const;
+    Microsoft::WRL::ComPtr<struct IDXGIAdapter> GetAdapter();
+    Microsoft::WRL::ComPtr<struct IDXGIOutput> GetOutput();
+    DuplicatorState GetDuplicatorState() const;
     void SetUnityTexture(ID3D11Texture2D* texture);
     ID3D11Texture2D* GetUnityTexture() const;
     void GetName(char* buf, int len) const;
@@ -48,7 +45,7 @@ public:
     int GetRotation() const;
     int GetDpiX() const;
     int GetDpiY() const;
-    IDXGIOutputDuplication* GetDeskDupl();
+    Microsoft::WRL::ComPtr<IDXGIOutputDuplication> GetDeskDupl();
     int GetMoveRectCount() const;
     DXGI_OUTDUPL_MOVE_RECT* GetMoveRects() const;
     int GetDirtyRectCount() const;
@@ -56,27 +53,27 @@ public:
     void UseGetPixels(bool use);
     bool UseGetPixels() const;
     bool GetPixels(BYTE* output, int x, int y, int width, int height);
+    BYTE* GetBuffer() const;
 
 private:
-    void UpdateCursor(const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
-    void UpdateMetadata(const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
-    void UpdateMoveRects(const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
-    void UpdateDirtyRects(const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
     void CopyTextureFromGpuToCpu(ID3D11Texture2D* texture);
 
-    int id_ = -1;
+    MonitorManager* manager_ = nullptr;
+    const int id_;
     UINT dpiX_ = -1, dpiY_ = -1;
     int width_ = -1, height_ = -1;
     bool hasBeenUpdated_ = false;
     bool useGetPixels_ = false;
-    State state_ = State::NotSet;
-    IDXGIOutputDuplication* deskDupl_ = nullptr;
-    ID3D11Texture2D* unityTexture_ = nullptr;
+
+    Microsoft::WRL::ComPtr<IDXGIOutput> output_;
+    Microsoft::WRL::ComPtr<IDXGIAdapter> adapter_;
     DXGI_OUTPUT_DESC outputDesc_;
     MONITORINFOEX monitorInfo_;
-    Buffer<BYTE> metaData_;
+
+    std::shared_ptr<class Duplicator> duplicator_;
+    UINT lastFrameId_ = -1;
+
+    ID3D11Texture2D* unityTexture_ = nullptr;
     Microsoft::WRL::ComPtr<ID3D11Texture2D> textureForGetPixels_;
     Buffer<BYTE> bufferForGetPixels_;
-    UINT moveRectSize_ = 0;
-    UINT dirtyRectSize_ = 0;;
-};
+};

Plugins/uDesktopDuplication/uDesktopDuplication/MonitorManager.cpp

@@ -17,23 +17,21 @@
 using namespace Microsoft::WRL;
 
 
+
 MonitorManager::MonitorManager()
 {
-    Initialize();
 }
 
 
 MonitorManager::~MonitorManager()
 {
-    Finalize();
 }
 
 
 void MonitorManager::Initialize()
 {
-    Finalize();
+    UDD_FUNCTION_SCOPE_TIMER
 
-    // Get factory
     ComPtr<IDXGIFactory1> factory;
     if (FAILED(CreateDXGIFactory1(IID_PPV_ARGS(&factory))))
     {
@@ -41,38 +39,74 @@ void MonitorManager::Initialize()
         return;
     }
 
-    // Check all display adapters
-    int id = 0;
+    std::vector<std::pair<ComPtr<IDXGIAdapter1>, ComPtr<IDXGIOutput>>> outputs;
+
     ComPtr<IDXGIAdapter1> adapter;
     for (int i = 0; (factory->EnumAdapters1(i, &adapter) != DXGI_ERROR_NOT_FOUND); ++i) 
     {
-        // Search the main monitor from all outputs
+        DXGI_ADAPTER_DESC desc;
+        if (FAILED(adapter->GetDesc(&desc))) continue;
+        Debug::Log("Graphics Card [", i, "] : ", desc.Description);
+
         ComPtr<IDXGIOutput> output;
         for (int j = 0; (adapter->EnumOutputs(j, &output) != DXGI_ERROR_NOT_FOUND); ++j) 
         {
-            auto monitor = std::make_shared<Monitor>(id++);
-            monitor->Initialize(output.Get());
-            monitors_.push_back(monitor);
+            DXGI_OUTPUT_DESC desc;
+            if (FAILED(output->GetDesc(&desc))) continue;
+            Debug::Log("  > Monitor[", j, "] : ", desc.DeviceName);
+            outputs.emplace_back(adapter, output);
         }
     }
+
+    for (int id = 0; id < static_cast<int>(outputs.size()); ++id)
+    {
+        const auto& pair = outputs.at(id);
+        auto monitor = std::make_shared<Monitor>(id);
+        monitor->Initialize(pair.first, pair.second);
+        monitor->StartCapture();
+        monitors_.push_back(monitor);
+    }
 }
 
 
 void MonitorManager::Finalize()
 {
+    UDD_FUNCTION_SCOPE_TIMER
+
+    for (const auto& monitor : monitors_)
+    {
+        monitor->Finalize();
+    }
+
     monitors_.clear();
 }
 
 
+void MonitorManager::Update()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    if (isReinitializationRequired_)
+    {
+        Reinitialize();
+        isReinitializationRequired_ = false;
+    }
+}
+
+
 void MonitorManager::RequireReinitilization()
 {
+    Debug::Log("MonitorManager::Reinitialize() was required.");
     isReinitializationRequired_ = true;
 }
 
 
 void MonitorManager::Reinitialize()
 {
+    UDD_FUNCTION_SCOPE_TIMER
+
     Debug::Log("MonitorManager::Reinitialize()");
+    Finalize();
     Initialize();
     SendMessageToUnity(Message::Reinitialized);
 }
@@ -80,6 +114,8 @@ void MonitorManager::Reinitialize()
 
 bool MonitorManager::HasMonitorCountChanged() const
 {
+    UDD_FUNCTION_SCOPE_TIMER
+
     ComPtr<IDXGIFactory1> factory;
     if (FAILED(CreateDXGIFactory1(IID_PPV_ARGS(&factory))))
     {
@@ -118,28 +154,6 @@ std::shared_ptr<Cursor> MonitorManager::GetCursor() const
 }
 
 
-void MonitorManager::Update()
-{
-    if (isReinitializationRequired_)
-    {
-        Reinitialize();
-        isReinitializationRequired_ = false;
-    }
-}
-
-
-void MonitorManager::SetTimeout(int timeout)
-{
-    timeout_ = timeout;
-}
-
-
-int MonitorManager::GetTimeout() const
-{
-    return timeout_;
-}
-
-
 int MonitorManager::GetMonitorCount() const
 {
     return static_cast<int>(monitors_.size());
@@ -171,4 +185,16 @@ int MonitorManager::GetTotalHeight() const
     const auto minTop = *std::min_element(tops.begin(), tops.end());
     const auto maxBottom = *std::max_element(bottoms.begin(), bottoms.end());
     return maxBottom - minTop;
-}
+}
+
+
+void MonitorManager::SetFrameRate(UINT frameRate)
+{
+    frameRate_ = frameRate;
+}
+
+
+UINT MonitorManager::GetFrameRate() const
+{
+    return frameRate_;
+}

Plugins/uDesktopDuplication/uDesktopDuplication/MonitorManager.h

@@ -13,37 +13,31 @@ class Cursor;
 class MonitorManager
 {
 public:
-    explicit MonitorManager();
+    MonitorManager();
     ~MonitorManager();
+	void Initialize();
+    void Finalize();
     void Reinitialize();
+    void Update();
     bool HasMonitorCountChanged() const;
     void RequireReinitilization();
     void SetCursorMonitorId(int id) { cursorMonitorId_ = id; }
     int GetCursorMonitorId() const { return cursorMonitorId_; }
     std::shared_ptr<Monitor> GetMonitor(int id) const;
     std::shared_ptr<Cursor> GetCursor() const;
+    void SetFrameRate(UINT frameRate);
+    UINT GetFrameRate() const;
 
-private:
-    void Initialize();
-    void Finalize();
-
-// Setters from Unity
-public:
-    void Update();
-    void SetTimeout(int timeout);
-    int GetTimeout() const;
-
-// Getters from Unity
 public:
     int GetMonitorCount() const;
     int GetTotalWidth() const;
     int GetTotalHeight() const;
 
 private:
-    int timeout_ = 10;
+    UINT frameRate_ = 60;
     bool enableTextureCopyFromGpuToCpu_ = false;
     std::vector<std::shared_ptr<Monitor>> monitors_;
     std::shared_ptr<Cursor> cursor_ = std::make_shared<Cursor>();
     int cursorMonitorId_ = -1;
     bool isReinitializationRequired_ = false;
-};
+};

Plugins/uDesktopDuplication/uDesktopDuplication/main.cpp

@@ -7,10 +7,12 @@
 
 #include "IUnityInterface.h"
 #include "IUnityGraphics.h"
+#include "include/IUnityGraphicsD3D11.h"
 
 #include "Common.h"
 #include "Debug.h"
 #include "Monitor.h"
+#include "Duplicator.h"
 #include "Cursor.h"
 #include "MonitorManager.h"
 
@@ -21,7 +23,6 @@
 IUnityInterfaces* g_unity = nullptr;
 std::unique_ptr<MonitorManager> g_manager;
 std::queue<Message> g_messages;
-ID3D11DeviceContext* g_deviceContextForMainThread = nullptr;
 
 
 extern "C"
@@ -33,17 +34,24 @@ extern "C"
 
     UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API Initialize()
     {
-        if (g_unity && !g_manager)
+        if (!g_unity) return;
+
+        if (!g_manager)
         {
             Debug::Initialize();
+            OutputWindowsInformation();
             g_manager = std::make_unique<MonitorManager>();
+            g_manager->Initialize();
         }
     }
 
     UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API Finalize()
     {
-        if (!g_manager) return;
-        g_manager.reset();
+        if (g_manager)
+        {
+            g_manager->Finalize();
+            g_manager.reset();
+        }
 
         std::queue<Message> empty;
         g_messages.swap(empty);
@@ -87,7 +95,7 @@ extern "C"
         if (!g_manager) return;
         if (auto monitor = g_manager->GetMonitor(id))
         {
-            monitor->Render(g_manager->GetTimeout());
+            monitor->Render();
         }
     }
 
@@ -162,12 +170,6 @@ extern "C"
         return g_manager->GetTotalHeight();
     }
 
-    UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API SetTimeout(int timeout)
-    {
-        if (!g_manager) return;
-        g_manager->SetTimeout(timeout);
-    }
-
     UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API GetId(int id)
     {
         if (!g_manager) return;
@@ -177,14 +179,14 @@ extern "C"
         }
     }
 
-    UNITY_INTERFACE_EXPORT MonitorState UNITY_INTERFACE_API GetState(int id)
+    UNITY_INTERFACE_EXPORT DuplicatorState UNITY_INTERFACE_API GetState(int id)
     {
-        if (!g_manager) return MonitorState::NotSet;
+        if (!g_manager) return DuplicatorState::NotSet;
         if (auto monitor = g_manager->GetMonitor(id))
         {
-            return monitor->GetState();
+            return monitor->GetDuplicatorState();
         }
-        return MonitorState::NotSet;
+        return DuplicatorState::NotSet;
     }
 
     UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API GetName(int id, char* buf, int len)
@@ -364,7 +366,7 @@ extern "C"
         return 0;
     }
 
-    UNITY_INTERFACE_EXPORT void* UNITY_INTERFACE_API GetMoveRects(int id)
+    UNITY_INTERFACE_EXPORT DXGI_OUTDUPL_MOVE_RECT* UNITY_INTERFACE_API GetMoveRects(int id)
     {
         if (!g_manager) return nullptr;
         if (auto monitor = g_manager->GetMonitor(id))
@@ -384,7 +386,7 @@ extern "C"
         return 0;
     }
 
-    UNITY_INTERFACE_EXPORT void* UNITY_INTERFACE_API GetDirtyRects(int id)
+    UNITY_INTERFACE_EXPORT RECT* UNITY_INTERFACE_API GetDirtyRects(int id)
     {
         if (!g_manager) return nullptr;
         if (auto monitor = g_manager->GetMonitor(id))
@@ -396,7 +398,7 @@ extern "C"
 
     UNITY_INTERFACE_EXPORT bool UNITY_INTERFACE_API GetPixels(int id, BYTE* output, int x, int y, int width, int height)
     {
-        if (!g_manager) return nullptr;
+        if (!g_manager) return false;
         if (auto monitor = g_manager->GetMonitor(id))
         {
             return monitor->GetPixels(output, x, y, width, height);
@@ -404,6 +406,16 @@ extern "C"
         return false;
     }
 
+    UNITY_INTERFACE_EXPORT BYTE* UNITY_INTERFACE_API GetBuffer(int id)
+    {
+        if (!g_manager) return nullptr;
+        if (auto monitor = g_manager->GetMonitor(id))
+        {
+            return monitor->GetBuffer();
+        }
+        return nullptr;
+    }
+
     UNITY_INTERFACE_EXPORT bool UNITY_INTERFACE_API HasBeenUpdated(int id)
     {
         if (!g_manager) return nullptr;
@@ -422,4 +434,10 @@ extern "C"
             return monitor->UseGetPixels(use);
         }
     }
+
+    UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API SetFrameRate(UINT frameRate)
+    {
+        if (!g_manager) return;
+        g_manager->SetFrameRate(frameRate);
+    }
 }

Plugins/uDesktopDuplication/uDesktopDuplication/uDesktopDuplication.vcxproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -21,7 +21,7 @@
   <PropertyGroup Label="Globals">
     <ProjectGuid>{BC5DE2F9-BDCC-4449-A017-E5642E04BB56}</ProjectGuid>
     <RootNamespace>uDesktopDuplication</RootNamespace>
-    <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.16299.0</WindowsTargetPlatformVersion>
     <ProjectName>uDesktopDuplication</ProjectName>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
@@ -82,6 +82,8 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <IncludePath>$(VC_IncludePath);$(WindowsSDK_IncludePath);include</IncludePath>
+    <OutDir>$(SolutionDir)$(Platform)\$(Configuration)\</OutDir>
+    <IntDir>$(Platform)\$(Configuration)\</IntDir>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
@@ -92,6 +94,10 @@
     <PostBuildEvent>
       <Command>copy /Y "$(SolutionDir)$(Platform)\$(Configuration)\$(TargetFileName)" "$(SolutionDir)..\..\Assets\$(ProjectName)\Plugins\x86_64"</Command>
     </PostBuildEvent>
+    <Link>
+      <ModuleDefinitionFile>
+      </ModuleDefinitionFile>
+    </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
@@ -100,8 +106,11 @@
       <SDLCheck>true</SDLCheck>
     </ClCompile>
     <PostBuildEvent>
-      <Command>copy /Y "$(SolutionDir)$(Platform)\$(Configuration)\$(TargetFileName)" "$(SolutionDir)..\..\Assets\$(ProjectName)\Plugins\x86_64"</Command>
+      <Command>copy /Y "$(SolutionDir)$(Platform)\$(Configuration)\$(TargetFileName)" "$(SolutionDir)..\..\Assets\$(ProjectName)\Plugins\x86"</Command>
     </PostBuildEvent>
+    <Link>
+      <ModuleDefinitionFile>$(SolutionDir)$(ProjectName).def</ModuleDefinitionFile>
+    </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
@@ -115,6 +124,8 @@
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
+      <ModuleDefinitionFile>
+      </ModuleDefinitionFile>
     </Link>
     <PostBuildEvent>
       <Command>copy /Y "$(SolutionDir)$(Platform)\$(Configuration)\$(TargetFileName)" "$(SolutionDir)..\..\Assets\$(ProjectName)\Plugins\x86_64"</Command>
@@ -132,6 +143,7 @@
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
+      <ModuleDefinitionFile>$(SolutionDir)$(ProjectName).def</ModuleDefinitionFile>
     </Link>
     <PostBuildEvent>
       <Command>copy /Y "$(SolutionDir)$(Platform)\$(Configuration)\$(TargetFileName)" "$(SolutionDir)..\..\Assets\$(ProjectName)\Plugins\x86"</Command>
@@ -140,6 +152,8 @@
   <ItemGroup>
     <ClCompile Include="Common.cpp" />
     <ClCompile Include="Debug.cpp" />
+    <ClCompile Include="Device.cpp" />
+    <ClCompile Include="Duplicator.cpp" />
     <ClCompile Include="MonitorManager.cpp" />
     <ClCompile Include="Main.cpp" />
     <ClCompile Include="Monitor.cpp" />
@@ -148,6 +162,8 @@
   <ItemGroup>
     <ClInclude Include="Common.h" />
     <ClInclude Include="Debug.h" />
+    <ClInclude Include="Device.h" />
+    <ClInclude Include="Duplicator.h" />
     <ClInclude Include="MonitorManager.h" />
     <ClInclude Include="include\IUnityGraphics.h" />
     <ClInclude Include="include\IUnityGraphicsD3D11.h" />

Plugins/uDesktopDuplication/uDesktopDuplication/uDesktopDuplication.vcxproj.filters

@@ -20,6 +20,8 @@
     <ClInclude Include="Common.h" />
     <ClInclude Include="MonitorManager.h" />
     <ClInclude Include="Debug.h" />
+    <ClInclude Include="Device.h" />
+    <ClInclude Include="Duplicator.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="Monitor.cpp" />
@@ -28,5 +30,7 @@
     <ClCompile Include="MonitorManager.cpp" />
     <ClCompile Include="Common.cpp" />
     <ClCompile Include="Debug.cpp" />
+    <ClCompile Include="Device.cpp" />
+    <ClCompile Include="Duplicator.cpp" />
   </ItemGroup>
 </Project>

ProjectSettings/PresetManager.asset

@@ -0,0 +1,6 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!1386491679 &1
+PresetManager:
+  m_ObjectHideFlags: 0
+  m_DefaultList: []

ProjectSettings/ProjectVersion.txt

@@ -1,2 +1 @@
-m_EditorVersion: 5.4.2f2
-m_StandardAssetsVersion: 0
+m_EditorVersion: 2018.2.15f1

README.md

@@ -2,7 +2,6 @@ uDesktopDuplication
 ===================
 
 ![MIT License](http://img.shields.io/badge/license-MIT-blue.svg?style=flat)
-![Build Status](http://unitybuildbadge.azurewebsites.net/api/status/7566d616-2916-4c99-bb14-e7ab9501cf7e)
 
 **uDesktopDuplication** is an Unity asset to use the realtime screen capture as `Texture2D` using Desktop Duplication API.
 
@@ -28,7 +27,7 @@ Usage
 Attach `uDesktopDuplication/Texture` component to the target object, then its main texture will be replaced with the captured screen. Please see example scenes for more details.
 
 
-Lisence
+License
 -------
 The MIT License (MIT)