add asmdefs.

fixed a runtime error when using the IL2CPP scripting backend

.gitignore

@@ -2,9 +2,12 @@
 /[Ll]ibrary/
 /[Tt]emp/
 /[Oo]bj/
+/[Ll]ogs/
 /[Bb]uild/
 /[Ww]iki/
 /[Mm]isc/
+/UnityPackageManager
+/Packages
 
 # Autogenerated VS/MD solution and project files
 *.csproj
@@ -28,3 +31,4 @@ sysinfo.txt
 /Assets/AssetStoreTools*
 /Assets/Extensions*
 /uDesktopDuplication.log
+.vs

Assets/uDesktopDuplication/Editor/Resources/Images/uDD_Cursor.png.meta

@@ -1,17 +1,18 @@
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-timeCreated: 1477555207
-licenseType: Pro
 TextureImporter:
-  fileIDToRecycleName: {}
-  serializedVersion: 2
+  internalIDToNameTable: []
+  externalObjects: {}
+  serializedVersion: 10
   mipmaps:
     mipMapMode: 0
     enableMipMap: 0
+    sRGBTexture: 1
     linearTexture: 0
-    correctGamma: 0
     fadeOut: 0
     borderMipMap: 0
+    mipMapsPreserveCoverage: 0
+    alphaTestReferenceValue: 0.5
     mipMapFadeDistanceStart: 1
     mipMapFadeDistanceEnd: 3
   bumpmap:
@@ -20,40 +21,71 @@ TextureImporter:
     heightScale: 0.25
     normalMapFilter: 0
   isReadable: 0
+  streamingMipmaps: 0
+  streamingMipmapsPriority: 0
   grayScaleToAlpha: 0
-  generateCubemap: 0
+  generateCubemap: 6
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-  cubemapConvolutionSteps: 7
-  cubemapConvolutionExponent: 1.5
   seamlessCubemap: 0
   textureFormat: -1
   maxTextureSize: 2048
   textureSettings:
+    serializedVersion: 2
     filterMode: 0
     aniso: 1
-    mipBias: -1
-    wrapMode: 1
+    mipBias: -100
+    wrapU: 1
+    wrapV: 1
+    wrapW: 1
   nPOTScale: 0
   lightmap: 0
-  rGBM: 0
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-  allowsAlphaSplitting: 0
   spriteMode: 1
   spriteExtrude: 1
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   spritePivot: {x: 0.5, y: 0.5}
-  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
   spritePixelsToUnits: 100
+  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
+  spriteGenerateFallbackPhysicsShape: 1
+  alphaUsage: 1
   alphaIsTransparency: 1
   spriteTessellationDetail: -1
   textureType: 8
-  buildTargetSettings: []
+  textureShape: 1
+  singleChannelComponent: 0
+  maxTextureSizeSet: 0
+  compressionQualitySet: 0
+  textureFormatSet: 0
+  platformSettings:
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+    buildTarget: DefaultTexturePlatform
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
   spriteSheet:
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     sprites: []
     outline: []
+    physicsShape: []
+    bones: []
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+    internalID: 0
+    vertices: []
+    indices: 
+    edges: []
+    weights: []
+    secondaryTextures: []
   spritePackingTag: 
+  pSDRemoveMatte: 0
+  pSDShowRemoveMatteOption: 0
   userData: 
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   assetBundleVariant: 

Assets/uDesktopDuplication/Editor/TextureEditor.cs

@@ -0,0 +1,119 @@
+using UnityEngine;
+using UnityEditor;
+using System.Linq;
+
+namespace uDesktopDuplication
+{
+
+[CustomEditor(typeof(Texture))]
+public class TextureEditor : Editor
+{
+    Texture texture
+    {
+        get { return target as Texture; }
+    }
+
+    Monitor monitor
+    {
+        get { return texture.monitor; }
+    }
+
+    bool isAvailable
+    {
+        get { return monitor == null || !Application.isPlaying; }
+    }
+
+    bool basicsFolded_ = true;
+    bool invertFolded_ = true;
+    bool clipFolded_ = true;
+    bool matFolded_ = true;
+
+    SerializedProperty invertX_;
+    SerializedProperty invertY_;
+    SerializedProperty useClip_;
+    SerializedProperty clipPos_;
+    SerializedProperty clipScale_;
+
+    void OnEnable()
+    {
+        invertX_ = serializedObject.FindProperty("invertX_");
+        invertY_ = serializedObject.FindProperty("invertY_");
+        useClip_ = serializedObject.FindProperty("useClip_");
+        clipPos_ = serializedObject.FindProperty("clipPos");
+        clipScale_ = serializedObject.FindProperty("clipScale");
+    }
+
+    public override void OnInspectorGUI()
+    {
+        serializedObject.Update();
+
+        EditorGUILayout.Space();
+        DrawMonitor();
+        DrawInvert();
+        DrawClip();
+        DrawMaterial();
+
+        serializedObject.ApplyModifiedProperties();
+    }
+
+    void Fold(string name, ref bool folded, System.Action func)
+    {
+        folded = Utils.Foldout(name, folded);
+        if (folded) {
+            ++EditorGUI.indentLevel;
+            func();
+            --EditorGUI.indentLevel;
+        }
+    }
+
+    void DrawMonitor()
+    {
+        Fold("Monitor", ref basicsFolded_, () => {
+            if (isAvailable) {
+                EditorGUILayout.HelpBox("Monitor information is available only in runtime.", MessageType.Info);
+                return;
+            }
+            var id = EditorGUILayout.Popup("Monitor", monitor.id, Manager.monitors.Select(x => x.name).ToArray());
+            if (id != monitor.id) { texture.monitorId = id; }
+            EditorGUILayout.IntField("ID", monitor.id);
+            EditorGUILayout.Toggle("Is Primary", monitor.isPrimary);
+            EditorGUILayout.EnumPopup("Rotation", monitor.rotation);
+            EditorGUILayout.Vector2Field("Resolution", new Vector2(monitor.width, monitor.height));
+            EditorGUILayout.Vector2Field("DPI", new Vector2(monitor.dpiX, monitor.dpiY));
+        });
+    }
+
+    void DrawInvert()
+    {
+        Fold("Invert", ref invertFolded_, () => {
+            texture.invertX = EditorGUILayout.Toggle("Invert X", invertX_.boolValue);
+            texture.invertY = EditorGUILayout.Toggle("Invert Y", invertY_.boolValue);
+        });
+    }
+
+    void DrawClip()
+    {
+        Fold("Clip", ref clipFolded_, () => {
+            texture.useClip = EditorGUILayout.Toggle("Use Clip", useClip_.boolValue);
+            EditorGUILayout.PropertyField(clipPos_);
+            EditorGUILayout.PropertyField(clipScale_);
+        });
+    }
+
+    void DrawMaterial()
+    {
+        Fold("Material", ref matFolded_, () => {
+            if (!Application.isPlaying) {
+                EditorGUILayout.HelpBox("These parameters are applied to the shared material when not playing.", MessageType.Info);
+            }
+            texture.meshForwardDirection = (Texture.MeshForwardDirection)EditorGUILayout.EnumPopup("Mesh Forward Direction", texture.meshForwardDirection);
+            texture.bend = EditorGUILayout.Toggle("Use Bend", texture.bend);
+            texture.width = EditorGUILayout.FloatField("Bend Width", texture.width);
+            texture.radius = EditorGUILayout.Slider("Bend Radius", texture.radius, texture.worldWidth / (2 * Mathf.PI), 100f);
+            texture.thickness = EditorGUILayout.Slider("Thickness", texture.thickness, 0f, 30f);
+            texture.culling = (Texture.Culling)EditorGUILayout.EnumPopup("Culling", texture.culling);
+        });
+    }
+}
+
+}

Assets/uDesktopDuplication/Editor/TextureEditor.cs.meta

@@ -1,12 +1,12 @@
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-guid: d2d9e4ca459ecb44da8815bafe9655c5
-timeCreated: 1477635630
+guid: 1202a4540abf0ad4781c025339772c4a
+timeCreated: 1480758898
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   defaultReferences: []
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+  icon: {instanceID: 0}
   userData: 
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Assets/uDesktopDuplication/Editor/Utils.cs

@@ -0,0 +1,46 @@
+using UnityEngine;
+using UnityEditor;
+
+namespace uDesktopDuplication
+{
+
+public static class Utils
+{
+    public static bool Foldout(string title, bool display)
+    {
+        var style = new GUIStyle("ShurikenModuleTitle");
+        style.font = new GUIStyle(EditorStyles.label).font;
+        style.border = new RectOffset(15, 7, 4, 4);
+        style.fixedHeight = 22;
+        style.contentOffset = new Vector2(20f, -2f);
+
+        var rect = GUILayoutUtility.GetRect(16f, 22f, style);
+        GUI.Box(rect, title, style);
+
+        var e = Event.current;
+
+        var toggleRect = new Rect(rect.x + 4f, rect.y + 2f, 13f, 13f);
+        if (e.type == EventType.Repaint) {
+            EditorStyles.foldout.Draw(toggleRect, false, false, display, false);
+        }
+        
+        if (e.type == EventType.MouseDown && rect.Contains(e.mousePosition)) {
+            display = !display;
+            e.Use();
+        }
+
+        return display;
+    }
+
+    public static void ReadOnlyTextField(string label, string text)
+    {
+        EditorGUILayout.BeginHorizontal();
+        {
+            EditorGUILayout.LabelField(label, GUILayout.Width(EditorGUIUtility.labelWidth - 4));
+            EditorGUILayout.SelectableLabel(text, EditorStyles.textField, GUILayout.Height(EditorGUIUtility.singleLineHeight));
+        }
+        EditorGUILayout.EndHorizontal();
+    }
+}
+
+}

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+guid: 278117152a6252546a219a17ef6f21f4
+timeCreated: 1480759393
+licenseType: Pro
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Assets/uDesktopDuplication/Editor/uDD-Editor.asmdef

@@ -0,0 +1,17 @@
+{
+    "name": "uDD-Editor",
+    "references": [
+        "GUID:7547219be89abee4ba3cf7f48b516b7b"
+    ],
+    "includePlatforms": [
+        "Editor"
+    ],
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+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
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+guid: fdd0fabca6c1f06439b59586bbe3a4dd
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+  userData: 
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Assets/uDesktopDuplication/Examples/Prefabs/Monitor Plane for Displacement Mapping.prefab

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

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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

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Assets/uDesktopDuplication/Examples/Scripts/DisplacementMapping.cs

@@ -0,0 +1,58 @@
+using UnityEngine;
+using UnityEngine.Assertions;
+
+[RequireComponent(typeof(uDesktopDuplication.Texture))]
+public class DisplacementMapping : MonoBehaviour
+{
+    public enum TargetMonitor
+    { 
+        Self,
+        Next,
+        Prev,
+    }
+    public TargetMonitor target = TargetMonitor.Self;
+
+    uDesktopDuplication.Texture uddTexture_;
+
+    int dispTexId_;
+    int dispFactorId_;
+    int tessMinDistId_;
+    int tessMaxDistId_;
+    int tessFactorId_;
+
+    [Range(0.0f, 10f)] public float displacementFactor = 0.1f;
+    [Range(0.1f, 10f)] public float tessellationMinDist = 0.5f;
+    [Range(1.0f, 50f)] public float tessellationMaxDist = 25f;
+    [Range(1.0f, 50f)] public float tessellationFactor = 25f;
+
+    void Start()
+    {
+        uddTexture_ = GetComponent<uDesktopDuplication.Texture>();
+        Assert.IsNotNull(uddTexture_);
+
+        dispTexId_ = Shader.PropertyToID("_DispTex");
+        dispFactorId_ = Shader.PropertyToID("_DispFactor");
+        tessMinDistId_ = Shader.PropertyToID("_TessMinDist");
+        tessMaxDistId_ = Shader.PropertyToID("_TessMaxDist");
+        tessFactorId_ = Shader.PropertyToID("_TessFactor");
+    }
+
+    void Update()
+    {
+        var id = uddTexture_.monitor.id;
+        switch (target) {
+            case TargetMonitor.Self: break;
+            case TargetMonitor.Next: ++id; break;
+            case TargetMonitor.Prev: --id; break;
+        }
+        id = Mathf.Clamp(id, 0, uDesktopDuplication.Manager.monitorCount - 1);
+        var monitor = uDesktopDuplication.Manager.GetMonitor(id);
+        monitor.shouldBeUpdated = true;
+
+        uddTexture_.material.SetTexture(dispTexId_, monitor.texture);
+        uddTexture_.material.SetFloat(dispFactorId_, displacementFactor);
+        uddTexture_.material.SetFloat(tessMinDistId_, tessellationMinDist);
+        uddTexture_.material.SetFloat(tessMaxDistId_, tessellationMaxDist);
+        uddTexture_.material.SetFloat(tessFactorId_, tessellationFactor);
+    }
+}

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

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Assets/uDesktopDuplication/Examples/Scripts/GazePointAnalyzer.cs

@@ -0,0 +1,167 @@
+using UnityEngine;
+
+[RequireComponent(typeof(uDesktopDuplication.Texture))]
+public class GazePointAnalyzer : MonoBehaviour
+{
+    uDesktopDuplication.Texture uddTexture_;
+
+    [Tooltip("This needs a small calculation cost.")]
+    public bool calcAveragePos = true;
+
+    private Vector2 averageCoord_ = Vector2.zero;
+    private Vector2 averageCoordVelocity_ = Vector2.zero;
+    public Vector3 averagePos
+    {
+        get { return GetWorldPositionFromCoord((int)averageCoord_.x, (int)averageCoord_.y); }
+    }
+
+    public Vector3 cursorPos
+    {
+        get { return GetWorldPositionFromCoord(uddTexture_.monitor.cursorX, uddTexture_.monitor.cursorY); }
+    }
+    private Vector2 preCursorCoord_ = Vector2.zero;
+
+    [Header("Filters")]
+    [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")]
+    public bool drawAveragePos;
+    public bool drawCursorPos;
+    public bool drawMoveRects;
+    public bool drawDirtyRects;
+
+    void Start()
+    {
+        uddTexture_ = GetComponent<uDesktopDuplication.Texture>();
+        averageCoord_ = new Vector2(uddTexture_.monitor.width / 2, uddTexture_.monitor.height / 2);
+    }
+
+    public Vector3 GetWorldPositionFromCoord(int u, int v)
+    {
+        return uddTexture_.GetWorldPositionFromCoord(u, v);
+    }
+
+    void CalcAveragePos()
+    {
+        if (!calcAveragePos) return;
+
+        var coord = Vector2.zero;
+        var monitor = uddTexture_.monitor;
+        var cursorCoord = new Vector2(monitor.cursorX, monitor.cursorY);
+        var filter = 0f;
+
+        // move rect
+        if (monitor.moveRectCount > 0) {
+            foreach (var rects in monitor.moveRects) {
+                var rect = rects.destination;
+                var center = new Vector2(
+                    (rect.right  + rect.left) / 2, 
+                    (rect.bottom + rect.top)  / 2);
+                coord += center;
+            }
+            coord /= monitor.moveRectCount;
+            filter = moveRectFilter;
+        } 
+        // mouse
+        else if (
+            monitor.isCursorVisible && 
+            cursorCoord != preCursorCoord_ &&
+            (cursorCoord - preCursorCoord_).magnitude > 5 &&
+            monitor.cursorX >= 0 && 
+            monitor.cursorY >= 0) 
+        {
+            coord = cursorCoord;
+            filter = mouseFilter;
+        } 
+        // dirty rect
+        else if (monitor.dirtyRectCount > 0) {
+            var totalWeights = 0f;
+            foreach (var rect in monitor.dirtyRects) {
+                var center = new Vector2(
+                    (rect.right  + rect.left) / 2, 
+                    (rect.bottom + rect.top)  / 2);
+                var weight = 1f / Mathf.Sqrt((rect.right - rect.left) * (rect.bottom - rect.top));
+                coord += center * weight;
+                totalWeights += weight;
+            }
+            coord /= totalWeights;
+            filter = dirtyRectFilter;
+        } 
+        // no event
+        else {
+            coord = new Vector2(monitor.width / 2, monitor.height / 2);
+            filter = noEventFilter;
+        }
+
+        var cf = (filter / ((1f / 60) / Time.deltaTime));
+        var vf = (velocityFilter / ((1f / 60) / Time.deltaTime));
+        var targetCoord = averageCoord_ + (coord - averageCoord_) * cf;
+        var targetVelocity = targetCoord - averageCoord_;
+
+        if (float.IsNaN(targetCoord.x) || float.IsNaN(targetCoord.y)) return;
+        if (float.IsNaN(targetVelocity.x) || float.IsNaN(targetVelocity.y)) return;
+
+        averageCoordVelocity_ += (targetVelocity - averageCoordVelocity_) * vf;
+        averageCoord_ += averageCoordVelocity_;
+        averageCoord_.x = Mathf.Clamp(averageCoord_.x, 0, monitor.width);
+        averageCoord_.y = Mathf.Clamp(averageCoord_.y, 0, monitor.height);
+
+        preCursorCoord_ = cursorCoord;
+    }
+
+    void Update()
+    {
+        CalcAveragePos();
+        DebugDraw();
+    }
+
+    void DebugDraw()
+    {
+        if (drawAveragePos) DrawAveragePos();
+        if (drawCursorPos)  DrawCursorPos();
+        if (drawDirtyRects) DrawDirtyRects();
+        if (drawMoveRects)  DrawMoveRects();
+    }
+
+    void DrawRect(uDesktopDuplication.RECT rect, Color color)
+    {
+        var p0 = GetWorldPositionFromCoord(rect.left,  rect.top);
+        var p1 = GetWorldPositionFromCoord(rect.right, rect.top);
+        var p2 = GetWorldPositionFromCoord(rect.right, rect.bottom);
+        var p3 = GetWorldPositionFromCoord(rect.left,  rect.bottom);
+
+        Debug.DrawLine(p0, p1, color);
+        Debug.DrawLine(p1, p2, color);
+        Debug.DrawLine(p2, p3, color);
+        Debug.DrawLine(p3, p0, color);
+    }
+
+    void DrawAveragePos()
+    {
+        Debug.DrawLine(transform.position, averagePos, Color.yellow);
+    }
+
+    void DrawCursorPos()
+    {
+        Debug.DrawLine(transform.position, cursorPos, Color.grey);
+    }
+
+    void DrawMoveRects()
+    {
+        foreach (var rect in uddTexture_.monitor.moveRects) {
+            DrawRect(rect.source, Color.blue);
+            DrawRect(rect.destination, Color.green);
+        }
+    }
+
+    void DrawDirtyRects()
+    {
+        foreach (var rect in uddTexture_.monitor.dirtyRects) {
+            DrawRect(rect, Color.red);
+        }
+    }
+}

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

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+timeCreated: 1479546123
+licenseType: Pro
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/uDesktopDuplication/Examples/Scripts/GetPixelsExample.cs

@@ -0,0 +1,47 @@
+using UnityEngine;
+
+public class GetPixelsExample : MonoBehaviour
+{
+    [SerializeField] uDesktopDuplication.Texture uddTexture;
+
+    [SerializeField] int x = 100;
+    [SerializeField] int y = 100;
+    [SerializeField] int w = 64;
+    [SerializeField] int h = 32;
+    
+    public Texture2D texture;
+    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()
+    {
+        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, w, h)) {
+            texture.SetPixels32(colors);
+            texture.Apply();
+        }
+
+        Debug.Log(monitor.GetPixel(monitor.cursorX, monitor.cursorY));
+    }
+}

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

@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: fd3f838ff57152e44a1810274a9df49b
+timeCreated: 1480420430
+licenseType: Pro
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/uDesktopDuplication/Examples/Scripts/Loupe.cs

@@ -1,5 +1,6 @@
 using UnityEngine;
 
+[RequireComponent(typeof(uDesktopDuplication.Texture))]
 public class Loupe : MonoBehaviour
 {
     private uDesktopDuplication.Texture uddTexture_;
@@ -12,7 +13,7 @@ public class Loupe : MonoBehaviour
         uddTexture_.useClip = true;
     }
 
-    void Update()
+    void LateUpdate()
     {
         CheckVariables();
 
@@ -26,11 +27,14 @@ public class Loupe : MonoBehaviour
         }
 
         var monitor = uddTexture_.monitor;
-        var cursorX = monitor.isCursorVisible ? monitor.cursorX : monitor.systemCursorX;
-        var cursorY = monitor.isCursorVisible ? monitor.cursorY : monitor.systemCursorY;
-
-        var x = (float)cursorX / monitor.width;
-        var y = (float)cursorY / monitor.height;
+        var hotspotX = uDesktopDuplication.Lib.GetCursorHotSpotX();
+        var hotspotY = uDesktopDuplication.Lib.GetCursorHotSpotY();
+        var x = monitor.isCursorVisible ? 
+            (float)(monitor.cursorX + hotspotX) / monitor.width :
+            (float)monitor.systemCursorX / monitor.width;
+        var y = monitor.isCursorVisible ? 
+            (float)(monitor.cursorY + hotspotY) / monitor.height :
+            (float)monitor.systemCursorY / monitor.height;
         var w = 1f / zoom;
         var h = w / aspect * monitor.aspect;
         x = Mathf.Clamp(x - w / 2, 0f, 1f - w);
@@ -40,7 +44,7 @@ public class Loupe : MonoBehaviour
     }
 
     void CheckVariables()
-    {
+    {
         if (zoom < 1f) zoom = 1f;
         if (aspect < 0.01f) aspect = 0.01f;
     }

Assets/uDesktopDuplication/Examples/Scripts/MultipleMonitorAnalyzer.cs

@@ -0,0 +1,69 @@
+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()
+    {
+        creator_ = GetComponent<MultipleMonitorCreator>();
+    }
+
+    void Update()
+    {
+        var cursorMonitorId = uDesktopDuplication.Manager.cursorMonitorId;
+        for (int i = 0; i < creator_.monitors.Count; ++i) {
+            var info = creator_.monitors[i];
+            var analyzer = 
+                info.gameObject.GetComponent<GazePointAnalyzer>() ??
+                info.gameObject.AddComponent<GazePointAnalyzer>();
+            UpdateAnalyzer(analyzer);
+            if (info.uddTexture.monitorId == cursorMonitorId) {
+                gazePoint = analyzer.averagePos;
+            }
+        }
+
+        if (drawGazePoint) DrawGazePoint();
+    }
+
+    void DrawGazePoint()
+    {
+        Debug.DrawLine(transform.position, gazePoint, Color.magenta);
+    }
+
+    void UpdateAnalyzer(GazePointAnalyzer analyzer)
+    {
+        analyzer.moveRectFilter = moveRectFilter;
+        analyzer.mouseFilter = mouseFilter;
+        analyzer.dirtyRectFilter = dirtyRectFilter;
+        analyzer.noEventFilter = noEventFilter;
+        analyzer.velocityFilter = velocityFilter;
+        analyzer.drawAveragePos = drawAveragePos;
+        analyzer.drawMoveRects = drawMoveRects;
+        analyzer.drawDirtyRects = drawDirtyRects;
+    }
+}

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

@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: dbdfccef47068644b81b671bb4e6e166
+timeCreated: 1479620455
+licenseType: Pro
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/uDesktopDuplication/Examples/Scripts/MultipleMonitorCreator.cs

@@ -1,6 +1,8 @@
 using UnityEngine;
+using UnityEngine.Assertions;
 using System.Collections.Generic;
 using MeshForwardDirection = uDesktopDuplication.Texture.MeshForwardDirection;
+using DuplicatorState = uDesktopDuplication.DuplicatorState;
 
 public class MultipleMonitorCreator : MonoBehaviour
 {
@@ -39,6 +41,7 @@ public class MultipleMonitorCreator : MonoBehaviour
     {
         public GameObject gameObject { get; set; }
         public Quaternion originalRotation { get; set; }
+        public Vector3 originalLocalScale { get; set; }
         public uDesktopDuplication.Texture uddTexture { get; set; }
         public Mesh mesh { get; set; }
     }
@@ -46,6 +49,15 @@ public class MultipleMonitorCreator : MonoBehaviour
     private List<MonitorInfo> monitors_ = new List<MonitorInfo>();
     public List<MonitorInfo> monitors { get { return monitors_; } }
 
+    public class SavedMonitorInfo
+    {
+        public float widthScale = 1f;
+        public float heightScale = 1f;
+    }
+
+    private List<SavedMonitorInfo> savedInfoList_ = new List<SavedMonitorInfo>();
+    public List<SavedMonitorInfo> savedInfoList { get { return savedInfoList_; } }
+
     void Start()
     {
         uDesktopDuplication.Manager.CreateInstance();
@@ -79,12 +91,12 @@ public class MultipleMonitorCreator : MonoBehaviour
             removeWaitTimer_ += Time.deltaTime;
             if (removeWaitTimer_ > removeWaitDuration) {
                 hasMonitorUnsupportStateChecked_ = true;
-                foreach (var info in monitors_) {
-                    if (info.uddTexture.monitor.state == uDesktopDuplication.MonitorState.Unsupported) {
+                foreach (var info in monitors) {
+                    if (info.uddTexture.monitor.state == DuplicatorState.Unsupported) {
                         Destroy(info.gameObject);
                     }
                 }
-                monitors_.RemoveAll(info => info.uddTexture.monitor.state == uDesktopDuplication.MonitorState.Unsupported);
+                monitors.RemoveAll(info => info.uddTexture.monitor.state == DuplicatorState.Unsupported);
             }
         }
     }
@@ -100,13 +112,21 @@ public class MultipleMonitorCreator : MonoBehaviour
         ResetRemoveTimer();
 
         // Create monitors
-        for (int i = 0; i < uDesktopDuplication.Manager.monitorCount; ++i) {
+        var n = uDesktopDuplication.Manager.monitors.Count;
+        for (int i = 0; i < n; ++i) {
             // Create monitor obeject
             var go = Instantiate(monitorPrefab);
-            go.name = "Monitor " + i;
+            go.name = uDesktopDuplication.Manager.monitors[i].name;
+
+            // Saved infomation
+            if (savedInfoList.Count == i) {
+                savedInfoList.Add(new SavedMonitorInfo());
+                Assert.AreEqual(i, savedInfoList.Count - 1);
+            }
+            var savedInfo = savedInfoList[i];
 
             // Expand AABB
-            var mesh = go.GetComponent<MeshFilter>().sharedMesh;
+            var mesh = go.GetComponent<MeshFilter>().mesh; // clone
             var aabbScale = mesh.bounds.size;
             aabbScale.y = Mathf.Max(aabbScale.y, aabbScale.x);
             aabbScale.z = Mathf.Max(aabbScale.z, aabbScale.x);
@@ -125,14 +145,18 @@ public class MultipleMonitorCreator : MonoBehaviour
                     height = monitor.heightMeter;
                     break;
                 case ScaleMode.Fixed:
-                    width = scale * (monitor.isHorizontal ? 1f : monitor.aspect);
-                    height = scale * (monitor.isHorizontal ? 1f / monitor.aspect : 1f);
+                    width = scale * (monitor.isHorizontal ? monitor.aspect : 1f);
+                    height = scale * (monitor.isHorizontal ? 1f : 1f / monitor.aspect);
                     break;
                 case ScaleMode.Pixel:
                     width = scale * (monitor.isHorizontal ? 1f : monitor.aspect) * ((float)monitor.width / 1920);
                     height = scale * (monitor.isHorizontal ? 1f / monitor.aspect : 1f) * ((float)monitor.width / 1920);
                     break;
             }
+
+            width *= savedInfo.widthScale;
+            height *= savedInfo.heightScale;
+
             if (meshForwardDirection == MeshForwardDirection.Y) {
                 go.transform.localScale = new Vector3(width, go.transform.localScale.y, height);
             } else {
@@ -146,18 +170,19 @@ public class MultipleMonitorCreator : MonoBehaviour
             var info = new MonitorInfo();
             info.gameObject = go;
             info.originalRotation = go.transform.rotation;
+            info.originalLocalScale = go.transform.localScale;
             info.uddTexture = texture;
             info.mesh = mesh;
-            monitors_.Add(info);
+            monitors.Add(info);
         }
 
         // Sort monitors in coordinate order
-        monitors_.Sort((a, b) => a.uddTexture.monitor.left - b.uddTexture.monitor.left);
+        monitors.Sort((a, b) => a.uddTexture.monitor.left - b.uddTexture.monitor.left);
     }
 
     void Clear()
     {
-        foreach (var info in monitors_) {
+        foreach (var info in monitors) {
             Destroy(info.gameObject);
         }
         if (removeChildrenWhenClear) {
@@ -165,7 +190,7 @@ public class MultipleMonitorCreator : MonoBehaviour
                 Destroy(transform.GetChild(i).gameObject);
             }
         }
-        monitors_.Clear();
+        monitors.Clear();
     }
 
     [ContextMenu("Recreate")]

Assets/uDesktopDuplication/Examples/Scripts/MultipleMonitorLayouter.cs

@@ -4,9 +4,9 @@
 public class MultipleMonitorLayouter : MonoBehaviour
 {
     protected MultipleMonitorCreator creator_;
-    [SerializeField] bool updateEveryFrame = true;
-    [SerializeField] protected float margin = 0.1f;
-    [SerializeField][Range(0f, 10f)] protected float thickness = 1f;
+    public bool updateEveryFrame = true;
+    public float margin = 0.1f;
+    [Range(0f, 10f)] public float thickness = 1f;
 
     void Start()
     {
@@ -30,7 +30,7 @@ public class MultipleMonitorLayouter : MonoBehaviour
 
         var totalWidth = 0f;
         foreach (var info in monitors) {
-            var width = info.gameObject.transform.localEulerAngles.x * (info.mesh.bounds.extents.x * 2f);
+            var width = info.gameObject.transform.localScale.x * (info.mesh.bounds.extents.x * 2f);
             totalWidth += width;
         }
         totalWidth += margin * (n - 1);
@@ -38,7 +38,7 @@ public class MultipleMonitorLayouter : MonoBehaviour
         var x = -totalWidth / 2;
 
         foreach (var info in monitors) {
-            var width = info.gameObject.transform.localEulerAngles.x;
+            var width = info.gameObject.transform.localScale.x;
             x += (width * info.mesh.bounds.extents.x);
             info.gameObject.transform.localPosition = new Vector3(x, 0f, 0f);
             info.gameObject.transform.localRotation = info.originalRotation;

Assets/uDesktopDuplication/Examples/Scripts/MultipleMonitorRoundLayouter.cs

@@ -1,7 +1,10 @@
 using UnityEngine;
+using MeshForwardDirection = uDesktopDuplication.Texture.MeshForwardDirection;
 
 public class MultipleMonitorRoundLayouter : MultipleMonitorLayouter
 {
+    [SerializeField] bool debugDraw = true;
+
     public float radius = 10f;
     public Vector3 offsetAngle = Vector3.zero;
 
@@ -17,6 +20,28 @@ public class MultipleMonitorRoundLayouter : MultipleMonitorLayouter
         var monitors = creator_.monitors;
         var n = monitors.Count;
 
+        // Keep the local scale z of monitors as 1 to bend them correctly.
+        // And save width / height to use same values after reinitialization.
+        for (int i = 0; i < n; ++i) {
+            var info = monitors[i];
+            var savedInfo = creator_.savedInfoList[i];
+            var scale = info.gameObject.transform.localScale;
+            if (creator_.meshForwardDirection == MeshForwardDirection.Y) {
+                scale.y = 1f;
+                savedInfo.widthScale = scale.x / info.originalLocalScale.x;
+                savedInfo.heightScale = scale.z / info.originalLocalScale.z;
+            } else {
+                scale.z = 1f;
+                savedInfo.widthScale = scale.x / info.originalLocalScale.x;
+                savedInfo.heightScale = scale.y / info.originalLocalScale.y;
+            }
+            info.gameObject.transform.localScale = scale;
+        }
+
+        // keep thicness plus value.
+        thickness = Mathf.Max(thickness, 0f);
+
+        // calculate total width
         var totalWidth = 0f;
         foreach (var info in monitors) {
             var width = info.gameObject.transform.localScale.x * (info.mesh.bounds.extents.x * 2f);
@@ -24,9 +49,13 @@ public class MultipleMonitorRoundLayouter : MultipleMonitorLayouter
         }
         totalWidth += margin * (n - 1);
 
+        // expand radius if total width is larger than the circumference.
         radius = Mathf.Max(radius, (totalWidth + margin) / (2 * Mathf.PI));
+
+        // total angle of monitors
         var totalAngle = totalWidth / radius;
 
+        // layout
         float angle = -totalAngle / 2;
         var offsetRot = Quaternion.Euler(offsetAngle);
         foreach (var info in monitors) {
@@ -53,7 +82,12 @@ public class MultipleMonitorRoundLayouter : MultipleMonitorLayouter
     protected override void Update()
     {
         base.Update();
+        if (debugDraw) DebugDraw();
+    }
 
+    void DebugDraw()
+    {
+        // draw the circumference in the scene view.
         var scale = transform.localScale.x;
         var center = transform.position - Vector3.forward * radius * scale;
         for (int i = 0; i < 100; ++i) {

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

@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 810a4ad59c7d8d34e9b6014e8191fffe
+timeCreated: 1481722966
+licenseType: Pro
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/uDesktopDuplication/Examples/Scripts/ToggleMonitors.cs

@@ -6,10 +6,12 @@ public class ToggleMonitors : MonoBehaviour
     {
         if (Input.GetKeyDown(KeyCode.Tab)) {
             var texture = GetComponent<uDesktopDuplication.Texture>();
+            var id = texture.monitorId;
+            var n = uDesktopDuplication.Manager.monitorCount;
             if (Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift)) {
-                texture.monitorId--;
+                texture.monitorId = (id - 1 < 0) ? 0 : (id - 1);
             } else {
-                texture.monitorId++;
+                texture.monitorId = (id + 1 >= n) ? (n - 1) : (id + 1);
             }
         }
     }

Assets/uDesktopDuplication/Examples/Scripts/UddSceneManager.cs

@@ -47,7 +47,7 @@ public class UddSceneManager : MonoBehaviour
 
     void Prev()
     {
-        sceneNo = (sceneNo - 1) % scenes.Length;
+        sceneNo = (sceneNo + scenes.Length - 1) % scenes.Length;
         Load();
     }
 

Assets/uDesktopDuplication/Examples/Scripts/uDD-Examples.asmdef

@@ -0,0 +1,19 @@
+{
+    "name": "uDD-Examples",
+    "references": [
+        "GUID:7547219be89abee4ba3cf7f48b516b7b"
+    ],
+    "includePlatforms": [
+        "Editor",
+        "WindowsStandalone32",
+        "WindowsStandalone64"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
+}

Assets/uDesktopDuplication/Examples/Scripts/uDD-Examples.asmdef.meta

@@ -0,0 +1,7 @@
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+guid: a44103adabd9b3b40a8492e3feb17958
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
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Assets/uDesktopDuplication/Materials/uDD_Screen_Unlit_Displacement.mat

@@ -0,0 +1,49 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_Name: uDD_Screen_Unlit_Displacement
+  m_Shader: {fileID: 4800000, guid: 05df46eb51b13c84eabbdf4c53cc8db7, type: 3}
+  m_ShaderKeywords: BEND_ON _CULL_OFF _FORWARD_Z
+  m_LightmapFlags: 5
+  m_EnableInstancingVariants: 0
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
+  m_SavedProperties:
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+    m_TexEnvs:
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+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _DispTex:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _MainTex:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Floats:
+    - _Bend: 1
+    - _Cull: 0
+    - _DispFactor: 0.1
+    - _Displacement: 0.3
+    - _Forward: 1
+    - _InsideTessFactor: 1
+    - _Radius: 15.4
+    - _TessDistFactor: 3
+    - _TessDistPower: 1.545
+    - _TessEdgeLen: 1
+    - _TessFactor: 25
+    - _TessMaxDist: 10
+    - _TessMinDist: 0.5
+    - _Thickness: 1
+    - _Width: 1.92
+    m_Colors:
+    - _Color: {r: 1, g: 1, b: 1, a: 1}

Assets/uDesktopDuplication/Materials/uDD_Screen_Unlit_Displacement.mat.meta

@@ -0,0 +1,8 @@
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Assets/uDesktopDuplication/Models/uDD_Board.fbx.meta

@@ -39,11 +39,11 @@ ModelImporter:
     globalScale: 0.1
     meshCompression: 0
     addColliders: 0
-    importBlendShapes: 1
+    importBlendShapes: 0
     swapUVChannels: 0
     generateSecondaryUV: 0
     useFileUnits: 1
-    optimizeMeshForGPU: 1
+    optimizeMeshForGPU: 0
     keepQuads: 0
     weldVertices: 1
     secondaryUVAngleDistortion: 8

Assets/uDesktopDuplication/Models/uDD_Plane.fbx.meta

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+    400004: uDD_Plane_MeshPart1
+    2300000: //RootNode
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+    3300000: //RootNode
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+    9500000: //RootNode
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Assets/uDesktopDuplication/Plugins/x86.meta

@@ -0,0 +1,9 @@
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+timeCreated: 1480693928
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Assets/uDesktopDuplication/Plugins/x86/uDesktopDuplication.dll.meta

@@ -0,0 +1,150 @@
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+          Exclude Win64: 1
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Assets/uDesktopDuplication/Plugins/x86_64/uDesktopDuplication.dll.meta

@@ -1,20 +1,150 @@
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 licenseType: Pro
 PluginImporter:
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+        Standalone: Win64
+      second:
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+        settings:
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+        WebGL: WebGL
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Assets/uDesktopDuplication/Scripts/Cursor.cs

@@ -1,71 +0,0 @@
-using UnityEngine;
-using UnityEngine.Assertions;
-using System.Collections.Generic;
-
-namespace uDesktopDuplication
-{
-
-[AddComponentMenu("uDesktopDuplication/Cursor"), RequireComponent(typeof(Texture))]
-public class Cursor : MonoBehaviour
-{
-    [SerializeField] Vector2 modelScale = Vector2.one;
-
-    Vector3 worldPosition { get; set; }
-
-    private Texture uddTexture_;
-    private Monitor monitor { get { return uddTexture_.monitor; } }
-    private Dictionary<int, Texture2D> textures_ = new Dictionary<int, Texture2D>();
-
-    void Start()
-    {
-        uddTexture_ = GetComponent<Texture>();
-    }
-
-    void Update()
-    {
-        if (monitor.isCursorVisible) {
-            UpdatePosition();
-            UpdateTexture();
-        }
-        UpdateMaterial();
-    }
-
-    void UpdatePosition()
-    {
-        var x = (1f * monitor.cursorX / monitor.width  - 0.5f) * modelScale.x;
-        var y = (1f * monitor.cursorY / monitor.height - 0.5f) * modelScale.y;
-        var iy = uddTexture_.invertY ? -1 : +1;
-        var localPos = transform.right * x + iy * transform.up * y;
-        worldPosition = transform.TransformPoint(localPos);
-    }
-
-    void UpdateTexture()
-    {
-        var w = monitor.cursorShapeWidth;
-        var h = monitor.cursorShapeHeight;
-        if (w == 0 || h == 0) return;
-
-        var key = w + h * 100;
-        if (!textures_.ContainsKey(key)) {
-            var texture = new Texture2D(w, h, TextureFormat.BGRA32, false);
-            texture.wrapMode = TextureWrapMode.Clamp;
-            textures_.Add(key, texture);
-        }
-
-        var cursorTexture = textures_[key];
-        Assert.IsNotNull(cursorTexture);
-        monitor.GetCursorTexture(cursorTexture.GetNativeTexturePtr());
-        uddTexture_.material.SetTexture("_CursorTex", cursorTexture);
-    }
-
-    void UpdateMaterial()
-    {
-        var x = monitor.isCursorVisible ? (float)monitor.cursorX / monitor.width : -9999f;
-        var y = monitor.isCursorVisible ? (float)monitor.cursorY / monitor.height : -9999f;
-        var w = (float)monitor.cursorShapeWidth  / monitor.width;
-        var h = (float)monitor.cursorShapeHeight / monitor.height;
-        uddTexture_.material.SetVector("_CursorPositionScale", new Vector4(x, y, w, h));
-    }
-}
-
-}

Assets/uDesktopDuplication/Scripts/Lib.cs

@@ -1,7 +1,10 @@
-using System;
+using UnityEngine;
+using System;
 using System.Text;
 using System.Runtime.InteropServices;
 
+#pragma warning disable 114, 465
+
 namespace uDesktopDuplication
 {
 
@@ -14,6 +17,7 @@ public enum Message
 
 public enum CursorShapeType
 {
+    Unspecified = 0,
     MonoChrome = 1,
     Color = 2,
     MaskedColor = 4,
@@ -28,17 +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,
 }
 
@@ -49,6 +54,26 @@ public enum DebugMode
     UnityLog = 2, /* currently has bug when app exits. */
 }
 
+[StructLayout(LayoutKind.Sequential)]
+public struct RECT
+{
+    [MarshalAs(UnmanagedType.I4)]
+    public int left;
+    [MarshalAs(UnmanagedType.I4)]
+    public int top;
+    [MarshalAs(UnmanagedType.I4)]
+    public int right;
+    [MarshalAs(UnmanagedType.I4)]
+    public int bottom;
+}
+
+[StructLayout(LayoutKind.Sequential)]
+public struct DXGI_OUTDUPL_MOVE_RECT
+{
+    public RECT source;
+    public RECT destination;
+}
+
 public static class Lib
 {
     public delegate void MessageHandler(Message message);
@@ -56,9 +81,11 @@ public static class Lib
     public delegate void DebugLogDelegate(string str);
 
     [DllImport("uDesktopDuplication")]
-    public static extern void InitializeUDD();
+    public static extern bool IsInitialized();
     [DllImport("uDesktopDuplication")]
-    public static extern void FinalizeUDD();
+    public static extern void Initialize();
+    [DllImport("uDesktopDuplication")]
+    public static extern void Finalize();
     [DllImport("uDesktopDuplication")]
     public static extern void Reinitialize();
     [DllImport("uDesktopDuplication")]
@@ -72,9 +99,9 @@ public static class Lib
     [DllImport("uDesktopDuplication")]
     public static extern void SetDebugMode(DebugMode mode);
     [DllImport("uDesktopDuplication")]
-    public static extern void SetLogFunc(IntPtr func);
+    public static extern void SetLogFunc(DebugLogDelegate func);
     [DllImport("uDesktopDuplication")]
-    public static extern void SetErrorFunc(IntPtr func);
+    public static extern void SetErrorFunc(DebugLogDelegate func);
     [DllImport("uDesktopDuplication")]
     public static extern int GetMonitorCount();
     [DllImport("uDesktopDuplication")]
@@ -86,13 +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")]
@@ -116,23 +141,47 @@ public static class Lib
     [DllImport("uDesktopDuplication")]
     public static extern bool IsPrimary(int id);
     [DllImport("uDesktopDuplication")]
-    public static extern bool IsCursorVisible(int id);
+    public static extern bool IsCursorVisible();
     [DllImport("uDesktopDuplication")]
-    public static extern int GetCursorX(int id);
+    public static extern int GetCursorX();
     [DllImport("uDesktopDuplication")]
-    public static extern int GetCursorY(int id);
+    public static extern int GetCursorY();
     [DllImport("uDesktopDuplication")]
-    public static extern int GetCursorShapeWidth(int id);
+    public static extern int GetCursorShapeWidth();
     [DllImport("uDesktopDuplication")]
-    public static extern int GetCursorShapeHeight(int id);
+    public static extern int GetCursorShapeHeight();
     [DllImport("uDesktopDuplication")]
-    public static extern int GetCursorShapePitch(int id);
+    public static extern int GetCursorShapePitch();
     [DllImport("uDesktopDuplication")]
-    public static extern CursorShapeType GetCursorShapeType(int id);
+    public static extern CursorShapeType GetCursorShapeType();
     [DllImport("uDesktopDuplication")]
-    public static extern void GetCursorTexture(int id, System.IntPtr ptr);
+    public static extern void GetCursorTexture(IntPtr ptr);
+    [DllImport("uDesktopDuplication")]
+    public static extern int GetCursorHotSpotX();
+    [DllImport("uDesktopDuplication")]
+    public static extern int GetCursorHotSpotY();
     [DllImport("uDesktopDuplication")]
     public static extern int SetTexturePtr(int id, IntPtr ptr);
+    [DllImport("uDesktopDuplication")]
+    public static extern IntPtr GetSharedTextureHandle(int id);
+    [DllImport("uDesktopDuplication")]
+    public static extern int GetMoveRectCount(int id);
+    [DllImport("uDesktopDuplication", EntryPoint = "GetMoveRects")]
+    private static extern IntPtr GetMoveRects_Internal(int id);
+    [DllImport("uDesktopDuplication")]
+    public static extern int GetDirtyRectCount(int id);
+    [DllImport("uDesktopDuplication", EntryPoint = "GetDirtyRects")]
+    private static extern IntPtr GetDirtyRects_Internal(int id);
+    [DllImport("uDesktopDuplication", EntryPoint = "GetPixels")]
+    private static extern bool GetPixels_Internal(int id, 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)
     {
@@ -140,6 +189,60 @@ public static class Lib
         GetName(id, buf, buf.Capacity);
         return buf.ToString();
     }
+
+    public static DXGI_OUTDUPL_MOVE_RECT[] GetMoveRects(int id)
+    {
+        var count = GetMoveRectCount(id);
+        var rects = new DXGI_OUTDUPL_MOVE_RECT[count];
+        var ptr = GetMoveRects_Internal(id);
+        var size = Marshal.SizeOf(typeof(DXGI_OUTDUPL_MOVE_RECT));
+        for (int i = 0; i < count; ++i) {
+            var data = new IntPtr(ptr.ToInt64() + size * i);
+            rects[i] = (DXGI_OUTDUPL_MOVE_RECT)Marshal.PtrToStructure(data, typeof(DXGI_OUTDUPL_MOVE_RECT));
+        }
+        return rects;
+    }
+
+    public static RECT[] GetDirtyRects(int id)
+    {
+        var count = GetDirtyRectCount(id);
+        var rects = new RECT[count];
+        var ptr = GetDirtyRects_Internal(id);
+        var size = Marshal.SizeOf(typeof(RECT));
+        for (int i = 0; i < count; ++i) {
+            var data = new IntPtr(ptr.ToInt64() + size * i);
+            rects[i] = (RECT)Marshal.PtrToStructure(data, typeof(RECT));
+        }
+        return rects;
+    }
+
+    public static Color32[] GetPixels(int id, int x, int y, int width, int height)
+    {
+        var color = new Color32[width * height];       
+        GetPixels(id, color, x, y, width, height);
+        return color;
+    }
+
+    public static bool GetPixels(int id, Color32[] colors, int x, int y, int width, int height)
+    {
+        if (colors.Length < width * height) {
+            Debug.LogErrorFormat("colors is small.", id, x, y, width, height);
+            return false;
+        }
+		var handle = GCHandle.Alloc(colors, GCHandleType.Pinned);
+		var ptr = handle.AddrOfPinnedObject();
+        if (!GetPixels_Internal(id, ptr, x, y, width, height)) {
+            Debug.LogErrorFormat("GetPixels({0}, {1}, {2}, {3}, {4}) failed.", id, x, y, width, height);
+            return false;
+        }
+        handle.Free();
+        return true;
+    }
+
+    public static Color32 GetPixel(int id, int x, int y)
+    {
+        return GetPixels(id, x, y, 1, 1)[0];
+    }
 }
 
 }

Assets/uDesktopDuplication/Scripts/Manager.cs

@@ -15,15 +15,17 @@ public class Manager : MonoBehaviour
 
     public static Manager CreateInstance()
     {
-        if (instance_) {
-            return instance_;
-        }
+        if (instance_ != null) return instance_;
 
         var manager = FindObjectOfType<Manager>();
-        if (manager) return manager;
+        if (manager) {
+            instance_ = manager;
+            return manager;
+        }
 
         var go = new GameObject("uDesktopDuplicationManager");
-        return go.AddComponent<Manager>();
+        instance_ = go.AddComponent<Manager>();
+        return instance_;
     }
 
     private List<Monitor> monitors_ = new List<Monitor>();
@@ -50,13 +52,23 @@ 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;
     private bool shouldReinitialize_ = false;
     private float reinitializationTimer_ = 0f;
+    private bool isFirstFrame_ = true;
+
+    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;
@@ -72,28 +84,49 @@ public class Manager : MonoBehaviour
 
     void Awake()
     {
-        Lib.SetDebugMode(debugMode);
-        Lib.InitializeUDD();
-        Lib.SetTimeout(desktopDuplicationApiTimeout);
+        // for simple singleton
 
-        if (instance_ != null) {
+        if (instance_ == this) {
+            return;
+        }
+
+        if (instance_ != null && instance_ != this) {
             Destroy(gameObject);
             return;
         }
+
         instance_ = this;
 
+        Lib.SetDebugMode(debugMode);
+        Lib.SetLogFunc(onDebugLog);
+        Lib.SetErrorFunc(onDebugErr);
+
+        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()
     {
-        Lib.FinalizeUDD();
+        Lib.Finalize();
         DestroyMonitors();
     }
 
     void OnEnable()
     {
         renderCoroutine_ = StartCoroutine(OnRender());
+        if (!isFirstFrame_) {
+            Reinitialize();
+        }
+
+        Lib.SetDebugMode(debugMode);
+        Lib.SetLogFunc(onDebugLog);
     }
 
     void OnDisable()
@@ -102,6 +135,9 @@ public class Manager : MonoBehaviour
             StopCoroutine(renderCoroutine_);
             renderCoroutine_ = null;
         }
+
+        Lib.SetLogFunc(null);
+        Lib.SetErrorFunc(null);
     }
 
     void Update()
@@ -109,6 +145,7 @@ public class Manager : MonoBehaviour
         Lib.Update();
         ReinitializeIfNeeded();
         UpdateMessage();
+        isFirstFrame_ = false;
     }
 
     [ContextMenu("Reinitialize")]
@@ -128,11 +165,13 @@ public class Manager : MonoBehaviour
 
         for (int i = 0; i < monitors.Count; ++i) {
             var monitor = monitors[i];
+            var state = monitor.state;
             if (
-                monitor.state == MonitorState.NotSet ||
-                monitor.state == MonitorState.AccessLost || 
-                monitor.state == MonitorState.AccessDenied ||
-                monitor.state == MonitorState.SessionDisconnected
+                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:
@@ -40,7 +42,6 @@ public class Monitor
 
     ~Monitor()
     {
-        DestroyTexture();
     }
 
     public int id 
@@ -54,14 +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
@@ -146,27 +152,37 @@ public class Monitor
 
     public bool isHorizontal
     { 
-        get { return width > height; }
+        get 
+        {
+            return 
+                (rotation == MonitorRotation.Identity) || 
+                (rotation == MonitorRotation.Rotate180);
+        }
     }
 
     public bool isVertical 
     { 
-        get { return height > width; }
+        get 
+        {
+            return 
+                (rotation == MonitorRotation.Rotate90) || 
+                (rotation == MonitorRotation.Rotate270);
+        }
     }
 
     public bool isCursorVisible
     { 
-        get { return Lib.IsCursorVisible(id); }
+        get { return Lib.IsCursorVisible(); }
     }
 
     public int cursorX
     { 
-        get { return Lib.GetCursorX(id); }
+        get { return Lib.GetCursorMonitorId() == id ? Lib.GetCursorX() : -1; }
     }
 
     public int cursorY
     { 
-        get { return Lib.GetCursorY(id); }
+        get { return Lib.GetCursorMonitorId() == id ? Lib.GetCursorY() : -1; }
     }
 
     public int systemCursorX
@@ -189,17 +205,61 @@ public class Monitor
 
     public int cursorShapeWidth
     { 
-        get { return Lib.GetCursorShapeWidth(id); }
+        get { return Lib.GetCursorShapeWidth(); }
     }
 
     public int cursorShapeHeight
     { 
-        get { return Lib.GetCursorShapeHeight(id); }
+        get { return Lib.GetCursorShapeHeight(); }
     }
 
     public CursorShapeType cursorShapeType
     { 
-        get { return Lib.GetCursorShapeType(id); }
+        get { return Lib.GetCursorShapeType(); }
+    }
+
+    public int moveRectCount
+    { 
+        get { return Lib.GetMoveRectCount(id); }
+    }
+
+    public DXGI_OUTDUPL_MOVE_RECT[] moveRects
+    {
+        get { return Lib.GetMoveRects(id); }
+    }
+
+    public int dirtyRectCount
+    { 
+        get { return Lib.GetDirtyRectCount(id); }
+    }
+
+    public RECT[] dirtyRects
+    {
+        get { return Lib.GetDirtyRects(id); }
+    }
+
+    public System.IntPtr buffer
+    {
+        get { return Lib.GetBuffer(id); }
+    }
+
+    public bool hasBeenUpdated
+    {
+        get { return Lib.HasBeenUpdated(id); }
+    }
+
+    bool useGetPixels_ = false;
+    public bool useGetPixels
+    {
+        get
+        {
+            return useGetPixels_;
+        }
+        set
+        {
+            useGetPixels_ = value;
+            Lib.UseGetPixels(id, value);
+        }
     }
 
     public bool shouldBeUpdated
@@ -220,6 +280,7 @@ public class Monitor
     }
 
     private Texture2D texture_;
+    private System.IntPtr texturePtr_;
     public Texture2D texture 
     {
         get 
@@ -232,15 +293,15 @@ public class Monitor
 
     public void Render()
     {
-        if (texture_ && available) {
-            Lib.SetTexturePtr(id, texture_.GetNativeTexturePtr());
+        if (texture_ && available && texturePtr_ != System.IntPtr.Zero) {
+            Lib.SetTexturePtr(id, texturePtr_);
             GL.IssuePluginEvent(Lib.GetRenderEventFunc(), id);
         }
     }
 
     public void GetCursorTexture(System.IntPtr ptr)
     {
-        Lib.GetCursorTexture(id, ptr);
+        Lib.GetCursorTexture(ptr);
     }
 
     public void CreateTextureIfNeeded()
@@ -270,6 +331,7 @@ public class Monitor
         var w = isHorizontal ? width : height;
         var h = isHorizontal ? height : width;
         texture_ = new Texture2D(w, h, TextureFormat.BGRA32, false);
+        texturePtr_ = texture_.GetNativeTexturePtr();
     }
 
     public void DestroyTexture()
@@ -277,6 +339,7 @@ public class Monitor
         if (texture_) {
             Object.Destroy(texture_);
             texture_ = null;
+            texturePtr_ = System.IntPtr.Zero;
         }
     }
 
@@ -284,6 +347,33 @@ public class Monitor
     {
         CreateTextureIfNeeded();
     }
+
+    public Color32[] GetPixels(int x, int y, int width, int height)
+    {
+        if (!useGetPixels_) {
+            Debug.LogErrorFormat("Please set Monitor[{0}].useGetPixels as true.", id);
+            return null;
+        }
+        return Lib.GetPixels(id, x, y, width, height);
+    }
+
+    public bool GetPixels(Color32[] colors, int x, int y, int width, int height)
+    {
+        if (!useGetPixels_) {
+            Debug.LogErrorFormat("Please set Monitor[{0}].useGetPixels as true.", id);
+            return false;
+        }
+        return Lib.GetPixels(id, colors, x, y, width, height);
+    }
+
+    public Color32 GetPixel(int x, int y)
+    {
+        if (!useGetPixels_) {
+            Debug.LogErrorFormat("Please set Monitor[{0}].useGetPixels as true.", id);
+            return Color.black;
+        }
+        return Lib.GetPixel(id, x, y);
+    }
 }
 
 }

Assets/uDesktopDuplication/Scripts/Texture.cs

@@ -3,10 +3,11 @@
 namespace uDesktopDuplication
 {
 
-[AddComponentMenu("uDesktopDuplication/Texture"), RequireComponent(typeof(Cursor))] 
+[RequireComponent(typeof(Renderer))]
+[AddComponentMenu("uDesktopDuplication/Texture")] 
 public class Texture : MonoBehaviour
 {
-    private Monitor monitor_;
+    Monitor monitor_;
     public Monitor monitor 
     { 
         get { return monitor_; }
@@ -14,32 +15,113 @@ public class Texture : MonoBehaviour
         { 
             monitor_ = value;
             if (monitor_ != null) {
-                material = GetComponent<Renderer>().material; // clone
                 material.mainTexture = monitor_.texture;
-                material.SetFloat("_Width", transform.localScale.x);
+                width = transform.localScale.x;
+                rotation = monitor.rotation;
+                invertX = invertX_;
+                invertY = invertY_;
+                useClip = useClip_;
             }
         }
     }
 
+    int lastMonitorId_ = 0;
     public int monitorId
     { 
         get { return monitor.id; }
         set { monitor = Manager.GetMonitor(value); }
     }
 
-    [Header("Invert UVs")]
-    public bool invertX = false;
-    public bool invertY = false;
+    [SerializeField] bool invertX_ = false;
+    public bool invertX
+    {
+        get 
+        {
+            return invertX_;
+        }
+        set 
+        {
+            invertX_ = value;
+            if (invertX_) {
+                material.EnableKeyword("INVERT_X");
+            } else {
+                material.DisableKeyword("INVERT_X");
+            }
+        }
+    }
 
-    [Header("Clip")]
-    public bool useClip = false;
+    [SerializeField] bool invertY_ = false;
+    public bool invertY
+    {
+        get 
+        {
+            return invertY_;
+        }
+        set 
+        {
+            invertY_ = value;
+            if (invertY_) {
+                material.EnableKeyword("INVERT_Y");
+            } else {
+                material.DisableKeyword("INVERT_Y");
+            }
+        }
+    }
+
+    public MonitorRotation rotation
+    {
+        get
+        {
+            return monitor.rotation;
+        }
+        private set
+        {
+            switch (value)
+            {
+                case MonitorRotation.Identity:
+                    material.DisableKeyword("ROTATE90");
+                    material.DisableKeyword("ROTATE180");
+                    material.DisableKeyword("ROTATE270");
+                    break;
+                case MonitorRotation.Rotate90:
+                    material.EnableKeyword("ROTATE90");
+                    material.DisableKeyword("ROTATE180");
+                    material.DisableKeyword("ROTATE270");
+                    break;
+                case MonitorRotation.Rotate180:
+                    material.DisableKeyword("ROTATE90");
+                    material.EnableKeyword("ROTATE180");
+                    material.DisableKeyword("ROTATE270");
+                    break;
+                case MonitorRotation.Rotate270:
+                    material.DisableKeyword("ROTATE90");
+                    material.DisableKeyword("ROTATE180");
+                    material.EnableKeyword("ROTATE270");
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+
+    [SerializeField] bool useClip_ = false;
     public Vector2 clipPos = Vector2.zero;
     public Vector2 clipScale = new Vector2(0.2f, 0.2f);
-
-    public enum MeshForwardDirection
+    public bool useClip
     {
-        Y = 0,
-        Z = 1,
+        get
+        {
+            return useClip_;
+        }
+        set
+        {
+            useClip_ = value;
+            if (useClip_) {
+                material.EnableKeyword("USE_CLIP");
+            } else {
+                material.DisableKeyword("USE_CLIP");
+            }
+        }
     }
 
     public bool bend
@@ -52,12 +134,19 @@ public class Texture : MonoBehaviour
         {
             if (value) {
                 material.EnableKeyword("BEND_ON");
+                material.SetInt("_Bend", 1);
             } else {
                 material.DisableKeyword("BEND_ON");
+                material.SetInt("_Bend", 0);
             }
         }
     }
 
+    public enum MeshForwardDirection
+    {
+        Y = 0,
+        Z = 1,
+    }
     public MeshForwardDirection meshForwardDirection
     {
         get 
@@ -69,18 +158,36 @@ public class Texture : MonoBehaviour
             switch (value) {
                 case MeshForwardDirection.Y:
                     material.SetInt("_Forward", 0);
-                    material.EnableKeyword("_BEND_Y");
-                    material.DisableKeyword("_BEND_Z");
+                    material.EnableKeyword("_FORWARD_Y");
+                    material.DisableKeyword("_FORWARD_Z");
                     break;
                 case MeshForwardDirection.Z:
                     material.SetInt("_Forward", 1);
-                    material.DisableKeyword("_BEND_Y");
-                    material.EnableKeyword("_BEND_Z");
+                    material.DisableKeyword("_FORWARD_Y");
+                    material.EnableKeyword("_FORWARD_Z");
                     break;
             }
         }
     }
 
+    public enum Culling
+    {
+        Off   = 0,
+        Front = 1,
+        Back  = 2,
+    }
+    public Culling culling
+    {
+        get 
+        {
+            return (Culling)material.GetInt("_Cull");
+        }
+        set 
+        {
+            material.SetInt("_Cull", (int)value);
+        }
+    }
+
     public float radius
     {
         get { return material.GetFloat("_Radius"); }
@@ -99,15 +206,46 @@ public class Texture : MonoBehaviour
         set { material.SetFloat("_Thickness", value); }
     }
 
+    Material material_;
     public Material material
     {
-        get;
-        private set;
+        get
+        {
+            if (Application.isPlaying) {
+                return material_ ?? (material_ = GetComponent<Renderer>().material); // clone
+            } else {
+                return GetComponent<Renderer>().sharedMaterial;
+            }
+        }
     }
 
+    Mesh mesh
+    {
+        get 
+        { 
+            return GetComponent<MeshFilter>().sharedMesh; 
+        }
+    }
+    public float worldWidth
+    {
+        get
+        {
+            return transform.localScale.x * (mesh.bounds.extents.x * 2f);
+        }
+    }
+    public float worldHeight
+    {
+        get
+        {
+            return transform.localScale.y * (mesh.bounds.extents.y * 2f);
+        }
+    }
+
+    int clipPositionScaleKey_;
+
     void Awake()
     {
-        AddCursorIfNotAttached();
+        clipPositionScaleKey_ = Shader.PropertyToID("_ClipPositionScale");
     }
 
     void OnEnable()
@@ -125,83 +263,195 @@ public class Texture : MonoBehaviour
 
     void Update()
     {
-        monitor.shouldBeUpdated = true;
+        KeepMonitor();
+        RequireUpdate();
         UpdateMaterial();
     }
 
-    void AddCursorIfNotAttached()
+    void KeepMonitor()
     {
-        if (!GetComponent<Cursor>())
-        {
-            gameObject.AddComponent<Cursor>();
+        if (monitor == null) {
+            Reinitialize();
+        } else {
+            lastMonitorId_ = monitorId;
+        }
+    }
+
+    void RequireUpdate()
+    {
+        if (monitor != null) {
+            monitor.shouldBeUpdated = true;
         }
     }
 
     void Reinitialize()
     {
         // Monitor instance is released here when initialized.
-        monitor = Manager.GetMonitor(monitor.id);
+        monitor = Manager.GetMonitor(lastMonitorId_);
     }
 
     void UpdateMaterial()
     {
-        Invert();
-        Rotate();
-        Clip();
-    }
+        width = transform.localScale.x;
 
-    void Invert()
-    {
-        if (invertX) {
-            material.EnableKeyword("INVERT_X");
-        } else {
-            material.DisableKeyword("INVERT_X");
+        if (monitor != null) {
+            rotation = monitor.rotation;
         }
 
-        if (invertY) {
-            material.EnableKeyword("INVERT_Y");
-        } else {
-            material.DisableKeyword("INVERT_Y");
-        }
+        material.SetVector(clipPositionScaleKey_, new Vector4(clipPos.x, clipPos.y, clipScale.x, clipScale.y));
     }
 
-    void Rotate()
+    public Vector3 GetWorldPositionFromCoord(Vector2 coord)
     {
-        switch (monitor.rotation)
-        {
-            case MonitorRotation.Identity:
-                material.DisableKeyword("ROTATE90");
-                material.DisableKeyword("ROTATE180");
-                material.DisableKeyword("ROTATE270");
-                break;
-            case MonitorRotation.Rotate90:
-                material.EnableKeyword("ROTATE90");
-                material.DisableKeyword("ROTATE180");
-                material.DisableKeyword("ROTATE270");
-                break;
-            case MonitorRotation.Rotate180:
-                material.DisableKeyword("ROTATE90");
-                material.EnableKeyword("ROTATE180");
-                material.DisableKeyword("ROTATE270");
-                break;
-            case MonitorRotation.Rotate270:
-                material.DisableKeyword("ROTATE90");
-                material.DisableKeyword("ROTATE180");
-                material.EnableKeyword("ROTATE270");
-                break;
-            default:
-                break;
-        }
+        return GetWorldPositionFromCoord((int)coord.x, (int)coord.y);
     }
 
-    void Clip()
+    public Vector3 GetWorldPositionFromCoord(int u, int v)
     {
+        // Local position (scale included).
+        var x =  (float)(u - monitor.width  / 2) / monitor.width;
+        var y = -(float)(v - monitor.height / 2) / monitor.height;
+        var localPos = new Vector3(worldWidth * x, worldHeight * y, 0f);
+
+        // Bending
+        if (bend) {
+            var angle = localPos.x / radius;
+            if (meshForwardDirection == MeshForwardDirection.Y) {
+                localPos.y -= radius * (1f - Mathf.Cos(angle));
+            } else {
+                localPos.z -= radius * (1f - Mathf.Cos(angle));
+            }
+            localPos.x  = radius * Mathf.Sin(angle);
+        }
+
+        // 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) {
-            material.EnableKeyword("USE_CLIP");
-            material.SetVector("_ClipPositionScale", new Vector4(clipPos.x, clipPos.y, clipScale.x, clipScale.y));
-        } else {
-            material.DisableKeyword("USE_CLIP");
+            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/Scripts/uDD-Scripts.asmdef

@@ -0,0 +1,17 @@
+{
+    "name": "uDD-Scripts",
+    "references": [],
+    "includePlatforms": [
+        "Editor",
+        "WindowsStandalone32",
+        "WindowsStandalone64"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
+}

Assets/uDesktopDuplication/Scripts/uDD-Scripts.asmdef.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 7547219be89abee4ba3cf7f48b516b7b
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/uDesktopDuplication/Shaders/uDD_Common.cginc

@@ -58,59 +58,74 @@ 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 uddGetScreenTexture(float2 uv)
-{
-    fixed4 c = tex2D(_MainTex, uv);
-    return c;
-}
-
-inline fixed4 uddGetCursorTexture(float2 uv)
-{
-    uv.x = (uv.x - _CursorX) / _CursorWidth;
-    uv.y = (uv.y - _CursorY) / _CursorHeight;
-    fixed4 c = tex2D(_CursorTex, uv);
-    fixed a = step(0, uv.x) * step(0, uv.y) * step(uv.x, 1) * step(uv.y, 1);
-    c.a *= step(0.01, a);
-    return c;
-}
-
-inline fixed4 uddGetScreenTextureWithCursor(float2 uv)
+inline fixed4 uddGetTexture(sampler2D tex, float2 uv)
 {
     uv = uddInvertUV(uv);
 #ifdef USE_CLIP
     uv = uddClipUV(uv);
 #endif
-    fixed4 screen = uddGetScreenTexture(uddRotateUV(uv));
-    fixed4 cursor = uddGetCursorTexture(uv);
-    fixed4 color = lerp(screen, cursor, cursor.a);
-    uddConvertToLinearIfNeeded(color.rgb);
-    return color;
+    fixed4 c = tex2D(tex, uddRotateUV(uv));
+    uddConvertToLinearIfNeeded(c.rgb);
+    return c;
 }
 
-inline void uddBendVertex(inout float4 v, half radius, half width, half thickness)
+inline fixed4 uddGetScreenTexture(float2 uv)
+{
+    return uddGetTexture(_MainTex, uv);
+}
+
+inline void uddBendVertex(inout float3 v, half radius, half width, half thickness)
 {
 #ifdef BEND_ON
     half angle = width * v.x / radius;
     #ifdef _FORWARD_Z
-    v.y *= thickness;
-    radius -= v.y;
-    v.y += radius * (1 - cos(angle));
-    #elif _FORWARD_Y
     v.z *= thickness;
-    radius -= v.z;
-    v.z += radius * (1 - cos(angle));
+    radius += v.z;
+    v.z -= radius * (1 - cos(angle));
+    #elif _FORWARD_Y
+    v.y *= thickness;
+    radius += v.y;
+    v.y += radius * (1 - cos(angle));
     #endif
     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
+}
+
+inline float3 uddRotateY(float3 n, float angle)
+{
+    float c = cos(angle);
+    float s = sin(angle);
+    return float3(c * n.x - s * n.z, n.y, s * n.x + c * n.z);
+}
+
+inline float3 uddRotateX(float3 n, float angle)
+{
+    float c = cos(angle);
+    float s = sin(angle);
+    return float3(n.x, c * n.y + s * n.z, -s * n.y + c * n.z);
+}
+
+inline void uddBendNormal(float4 x, inout float3 n, half radius, half width)
+{
+#ifdef BEND_ON
+    half angle = width * x / radius;
+    #ifdef _FORWARD_Z
+    n = uddRotateY(n, -angle);
+    #elif _FORWARD_Y
+    n = uddRotateX(n, -angle);
     #endif
 #endif
 }

Assets/uDesktopDuplication/Shaders/uDD_Params.cginc

@@ -2,8 +2,11 @@
 #define UDD_PARAMS_CGINC
 
 sampler2D _MainTex;
-fixed4 _Color;
-sampler2D _CursorTex;
+half4 _Color;
+half _ColorScale;
+half _Radius;
+half _Width;
+half _Thickness;
 
 half4 _CursorPositionScale;
 #define _CursorX _CursorPositionScale.x

Assets/uDesktopDuplication/Shaders/uDD_Standard.shader

@@ -7,6 +7,12 @@ Properties
     _MainTex ("Albedo (RGB)", 2D) = "white" {}
     _Glossiness ("Smoothness", Range(0, 1)) = 0.5
     _Metallic ("Metallic", Range(0, 1)) = 0.0
+    _Emissive ("Emissive", Range(0, 10)) = 0.0
+    [KeywordEnum(Y, Z)] _Forward("Mesh Forward Direction", Int) = 0
+    [Toggle(BEND_ON)] _Bend("Use Bend", Int) = 0
+    [PowerSlider(10.0)] _Radius("Bend Radius", Range(1, 100)) = 30
+    [PowerSlider(10.0)] _Thickness("Thickness", Range(0.01, 10)) = 1
+    _Width("Width", Range(0.0, 10.0)) = 1.0
     [KeywordEnum(Off, Front, Back)] _Cull("Culling", Int) = 2
 }
 
@@ -19,26 +25,36 @@ SubShader
     CGPROGRAM
 
     #pragma target 3.0
-    #pragma surface surf Standard fullforwardshadows
-    #pragma multi_compile ___ INVERT_X
-    #pragma multi_compile ___ INVERT_Y
+    #pragma surface surf Standard fullforwardshadows vertex:vert
+    #pragma shader_feature ___ INVERT_X
+    #pragma shader_feature ___ INVERT_Y
+    #pragma shader_feature _FORWARD_Y _FORWARD_Z
+    #pragma shader_feature ___ USE_GAMMA_TO_LINEAR_SPACE
     #pragma multi_compile ___ ROTATE90 ROTATE180 ROTATE270
-    #pragma multi_compile ___ USE_BEND
     #pragma multi_compile ___ USE_CLIP
+    #pragma multi_compile ___ BEND_ON
 
     #define SURFACE_SHADER
     #include "./uDD_Common.cginc"
 
     half _Glossiness;
     half _Metallic;
+    half _Emissive;
+
+    void vert(inout appdata_full v)
+    {
+        uddBendNormal(v.vertex.x, v.normal, _Radius, _Width);
+        uddBendVertex(v.vertex.xyz, _Radius, _Width, _Thickness);
+    }
 
     void surf(Input IN, inout SurfaceOutputStandard o) 
     {
-        fixed4 c = uddGetScreenTextureWithCursor(IN.uv_MainTex) * _Color;
+        fixed4 c = uddGetScreenTexture(IN.uv_MainTex) * _Color;
         o.Albedo = c.rgb;
         o.Metallic = _Metallic;
         o.Smoothness = _Glossiness;
         o.Alpha = c.a;
+        o.Emission = c.rgb * _Emissive;
     }
 
     ENDCG

Assets/uDesktopDuplication/Shaders/uDD_Unlit.shader

@@ -4,12 +4,13 @@
 Properties
 {
     _Color ("Color", Color) = (1, 1, 1, 1)
+    _ColorScale ("ColorScale", Range(0.0, 10.0)) = 1.0
     _MainTex ("Texture", 2D) = "white" {}
-    _CursorTex ("Cursor Texture", 2D) = "white" {}
     [KeywordEnum(Y, Z)] _Forward("Mesh Forward Direction", Int) = 0
     [Toggle(BEND_ON)] _Bend("Use Bend", Int) = 0
     [PowerSlider(10.0)] _Radius("Bend Radius", Range(1, 100)) = 30
     [PowerSlider(10.0)] _Thickness("Thickness", Range(0.01, 10)) = 1
+    _Width("Width", Range(0.0, 10.0)) = 1.0
     [KeywordEnum(Off, Front, Back)] _Cull("Culling", Int) = 2
 }
 
@@ -24,14 +25,10 @@ CGINCLUDE
 
 #include "./uDD_Common.cginc"
 
-half _Radius;
-half _Width;
-half _Thickness;
-
 v2f vert(appdata v)
 {
     v2f o;
-    uddBendVertex(v.vertex, _Radius, _Width, _Thickness);
+    uddBendVertex(v.vertex.xyz, _Radius, _Width, _Thickness);
     o.vertex = UnityObjectToClipPos(v.vertex);
     o.uv = TRANSFORM_TEX(v.uv, _MainTex);
     return o;
@@ -39,7 +36,7 @@ v2f vert(appdata v)
 
 fixed4 frag(v2f i) : SV_Target
 {
-    return uddGetScreenTextureWithCursor(i.uv);
+    return uddGetScreenTexture(i.uv) * _Color * _ColorScale;
 }
 
 ENDCG
@@ -49,12 +46,13 @@ Pass
     CGPROGRAM
     #pragma vertex vert
     #pragma fragment frag
-    #pragma multi_compile ___ INVERT_X
-    #pragma multi_compile ___ INVERT_Y
+    #pragma shader_feature ___ INVERT_X
+    #pragma shader_feature ___ INVERT_Y
+    #pragma shader_feature _FORWARD_Y _FORWARD_Z
+    #pragma shader_feature ___ USE_GAMMA_TO_LINEAR_SPACE
     #pragma multi_compile ___ ROTATE90 ROTATE180 ROTATE270
     #pragma multi_compile ___ USE_CLIP
     #pragma multi_compile ___ BEND_ON
-    #pragma multi_compile _FORWARD_Y _FORWARD_Z
     ENDCG
 }
 

Assets/uDesktopDuplication/Shaders/uDD_Unlit_BlackMask.shader

@@ -4,13 +4,14 @@
 Properties
 {
     _Color ("Color", Color) = (1, 1, 1, 1)
+    _ColorScale ("ColorScale", Range(0.0, 10.0)) = 1.0
     _MainTex ("Texture", 2D) = "white" {}
     _Mask ("Mask", Range(0, 1)) = 0.1
-    _CursorTex ("Cursor Texture", 2D) = "white" {}
     [KeywordEnum(Y, Z)] _Forward("Mesh Forward Direction", Int) = 0
     [Toggle(BEND_ON)] _Bend("Use Bend", Int) = 0
     [PowerSlider(10.0)] _Radius("Bend Radius", Range(1, 100)) = 30
     [PowerSlider(10.0)] _Thickness("Thickness", Range(0.01, 10)) = 1
+    _Width("Width", Range(0.0, 10.0)) = 1.0
     [KeywordEnum(Off, Front, Back)] _Cull("Culling", Int) = 2
 }
 
@@ -28,14 +29,11 @@ CGINCLUDE
 #include "./uDD_Common.cginc"
 
 fixed _Mask;
-half _Radius;
-half _Width;
-half _Thickness;
 
 v2f vert(appdata v)
 {
     v2f o;
-    uddBendVertex(v.vertex, _Radius, _Width, _Thickness);
+    uddBendVertex(v.vertex.xyz, _Radius, _Width, _Thickness);
     o.vertex = UnityObjectToClipPos(v.vertex);
     o.uv = TRANSFORM_TEX(v.uv, _MainTex);
     return o;
@@ -43,9 +41,9 @@ v2f vert(appdata v)
 
 fixed4 frag(v2f i) : SV_Target
 {
-    fixed4 tex = uddGetScreenTextureWithCursor(i.uv);
+    fixed4 tex = uddGetScreenTexture(i.uv);
     fixed alpha = pow((tex.r + tex.g + tex.b) / 3.0, _Mask);
-    return fixed4(tex.rgb * _Color.rgb, alpha * _Color.a);
+    return fixed4(tex.rgb * _Color.rgb * _ColorScale, alpha * _Color.a);
 }
 
 ENDCG
@@ -55,12 +53,13 @@ Pass
     CGPROGRAM
     #pragma vertex vert
     #pragma fragment frag
-    #pragma multi_compile ___ INVERT_X
-    #pragma multi_compile ___ INVERT_Y
+    #pragma shader_feature ___ INVERT_X
+    #pragma shader_feature ___ INVERT_Y
+    #pragma shader_feature _FORWARD_Y _FORWARD_Z
+    #pragma shader_feature ___ USE_GAMMA_TO_LINEAR_SPACE
     #pragma multi_compile ___ ROTATE90 ROTATE180 ROTATE270
-    #pragma multi_compile ___ USE_BEND
     #pragma multi_compile ___ USE_CLIP
-    #pragma multi_compile _BEND_OFF _BEND_Y _BEND_Z
+    #pragma multi_compile ___ BEND_ON
     ENDCG
 }
 

Assets/uDesktopDuplication/Shaders/uDD_Unlit_Displacement.shader

@@ -0,0 +1,177 @@
+Shader "uDesktopDuplication/Unlit_Displacement"
+{
+
+Properties
+{
+    _Color ("Color", Color) = (1, 1, 1, 1)
+    _ColorScale ("ColorScale", Range(0.0, 10.0)) = 1.0
+    _MainTex ("Texture", 2D) = "white" {}
+    [KeywordEnum(Y, Z)] _Forward("Mesh Forward Direction", Int) = 0
+    [Toggle(BEND_ON)] _Bend("Use Bend", Int) = 0
+    [PowerSlider(10.0)] _Radius("Bend Radius", Range(1, 100)) = 30
+    _Width ("Width", Range(0.0, 10.0)) = 1.92
+    [PowerSlider(10.0)] _Thickness("Thickness", Range(0.01, 10)) = 1
+    [KeywordEnum(Off, Front, Back)] _Cull("Culling", Int) = 2
+    _DispTex ("Displacement Map", 2D) = "black" {}
+    _DispFactor("Displacement Factor", Range(0, 5.0)) = 1
+    _TessMinDist("Tessellation Min Distance", Range(0.1, 100.0)) = 1.0
+    _TessMaxDist("Tessellation Max Distance", Range(0.1, 100.0)) = 5.0
+    _TessFactor("Tessellation Factor", Range(0.1, 50.0)) = 10.0
+}
+
+SubShader
+{
+
+Tags { "RenderType"="Opaque" }
+
+Cull [_Cull]
+
+CGINCLUDE
+
+#include "./uDD_Common.cginc"
+#include "Tessellation.cginc"
+
+Texture2D _DispTex;
+SamplerState sampler_DispTex;
+half _DispFactor;
+half _TessMinDist;
+half _TessMaxDist;
+half _TessFactor;
+
+struct VsInput
+{
+    float3 vertex   : POSITION;
+    float3 normal   : NORMAL;
+    float2 texcoord : TEXCOORD0;
+};
+
+struct HsInput
+{
+    float4 f4Position : POS;
+    float3 f3Normal   : NORMAL;
+    float2 f2TexCoord : TEXCOORD;
+};
+
+struct HsControlPointOutput
+{
+    float3 f3Position : POS;
+    float3 f3Normal   : NORMAL;
+    float2 f2TexCoord : TEXCOORD;
+};
+
+struct HsConstantOutput
+{
+    float fTessFactor[3]    : SV_TessFactor;
+    float fInsideTessFactor : SV_InsideTessFactor;
+};
+
+struct DsOutput
+{
+    float4 f4Position : SV_Position;
+    float2 f2TexCoord : TEXCOORD0;
+};
+
+HsInput vert(VsInput i)
+{
+    HsInput o;
+    o.f4Position = float4(i.vertex, 1.0);
+    o.f3Normal   = i.normal;
+    o.f2TexCoord = i.texcoord;
+    return o;
+}
+
+[domain("tri")]
+[partitioning("integer")]
+[outputtopology("triangle_cw")]
+[patchconstantfunc("hullConst")]
+[outputcontrolpoints(3)]
+HsControlPointOutput hull(InputPatch<HsInput, 3> i, uint id : SV_OutputControlPointID)
+{
+    HsControlPointOutput o = (HsControlPointOutput)0;
+    o.f3Position = i[id].f4Position.xyz;
+    o.f3Normal   = i[id].f3Normal;
+    o.f2TexCoord = i[id].f2TexCoord;
+    return o;
+}
+
+HsConstantOutput hullConst(InputPatch<HsInput, 3> i)
+{
+    HsConstantOutput o = (HsConstantOutput)0;
+    
+    float4 p0 = i[0].f4Position;
+    float4 p1 = i[1].f4Position;
+    float4 p2 = i[2].f4Position;
+    float4 tessFactor = UnityDistanceBasedTess(p0, p1, p2, _TessMinDist, _TessMaxDist, _TessFactor);
+
+    o.fTessFactor[0] = tessFactor.x;
+    o.fTessFactor[1] = tessFactor.y;
+    o.fTessFactor[2] = tessFactor.z;
+    o.fInsideTessFactor = tessFactor.w;
+           
+    return o;
+}
+
+[domain("tri")]
+DsOutput domain(
+    HsConstantOutput hsConst, 
+    const OutputPatch<HsControlPointOutput, 3> i, 
+    float3 bary : SV_DomainLocation)
+{
+    DsOutput o = (DsOutput)0;
+
+    float3 f3Position = 
+        bary.x * i[0].f3Position + 
+        bary.y * i[1].f3Position +
+        bary.z * i[2].f3Position;
+
+    float3 f3Normal = normalize(
+        bary.x * i[0].f3Normal +
+        bary.y * i[1].f3Normal + 
+        bary.z * i[2].f3Normal);
+
+    o.f2TexCoord = 
+        bary.x * i[0].f2TexCoord + 
+        bary.y * i[1].f2TexCoord + 
+        bary.z * i[2].f2TexCoord;
+
+    uddBendNormal(f3Position.x, f3Normal, _Radius, _Width);
+    uddBendVertex(f3Position, _Radius, _Width, _Thickness);
+
+    float disp = length(_DispTex.SampleLevel(sampler_DispTex, o.f2TexCoord, 0)) * _DispFactor;
+    f3Position.xyz += f3Normal * disp;
+
+    o.f4Position = UnityObjectToClipPos(float4(f3Position.xyz, 1.0));
+        
+    return o;
+}
+
+
+fixed4 frag(DsOutput i) : SV_Target
+{
+    return uddGetScreenTexture(i.f2TexCoord) * _Color * _ColorScale;
+}
+
+ENDCG
+
+Pass
+{
+    CGPROGRAM
+    #pragma vertex vert
+    #pragma fragment frag
+    #pragma hull hull
+    #pragma domain domain
+    #pragma shader_feature ___ INVERT_X
+    #pragma shader_feature ___ INVERT_Y
+    #pragma shader_feature _FORWARD_Y _FORWARD_Z
+    #pragma shader_feature ___ USE_GAMMA_TO_LINEAR_SPACE
+    #pragma multi_compile ___ ROTATE90 ROTATE180 ROTATE270
+    #pragma multi_compile ___ USE_CLIP
+    #pragma multi_compile ___ BEND_ON
+    ENDCG
+}
+
+}
+
+Fallback "Unlit/Texture"
+
+}

Assets/uDesktopDuplication/Shaders/uDD_Unlit_Displacement.shader.meta

@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 05df46eb51b13c84eabbdf4c53cc8db7
+timeCreated: 1480072905
+licenseType: Pro
+ShaderImporter:
+  defaultTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/uDesktopDuplication/Shaders/uDD_Unlit_Transparent.shader

@@ -4,12 +4,13 @@
 Properties
 {
     _Color ("Color", Color) = (1, 1, 1, 1)
+    _ColorScale ("ColorScale", Range(0.0, 10.0)) = 1.0
     _MainTex ("Texture", 2D) = "white" {}
-    _CursorTex ("Cursor Texture", 2D) = "white" {}
     [KeywordEnum(Y, Z)] _Forward("Mesh Forward Direction", Int) = 0
     [Toggle(BEND_ON)] _Bend("Use Bend", Int) = 0
     [PowerSlider(10.0)] _Radius("Bend Radius", Range(1, 100)) = 30
     [PowerSlider(10.0)] _Thickness("Thickness", Range(0.01, 10)) = 1
+    _Width("Width", Range(0.0, 10.0)) = 1.0
     [KeywordEnum(Off, Front, Back)] _Cull("Culling", Int) = 2
 }
 
@@ -26,14 +27,10 @@ CGINCLUDE
 
 #include "./uDD_Common.cginc"
 
-half _Radius;
-half _Width;
-half _Thickness;
-
 v2f vert(appdata v)
 {
     v2f o;
-    uddBendVertex(v.vertex, _Radius, _Width, _Thickness);
+    uddBendVertex(v.vertex.xyz, _Radius, _Width, _Thickness);
     o.vertex = UnityObjectToClipPos(v.vertex);
     o.uv = TRANSFORM_TEX(v.uv, _MainTex);
     return o;
@@ -41,7 +38,7 @@ v2f vert(appdata v)
 
 fixed4 frag(v2f i) : SV_Target
 {
-    return fixed4(uddGetScreenTextureWithCursor(i.uv).rgb, 1.0) * _Color;
+    return fixed4(uddGetScreenTexture(i.uv).rgb * _ColorScale, 1.0) * _Color;
 }
 
 ENDCG
@@ -51,12 +48,13 @@ Pass
     CGPROGRAM
     #pragma vertex vert
     #pragma fragment frag
-    #pragma multi_compile ___ INVERT_X
-    #pragma multi_compile ___ INVERT_Y
+    #pragma shader_feature ___ INVERT_X
+    #pragma shader_feature ___ INVERT_Y
+    #pragma shader_feature _FORWARD_Y _FORWARD_Z
+    #pragma shader_feature ___ USE_GAMMA_TO_LINEAR_SPACE
     #pragma multi_compile ___ ROTATE90 ROTATE180 ROTATE270
-    #pragma multi_compile ___ USE_BEND
     #pragma multi_compile ___ USE_CLIP
-    #pragma multi_compile _BEND_OFF _BEND_Y _BEND_Z
+    #pragma multi_compile ___ BEND_ON
     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

@@ -6,22 +6,47 @@
 #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;
 }
 
 
-ComPtr<ID3D11Device> GetDevice()
+ComPtr<ID3D11Device> GetUnityDevice()
 {
     return GetUnity()->Get<IUnityGraphicsD3D11>()->GetDevice();
 }
@@ -33,7 +58,47 @@ const std::unique_ptr<MonitorManager>& GetMonitorManager()
 }
 
 
+LUID GetUnityAdapterLuid()
+{
+    UDD_FUNCTION_SCOPE_TIMER
+
+    const auto device = GetUnityDevice();
+
+    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

@@ -1,31 +1,60 @@
 #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();
-
+Microsoft::WRL::ComPtr<ID3D11Device> GetUnityDevice();
 
 // 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();
 
-template <class T>
-auto MakeUniqueWithReleaser(T* ptr)
+
+
+// Releaser
+class ScopedReleaser
 {
-    const auto deleter = [](T* ptr) 
-    { 
-        if (ptr != nullptr) ptr->Release();
-    };
-    return std::unique_ptr<T, decltype(deleter)>(ptr, deleter);
-}
+public:
+    using ReleaseFuncType = std::function<void()>;
+    ScopedReleaser(ReleaseFuncType&& func) : func_(func) {}
+    virtual ~ScopedReleaser() { func_(); }
+
+private:
+    const ReleaseFuncType func_;
+};
+
+
+
+// Timer
+class ScopedTimer
+{
+public:
+    using microseconds = std::chrono::microseconds;
+    using TimerFuncType = std::function<void(microseconds)>;
+    ScopedTimer(TimerFuncType&& func);
+    virtual ~ScopedTimer();
+
+private:
+    const TimerFuncType func_;
+    const std::chrono::time_point<std::chrono::steady_clock> start_;
+};
+
 
 
 // Message is pooled and fetch from Unity.
@@ -36,4 +65,116 @@ enum class Message
     TextureSizeChanged = 1,
 };
 
-void SendMessageToUnity(Message message);
+void SendMessageToUnity(Message message);
+
+
+
+// Buffer
+template <class T>
+class Buffer final
+{
+public:
+    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)
+    {
+        if (size > size_)
+        {
+            size_ = size;
+            value_ = std::make_unique<T[]>(size);
+        }
+    }
+
+    void Reset()
+    {
+        value_.reset();
+        size_ = 0;
+    }
+
+    UINT Size() const
+    {
+        return size_;
+    }
+
+    T* Get() const
+    {
+        return value_.get();
+    }
+
+    T* Get(UINT offset) const
+    {
+        return (value_.get() + offset);
+    }
+
+    template <class U>
+    U* As() const
+    {
+        return reinterpret_cast<U*>(Get());
+    }
+
+    template <class U>
+    U* As(UINT offset) const
+    {
+        return reinterpret_cast<U*>(Get(offset));
+    }
+
+    operator bool() const
+    {
+        return value_ != nullptr;
+    }
+
+    const T operator [](UINT index) const
+    {
+        if (index >= size_)
+        {
+            Debug::Error("Array index out of range: ", index, size_);
+            return T(0);
+        }
+        return value_[index];
+    }
+
+    T& operator [](UINT index)
+    {
+        if (index >= size_)
+        {
+            Debug::Error("Array index out of range: ", index, size_);
+            return value_[0];
+        }
+        return value_[index];
+    }
+
+private:
+    std::unique_ptr<T[]> value_;
+    UINT size_ = 0;
+};

Plugins/uDesktopDuplication/uDesktopDuplication/Cursor.cpp

@@ -1,16 +1,15 @@
 #include <d3d11.h>
-#include <wrl/client.h>
-#include "Common.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(Monitor* monitor)
-    : monitor_(monitor)
+
+Cursor::Cursor()
 {
 }
 
@@ -20,41 +19,27 @@ Cursor::~Cursor()
 }
 
 
-void Cursor::UpdateBuffer(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;
 
-    if (!IsCursorOnParentMonitor())
-    {
-        return;
-    }
-
     if (frameInfo.PointerShapeBufferSize == 0)
     {
         return;
     }
 
-    // Increase the buffer size if needed
-    if (frameInfo.PointerShapeBufferSize > apiBufferSize_)
-    {
-        apiBufferSize_ = frameInfo.PointerShapeBufferSize;
-        apiBuffer_ = std::make_unique<BYTE[]>(apiBufferSize_);
-    }
-
-    if (!apiBuffer_) 
+    buffer_.ExpandIfNeeded(frameInfo.PointerShapeBufferSize);
+    if (!buffer_) 
     {
         return;
     }
@@ -62,286 +47,350 @@ void Cursor::UpdateBuffer(const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
     // Get mouse pointer information
     UINT bufferSize;
     DXGI_OUTDUPL_POINTER_SHAPE_INFO shapeInfo;
-    const auto hr = monitor_->GetDeskDupl()->GetFramePointerShape(
-        apiBufferSize_,
-        apiBuffer_.get(),
+    const auto hr = duplicator->GetDuplication()->GetFramePointerShape(
+        buffer_.Size(),
+        buffer_.Get(),
         &bufferSize,
         &shapeInfo);
 
     if (FAILED(hr))
     {
         Debug::Error("Cursor::UpdateBuffer() => GetFramePointerShape() failed.");
-        apiBuffer_.reset();
-        apiBufferSize_ = 0;
-		return;
+        buffer_.Reset();
+        return;
     }
 
     shapeInfo_ = shapeInfo;
 }
 
 
-void Cursor::UpdateTexture()
+void Cursor::UpdateTexture(
+    Duplicator* duplicator, 
+    const ComPtr<ID3D11Texture2D>& desktopTexture)
 {
-    if (!IsCursorOnParentMonitor())
+    UDD_FUNCTION_SCOPE_TIMER
+
+    auto monitor = duplicator->GetMonitor();
+
+    // Check desktop texure
+    if (desktopTexture == nullptr) 
     {
+        Debug::Error("Cursor::UpdateTexture() => Desktop texture is null.");
         return;
     }
 
     // Cursor information
-    const bool isMono = GetType() == DXGI_OUTDUPL_POINTER_SHAPE_TYPE_MONOCHROME;
-    const bool isColorMask = GetType() == DXGI_OUTDUPL_POINTER_SHAPE_TYPE_MASKED_COLOR;
-    const auto cursorImageWidth = GetWidth();
+    const auto cursorImageWidth  = GetWidth();
     const auto cursorImageHeight = GetHeight();
-    const auto cursorImagePitch = GetPitch();
+    const auto cursorImagePitch  = GetPitch();
 
-	// Captured area
-    auto capturedImageWidth = cursorImageWidth;
-    auto capturedImageHeight = cursorImageHeight;
+    // Monitor orientation
+    const auto monitorRot = static_cast<DXGI_MODE_ROTATION>(monitor->GetRotation());
+    const auto isMonitorPortrait = 
+        monitorRot == DXGI_MODE_ROTATION_ROTATE90 || 
+        monitorRot == DXGI_MODE_ROTATION_ROTATE270;
+
+    // Captured size (desktop cooridinates).
+    auto capturedImageWidth  = !isMonitorPortrait ? cursorImageWidth  : cursorImageHeight;
+    auto capturedImageHeight = !isMonitorPortrait ? cursorImageHeight : cursorImageWidth;
 
     // Convert the buffer given by API into BGRA32
     const UINT bgraBufferSize = cursorImageWidth * cursorImageHeight * 4;
-    if (bgraBufferSize > bgra32BufferSize_)
+    bgraBuffer_.ExpandIfNeeded(bgraBufferSize);
+    
+    // Check buffers
+    if (!bgraBuffer_ || !buffer_)
     {
-        bgra32BufferSize_ = bgraBufferSize;
-        bgra32Buffer_ = std::make_unique<BYTE[]>(bgra32BufferSize_);
+        Debug::Error("Cursor::UpdateTexture() => no buffer.");
+        return;
     }
-	
-	// Check buffers
-	if (!bgra32Buffer_ || !apiBuffer_) 
-	{
-		return;
-	}
 
-    // If masked, copy the desktop image and merge it with masked image.
-    if (isMono || isColorMask)
+    // Desktop size
+    const int monitorWidth = monitor->GetWidth();
+    const int monitorHeight = monitor->GetHeight();
+    const int desktopImageWidth  = !isMonitorPortrait ? monitorWidth  : monitorHeight;
+    const int desktopImageHeight = !isMonitorPortrait ? monitorHeight : monitorWidth;
+
+    // x_, y_ are cooridinates in rotated monitor.
+    // desktopX, desktopY are coordinates in captured desktop image (always landscape).
+    int desktopX, desktopY;
+    switch (monitorRot)
     {
-        const auto monitorWidth = monitor_->GetWidth();
-        const auto monitorHeight = monitor_->GetHeight();
-		const auto monitorRot = static_cast<DXGI_MODE_ROTATION>(monitor_->GetRotation());
-		const auto isVertical = 
-			monitorRot == DXGI_MODE_ROTATION_ROTATE90 || 
-			monitorRot == DXGI_MODE_ROTATION_ROTATE270;
-		const auto desktopImageWidth  = !isVertical ? monitorWidth  : monitorHeight;
-		const auto desktopImageHeight = !isVertical ? monitorHeight : monitorWidth;
-
-        auto x = x_;
-        auto y = y_;
-        auto colMin = 0;
-        auto colMax = cursorImageWidth;
-        auto rowMin = 0;
-        auto rowMax = cursorImageHeight;
-
-        if (x < 0)
+        case DXGI_MODE_ROTATION_ROTATE90:
         {
-            x = 0;
-            capturedImageWidth = cursorImageWidth + x_;
-            colMin = cursorImageWidth - capturedImageWidth;
+            desktopX = y_;
+            desktopY = (desktopImageHeight - 1) - x_ - cursorImageWidth;
+            break;
         }
-        if (x + capturedImageWidth >= monitorWidth) 
+        case DXGI_MODE_ROTATION_ROTATE180:
         {
-            capturedImageWidth = monitorWidth - x_;
-            colMax = capturedImageWidth;
+            desktopX = (desktopImageWidth  - 1) - x_ - cursorImageWidth;
+            desktopY = (desktopImageHeight - 1) - y_ - cursorImageHeight;
+            break;
         }
-        if (y < 0)
+        case DXGI_MODE_ROTATION_ROTATE270:
         {
-            y = 0;
-            capturedImageHeight = cursorImageHeight + y_;
-            rowMin = cursorImageHeight - capturedImageHeight;
+            desktopX = (desktopImageWidth - 1) - y_ - cursorImageHeight;
+            desktopY = x_;
+            break;
         }
-        if (y + capturedImageHeight >= monitorHeight) 
+        case DXGI_MODE_ROTATION_IDENTITY:
+        case DXGI_MODE_ROTATION_UNSPECIFIED:
+        default:
         {
-            capturedImageHeight = monitorHeight - y_;
-            rowMax = capturedImageHeight;
+            desktopX = x_;
+            desktopY = y_;
+            break;
         }
+    }
 
-        D3D11_BOX box;
-        box.front = 0;
-        box.back = 1;
+    // Calculate information to capture desktop image under cursor.
+    int cursorOffsetX = 0;
+    int cursorOffsetY = 0;
+    int capturedImageLeft   = desktopX;
+    int capturedImageTop    = desktopY;
+    int capturedImageRight  = desktopX + capturedImageWidth;
+    int capturedImageBottom = desktopY + capturedImageHeight;
 
-		switch (monitorRot)
-		{
-			case DXGI_MODE_ROTATION_ROTATE90:
-			{
-				box.left   = y;
-				box.top    = monitorWidth - x - capturedImageWidth;
-				box.right  = y + capturedImageWidth;
-				box.bottom = monitorWidth - x;
-				break;
-			}
-			case DXGI_MODE_ROTATION_ROTATE180:
-			{
-				box.left   = monitorWidth - x - capturedImageWidth;
-				box.top    = monitorHeight - y - capturedImageHeight;
-				box.right  = monitorWidth - x;
-				box.bottom = monitorHeight - y;
-				break;
-			}
-			case DXGI_MODE_ROTATION_ROTATE270:
-			{
-				box.left   = monitorHeight - y - capturedImageHeight;
-				box.top    = x;
-				box.right  = monitorHeight - y;
-				box.bottom = x + capturedImageWidth;
-				break;
-			}
-			case DXGI_MODE_ROTATION_IDENTITY:
-			case DXGI_MODE_ROTATION_UNSPECIFIED:
-			{
-				box.left   = x;
-				box.top    = y;
-				box.right  = x + capturedImageWidth;
-				box.bottom = y + capturedImageHeight;
-				break;
-			}
-		}
+    if (capturedImageLeft < 0)
+    {
+        capturedImageWidth -= -desktopX;
+        cursorOffsetX = -desktopX;
+        capturedImageLeft = 0;
+    }
 
-		if (box.left   <  0 || 
-			box.top    <  0 || 
-			box.right  >= static_cast<UINT>(desktopImageWidth) || 
-			box.bottom >= static_cast<UINT>(desktopImageHeight))
-		{
-			Debug::Error("Cursor::UpdateTexture() => box is out of area.");
-			Debug::Error(
-				"    ",
-				"(", box.left, ", ", box.top, ")", 
-				" ~ (", box.right, ", ", box.bottom, ") > ",
-				"(", desktopImageWidth, ", ", desktopImageHeight, ")");
-			return;
-		}
+    if (capturedImageRight >= desktopImageWidth) 
+    {
+        capturedImageWidth -= capturedImageRight - desktopImageWidth + 1;
+        capturedImageRight = desktopImageWidth - 1;
+    }
 
-        if (monitor_->GetUnityTexture() == nullptr) 
-        {
-            Debug::Error("Cursor::UpdateTexture() => Monitor::GetUnityTexture() is null.");
-            return;
-        }
+    if (capturedImageTop < 0)
+    {
+        capturedImageHeight -= -desktopY;
+        cursorOffsetY = -desktopY;
+        capturedImageTop = 0;
+    }
 
+    if (capturedImageBottom >= desktopImageHeight) 
+    {
+        capturedImageHeight -= capturedImageBottom - desktopImageHeight + 1;
+        capturedImageBottom = desktopImageHeight - 1;
+    }
+
+    // Check if box is inner desktop area
+    if (capturedImageLeft   < 0 || 
+        capturedImageTop    < 0 || 
+        capturedImageRight  >= desktopImageWidth || 
+        capturedImageBottom >= desktopImageHeight)
+    {
+        Debug::Error("Cursor::UpdateTexture() => box is out of area.");
+        Debug::Error(
+            "    ",
+            "(", capturedImageLeft, ", ", capturedImageTop, ")", 
+            " ~ (", capturedImageRight, ", ", capturedImageBottom, ") > ",
+            "(", desktopImageWidth, ", ", desktopImageHeight, ")");
+        return;
+    }
+
+    capturedImageArea_ =
+    { 
+        static_cast<UINT>(capturedImageLeft), 
+        static_cast<UINT>(capturedImageTop),
+        0, 
+        static_cast<UINT>(capturedImageRight), 
+        static_cast<UINT>(capturedImageBottom), 
+        1 
+    };
+
+    if (capturedImageWidth == 0 || capturedImageHeight == 0)
+    {
+        return;
+    }
+
+    // Create texture for capturing desktop image
+    ComPtr<ID3D11Texture2D> texture;
+    {
         D3D11_TEXTURE2D_DESC desc;
-        desc.Width = capturedImageWidth;
-        desc.Height = capturedImageHeight;
-        desc.MipLevels = 1;
-        desc.ArraySize = 1;
-        desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
-        desc.SampleDesc.Count = 1;
+        desc.Width              = cursorImageWidth;
+        desc.Height             = cursorImageHeight;
+        desc.MipLevels          = 1;
+        desc.ArraySize          = 1;
+        desc.Format             = DXGI_FORMAT_B8G8R8A8_UNORM;
+        desc.SampleDesc.Count   = 1;
         desc.SampleDesc.Quality = 0;
-        desc.Usage = D3D11_USAGE_STAGING;
-        desc.BindFlags = 0;
-        desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
-        desc.MiscFlags = 0;
+        desc.Usage              = D3D11_USAGE_STAGING;
+        desc.BindFlags          = 0;
+        desc.CPUAccessFlags     = D3D11_CPU_ACCESS_READ;
+        desc.MiscFlags          = 0;
 
-        ComPtr<ID3D11Texture2D> texture;
-        if (FAILED(GetDevice()->CreateTexture2D(&desc, nullptr, &texture))) 
+        if (FAILED(duplicator->GetDevice()->CreateTexture2D(&desc, nullptr, &texture)))
         {
             Debug::Error("Cursor::UpdateTexture() => GetDevice()->CreateTexture2D() failed.");
             return;
         }
+    }
 
+    // Copy desktop image to the texture
+    {
+        ComPtr<ID3D11DeviceContext> context;
+        duplicator->GetDevice()->GetImmediateContext(&context);
+        context->CopySubresourceRegion(texture.Get(), 0, 0, 0, 0, desktopTexture.Get(), 0, &capturedImageArea_);
+    }
+
+    // Get mapped surface to access pixels in CPU
+    ComPtr<IDXGISurface> surface;
+    if (FAILED(texture.As(&surface)))
+    {
+        Debug::Error("Cursor::UpdateTexture() => texture.As() failed.");
+        return;
+    }
+
+    DXGI_MAPPED_RECT mappedSurface;
+    if (FAILED(surface->Map(&mappedSurface, DXGI_MAP_READ)))
+    {
+        Debug::Error("Cursor::UpdateTexture() => surface->Map() failed.");
+        return;
+    }
+
+    // Finally, get the desktop texture under the mouse cursor.
+    const auto desktop32 = reinterpret_cast<UINT*>(mappedSurface.pBits);
+    const UINT desktopPitch = mappedSurface.Pitch / sizeof(UINT);
+
+    for (int y = 0; y < capturedImageHeight; ++y)
+    {
+        for (int x = 0; x < capturedImageWidth; ++x)
         {
-            ComPtr<ID3D11DeviceContext> context;
-            GetDevice()->GetImmediateContext(&context);
-            context->CopySubresourceRegion(texture.Get(), 0, 0, 0, 0, monitor_->GetUnityTexture(), 0, &box);
-        }
+            // Cursor coordinates
+            int cursorX, cursorY;
 
-        ComPtr<IDXGISurface> surface;
-        if (FAILED(texture.As(&surface)))
-        {
-            Debug::Error("Cursor::UpdateTexture() => texture->QueryInterface() failed.");
-            return;
-        }
-
-        DXGI_MAPPED_RECT mappedSurface;
-        if (FAILED(surface->Map(&mappedSurface, DXGI_MAP_READ)))
-        {
-            Debug::Error("Cursor::UpdateTexture() => surface->Map() failed.");
-            return;
-        }
-
-        // Finally, get the texture behind the mouse cursor.
-        const auto desktop32 = reinterpret_cast<UINT*>(mappedSurface.pBits);
-        const UINT desktopPitch = mappedSurface.Pitch / sizeof(UINT);
-
-		// Take the monitor orientation into consideration.
-		const auto getDesktop32 = [&](int col, int row)
-		{
-			switch (monitorRot)
-			{
-				case DXGI_MODE_ROTATION_ROTATE90:
-					return desktop32[(capturedImageWidth - 1 - col) * desktopPitch + row];
-					break;
-				case DXGI_MODE_ROTATION_ROTATE180:
-					return desktop32[(capturedImageHeight - 1 - row) * desktopPitch + (capturedImageWidth - 1 - col)];
-					break;
-				case DXGI_MODE_ROTATION_ROTATE270:
-					return desktop32[col * desktopPitch + (capturedImageHeight - 1 - row)];
-					break;
-				case DXGI_MODE_ROTATION_IDENTITY:
-				case DXGI_MODE_ROTATION_UNSPECIFIED:
-					return desktop32[row * desktopPitch + col];
-					break;
-			}
-		};
-
-        // Access RGBA values at the same time
-        auto output32 = reinterpret_cast<UINT*>(bgra32Buffer_.get());
-
-        if (isMono)
-        {
-            for (int row = rowMin, y = 0; row < rowMax; ++row, ++y) 
+            switch (monitorRot)
             {
-                for (int col = colMin, x = 0; col < colMax; ++col, ++x) 
+                case DXGI_MODE_ROTATION_ROTATE90:
                 {
-                    BYTE mask = 0b10000000 >> (col % 8);
-                    const BYTE andMask = apiBuffer_[col / 8 + row * cursorImagePitch] & mask;
-                    const BYTE xorMask = apiBuffer_[col / 8 + (row + capturedImageHeight) * cursorImagePitch] & mask;
-                    const UINT andMask32 = andMask ? 0xFFFFFFFF : 0x00000000;
-                    const UINT xorMask32 = xorMask ? 0xFFFFFFFF : 0x00000000;
-                    output32[row * cursorImageWidth + col] = (getDesktop32(x, y) & andMask32) ^ xorMask32;
+                    cursorX = (cursorImageWidth - 1) - (y + cursorOffsetY);
+                    cursorY = (x + cursorOffsetX);
+                    break;
+                }
+                case DXGI_MODE_ROTATION_ROTATE180:
+                {
+                    cursorX = (cursorImageWidth  - 1) - (x + cursorOffsetX);
+                    cursorY = (cursorImageHeight - 1) - (y + cursorOffsetY);
+                    break;
+                }
+                case DXGI_MODE_ROTATION_ROTATE270:
+                {
+                    cursorX = (y + cursorOffsetY);
+                    cursorY = (cursorImageHeight - 1) - (x + cursorOffsetX);
+                    break;
+                }
+                case DXGI_MODE_ROTATION_IDENTITY:
+                case DXGI_MODE_ROTATION_UNSPECIFIED:
+                default:
+                {
+                    cursorX = (x + cursorOffsetX);
+                    cursorY = (y + cursorOffsetY);
+                    break;
                 }
             }
-        }
-        else // DXGI_OUTDUPL_POINTER_SHAPE_TYPE_MASKED_COLOR
-        {
-            const auto buffer32 = reinterpret_cast<UINT*>(apiBuffer_.get());
 
-            for (int row = rowMin, y = 0; row < rowMax; ++row, ++y) 
+            const auto outputIndex = y * capturedImageWidth + x;
+            const auto desktopIndex = y * desktopPitch + x;
+            const auto cursorIndex = cursorY * cursorImageWidth + cursorX;
+            const auto buffer32 = buffer_.As<UINT>();
+            auto output32 = bgraBuffer_.As<UINT>();
+
+            switch (GetType())
             {
-                for (int col = colMin, x = 0; col < colMax; ++col, ++x) 
+                case DXGI_OUTDUPL_POINTER_SHAPE_TYPE_MONOCHROME:
                 {
-                    const int i = col + row * cursorImageWidth;
-                    const int j = col + row * cursorImagePitch / sizeof(UINT);
-
-                    UINT mask = 0xFF000000 & buffer32[j];
+                    BYTE mask = 0b10000000 >> (cursorX % 8);
+                    const BYTE andMask = buffer_[cursorX / 8 + cursorY * cursorImagePitch] & mask;
+                    const BYTE xorMask = buffer_[cursorX / 8 + (cursorY + cursorImageHeight) * cursorImagePitch] & mask;
+                    const UINT andMask32 = andMask ? 0xFFFFFFFF : 0x00000000;
+                    const UINT xorMask32 = xorMask ? 0xFFFFFFFF : 0x00000000;
+                    output32[outputIndex] = (desktop32[desktopIndex] & andMask32) ^ xorMask32;
+                    break;
+                }
+                case DXGI_OUTDUPL_POINTER_SHAPE_TYPE_MASKED_COLOR:
+                {
+                    UINT mask = 0xFF000000 & buffer32[cursorIndex];
                     if (mask)
                     {
-                        output32[i] = (getDesktop32(x, y) ^ buffer32[j]) | 0xFF000000;
+                        output32[outputIndex] = (desktop32[desktopIndex] ^ buffer32[cursorIndex]) | 0xFF000000;
                     }
                     else
                     {
-                        output32[i] = buffer32[j] | 0xFF000000;
+                        output32[outputIndex] = buffer32[cursorIndex] | 0xFF000000;
                     }
+                    break;
+                }
+                case DXGI_OUTDUPL_POINTER_SHAPE_TYPE_COLOR:
+                {
+                    const auto desktop = reinterpret_cast<BYTE*>(&desktop32[desktopIndex]);
+                    const auto desktopB = desktop[0];
+                    const auto desktopG = desktop[1];
+                    const auto desktopR = desktop[2];
+                    const auto desktopA = desktop[3];
+
+                    const auto cursor = buffer_.Get(cursorIndex * 4);
+                    const auto cursorB = cursor[0];
+                    const auto cursorG = cursor[1];
+                    const auto cursorR = cursor[2];
+                    const auto cursorA = cursor[3];
+
+                    const auto a0 = cursorA / 255.f;
+                    const auto a1 = 1.f - a0;
+
+                    auto output = reinterpret_cast<BYTE*>(&output32[outputIndex]);
+                    output[0] = static_cast<BYTE>(cursorB * a0 + desktopB * a1);
+                    output[1] = static_cast<BYTE>(cursorG * a0 + desktopG * a1);
+                    output[2] = static_cast<BYTE>(cursorR * a0 + desktopR * a1);
+                    output[3] = desktopA;
+
+                    break;
+                }
+                default:
+                {
+                    Debug::Error("Cursor::UpdateTexture() => Unknown cursor type");
+                    return;
                 }
             }
         }
+    }
 
-        if (FAILED(surface->Unmap()))
-        {
-            return;
-        }
-    }
-    else // DXGI_OUTDUPL_POINTER_SHAPE_TYPE_COLOR
+    if (FAILED(surface->Unmap()))
     {
-        auto output32 = reinterpret_cast<UINT*>(bgra32Buffer_.get());
-        const auto buffer32 = reinterpret_cast<UINT*>(apiBuffer_.get());
-        for (int i = 0; i < cursorImageWidth * cursorImageHeight; ++i) 
-        {
-            output32[i] = buffer32[i];
-        }
+        Debug::Error("Cursor::UpdateTexture() => surface->Unmap() failed.");
+        return;
     }
 }
 
 
+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;
+    if (capturedImageWidth == 0) return;
+
+    ComPtr<ID3D11DeviceContext> context;
+    GetUnityDevice()->GetImmediateContext(&context);
+    context->UpdateSubresource(texture.Get(), 0, &capturedImageArea_, bgraBuffer_.Get(), capturedImageWidth * 4, 0);
+}
+
+
 void Cursor::GetTexture(ID3D11Texture2D* texture)
 {
-    if (bgra32Buffer_ == nullptr)
+    UDD_FUNCTION_SCOPE_TIMER
+
+    if (!bgraBuffer_)
     {
         Debug::Error("Cursor::GetTexture() => bgra32Buffer is null.");
         return;
@@ -367,8 +416,8 @@ void Cursor::GetTexture(ID3D11Texture2D* texture)
     }
 
     ComPtr<ID3D11DeviceContext> context;
-    GetDevice()->GetImmediateContext(&context);
-    context->UpdateSubresource(texture, 0, nullptr, bgra32Buffer_.get(), GetWidth() * 4, 0);
+    GetUnityDevice()->GetImmediateContext(&context);
+    context->UpdateSubresource(texture, 0, nullptr, bgraBuffer_.Get(), GetWidth() * 4, 0);
 }
 
 
@@ -416,7 +465,13 @@ int Cursor::GetType() const
 }
 
 
-bool Cursor::IsCursorOnParentMonitor() const
-{
-    return GetMonitorManager()->GetCursorMonitorId() == monitor_->GetId();
+int Cursor::GetHotSpotX() const 
+{ 
+    return shapeInfo_.HotSpot.x;
+}
+
+
+int Cursor::GetHotSpotY() const 
+{ 
+    return shapeInfo_.HotSpot.y;
 }

Plugins/uDesktopDuplication/uDesktopDuplication/Cursor.h

@@ -2,17 +2,25 @@
 
 #include <d3d11.h>
 #include <dxgi1_2.h>
+#include <wrl/client.h>
 #include <memory>
 
-class Monitor;
+#include "Common.h"
 
-class Cursor
+class Duplicator;
+
+class Cursor final
 {
 public:
-    explicit Cursor(Monitor* monitor);
+    explicit Cursor();
     ~Cursor();
-    void UpdateBuffer(const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
-    void UpdateTexture();
+    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;
@@ -22,18 +30,16 @@ public:
     int GetHeight() const;
     int GetPitch() const;
     int GetType() const;
+    int GetHotSpotX() const;
+    int GetHotSpotY() const;
 
 private:
-    bool IsCursorOnParentMonitor() const;
-
-    Monitor* monitor_;
     bool isVisible_ = false;
     int x_ = -1;
     int y_ = -1;
-    std::unique_ptr<BYTE[]> apiBuffer_ = nullptr;
-    UINT apiBufferSize_ = 0;
-    std::unique_ptr<BYTE[]> bgra32Buffer_ = nullptr;
-    UINT bgra32BufferSize_ = 0;
-    DXGI_OUTDUPL_POINTER_SHAPE_INFO shapeInfo_;
-    LARGE_INTEGER timestamp_;
+    Buffer<BYTE> buffer_;
+    Buffer<BYTE> bgraBuffer_;
+    DXGI_OUTDUPL_POINTER_SHAPE_INFO shapeInfo_ = {};
+    LARGE_INTEGER timestamp_ = {};
+    D3D11_BOX capturedImageArea_ = {};
 };

Plugins/uDesktopDuplication/uDesktopDuplication/Debug.cpp

@@ -4,15 +4,21 @@
 #include "Debug.h"
 
 
-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::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()
 {
+    if (isInitialized_) return;
+    isInitialized_ = true;
+    
     if (mode_ == Mode::File)
     {
         fs_.open("uDesktopDuplication.log");
@@ -23,6 +29,9 @@ void Debug::Initialize()
 
 void Debug::Finalize()
 {
+    if (!isInitialized_) return;
+    isInitialized_ = false;
+
     if (mode_ == Mode::File)
     {
         Debug::Log("Stop");
@@ -30,4 +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;
         }
     }
 
@@ -64,8 +87,12 @@ private:
                 {
                     switch (level)
                     {
-                        case Level::Log   : logFunc_(ss_.str().c_str()); break;
-                        case Level::Error : errFunc_(ss_.str().c_str()); break;
+                        case Level::Log   : 
+                            if (logFunc_) logFunc_(ss_.str().c_str()); 
+                            break;
+                        case Level::Error : 
+                            if (errFunc_) errFunc_(ss_.str().c_str()); 
+                            break;
                     }
                 }
                 break;
@@ -76,10 +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)
@@ -103,6 +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(" ");
@@ -112,6 +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(" ");
@@ -119,9 +148,37 @@ public:
     }
 
 private:
+    static bool isInitialized_;
     static Mode mode_;
     static std::ofstream fs_;
     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 final
+{
+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 +1,491 @@
+#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());
+    }
+
+
+    HANDLE sharedHandle;
+    ComPtr<IDXGIResource> dxgiResource;
+    sharedTexture.As(&dxgiResource);
+    if (FAILED(dxgiResource->GetSharedHandle(&sharedHandle)))
+    {
+        Debug::Error("Duplicator::Duplicate() => Failed to get shared handle.");
+        return;
+    }
+
+    UpdateCursor(sharedTexture, frameInfo);
+    UpdateMetadata(frameInfo.TotalMetadataBufferSize);
+
+    {
+        std::lock_guard<std::mutex> lock(mutex_);
+        lastFrame_ = Frame
+        {
+            lastFrameId_++,
+            sharedTexture,
+            sharedHandle,
+            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 +1,95 @@
+#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 final
+{
+public:
+    using State = DuplicatorState;
+
+    struct Metadata
+    {
+        Buffer<BYTE> buffer;
+        UINT moveRectSize = 0;
+        UINT dirtyRectSize = 0;
+    };
+
+    struct Frame
+    {
+        UINT id = 0;
+        Microsoft::WRL::ComPtr<ID3D11Texture2D> texture = nullptr;
+        HANDLE textureHandle = nullptr;
+        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

@@ -1,200 +1,174 @@
 #include <d3d11.h>
 #include <ShellScalingAPI.h>
-#include "Common.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)
-    , cursor_(std::make_unique<Cursor>(this))
 {
+	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<ID3D11Texture2D> desktopTexture;
+        if (FAILED(GetUnityDevice()->OpenSharedResource(
+            frame.textureHandle,
+            __uuidof(ID3D11Texture2D),
+            &desktopTexture)))
+        {
+            Debug::Error("Monitor::Render() => Failed to open shared resource.");
+            return;
+        }
+
+        ComPtr<ID3D11DeviceContext> context;
+        GetUnityDevice()->GetImmediateContext(&context);
+        context->CopyResource(unityTexture_, desktopTexture.Get());
+
+        auto& manager = GetMonitorManager();
+        if (id_ == manager->GetCursorMonitorId())
+        {
+            if (auto cursor = manager->GetCursor())
+            {
+                if (cursor->IsVisible())
+                {
+                    cursor->Draw(unityTexture_);
+                }
+            }
+        }
     }
 
-    if (FAILED(GetDpiForMonitor(outputDesc_.Monitor, MDT_RAW_DPI, &dpiX_, &dpiY_)))
-    {
-        Debug::Error("Monitor::Initialize() => GetDpiForMonitor() failed.");
-        return;
-    }
+	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;
-            Debug::Log("Monitor::Initialize() => OK.");
-            Debug::Log("    ID    : ", GetId());
-            Debug::Log("    Size  : (", GetWidth(), ", ", GetHeight(), ")");
-            Debug::Log("    DPI   : (", GetDpiX(), ", ", GetDpiY(), ")");
-            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
 
-    ComPtr<IDXGIResource> resource;
-    DXGI_OUTDUPL_FRAME_INFO frameInfo;
-
-    const auto 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;
-    }
-
-    if (unityTexture_)
-    {
-        ID3D11Texture2D* texture;
-        if (FAILED(resource.CopyTo(&texture)))
-        {
-            Debug::Error("Monitor::Render() => resource.As() failed.");
-            return;
-        }
-
-        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);
-        }
-    }
-
-    cursor_->UpdateBuffer(frameInfo);
-    cursor_->UpdateTexture();
-
-    if (FAILED(deskDupl_->ReleaseFrame()))
-    {
-        Debug::Error("Monitor::Render() => ReleaseFrame() failed.");
-    }
+    duplicator_->Stop();
 }
 
 
@@ -204,9 +178,21 @@ 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();
 }
 
 
@@ -222,21 +208,18 @@ ID3D11Texture2D* Monitor::GetUnityTexture() const
 }
 
 
-IDXGIOutputDuplication* Monitor::GetDeskDupl() 
-{ 
-    return deskDupl_; 
-}
-
-
-const std::unique_ptr<Cursor>& Monitor::GetCursor() 
-{ 
-    return cursor_; 
-}
-
-
-void Monitor::GetCursorTexture(ID3D11Texture2D* texture)
+HANDLE Monitor::GetSharedTextureHandle() const
 {
-    cursor_->GetTexture(texture);
+    UDD_FUNCTION_SCOPE_TIMER
+
+    const auto& frame = duplicator_->GetLastFrame();
+    return frame.textureHandle;
+}
+
+
+ComPtr<IDXGIOutputDuplication> Monitor::GetDeskDupl() 
+{ 
+    return duplicator_->GetDuplication(); 
 }
 
 
@@ -252,6 +235,12 @@ bool Monitor::IsPrimary() const
 }
 
 
+bool Monitor::HasBeenUpdated() const
+{
+    return hasBeenUpdated_;
+}
+
+
 int Monitor::GetLeft() const
 {
     return static_cast<int>(outputDesc_.DesktopCoordinates.left);
@@ -303,4 +292,246 @@ int Monitor::GetWidth() const
 int Monitor::GetHeight() const
 {
     return height_;
-}
+}
+
+
+int Monitor::GetMoveRectCount() const
+{
+    const auto& metaData = duplicator_->GetLastFrame().metaData;
+    return metaData.moveRectSize / sizeof(DXGI_OUTDUPL_MOVE_RECT);
+}
+
+
+DXGI_OUTDUPL_MOVE_RECT* Monitor::GetMoveRects() const
+{
+    const auto& metaData = duplicator_->GetLastFrame().metaData;
+    return metaData.buffer.As<DXGI_OUTDUPL_MOVE_RECT>();
+}
+
+
+int Monitor::GetDirtyRectCount() const
+{
+    const auto& metaData = duplicator_->GetLastFrame().metaData;
+    return metaData.dirtyRectSize / sizeof(RECT);
+}
+
+
+RECT* Monitor::GetDirtyRects() const
+{
+    const auto& metaData = duplicator_->GetLastFrame().metaData;
+    return metaData.buffer.As<RECT>(metaData.moveRectSize);
+}
+
+
+void Monitor::UseGetPixels(bool use)
+{
+    useGetPixels_ = use;
+}
+
+
+bool Monitor::UseGetPixels() const
+{
+    return useGetPixels_;
+}
+
+
+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();
+    const auto isVertical = 
+        monitorRot == DXGI_MODE_ROTATION_ROTATE90 || 
+        monitorRot == DXGI_MODE_ROTATION_ROTATE270;
+    const auto desktopImageWidth  = !isVertical ? monitorWidth  : monitorHeight;
+    const auto desktopImageHeight = !isVertical ? monitorHeight : monitorWidth;
+
+    if (!textureForGetPixels_)
+    {
+        D3D11_TEXTURE2D_DESC desc;
+        desc.Width              = desktopImageWidth;
+        desc.Height             = desktopImageHeight;
+        desc.MipLevels          = 1;
+        desc.ArraySize          = 1;
+        desc.Format             = DXGI_FORMAT_B8G8R8A8_UNORM;
+        desc.SampleDesc.Count   = 1;
+        desc.SampleDesc.Quality = 0;
+        desc.Usage              = D3D11_USAGE_STAGING;
+        desc.BindFlags          = 0;
+        desc.CPUAccessFlags     = D3D11_CPU_ACCESS_READ;
+        desc.MiscFlags          = 0;
+
+        if (FAILED(GetUnityDevice()->CreateTexture2D(&desc, nullptr, &textureForGetPixels_)))
+        {
+            Debug::Error("Monitor::CopyTextureFromGpuToCpu() => GetDevice()->CreateTexture2D() failed.");
+            return;
+        }
+    }
+
+    {
+        ComPtr<ID3D11DeviceContext> context;
+        GetUnityDevice()->GetImmediateContext(&context);
+        context->CopyResource(textureForGetPixels_.Get(), texture);
+    }
+
+    ComPtr<IDXGISurface> surface;
+    if (FAILED(textureForGetPixels_.As(&surface)))
+    {
+        Debug::Error("Monitor::CopyTextureFromGpuToCpu() => texture.As() failed.");
+        return;
+    }
+
+    DXGI_MAPPED_RECT mappedSurface;
+    if (FAILED(surface->Map(&mappedSurface, DXGI_MAP_READ)))
+    {
+        Debug::Error("Monitor::CopyTextureFromGpuToCpu() => surface->Map() failed.");
+        return;
+    }
+
+    const UINT size = desktopImageWidth * desktopImageHeight * sizeof(UINT);
+    bufferForGetPixels_.ExpandIfNeeded(size);
+    std::memcpy(bufferForGetPixels_.Get(), mappedSurface.pBits, size);
+
+    if (FAILED(surface->Unmap()))
+    {
+        Debug::Error("Monitor::CopyTextureFromGpuToCpu() => surface->Unmap() failed.");
+        return;
+    }
+}
+
+
+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().");
+        return false;
+    }
+
+    if (!bufferForGetPixels_)
+    {
+        Debug::Error("Monitor::GetPixels() => CopyTextureFromGpuToCpu() has not been called yet.");
+        return false;
+    }
+
+    const auto monitorRot = static_cast<DXGI_MODE_ROTATION>(GetRotation());
+    const auto monitorWidth = GetWidth();
+    const auto monitorHeight = GetHeight();
+    const auto isVertical = 
+        monitorRot == DXGI_MODE_ROTATION_ROTATE90 || 
+        monitorRot == DXGI_MODE_ROTATION_ROTATE270;
+    const auto desktopImageWidth  = !isVertical ? monitorWidth  : monitorHeight;
+    const auto desktopImageHeight = !isVertical ? monitorHeight : monitorWidth;
+
+    // check area in destop coorinates.
+    int left, top, right, bottom;
+
+    switch (monitorRot)
+    {
+        case DXGI_MODE_ROTATION_ROTATE90:
+        {
+            left   = y;
+            top    = monitorWidth - x - width;
+            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 - 1;
+            bottom = monitorHeight - y - 1;
+            break;
+        }
+        case DXGI_MODE_ROTATION_ROTATE270:
+        {
+            left   = monitorHeight - y - height;
+            top    = x;
+            right  = monitorHeight - y - 1;
+            bottom = x + width - 1;
+            break;
+        }
+        case DXGI_MODE_ROTATION_IDENTITY:
+        case DXGI_MODE_ROTATION_UNSPECIFIED:
+        default:
+        {
+            left   = x;
+            top    = y;
+            right  = x + width - 1;
+            bottom = y + height - 1;
+            break;
+        }
+    }
+
+    if (left   <  0 || 
+        top    <  0 || 
+        right  >= desktopImageWidth || 
+        bottom >= desktopImageHeight)
+    {
+        Debug::Error("Monitor::GetPixels() => is out of area.");
+        Debug::Error(
+            "    ",
+            "(", left, ", ", top, ")", 
+            " ~ (", right, ", ", bottom, ") > ",
+            "(", desktopImageWidth, ", ", desktopImageHeight, ")");
+        return false;
+    }
+
+    for (int row = 0; row < height; ++row)
+    {
+        for (int col = 0; col < width; ++col)
+        {
+            int inRow, inCol;
+            switch (monitorRot)
+            {
+                case DXGI_MODE_ROTATION_ROTATE90:
+                    inCol = left + row;
+                    inRow = bottom - 1 - col;
+                    break;
+                case DXGI_MODE_ROTATION_ROTATE180:
+                    inCol = right - 1 - col;
+                    inRow = bottom - 1 - row;
+                    break;
+                case DXGI_MODE_ROTATION_ROTATE270:
+                    inCol = right - 1 - row;
+                    inRow = top + col;
+                    break;
+                case DXGI_MODE_ROTATION_IDENTITY:
+                case DXGI_MODE_ROTATION_UNSPECIFIED:
+                default:
+                    inCol = left + col;
+                    inRow = top + row;
+                    break;
+            }
+            const auto inIndex = 4 * (inRow * desktopImageWidth + inCol);
+
+            const auto outRow = height - 1 - row;
+            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];
+            output[outIndex + 2] = bufferForGetPixels_[inIndex + 0];
+            output[outIndex + 3] = bufferForGetPixels_[inIndex + 3];
+        }
+    }
+
+    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

@@ -4,41 +4,39 @@
 #include <dxgi1_2.h>
 #include <wrl/client.h>
 #include <memory>
+#include <mutex>
+#include <thread>
+#include "Common.h"
 
-class Cursor;
 
-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
+
+class Monitor final
 {
 public:
-    using State = MonitorState;
-
     explicit Monitor(int id);
     ~Monitor();
-    void Initialize(IDXGIOutput* output);
-    void Render(UINT timeout = 0);
-    void GetCursorTexture(ID3D11Texture2D* texture);
+	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;
+    HANDLE GetSharedTextureHandle() const;
     void GetName(char* buf, int len) const;
     bool IsPrimary() const;
+    bool HasBeenUpdated() const;
     int GetLeft() const;
     int GetRight() const;
     int GetTop() const;
@@ -48,17 +46,35 @@ public:
     int GetRotation() const;
     int GetDpiX() const;
     int GetDpiY() const;
-    IDXGIOutputDuplication* GetDeskDupl();
-    const std::unique_ptr<Cursor>& GetCursor();
+    Microsoft::WRL::ComPtr<IDXGIOutputDuplication> GetDeskDupl();
+    int GetMoveRectCount() const;
+    DXGI_OUTDUPL_MOVE_RECT* GetMoveRects() const;
+    int GetDirtyRectCount() const;
+    RECT* GetDirtyRects() const;
+    void UseGetPixels(bool use);
+    bool UseGetPixels() const;
+    bool GetPixels(BYTE* output, int x, int y, int width, int height);
+    BYTE* GetBuffer() const;
 
 private:
-    int id_ = -1;
+    void CopyTextureFromGpuToCpu(ID3D11Texture2D* texture);
+
+    MonitorManager* manager_ = nullptr;
+    const int id_;
     UINT dpiX_ = -1, dpiY_ = -1;
     int width_ = -1, height_ = -1;
-    State state_ = State::NotSet;
-    std::unique_ptr<Cursor> cursor_;
-    IDXGIOutputDuplication* deskDupl_ = nullptr;
+    bool hasBeenUpdated_ = false;
+    bool useGetPixels_ = false;
+
+    Microsoft::WRL::ComPtr<IDXGIOutput> output_;
+    Microsoft::WRL::ComPtr<IDXGIAdapter> adapter_;
+    DXGI_OUTPUT_DESC outputDesc_ = {};
+    MONITORINFOEX monitorInfo_ = {};
+
+    std::shared_ptr<class Duplicator> duplicator_;
+    UINT lastFrameId_ = -1;
+
     ID3D11Texture2D* unityTexture_ = nullptr;
-    DXGI_OUTPUT_DESC outputDesc_;
-    MONITORINFOEX monitorInfo_;
-};
+    Microsoft::WRL::ComPtr<ID3D11Texture2D> textureForGetPixels_;
+    Buffer<BYTE> bufferForGetPixels_;
+};