fix bug that destroyed texture in non-main thread.

Assets/uDesktopDuplication/Examples/Prefabs/Monitor Plane for Displacement Mapping.prefab.meta

@@ -0,0 +1,8 @@
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+licenseType: Pro
+NativeFormatImporter:
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Assets/uDesktopDuplication/Examples/Scenes/Displacement.unity.meta

@@ -0,0 +1,8 @@
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+timeCreated: 1480074355
+licenseType: Pro
+DefaultImporter:
+  userData: 
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Assets/uDesktopDuplication/Examples/Scenes/GetPixels.unity.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 38a5db360d5147c46ae925104162b881
+timeCreated: 1480420198
+licenseType: Pro
+DefaultImporter:
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/uDesktopDuplication/Examples/Scenes/Meta Data.unity.meta

@@ -0,0 +1,8 @@
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+timeCreated: 1479544409
+licenseType: Pro
+DefaultImporter:
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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

@@ -1,12 +1,12 @@
 fileFormatVersion: 2
-guid: d2d9e4ca459ecb44da8815bafe9655c5
-timeCreated: 1477635630
+guid: 859a2446b86e55c43932212872c82748
+timeCreated: 1480146517
 licenseType: Pro
 MonoImporter:
   serializedVersion: 2
   defaultReferences: []
   executionOrder: 0
-  icon: {fileID: 2800000, guid: 89616e59e1cccb346bd4e959257990ca, type: 3}
+  icon: {instanceID: 0}
   userData: 
   assetBundleName: 
   assetBundleVariant: 

Assets/uDesktopDuplication/Examples/Scripts/GazePointAnalyzer.cs

@@ -0,0 +1,168 @@
+using UnityEngine;
+using MeshForwardDirection = uDesktopDuplication.Texture.MeshForwardDirection;
+
+[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

@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 52d402bdca823cc42925c9d65993ee59
+timeCreated: 1479546123
+licenseType: Pro
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/uDesktopDuplication/Examples/Scripts/GetPixelsExample.cs

@@ -0,0 +1,36 @@
+using UnityEngine;
+
+public class GetPixelsExample : MonoBehaviour
+{
+    [SerializeField] uDesktopDuplication.Texture uddTexture;
+
+    [SerializeField] int x = 100;
+    [SerializeField] int y = 100;
+    const int width = 64;
+    const int height = 32;
+    
+    public Texture2D texture;
+    Color32[] colors = new Color32[width * height];
+
+    void Start()
+    {
+        texture = new Texture2D(width, height, TextureFormat.ARGB32, false);
+        GetComponent<Renderer>().material.mainTexture = texture;
+    }
+
+    void Update()
+    {
+        // must be called (performance will be slightly down).
+        uDesktopDuplication.Manager.primary.useGetPixels = true;
+
+        var monitor = uddTexture.monitor;
+        if (!monitor.hasBeenUpdated) return;
+
+        if (monitor.GetPixels(colors, x, y, width, height)) {
+            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 +27,12 @@ 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 x = monitor.isCursorVisible ? 
+            (float)monitor.cursorX / monitor.width :
+            (float)monitor.systemCursorX / monitor.width;
+        var y = monitor.isCursorVisible ? 
+            (float)monitor.cursorY / 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 +42,7 @@ 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 MonitorState = uDesktopDuplication.MonitorState;
 
 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 == MonitorState.Unsupported) {
                         Destroy(info.gameObject);
                     }
                 }
-                monitors_.RemoveAll(info => info.uddTexture.monitor.state == uDesktopDuplication.MonitorState.Unsupported);
+                monitors.RemoveAll(info => info.uddTexture.monitor.state == MonitorState.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;
 
+            // 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/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/Materials/uDD_Screen_Unlit_Displacement.mat.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 596fd740aeeee0d4cb4f962d4072954e
+timeCreated: 1480074277
+licenseType: Pro
+NativeFormatImporter:
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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

@@ -0,0 +1,87 @@
+fileFormatVersion: 2
+guid: f30f6cfd6aa37554ca886424cada7cbb
+timeCreated: 1480072865
+licenseType: Pro
+ModelImporter:
+  serializedVersion: 19
+  fileIDToRecycleName:
+    100000: //RootNode
+    100002: uDD_Plane_MeshPart0
+    100004: uDD_Plane_MeshPart1
+    400000: //RootNode
+    400002: uDD_Plane_MeshPart0
+    400004: uDD_Plane_MeshPart1
+    2300000: //RootNode
+    2300002: uDD_Plane_MeshPart0
+    2300004: uDD_Plane_MeshPart1
+    3300000: //RootNode
+    3300002: uDD_Plane_MeshPart0
+    3300004: uDD_Plane_MeshPart1
+    4300000: uDD_Plane
+    4300002: uDD_Plane_MeshPart0
+    4300004: uDD_Plane_MeshPart1
+    9500000: //RootNode
+  materials:
+    importMaterials: 0
+    materialName: 0
+    materialSearch: 1
+  animations:
+    legacyGenerateAnimations: 4
+    bakeSimulation: 0
+    resampleCurves: 1
+    optimizeGameObjects: 0
+    motionNodeName: 
+    animationImportErrors: 
+    animationImportWarnings: 
+    animationRetargetingWarnings: 
+    animationDoRetargetingWarnings: 0
+    animationCompression: 1
+    animationRotationError: 0.5
+    animationPositionError: 0.5
+    animationScaleError: 0.5
+    animationWrapMode: 0
+    extraExposedTransformPaths: []
+    clipAnimations: []
+    isReadable: 0
+  meshes:
+    lODScreenPercentages: []
+    globalScale: 0.1
+    meshCompression: 0
+    addColliders: 0
+    importBlendShapes: 0
+    swapUVChannels: 0
+    generateSecondaryUV: 0
+    useFileUnits: 1
+    optimizeMeshForGPU: 1
+    keepQuads: 0
+    weldVertices: 1
+    secondaryUVAngleDistortion: 8
+    secondaryUVAreaDistortion: 15.000001
+    secondaryUVHardAngle: 88
+    secondaryUVPackMargin: 4
+    useFileScale: 1
+  tangentSpace:
+    normalSmoothAngle: 60
+    normalImportMode: 0
+    tangentImportMode: 2
+  importAnimation: 0
+  copyAvatar: 0
+  humanDescription:
+    human: []
+    skeleton: []
+    armTwist: 0.5
+    foreArmTwist: 0.5
+    upperLegTwist: 0.5
+    legTwist: 0.5
+    armStretch: 0.05
+    legStretch: 0.05
+    feetSpacing: 0
+    rootMotionBoneName: 
+    hasTranslationDoF: 0
+  lastHumanDescriptionAvatarSource: {instanceID: 0}
+  animationType: 0
+  humanoidOversampling: 1
+  additionalBone: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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,
@@ -49,6 +53,26 @@ 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 +80,11 @@ 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 +98,9 @@ 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")]
@@ -118,21 +144,35 @@ public static class Lib
     [DllImport("uDesktopDuplication")]
     public static extern bool IsCursorVisible(int id);
     [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);
     [DllImport("uDesktopDuplication")]
     public static extern int SetTexturePtr(int id, IntPtr ptr);
+    [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, System.IntPtr ptr, int x, int y, int width, int height);
+    [DllImport("uDesktopDuplication")]
+    public static extern bool HasBeenUpdated(int id);
+    [DllImport("uDesktopDuplication")]
+    public static extern bool UseGetPixels(int id, bool use);
 
     public static string GetName(int id)
     {
@@ -140,6 +180,60 @@ 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 +52,19 @@ 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 = msg => Debug.Log(msg);
+    public static event Lib.DebugLogDelegate onDebugErr = msg => Debug.LogError(msg);
 
     public delegate void ReinitializeHandler();
     public static event ReinitializeHandler onReinitialized;
@@ -72,28 +80,44 @@ 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.SetTimeout(desktopDuplicationApiTimeout);
+        Lib.Initialize();
+
         CreateMonitors();
     }
 
     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 +126,9 @@ public class Manager : MonoBehaviour
             StopCoroutine(renderCoroutine_);
             renderCoroutine_ = null;
         }
+
+        Lib.SetLogFunc(null);
+        Lib.SetErrorFunc(null);
     }
 
     void Update()
@@ -109,6 +136,7 @@ public class Manager : MonoBehaviour
         Lib.Update();
         ReinitializeIfNeeded();
         UpdateMessage();
+        isFirstFrame_ = false;
     }
 
     [ContextMenu("Reinitialize")]
@@ -128,11 +156,13 @@ 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 == MonitorState.NotSet ||
+                state == MonitorState.AccessLost || 
+                state == MonitorState.AccessDenied ||
+                state == MonitorState.SessionDisconnected ||
+                state == MonitorState.Unknown
             ) {
                 reinitializeNeeded = true;
                 break;

Assets/uDesktopDuplication/Scripts/Monitor.cs

@@ -40,7 +40,6 @@ public class Monitor
 
     ~Monitor()
     {
-        DestroyTexture();
     }
 
     public int id 
@@ -146,12 +145,22 @@ 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
@@ -161,12 +170,12 @@ public class Monitor
 
     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 +198,56 @@ 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 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 +268,7 @@ public class Monitor
     }
 
     private Texture2D texture_;
+    private System.IntPtr texturePtr_;
     public Texture2D texture 
     {
         get 
@@ -232,8 +281,8 @@ 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);
         }
     }
@@ -270,6 +319,7 @@ 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 +327,7 @@ public class Monitor
         if (texture_) {
             Object.Destroy(texture_);
             texture_ = null;
+            texturePtr_ = System.IntPtr.Zero;
         }
     }
 
@@ -284,6 +335,33 @@ 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

@@ -3,7 +3,7 @@
 namespace uDesktopDuplication
 {
 
-[AddComponentMenu("uDesktopDuplication/Texture"), RequireComponent(typeof(Cursor))] 
+[AddComponentMenu("uDesktopDuplication/Texture")] 
 public class Texture : MonoBehaviour
 {
     private Monitor monitor_;
@@ -21,6 +21,7 @@ public class Texture : MonoBehaviour
         }
     }
 
+    private int lastMonitorId_ = 0;
     public int monitorId
     { 
         get { return monitor.id; }
@@ -52,8 +53,10 @@ public class Texture : MonoBehaviour
         {
             if (value) {
                 material.EnableKeyword("BEND_ON");
+                material.SetInt("_Bend", 1);
             } else {
                 material.DisableKeyword("BEND_ON");
+                material.SetInt("_Bend", 0);
             }
         }
     }
@@ -69,13 +72,13 @@ 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;
             }
         }
@@ -105,11 +108,6 @@ public class Texture : MonoBehaviour
         private set;
     }
 
-    void Awake()
-    {
-        AddCursorIfNotAttached();
-    }
-
     void OnEnable()
     {
         if (monitor == null) {
@@ -125,22 +123,24 @@ public class Texture : MonoBehaviour
 
     void Update()
     {
+        KeepMonitor();
         monitor.shouldBeUpdated = true;
         UpdateMaterial();
     }
 
-    void AddCursorIfNotAttached()
+    void KeepMonitor()
     {
-        if (!GetComponent<Cursor>())
-        {
-            gameObject.AddComponent<Cursor>();
+        if (monitor == null) {
+            Reinitialize();
+        } else {
+            lastMonitorId_ = monitorId;
         }
     }
 
     void Reinitialize()
     {
         // Monitor instance is released here when initialized.
-        monitor = Manager.GetMonitor(monitor.id);
+        monitor = Manager.GetMonitor(lastMonitorId_);
     }
 
     void UpdateMaterial()
@@ -203,6 +203,33 @@ public class Texture : MonoBehaviour
             material.DisableKeyword("USE_CLIP");
         }
     }
+
+    public Vector3 GetWorldPositionFromCoord(int u, int v)
+    {
+        // Mesh & Scale information
+        var mesh = GetComponent<MeshFilter>().sharedMesh;
+        var width  = transform.localScale.x * (mesh.bounds.extents.x * 2f);
+        var height = transform.localScale.y * (mesh.bounds.extents.y * 2f);
+
+        // 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(width * x, height * 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);
+    }
 }
 
 }

Assets/uDesktopDuplication/Shaders/uDD_Common.cginc

@@ -63,47 +63,34 @@ inline void uddConvertToLinearIfNeeded(inout fixed3 rgb)
     }
 }
 
-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
@@ -115,4 +102,30 @@ inline void uddBendVertex(inout float4 v, half radius, half width, half thicknes
 #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
+}
+
 #endif

Assets/uDesktopDuplication/Shaders/uDD_Standard.shader

@@ -34,7 +34,7 @@ SubShader
 
     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;

Assets/uDesktopDuplication/Shaders/uDD_Unlit.shader

@@ -5,11 +5,11 @@ Properties
 {
     _Color ("Color", Color) = (1, 1, 1, 1)
     _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
 }
 
@@ -31,7 +31,7 @@ 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 +39,7 @@ v2f vert(appdata v)
 
 fixed4 frag(v2f i) : SV_Target
 {
-    return uddGetScreenTextureWithCursor(i.uv);
+    return uddGetScreenTexture(i.uv);
 }
 
 ENDCG

Assets/uDesktopDuplication/Shaders/uDD_Unlit_BlackMask.shader

@@ -6,11 +6,11 @@ Properties
     _Color ("Color", Color) = (1, 1, 1, 1)
     _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
 }
 
@@ -35,7 +35,7 @@ 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;
@@ -43,7 +43,7 @@ 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);
 }

Assets/uDesktopDuplication/Shaders/uDD_Unlit_Displacement.shader

@@ -0,0 +1,178 @@
+Shader "uDesktopDuplication/Unlit_Displacement"
+{
+
+Properties
+{
+    _Color ("Color", Color) = (1, 1, 1, 1)
+    _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"
+
+half _Radius;
+half _Width;
+half _Thickness;
+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 = mul(UNITY_MATRIX_MVP, float4(f3Position.xyz, 1.0));
+        
+    return o;
+}
+
+
+fixed4 frag(DsOutput i) : SV_Target
+{
+    return uddGetScreenTexture(i.f2TexCoord);
+}
+
+ENDCG
+
+Pass
+{
+    CGPROGRAM
+    #pragma vertex vert
+    #pragma fragment frag
+    #pragma hull hull
+    #pragma domain domain
+    #pragma multi_compile ___ INVERT_X
+    #pragma multi_compile ___ INVERT_Y
+    #pragma multi_compile ___ ROTATE90 ROTATE180 ROTATE270
+    #pragma multi_compile ___ USE_CLIP
+    #pragma multi_compile ___ BEND_ON
+    #pragma multi_compile _FORWARD_Y _FORWARD_Z
+    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

@@ -5,11 +5,11 @@ Properties
 {
     _Color ("Color", Color) = (1, 1, 1, 1)
     _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
 }
 
@@ -33,7 +33,7 @@ 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 +41,7 @@ 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, 1.0) * _Color;
 }
 
 ENDCG

Plugins/uDesktopDuplication/uDesktopDuplication/Common.cpp

@@ -36,4 +36,4 @@ const std::unique_ptr<MonitorManager>& GetMonitorManager()
 void SendMessageToUnity(Message message)
 {
     g_messages.push(message);
-}
+}

Plugins/uDesktopDuplication/uDesktopDuplication/Common.h

@@ -17,17 +17,6 @@ class MonitorManager;
 const std::unique_ptr<MonitorManager>& GetMonitorManager();
 
 
-template <class T>
-auto MakeUniqueWithReleaser(T* ptr)
-{
-    const auto deleter = [](T* ptr) 
-    { 
-        if (ptr != nullptr) ptr->Release();
-    };
-    return std::unique_ptr<T, decltype(deleter)>(ptr, deleter);
-}
-
-
 // Message is pooled and fetch from Unity.
 enum class Message
 {
@@ -36,4 +25,85 @@ enum class Message
     TextureSizeChanged = 1,
 };
 
-void SendMessageToUnity(Message message);
+void SendMessageToUnity(Message message);
+
+
+// Buffer
+template <class T>
+class Buffer
+{
+public:
+    Buffer() {}
+    ~Buffer() {}
+
+    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

@@ -1,6 +1,5 @@
 #include <d3d11.h>
 #include <wrl/client.h>
-#include "Common.h"
 #include "Debug.h"
 #include "MonitorManager.h"
 #include "Monitor.h"
@@ -9,8 +8,7 @@
 using namespace Microsoft::WRL;
 
 
-Cursor::Cursor(Monitor* monitor)
-    : monitor_(monitor)
+Cursor::Cursor()
 {
 }
 
@@ -20,7 +18,7 @@ Cursor::~Cursor()
 }
 
 
-void Cursor::UpdateBuffer(const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
+void Cursor::UpdateBuffer(Monitor* monitor, const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
 {
     if (frameInfo.LastMouseUpdateTime.QuadPart == 0)
     {
@@ -30,31 +28,20 @@ void Cursor::UpdateBuffer(const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
     isVisible_ = frameInfo.PointerPosition.Visible != 0;
     if (isVisible_) 
     {
-        GetMonitorManager()->SetCursorMonitorId(monitor_->GetId());
+        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 +49,332 @@ 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 = monitor->GetDeskDupl()->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::Draw(Monitor* monitor)
 {
-    if (!IsCursorOnParentMonitor())
+    // Check desktop texure
+    if (monitor->GetUnityTexture() == nullptr) 
     {
+        Debug::Error("Cursor::UpdateTexture() => Monitor::GetUnityTexture() 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_);
+        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;
+        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;
+        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;
+    }
+
+    if (capturedImageWidth == 0 || capturedImageHeight == 0)
+    {
+        return;
+    }
+
+    D3D11_BOX capturedImageArea 
+    { 
+        static_cast<UINT>(capturedImageLeft), 
+        static_cast<UINT>(capturedImageTop),
+        0, 
+        static_cast<UINT>(capturedImageRight), 
+        static_cast<UINT>(capturedImageBottom), 
+        1 
+    };
+
+    // 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              = capturedImageWidth;
+        desc.Height             = capturedImageHeight;
+        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(GetDevice()->CreateTexture2D(&desc, nullptr, &texture)))
         {
             Debug::Error("Cursor::UpdateTexture() => GetDevice()->CreateTexture2D() failed.");
             return;
         }
+    }
 
+    // Copy desktop image to the texture
+    {
+        ComPtr<ID3D11DeviceContext> context;
+        GetDevice()->GetImmediateContext(&context);
+        context->CopySubresourceRegion(texture.Get(), 0, 0, 0, 0, monitor->GetUnityTexture(), 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);
+
+    // Rotate cursor image to match the monitor orientation
+    Buffer<BYTE> rotatedBuffer_;
+    rotatedBuffer_.ExpandIfNeeded(buffer_.Size());
+
+    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
+
     {
-        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];
-        }
+        ComPtr<ID3D11DeviceContext> context;
+        GetDevice()->GetImmediateContext(&context);
+        context->UpdateSubresource(monitor->GetUnityTexture(), 0, &capturedImageArea, bgraBuffer_.Get(), capturedImageWidth * 4, 0);
+    }
+
+    if (FAILED(surface->Unmap()))
+    {
+        Debug::Error("Cursor::UpdateTexture() => surface->Unmap() failed.");
+        return;
     }
 }
 
 
 void Cursor::GetTexture(ID3D11Texture2D* texture)
 {
-    if (bgra32Buffer_ == nullptr)
+    if (!bgraBuffer_)
     {
         Debug::Error("Cursor::GetTexture() => bgra32Buffer is null.");
         return;
@@ -368,7 +401,7 @@ void Cursor::GetTexture(ID3D11Texture2D* texture)
 
     ComPtr<ID3D11DeviceContext> context;
     GetDevice()->GetImmediateContext(&context);
-    context->UpdateSubresource(texture, 0, nullptr, bgra32Buffer_.get(), GetWidth() * 4, 0);
+    context->UpdateSubresource(texture, 0, nullptr, bgraBuffer_.Get(), GetWidth() * 4, 0);
 }
 
 
@@ -413,10 +446,4 @@ int Cursor::GetPitch() const
 int Cursor::GetType() const
 {
     return shapeInfo_.Type;
-}
-
-
-bool Cursor::IsCursorOnParentMonitor() const
-{
-    return GetMonitorManager()->GetCursorMonitorId() == monitor_->GetId();
 }

Plugins/uDesktopDuplication/uDesktopDuplication/Cursor.h

@@ -3,16 +3,17 @@
 #include <d3d11.h>
 #include <dxgi1_2.h>
 #include <memory>
+#include "Common.h"
 
 class Monitor;
 
 class Cursor
 {
 public:
-    explicit Cursor(Monitor* monitor);
+    explicit Cursor();
     ~Cursor();
-    void UpdateBuffer(const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
-    void UpdateTexture();
+    void UpdateBuffer(Monitor* monitor, const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
+    void Draw(Monitor* monitor);
     void GetTexture(ID3D11Texture2D* texture);
 
     bool IsVisible() const;
@@ -24,16 +25,11 @@ public:
     int GetType() 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;
+    Buffer<BYTE> buffer_;
+    Buffer<BYTE> bgraBuffer_;
     DXGI_OUTDUPL_POINTER_SHAPE_INFO shapeInfo_;
     LARGE_INTEGER timestamp_;
 };

Plugins/uDesktopDuplication/uDesktopDuplication/Debug.cpp

@@ -4,15 +4,19 @@
 #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_;
 
 
 void Debug::Initialize()
 {
+    if (isInitialized_) return;
+    isInitialized_ = true;
+    
     if (mode_ == Mode::File)
     {
         fs_.open("uDesktopDuplication.log");
@@ -23,6 +27,9 @@ void Debug::Initialize()
 
 void Debug::Finalize()
 {
+    if (!isInitialized_) return;
+    isInitialized_ = false;
+
     if (mode_ == Mode::File)
     {
         Debug::Log("Stop");

Plugins/uDesktopDuplication/uDesktopDuplication/Debug.h

@@ -64,8 +64,12 @@ 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;
@@ -119,6 +123,7 @@ public:
     }
 
 private:
+    static bool isInitialized_;
     static Mode mode_;
     static std::ofstream fs_;
     static std::ostringstream ss_;

Plugins/uDesktopDuplication/uDesktopDuplication/Monitor.cpp

@@ -1,6 +1,5 @@
 #include <d3d11.h>
 #include <ShellScalingAPI.h>
-#include "Common.h"
 #include "Debug.h"
 #include "Cursor.h"
 #include "MonitorManager.h"
@@ -11,7 +10,6 @@ using namespace Microsoft::WRL;
 
 Monitor::Monitor(int id)
     : id_(id)
-    , cursor_(std::make_unique<Cursor>(this))
 {
 }
 
@@ -50,7 +48,7 @@ void Monitor::Initialize(IDXGIOutput* output)
     if (FAILED(GetDpiForMonitor(outputDesc_.Monitor, MDT_RAW_DPI, &dpiX_, &dpiY_)))
     {
         Debug::Error("Monitor::Initialize() => GetDpiForMonitor() failed.");
-        return;
+        // DPI is set as -1, so the application has to use the appropriate value.
     }
 
     auto output1 = reinterpret_cast<IDXGIOutput1*>(output);
@@ -59,10 +57,17 @@ void Monitor::Initialize(IDXGIOutput* output)
         case S_OK:
         {
             state_ = State::Available;
+            const auto rot = static_cast<DXGI_MODE_ROTATION>(GetRotation());
             Debug::Log("Monitor::Initialize() => OK.");
             Debug::Log("    ID    : ", GetId());
             Debug::Log("    Size  : (", GetWidth(), ", ", GetHeight(), ")");
             Debug::Log("    DPI   : (", GetDpiX(), ", ", GetDpiY(), ")");
+            Debug::Log("    Rot   : ", 
+                rot == DXGI_MODE_ROTATION_IDENTITY  ? "Landscape" :
+                rot == DXGI_MODE_ROTATION_ROTATE90  ? "Portrait" :
+                rot == DXGI_MODE_ROTATION_ROTATE180 ? "Landscape (flipped)" :
+                rot == DXGI_MODE_ROTATION_ROTATE270 ? "Portrait (flipped)" : 
+                "Unspecified");
             break;
         }
         case E_INVALIDARG:
@@ -114,10 +119,11 @@ void Monitor::Render(UINT timeout)
 {
     if (!deskDupl_) return;
 
+    HRESULT hr;
     ComPtr<IDXGIResource> resource;
     DXGI_OUTDUPL_FRAME_INFO frameInfo;
 
-    const auto hr = deskDupl_->AcquireNextFrame(timeout, &frameInfo, &resource);
+    hr = deskDupl_->AcquireNextFrame(timeout, &frameInfo, &resource);
     if (FAILED(hr))
     {
         switch (hr)
@@ -156,15 +162,16 @@ void Monitor::Render(UINT timeout)
         return;
     }
 
+    ID3D11Texture2D* texture;
+    if (FAILED(resource.CopyTo(&texture)))
+    {
+        Debug::Error("Monitor::Render() => resource.As() failed.");
+        return;
+    }
+
+    // Get texture
     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);
@@ -188,12 +195,153 @@ void Monitor::Render(UINT timeout)
         }
     }
 
-    cursor_->UpdateBuffer(frameInfo);
-    cursor_->UpdateTexture();
+    UpdateMetadata(frameInfo);
 
-    if (FAILED(deskDupl_->ReleaseFrame()))
+    if (frameInfo.PointerPosition.Visible)
     {
-        Debug::Error("Monitor::Render() => ReleaseFrame() failed.");
+        GetMonitorManager()->SetCursorMonitorId(id_);
+    }
+
+    if (GetMonitorManager()->GetCursorMonitorId() == id_)
+    {
+        UpdateCursor(frameInfo);
+    }
+
+    if (UseGetPixels())
+    {
+        CopyTextureFromGpuToCpu(texture);
+    }
+
+    hr = deskDupl_->ReleaseFrame();
+    if (FAILED(hr))
+    {
+        switch (hr)
+        {
+            case DXGI_ERROR_ACCESS_LOST:
+            {
+                Debug::Log("Monitor::Render() => DXGI_ERROR_ACCESS_LOST.");
+                state_ = State::AccessLost;
+                break;
+            }
+            case DXGI_ERROR_INVALID_CALL:
+            {
+                Debug::Error("Monitor::Render() => DXGI_ERROR_INVALID_CALL.");
+                break;
+            }
+            default:
+            {
+                state_ = State::Unknown;
+                Debug::Error("Monitor::Render() => Unknown Error.");
+                break;
+            }
+        }
+        return;
+    }
+
+    hasBeenUpdated_ = true;
+}
+
+
+void Monitor::UpdateCursor(const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
+{
+    auto cursor_ = GetMonitorManager()->GetCursor();
+    cursor_->UpdateBuffer(this, frameInfo);
+    cursor_->Draw(this);
+}
+
+
+void Monitor::UpdateMetadata(const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
+{
+    metaData_.ExpandIfNeeded(frameInfo.TotalMetadataBufferSize);
+    UpdateMoveRects(frameInfo);
+    UpdateDirtyRects(frameInfo);
+}
+
+
+void Monitor::UpdateMoveRects(const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
+{
+    moveRectSize_ = metaData_.Size();
+
+    const auto hr = deskDupl_->GetFrameMoveRects(
+        moveRectSize_,
+        metaData_.As<DXGI_OUTDUPL_MOVE_RECT>(), 
+        &moveRectSize_);
+
+    if (FAILED(hr))
+    {
+        switch (hr)
+        {
+            case DXGI_ERROR_ACCESS_LOST:
+            {
+                Debug::Log("Monitor::Render() => DXGI_ERROR_ACCESS_LOST (GetFrameMoveRects()).");
+                break;
+            }
+            case DXGI_ERROR_MORE_DATA:
+            {
+                Debug::Error("Monitor::Render() => DXGI_ERROR_MORE_DATA (GetFrameMoveRects()).");
+                break;
+            }
+            case DXGI_ERROR_INVALID_CALL:
+            {
+                Debug::Error("Monitor::Render() => DXGI_ERROR_INVALID_CALL (GetFrameMoveRects()).");
+                break;
+            }
+            case E_INVALIDARG:
+            {
+                Debug::Error("Monitor::Render() => E_INVALIDARG (GetFrameMoveRects()).");
+                break;
+            }
+            default:
+            {
+                Debug::Error("Monitor::Render() => Unknown Error (GetFrameMoveRects()).");
+                break;
+            }
+        }
+        return;
+    }
+}
+
+
+void Monitor::UpdateDirtyRects(const DXGI_OUTDUPL_FRAME_INFO& frameInfo)
+{
+    dirtyRectSize_ = metaData_.Size() - moveRectSize_;
+
+    const auto hr = deskDupl_->GetFrameDirtyRects(
+        dirtyRectSize_,
+        metaData_.As<RECT>(moveRectSize_ /* offset */), 
+        &dirtyRectSize_);
+
+    if (FAILED(hr))
+    {
+        switch (hr)
+        {
+            case DXGI_ERROR_ACCESS_LOST:
+            {
+                Debug::Log("Monitor::Render() => DXGI_ERROR_ACCESS_LOST (GetFrameDirtyRects()).");
+                break;
+            }
+            case DXGI_ERROR_MORE_DATA:
+            {
+                Debug::Error("Monitor::Render() => DXGI_ERROR_MORE_DATA (GetFrameDirtyRects()).");
+                break;
+            }
+            case DXGI_ERROR_INVALID_CALL:
+            {
+                Debug::Error("Monitor::Render() => DXGI_ERROR_INVALID_CALL (GetFrameDirtyRects()).");
+                break;
+            }
+            case E_INVALIDARG:
+            {
+                Debug::Error("Monitor::Render() => E_INVALIDARG (GetFrameDirtyRects()).");
+                break;
+            }
+            default:
+            {
+                Debug::Error("Monitor::Render() => Unknown Error (GetFrameDirtyRects()).");
+                break;
+            }
+        }
+        return;
     }
 }
 
@@ -228,18 +376,6 @@ IDXGIOutputDuplication* Monitor::GetDeskDupl()
 }
 
 
-const std::unique_ptr<Cursor>& Monitor::GetCursor() 
-{ 
-    return cursor_; 
-}
-
-
-void Monitor::GetCursorTexture(ID3D11Texture2D* texture)
-{
-    cursor_->GetTexture(texture);
-}
-
-
 void Monitor::GetName(char* buf, int len) const
 {
     strcpy_s(buf, len, monitorInfo_.szDevice);
@@ -252,6 +388,12 @@ bool Monitor::IsPrimary() const
 }
 
 
+bool Monitor::HasBeenUpdated() const
+{
+    return hasBeenUpdated_;
+}
+
+
 int Monitor::GetLeft() const
 {
     return static_cast<int>(outputDesc_.DesktopCoordinates.left);
@@ -303,4 +445,228 @@ int Monitor::GetWidth() const
 int Monitor::GetHeight() const
 {
     return height_;
-}
+}
+
+
+int Monitor::GetMoveRectCount() const
+{
+    return moveRectSize_ / sizeof(DXGI_OUTDUPL_MOVE_RECT);
+}
+
+
+DXGI_OUTDUPL_MOVE_RECT* Monitor::GetMoveRects() const
+{
+    return metaData_.As<DXGI_OUTDUPL_MOVE_RECT>();
+}
+
+
+int Monitor::GetDirtyRectCount() const
+{
+    return dirtyRectSize_ / sizeof(RECT);
+}
+
+
+RECT* Monitor::GetDirtyRects() const
+{
+    return metaData_.As<RECT>(moveRectSize_);
+}
+
+
+void Monitor::UseGetPixels(bool use)
+{
+    useGetPixels_ = use;
+}
+
+
+bool Monitor::UseGetPixels() const
+{
+    return useGetPixels_;
+}
+
+
+void Monitor::CopyTextureFromGpuToCpu(ID3D11Texture2D* texture)
+{
+    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(GetDevice()->CreateTexture2D(&desc, nullptr, &textureForGetPixels_)))
+        {
+            Debug::Error("Monitor::CopyTextureFromGpuToCpu() => GetDevice()->CreateTexture2D() failed.");
+            return;
+        }
+    }
+
+    {
+        ComPtr<ID3D11DeviceContext> context;
+        GetDevice()->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)
+{
+    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;
+            bottom = monitorWidth - x;
+            break;
+        }
+        case DXGI_MODE_ROTATION_ROTATE180:
+        {
+            left   = monitorWidth - x - width;
+            top    = monitorHeight - y - height;
+            right  = monitorWidth - x;
+            bottom = monitorHeight - y;
+            break;
+        }
+        case DXGI_MODE_ROTATION_ROTATE270:
+        {
+            left   = monitorHeight - y - height;
+            top    = x;
+            right  = monitorHeight - y;
+            bottom = x + width;
+            break;
+        }
+        case DXGI_MODE_ROTATION_IDENTITY:
+        case DXGI_MODE_ROTATION_UNSPECIFIED:
+        default:
+        {
+            left   = x;
+            top    = y;
+            right  = x + width;
+            bottom = y + height;
+            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;
+}

Plugins/uDesktopDuplication/uDesktopDuplication/Monitor.h

@@ -4,8 +4,8 @@
 #include <dxgi1_2.h>
 #include <wrl/client.h>
 #include <memory>
-
-class Cursor;
+#include <mutex>
+#include "Common.h"
 
 enum class MonitorState
 {
@@ -30,7 +30,6 @@ public:
     ~Monitor();
     void Initialize(IDXGIOutput* output);
     void Render(UINT timeout = 0);
-    void GetCursorTexture(ID3D11Texture2D* texture);
 
 public:
     int GetId() const;
@@ -39,6 +38,7 @@ public:
     ID3D11Texture2D* GetUnityTexture() const;
     void GetName(char* buf, int len) const;
     bool IsPrimary() const;
+    bool HasBeenUpdated() const;
     int GetLeft() const;
     int GetRight() const;
     int GetTop() const;
@@ -49,16 +49,34 @@ public:
     int GetDpiX() const;
     int GetDpiY() const;
     IDXGIOutputDuplication* GetDeskDupl();
-    const std::unique_ptr<Cursor>& GetCursor();
+	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);
 
 private:
+	void UpdateCursor(const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
+	void UpdateMetadata(const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
+	void UpdateMoveRects(const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
+	void UpdateDirtyRects(const DXGI_OUTDUPL_FRAME_INFO& frameInfo);
+    void CopyTextureFromGpuToCpu(ID3D11Texture2D* texture);
+
     int id_ = -1;
     UINT dpiX_ = -1, dpiY_ = -1;
     int width_ = -1, height_ = -1;
+    bool hasBeenUpdated_ = false;
+    bool useGetPixels_ = false;
     State state_ = State::NotSet;
-    std::unique_ptr<Cursor> cursor_;
     IDXGIOutputDuplication* deskDupl_ = nullptr;
     ID3D11Texture2D* unityTexture_ = nullptr;
     DXGI_OUTPUT_DESC outputDesc_;
     MONITORINFOEX monitorInfo_;
+	Buffer<BYTE> metaData_;
+    Microsoft::WRL::ComPtr<ID3D11Texture2D> textureForGetPixels_;
+	Buffer<BYTE> bufferForGetPixels_;
+	UINT moveRectSize_ = 0;
+	UINT dirtyRectSize_ = 0;;
 };

Plugins/uDesktopDuplication/uDesktopDuplication/MonitorManager.cpp

@@ -112,6 +112,12 @@ std::shared_ptr<Monitor> MonitorManager::GetMonitor(int id) const
 }
 
 
+std::shared_ptr<Cursor> MonitorManager::GetCursor() const
+{
+    return cursor_;
+}
+
+
 void MonitorManager::Update()
 {
     if (isReinitializationRequired_)

Plugins/uDesktopDuplication/uDesktopDuplication/MonitorManager.h

@@ -21,6 +21,7 @@ public:
     void SetCursorMonitorId(int id) { cursorMonitorId_ = id; }
     int GetCursorMonitorId() const { return cursorMonitorId_; }
     std::shared_ptr<Monitor> GetMonitor(int id) const;
+    std::shared_ptr<Cursor> GetCursor() const;
 
 private:
     void Initialize();
@@ -40,8 +41,9 @@ public:
 
 private:
     int timeout_ = 10;
+    bool enableTextureCopyFromGpuToCpu_ = false;
     std::vector<std::shared_ptr<Monitor>> monitors_;
-    std::shared_ptr<Cursor> cursor_;
+    std::shared_ptr<Cursor> cursor_ = std::make_shared<Cursor>();
     int cursorMonitorId_ = -1;
     bool isReinitializationRequired_ = false;
 };

Plugins/uDesktopDuplication/uDesktopDuplication/main.cpp

@@ -21,11 +21,17 @@
 IUnityInterfaces* g_unity = nullptr;
 std::unique_ptr<MonitorManager> g_manager;
 std::queue<Message> g_messages;
+ID3D11DeviceContext* g_deviceContextForMainThread = nullptr;
 
 
 extern "C"
 {
-    UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API InitializeUDD()
+    UNITY_INTERFACE_EXPORT bool UNITY_INTERFACE_API IsInitialized()
+    {
+        return g_unity && g_manager;
+    }
+
+    UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API Initialize()
     {
         if (g_unity && !g_manager)
         {
@@ -34,28 +40,45 @@ extern "C"
         }
     }
 
-    UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API FinalizeUDD()
+    UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API Finalize()
     {
-        if (g_manager)
+        if (!g_manager) return;
+        g_manager.reset();
+
+        std::queue<Message> empty;
+        g_messages.swap(empty);
+
+        Debug::Finalize();
+    }
+
+    void UNITY_INTERFACE_API OnGraphicsDeviceEvent(UnityGfxDeviceEventType event)
+    {
+        switch (event)
         {
-            g_manager.reset();
-
-            std::queue<Message> empty;
-            g_messages.swap(empty);
-
-            Debug::Finalize();
+            case kUnityGfxDeviceEventInitialize:
+            {
+                Initialize();
+                break;
+            }
+            case kUnityGfxDeviceEventShutdown:
+            {
+                Finalize();
+                break;
+            }
         }
     }
 
     UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API UnityPluginLoad(IUnityInterfaces* unityInterfaces)
     {
         g_unity = unityInterfaces;
-        InitializeUDD();
+        auto unityGraphics = g_unity->Get<IUnityGraphics>();
+        unityGraphics->RegisterDeviceEventCallback(OnGraphicsDeviceEvent);
     }
 
     UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API UnityPluginUnload()
     {
-        FinalizeUDD();
+        auto unityGraphics = g_unity->Get<IUnityGraphics>();
+        unityGraphics->UnregisterDeviceEventCallback(OnGraphicsDeviceEvent);
         g_unity = nullptr;
     }
 
@@ -273,83 +296,52 @@ extern "C"
         return -1;
     }
 
-    UNITY_INTERFACE_EXPORT bool UNITY_INTERFACE_API IsCursorVisible(int id)
+    UNITY_INTERFACE_EXPORT bool UNITY_INTERFACE_API IsCursorVisible()
     {
         if (!g_manager) return false;
-        if (auto monitor = g_manager->GetMonitor(id))
-        {
-            return monitor->GetCursor()->IsVisible();
-        }
-        return false;
+        return g_manager->GetCursor()->IsVisible();
     }
 
-    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorX(int id)
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorX()
     {
         if (!g_manager) return -1;
-        if (auto monitor = g_manager->GetMonitor(id))
-        {
-            return monitor->GetCursor()->GetX();
-        }
-        return -1;
+        return g_manager->GetCursor()->GetX();
     }
 
-    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorY(int id)
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorY()
     {
         if (!g_manager) return -1;
-        if (auto monitor = g_manager->GetMonitor(id))
-        {
-            return monitor->GetCursor()->GetY();
-        }
-        return -1;
+        return g_manager->GetCursor()->GetY();
     }
 
-    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorShapeWidth(int id)
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorShapeWidth()
     {
         if (!g_manager) return -1;
-        if (auto monitor = g_manager->GetMonitor(id))
-        {
-            return monitor->GetCursor()->GetWidth();
-        }
-        return -1;
+        return g_manager->GetCursor()->GetWidth();
     }
 
-    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorShapeHeight(int id)
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorShapeHeight()
     {
         if (!g_manager) return -1;
-        if (auto monitor = g_manager->GetMonitor(id))
-        {
-            return monitor->GetCursor()->GetHeight();
-        }
-        return -1;
+        return g_manager->GetCursor()->GetHeight();
     }
 
-    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorShapePitch(int id)
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorShapePitch()
     {
         if (!g_manager) return -1;
-        if (auto monitor = g_manager->GetMonitor(id))
-        {
-            return monitor->GetCursor()->GetPitch();
-        }
-        return -1;
+        return g_manager->GetCursor()->GetPitch();
     }
 
-    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorShapeType(int id)
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetCursorShapeType()
     {
         if (!g_manager) return -1;
-        if (auto monitor = g_manager->GetMonitor(id))
-        {
-            return monitor->GetCursor()->GetType();
-        }
-        return -1;
+        return g_manager->GetCursor()->GetType();
     }
 
-    UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API GetCursorTexture(int id, ID3D11Texture2D* texture)
+    UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API GetCursorTexture(ID3D11Texture2D* texture)
     {
         if (!g_manager) return;
-        if (auto monitor = g_manager->GetMonitor(id))
-        {
-            monitor->GetCursorTexture(texture);
-        }
+        return g_manager->GetCursor()->GetTexture(texture);
     }
 
     UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API SetTexturePtr(int id, void* texture)
@@ -361,4 +353,73 @@ extern "C"
             monitor->SetUnityTexture(d3d11Texture);
         }
     }
+
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetMoveRectCount(int id)
+    {
+        if (!g_manager) return -1;
+        if (auto monitor = g_manager->GetMonitor(id))
+        {
+            return monitor->GetMoveRectCount();
+        }
+        return 0;
+    }
+
+    UNITY_INTERFACE_EXPORT void* UNITY_INTERFACE_API GetMoveRects(int id)
+    {
+        if (!g_manager) return nullptr;
+        if (auto monitor = g_manager->GetMonitor(id))
+        {
+            return monitor->GetMoveRects();
+        }
+        return nullptr;
+    }
+
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetDirtyRectCount(int id)
+    {
+        if (!g_manager) return -1;
+        if (auto monitor = g_manager->GetMonitor(id))
+        {
+            return monitor->GetDirtyRectCount();
+        }
+        return 0;
+    }
+
+    UNITY_INTERFACE_EXPORT void* UNITY_INTERFACE_API GetDirtyRects(int id)
+    {
+        if (!g_manager) return nullptr;
+        if (auto monitor = g_manager->GetMonitor(id))
+        {
+            return monitor->GetDirtyRects();
+        }
+        return nullptr;
+    }
+
+    UNITY_INTERFACE_EXPORT bool UNITY_INTERFACE_API GetPixels(int id, BYTE* output, int x, int y, int width, int height)
+    {
+        if (!g_manager) return nullptr;
+        if (auto monitor = g_manager->GetMonitor(id))
+        {
+            return monitor->GetPixels(output, x, y, width, height);
+        }
+        return false;
+    }
+
+    UNITY_INTERFACE_EXPORT bool UNITY_INTERFACE_API HasBeenUpdated(int id)
+    {
+        if (!g_manager) return nullptr;
+        if (auto monitor = g_manager->GetMonitor(id))
+        {
+            return monitor->HasBeenUpdated();
+        }
+        return false;
+    }
+
+    UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API UseGetPixels(int id, bool use)
+    {
+        if (!g_manager) return;
+        if (auto monitor = g_manager->GetMonitor(id))
+        {
+            return monitor->UseGetPixels(use);
+        }
+    }
 }

Plugins/uDesktopDuplication/uDesktopDuplication/uDesktopDuplication.vcxproj

@@ -112,10 +112,11 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
-      <Optimization>MaxSpeed</Optimization>
+      <Optimization>Full</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
+      <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
     </ClCompile>
     <Link>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>

README.md

@@ -1,6 +1,9 @@
 uDesktopDuplication
 ===================
 
+![MIT License](http://img.shields.io/badge/license-MIT-blue.svg?style=flat)
+![Build Status](http://unitybuildbadge.azurewebsites.net/api/status/7566d616-2916-4c99-bb14-e7ab9501cf7e)
+
 **uDesktopDuplication** is an Unity asset to use the realtime screen capture as `Texture2D` using Desktop Duplication API.