update readme.

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Assets/uDesktopDuplication/Examples/Scenes/Multiple Monitors.unity.meta

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Assets/uDesktopDuplication/Examples/Scenes/Primary Monitor (Only Texture).unity.meta

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Assets/uDesktopDuplication/Examples/Scenes/Toggle Monitors.unity.meta

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Assets/uDesktopDuplication/Examples/Scripts/MultipleMonitorCreator.cs

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+using UnityEngine;
+
+public class MultipleMonitorCreator : MonoBehaviour
+{
+    [SerializeField] GameObject monitorPrefab;
+    [SerializeField] Vector3 margin = new Vector3(20f, 0f, 0f);
+
+    void Start()
+    {
+        var monitors = uDesktopDuplication.Manager.monitors;
+        var n = monitors.Count;
+        for (int i = 0 ; i < n; ++i) {
+            var go = Instantiate(monitorPrefab);
+            go.transform.position = transform.position + margin * (i - n / 2f + 0.5f);
+            var texture = go.GetComponent<uDesktopDuplication.Texture>();
+            texture.monitorId = i;
+        }
+    }
+}
+

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

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 licenseType: Pro
 MonoImporter:
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Assets/uDesktopDuplication/Examples/Scripts/ToggleMonitors.cs

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+using UnityEngine;
+
+public class ToggleMonitors : MonoBehaviour
+{
+    void Update()
+    {
+        if (Input.GetKeyDown(KeyCode.Tab)) {
+            var texture = GetComponent<uDesktopDuplication.Texture>();
+            if (Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift)) {
+                texture.monitorId--;
+            } else {
+                texture.monitorId++;
+            }
+        }
+    }
+}
+

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

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Assets/uDesktopDuplication/Scripts/Cursor.cs

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+using UnityEngine;
+
+namespace uDesktopDuplication
+{
+
+[AddComponentMenu("uDesktopDuplication/Cursor"), 
+ RequireComponent(typeof(Texture))]
+public class Cursor : MonoBehaviour
+{
+    [SerializeField]
+    Transform cursor;
+    [SerializeField]
+    Vector2 modelScale = Vector2.one;
+    [SerializeField]
+    Vector2 offset = new Vector2(0.5f, 0.5f);
+
+    private Texture texture_;
+
+    void OnEnable()
+    {
+        texture_ = GetComponent<Texture>();
+    }
+
+    void Update()
+    {
+        var monitor = texture_.monitor;
+        if (monitor.isPointerVisible) {
+            var x = (1f * monitor.pointerX / monitor.width - 0.5f) * modelScale.x;
+            var y = (0.5f - 1f * monitor.pointerY / monitor.height) * modelScale.y;
+            var iy = texture_.invertY ? +1 : -1;
+            var localPos = transform.right * x + iy * transform.up * y;
+            var worldPos = transform.TransformPoint(localPos);
+            worldPos += cursor.right * offset.x * cursor.localScale.x;
+            worldPos += -cursor.up * offset.y * cursor.localScale.y;
+            worldPos += -cursor.forward * 0.001f;
+            cursor.position = worldPos;
+        }
+    }
+}
+
+}

Assets/uDesktopDuplication/Scripts/Cursor.cs.meta

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Assets/uDesktopDuplication/Scripts/Lib.cs

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+using System;
+using System.Text;
+using System.Runtime.InteropServices;
+
+namespace uDesktopDuplication
+{
+
+public static class Lib
+{
+    [DllImport("uDesktopDuplication")]
+    public static extern int GetMonitorCount();
+    [DllImport("uDesktopDuplication")]
+    public static extern void SetTimeout(int timeout);
+    [DllImport("uDesktopDuplication")]
+    public static extern IntPtr GetRenderEventFunc();
+    [DllImport("uDesktopDuplication")]
+    public static extern void GetName(int id, StringBuilder buf, int len);
+    [DllImport("uDesktopDuplication")]
+    public static extern int GetWidth(int id);
+    [DllImport("uDesktopDuplication")]
+    public static extern int GetHeight(int id);
+    [DllImport("uDesktopDuplication")]
+    public static extern bool IsPrimary(int id);
+    [DllImport("uDesktopDuplication")]
+    public static extern bool IsPointerVisible(int id);
+    [DllImport("uDesktopDuplication")]
+    public static extern int GetPointerX(int id);
+    [DllImport("uDesktopDuplication")]
+    public static extern int GetPointerY(int id);
+    [DllImport("uDesktopDuplication")]
+    public static extern int SetTexturePtr(int id, IntPtr ptr);
+
+    public static string GetName(int id)
+    {
+        var buf = new StringBuilder(32);
+        GetName(id, buf, buf.Capacity);
+        return buf.ToString();
+    }
+}
+
+}

Assets/uDesktopDuplication/Scripts/Lib.cs.meta

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Assets/uDesktopDuplication/Scripts/Manager.cs

@@ -0,0 +1,85 @@
+using UnityEngine;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace uDesktopDuplication
+{
+
+public class Manager : MonoBehaviour
+{
+    private static Manager instance_;
+    public static Manager instance 
+    {
+        get 
+        { 
+            if (instance_) return instance_;
+            var go = new GameObject("uDesktopDuplicationManager");
+            return go.AddComponent<Manager>();
+        }
+    }
+
+    private List<Monitor> monitors_ = new List<Monitor>();
+    static public List<Monitor> monitors
+    {
+        get { return instance.monitors_; }
+    }
+
+    static public int monitorCount
+    {
+        get { return instance.monitors_.Count; }
+    }
+
+    static public Monitor primary
+    {
+        get 
+        {
+            return instance.monitors_.Find(monitor => monitor.isPrimary);
+        }
+    }
+
+    [SerializeField, Tooltip("Set Desktop Duplication API timeout (milliseconds).")] 
+    int timeout = 0;
+
+    private Coroutine renderCoroutine_ = null;
+
+    void Awake()
+    {
+        if (instance_ != null) return;
+        instance_ = this;
+
+        for (int i = 0; i < Lib.GetMonitorCount(); ++i) {
+            monitors.Add(new Monitor(i));
+        }
+
+        Lib.SetTimeout(timeout);
+    }
+
+    void OnEnable()
+    {
+        renderCoroutine_ = StartCoroutine(OnRender());
+    }
+
+    void OnDisable()
+    {
+        if (renderCoroutine_ != null) {
+            StopCoroutine(renderCoroutine_);
+            renderCoroutine_ = null;
+        }
+    }
+
+    IEnumerator OnRender()
+    {
+        for (;;) {
+            yield return new WaitForEndOfFrame();
+            for (int i = 0; i < monitors.Count; ++i) {
+                var monitor = monitors[i];
+                if (monitor.shouldBeUpdated) {
+                    monitor.Render();
+                }
+                monitor.shouldBeUpdated = false;
+            }
+        }
+    }
+}
+
+}

Assets/uDesktopDuplication/Scripts/Manager.cs.meta

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Assets/uDesktopDuplication/Scripts/Monitor.cs

@@ -0,0 +1,79 @@
+using UnityEngine;
+
+namespace uDesktopDuplication
+{
+
+public class Monitor
+{
+    public Monitor(int id)
+    {
+        this.id = id;
+    }
+
+    public int id 
+    { 
+        get; 
+        private set; 
+    }
+
+    public string name
+    { 
+        get { return Lib.GetName(id); }
+    }
+
+    public bool isPrimary
+    { 
+        get { return Lib.IsPrimary(id); }
+    }
+
+    public int width 
+    { 
+        get { return Lib.GetWidth(id); }
+    }
+
+    public int height
+    { 
+        get { return Lib.GetHeight(id); }
+    }
+
+    public bool isPointerVisible
+    { 
+        get { return Lib.IsPointerVisible(id); }
+    }
+
+    public int pointerX
+    { 
+        get { return Lib.GetPointerX(id); }
+    }
+
+    public int pointerY
+    { 
+        get { return Lib.GetPointerY(id); }
+    }
+
+    public bool shouldBeUpdated
+    {
+        get; 
+        set;
+    }
+
+    private Texture2D texture_;
+    public Texture2D texture 
+    {
+        get 
+        { 
+            if (texture_ == null) {
+                texture_ = new Texture2D(width, height, TextureFormat.BGRA32, false);
+                Lib.SetTexturePtr(id, texture_.GetNativeTexturePtr());
+            }
+            return texture_;
+        }
+    }
+
+    public void Render()
+    {
+        GL.IssuePluginEvent(Lib.GetRenderEventFunc(), id);
+    }
+}
+
+}

Assets/uDesktopDuplication/Scripts/Monitor.cs.meta

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Assets/uDesktopDuplication/Scripts/Texture.cs

@@ -0,0 +1,61 @@
+using UnityEngine;
+
+namespace uDesktopDuplication
+{
+
+[AddComponentMenu("uDesktopDuplication/Texture")] 
+public class Texture : MonoBehaviour
+{
+    private Monitor monitor_;
+    public Monitor monitor 
+    { 
+        get { return monitor_; }
+        set 
+        { 
+            monitor_ = value;
+            material_ = GetComponent<Renderer>().material;
+            material_.mainTexture = monitor_.texture;
+        }
+    }
+
+    public int monitorId
+    { 
+        get { return monitor.id; }
+        set { monitor = Manager.monitors[Mathf.Clamp(value, 0, Manager.monitorCount - 1)]; }
+    }
+
+    public bool invertX = false;
+    public bool invertY = false;
+
+    private Material material_;
+
+    void OnEnable()
+    {
+        if (monitor == null) {
+            monitor = Manager.primary;
+        }
+    }
+
+    void Update()
+    {
+        monitor.shouldBeUpdated = true;
+        UpdateMaterial();
+    }
+
+    void UpdateMaterial()
+    {
+        if (invertX) {
+            material_.EnableKeyword("INVERT_X");
+        } else {
+            material_.DisableKeyword("INVERT_X");
+        }
+
+        if (invertY) {
+            material_.EnableKeyword("INVERT_Y");
+        } else {
+            material_.DisableKeyword("INVERT_Y");
+        }
+    }
+}
+
+}

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Assets/uDesktopDuplication/Scripts/uDesktopDuplication.cs

@@ -1,62 +0,0 @@
-using UnityEngine;
-using System;
-using System.Collections;
-using System.Runtime.InteropServices;
-
-public class uDesktopDuplication : MonoBehaviour
-{
-    [DllImport("uDesktopDuplication")]
-    private static extern void Initialize();
-    [DllImport("uDesktopDuplication")]
-    private static extern int GetWidth();
-    [DllImport("uDesktopDuplication")]
-    private static extern int GetHeight();
-    [DllImport("uDesktopDuplication")]
-    private static extern bool IsPointerVisible();
-    [DllImport("uDesktopDuplication")]
-    private static extern int GetPointerX();
-    [DllImport("uDesktopDuplication")]
-    private static extern int GetPointerY();
-    [DllImport("uDesktopDuplication")]
-    private static extern int SetTexturePtr(IntPtr ptr);
-    [DllImport("uDesktopDuplication")]
-    private static extern IntPtr GetRenderEventFunc();
-
-    public bool isPointerVisible = false;
-    public int pointerX = 0;
-    public int pointerY = 0;
-
-    Coroutine renderCoroutine_ = null;
-
-    void OnEnable()
-    {
-        var tex = new Texture2D(GetWidth(), GetHeight(), TextureFormat.BGRA32, false);
-        GetComponent<Renderer>().sharedMaterial.mainTexture = tex;
-
-        SetTexturePtr(tex.GetNativeTexturePtr());
-        renderCoroutine_ = StartCoroutine(OnRender());
-    }
-
-    void OnDisable()
-    {
-        if (renderCoroutine_ != null) {
-            StopCoroutine(renderCoroutine_);
-            renderCoroutine_ = null;
-        }
-    }
-
-    void Update()
-    {
-        isPointerVisible = IsPointerVisible();
-        pointerX = GetPointerX();
-        pointerY = GetPointerY();
-    }
-
-    IEnumerator OnRender()
-    {
-        for (;;) {
-            yield return new WaitForEndOfFrame();
-            GL.IssuePluginEvent(GetRenderEventFunc(), 0);
-        }
-    }
-}

Assets/uDesktopDuplication/Shaders.meta

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Assets/uDesktopDuplication/Shaders/uDD_Common.cginc

@@ -0,0 +1,26 @@
+#ifndef UDD_COMMON_CGINC
+#define UDD_COMMON_CGINC
+
+#include "UnityCG.cginc"
+
+inline void uddInvertUV(inout float2 uv)
+{
+#ifdef INVERT_X
+    uv.x *= -1.0;
+#endif
+#ifdef INVERT_Y
+    uv.y *= -1.0;
+#endif
+}
+
+inline fixed4 uddGetTexture(sampler2D tex, float2 uv)
+{
+    uddInvertUV(uv);
+    fixed4 c = tex2D(tex, uv);
+    if (!IsGammaSpace()) {
+        c.rgb = GammaToLinearSpace(c.rgb);
+    }
+    return c;
+}
+
+#endif

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Assets/uDesktopDuplication/Shaders/uDD_Standard.shader

@@ -0,0 +1,50 @@
+Shader "uDesktopDuplication/Standard" 
+{
+
+Properties 
+{
+    _Color ("Color", Color) = (1, 1, 1, 1)
+    _MainTex ("Albedo (RGB)", 2D) = "white" {}
+    _Glossiness ("Smoothness", Range(0, 1)) = 0.5
+    _Metallic ("Metallic", Range(0, 1)) = 0.0
+}
+
+SubShader 
+{
+    Tags { "RenderType"="Opaque" }
+    
+    CGPROGRAM
+
+    #pragma target 3.0
+    #pragma surface surf Standard fullforwardshadows
+    #pragma multi_compile ___ INVERT_X
+    #pragma multi_compile ___ INVERT_Y
+
+    #include "./uDD_Common.cginc"
+
+    sampler2D _MainTex;
+
+    struct Input 
+    {
+        float2 uv_MainTex;
+    };
+
+    half _Glossiness;
+    half _Metallic;
+    fixed4 _Color;
+
+    void surf(Input IN, inout SurfaceOutputStandard o) 
+    {
+        fixed4 c = uddGetTexture(_MainTex, IN.uv_MainTex) * _Color;
+        o.Albedo = c.rgb;
+        o.Metallic = _Metallic;
+        o.Smoothness = _Glossiness;
+        o.Alpha = c.a;
+    }
+
+    ENDCG
+}
+
+FallBack "Diffuse"
+
+}

Assets/uDesktopDuplication/Shaders/uDD_Standard.shader.meta

@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 1428bebbde173ab4ab509941809d6aec
+timeCreated: 1477559925
+licenseType: Pro
+ShaderImporter:
+  defaultTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/uDesktopDuplication/Shaders/uDD_Unlit.shader

@@ -0,0 +1,65 @@
+Shader "uDesktopDuplication/Unlit"
+{
+
+Properties
+{
+    _Color ("Color", Color) = (1, 1, 1, 1)
+    _MainTex ("Texture", 2D) = "white" {}
+}
+
+SubShader
+{
+
+Tags { "RenderType"="Opaque" }
+
+CGINCLUDE
+
+#include "UnityCG.cginc"
+#include "./uDD_Common.cginc"
+
+struct appdata
+{
+    float4 vertex : POSITION;
+    float2 uv     : TEXCOORD0;
+};
+
+struct v2f
+{
+    float4 vertex : SV_POSITION;
+    float2 uv     : TEXCOORD0;
+};
+
+sampler2D _MainTex;
+float4 _MainTex_ST;
+fixed4 _Color;
+
+v2f vert(appdata v)
+{
+    v2f o;
+    o.vertex = UnityObjectToClipPos(v.vertex);
+    o.uv = TRANSFORM_TEX(v.uv, _MainTex);
+    return o;
+}
+
+fixed4 frag(v2f i) : SV_Target
+{
+    return uddGetTexture(_MainTex, i.uv) * _Color;
+}
+
+ENDCG
+
+Pass
+{
+    CGPROGRAM
+    #pragma vertex vert
+    #pragma fragment frag
+    #pragma multi_compile ___ INVERT_X
+    #pragma multi_compile ___ INVERT_Y
+    ENDCG
+}
+
+}
+
+Fallback "Unlit/Texture"
+
+}

Assets/uDesktopDuplication/Shaders/uDD_Unlit.shader.meta

@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 2ca7b38c676bddd439a77a646a279a54
+timeCreated: 1477556963
+licenseType: Pro
+ShaderImporter:
+  defaultTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/uDesktopDuplication/Shaders/uDD_Unlit_BlackMask.shader

@@ -0,0 +1,72 @@
+Shader "uDesktopDuplication/Unlit BlackMask"
+{
+
+Properties
+{
+    _Color ("Color", Color) = (1, 1, 1, 1)
+    _MainTex ("Texture", 2D) = "white" {}
+    _Mask ("Mask", Range(0, 1)) = 0.1
+}
+
+SubShader
+{
+
+Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" }
+
+ZWrite Off
+Blend SrcAlpha OneMinusSrcAlpha
+
+CGINCLUDE
+
+#include "UnityCG.cginc"
+#include "./uDD_Common.cginc"
+
+struct appdata
+{
+    float4 vertex : POSITION;
+    float2 uv     : TEXCOORD0;
+};
+
+struct v2f
+{
+    float4 vertex : SV_POSITION;
+    float2 uv     : TEXCOORD0;
+};
+
+sampler2D _MainTex;
+float4 _MainTex_ST;
+fixed4 _Color;
+fixed _Mask;
+
+v2f vert(appdata v)
+{
+    v2f o;
+    o.vertex = UnityObjectToClipPos(v.vertex);
+    o.uv = TRANSFORM_TEX(v.uv, _MainTex);
+    return o;
+}
+
+fixed4 frag(v2f i) : SV_Target
+{
+    fixed4 tex = uddGetTexture(_MainTex, i.uv);
+    fixed alpha = pow((tex.r + tex.g + tex.b) / 3.0, _Mask);
+    return fixed4(tex.rgb * _Color.rgb, alpha);
+}
+
+ENDCG
+
+Pass
+{
+    CGPROGRAM
+    #pragma vertex vert
+    #pragma fragment frag
+    #pragma multi_compile ___ INVERT_X
+    #pragma multi_compile ___ INVERT_Y
+    ENDCG
+}
+
+}
+
+Fallback "Unlit/Texture"
+
+}

Assets/uDesktopDuplication/Shaders/uDD_Unlit_BlackMask.shader.meta

@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 8d8bed8b85c7bb844a44481b2feb53ca
+timeCreated: 1477561145
+licenseType: Pro
+ShaderImporter:
+  defaultTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/uDesktopDuplication/Shaders/uDD_Unlit_Transparent.shader

@@ -0,0 +1,68 @@
+Shader "uDesktopDuplication/Unlit Transparent"
+{
+
+Properties
+{
+    _Color ("Color", Color) = (1, 1, 1, 1)
+    _MainTex ("Texture", 2D) = "white" {}
+}
+
+SubShader
+{
+
+Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" }
+
+ZWrite Off
+Blend SrcAlpha OneMinusSrcAlpha
+
+CGINCLUDE
+
+#include "UnityCG.cginc"
+#include "./uDD_Common.cginc"
+
+struct appdata
+{
+    float4 vertex : POSITION;
+    float2 uv     : TEXCOORD0;
+};
+
+struct v2f
+{
+    float4 vertex : SV_POSITION;
+    float2 uv     : TEXCOORD0;
+};
+
+sampler2D _MainTex;
+float4 _MainTex_ST;
+fixed4 _Color;
+
+v2f vert(appdata v)
+{
+    v2f o;
+    o.vertex = UnityObjectToClipPos(v.vertex);
+    o.uv = TRANSFORM_TEX(v.uv, _MainTex);
+    return o;
+}
+
+fixed4 frag(v2f i) : SV_Target
+{
+    return fixed4(uddGetTexture(_MainTex, i.uv).rgb, 1.0) * _Color;
+}
+
+ENDCG
+
+Pass
+{
+    CGPROGRAM
+    #pragma vertex vert
+    #pragma fragment frag
+    #pragma multi_compile ___ INVERT_X
+    #pragma multi_compile ___ INVERT_Y
+    ENDCG
+}
+
+}
+
+Fallback "Unlit/Transparent"
+
+}

Assets/uDesktopDuplication/Shaders/uDD_Unlit_Transparent.shader.meta

@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 32b14c1fb31640f43b002138823eb1e1
+timeCreated: 1477560210
+licenseType: Pro
+ShaderImporter:
+  defaultTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Plugins/uDesktopDuplication/uDesktopDuplication/main.cpp

@@ -1,5 +1,7 @@
 #include <d3d11.h>
 #include <dxgi1_2.h>
+#include <vector>
+#include <string>
 
 #include "IUnityInterface.h"
 #include "IUnityGraphics.h"
@@ -10,21 +12,40 @@
 
 namespace
 {
-    IUnityInterfaces*       g_unity            = nullptr;
-    IDXGIOutputDuplication* g_deskDupl         = nullptr;
-    ID3D11Texture2D*        g_texture          = nullptr;
-    bool                    g_isPointerVisible = -1;
-    int                     g_pointerX         = -1;
-    int                     g_pointerY         = -1;
-    int                     g_width            = -1;
-    int                     g_height           = -1;
+    struct Monitor
+    {
+        IDXGIOutputDuplication* output           = nullptr;
+        ID3D11Texture2D*        texture          = nullptr;
+        std::string             name             = "";
+        bool                    isPrimary        = false;
+        bool                    isPointerVisible = false;
+        int                     pointerX         = -1;
+        int                     pointerY         = -1;
+        int                     width            = -1;
+        int                     height           = -1;
+    };
+
+    IUnityInterfaces* g_unity = nullptr;
+    int g_timeout = 10;
+    std::vector<Monitor> g_monitors;
 }
 
 
 extern "C"
 {
+    void FinalizeDuplication()
+    {
+        for (auto& monitor : g_monitors)
+        {
+            monitor.output->Release();
+        }
+        g_monitors.clear();
+    }
+
     void InitializeDuplication()
     {
+        FinalizeDuplication();
+
         IDXGIFactory1* factory;
         CreateDXGIFactory1(__uuidof(IDXGIFactory1), reinterpret_cast<void**>(&factory));
 
@@ -34,7 +55,7 @@ extern "C"
         {
             // Search the main monitor from all outputs.
             IDXGIOutput* output;
-            for (int j = 0; (adapter->EnumOutputs(j, &output) != DXGI_ERROR_NOT_FOUND); j++) 
+            for (int j = 0; (adapter->EnumOutputs(j, &output) != DXGI_ERROR_NOT_FOUND); ++j) 
             {
                 DXGI_OUTPUT_DESC outputDesc;
                 output->GetDesc(&outputDesc);
@@ -43,22 +64,18 @@ extern "C"
                 monitorInfo.cbSize = sizeof(MONITORINFOEX);
                 GetMonitorInfo(outputDesc.Monitor, &monitorInfo);
 
-                if (monitorInfo.dwFlags == MONITORINFOF_PRIMARY) 
-                {
-                    g_width = monitorInfo.rcMonitor.right - monitorInfo.rcMonitor.left;
-                    g_height = monitorInfo.rcMonitor.bottom - monitorInfo.rcMonitor.top;
+                Monitor monitor;
+                monitor.name = monitorInfo.szDevice;
+                monitor.isPrimary = (monitorInfo.dwFlags == MONITORINFOF_PRIMARY);
+                monitor.width = monitorInfo.rcMonitor.right - monitorInfo.rcMonitor.left;
+                monitor.height = monitorInfo.rcMonitor.bottom - monitorInfo.rcMonitor.top;
 
-                    auto device = g_unity->Get<IUnityGraphicsD3D11>()->GetDevice();
-                    IDXGIOutput1* output1;
-                    output1 = reinterpret_cast<IDXGIOutput1*>(output);
-                    output1->DuplicateOutput(device, &g_deskDupl);
+                auto device = g_unity->Get<IUnityGraphicsD3D11>()->GetDevice();
+                IDXGIOutput1* output1;
+                output1 = reinterpret_cast<IDXGIOutput1*>(output);
+                output1->DuplicateOutput(device, &monitor.output);
 
-                    output->Release();
-                    adapter->Release();
-                    factory->Release();
-
-                    return;
-                }
+                g_monitors.push_back(monitor);
 
                 output->Release();
             }
@@ -69,12 +86,6 @@ extern "C"
         factory->Release();
     }
 
-    void FinalizeDuplication()
-    {
-        g_deskDupl->Release();
-        g_deskDupl = nullptr;
-    }
-
     UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API UnityPluginLoad(IUnityInterfaces* unityInterfaces)
     {
         g_unity = unityInterfaces;
@@ -84,24 +95,26 @@ extern "C"
     UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API UnityPluginUnload()
     {
         g_unity = nullptr;
-        g_texture = nullptr;
-        g_width = -1;
-        g_height = -1;
-        g_pointerX = -1;
-        g_pointerY = -1;
         FinalizeDuplication();
     }
 
-    void UNITY_INTERFACE_API OnRenderEvent(int eventId)
+    bool DoesMonitorExist(int id)
     {
-        if (g_deskDupl == nullptr || g_texture == nullptr) return;
+        return id >= 0 && id < g_monitors.size();
+    }
+
+    void UNITY_INTERFACE_API OnRenderEvent(int id)
+    {
+        if (!DoesMonitorExist(id)) return;
+        auto& monitor = g_monitors[id];
+
+        if (monitor.output == nullptr || monitor.texture == nullptr) return;
 
         HRESULT hr;
         IDXGIResource* resource = nullptr;
         DXGI_OUTDUPL_FRAME_INFO frameInfo;
 
-        const UINT timeout = 100; // ms
-        hr = g_deskDupl->AcquireNextFrame(timeout, &frameInfo, &resource);
+        hr = monitor.output->AcquireNextFrame(g_timeout, &frameInfo, &resource);
         switch (hr) 
         {
             case S_OK: 
@@ -110,7 +123,7 @@ extern "C"
             }
             case DXGI_ERROR_ACCESS_LOST: 
             {
-                FinalizeDuplication();
+                resource->Release();
                 InitializeDuplication();
                 return;
             }
@@ -120,26 +133,27 @@ extern "C"
             }
         }
 
-        g_isPointerVisible = frameInfo.PointerPosition.Visible;
-        g_pointerX = frameInfo.PointerPosition.Position.x;
-        g_pointerY = frameInfo.PointerPosition.Position.y;
+        monitor.isPointerVisible = frameInfo.PointerPosition.Visible == TRUE;
+        monitor.pointerX = frameInfo.PointerPosition.Position.x;
+        monitor.pointerY = frameInfo.PointerPosition.Position.y;
 
         ID3D11Texture2D* texture;
         hr = resource->QueryInterface(__uuidof(ID3D11Texture2D), reinterpret_cast<void**>(&texture));
         if (hr != S_OK) 
         {
             resource->Release();
+            monitor.output->ReleaseFrame();
             return;
         }
 
-        resource->Release();
-
         ID3D11DeviceContext* context;
         auto device = g_unity->Get<IUnityGraphicsD3D11>()->GetDevice();
         device->GetImmediateContext(&context);
-        context->CopyResource(g_texture, texture);
+        context->CopyResource(monitor.texture, texture);
 
-        g_deskDupl->ReleaseFrame();
+        resource->Release();
+        texture->Release();
+        monitor.output->ReleaseFrame();
     }
 
     UNITY_INTERFACE_EXPORT UnityRenderingEvent UNITY_INTERFACE_API GetRenderEventFunc()
@@ -147,33 +161,61 @@ extern "C"
         return OnRenderEvent;
     }
 
-    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetWidth()
+    UNITY_INTERFACE_EXPORT size_t UNITY_INTERFACE_API GetMonitorCount()
     {
-        return g_width;
+        return g_monitors.size();
     }
 
-    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetHeight()
+    UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API SetTimeout(int timeout)
     {
-        return g_height;
+        g_timeout = timeout;
     }
 
-    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API IsPointerVisible()
+    UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API GetName(int id, char* buf, int len)
     {
-        return g_isPointerVisible;
+        if (!DoesMonitorExist(id)) return;
+        strcpy_s(buf, len, g_monitors[id].name.c_str());
     }
 
-    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetPointerX()
+    UNITY_INTERFACE_EXPORT bool UNITY_INTERFACE_API IsPrimary(int id)
     {
-        return g_pointerX;
+        if (!DoesMonitorExist(id)) return false;
+        return g_monitors[id].isPrimary;
     }
 
-    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetPointerY()
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetWidth(int id)
     {
-        return g_pointerY;
+        if (!DoesMonitorExist(id)) return -1;
+        return g_monitors[id].width;
     }
 
-    UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API SetTexturePtr(void* texture)
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetHeight(int id)
     {
-        g_texture = reinterpret_cast<ID3D11Texture2D*>(texture);
+        if (!DoesMonitorExist(id)) return -1;
+        return g_monitors[id].height;
+    }
+
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API IsPointerVisible(int id)
+    {
+        if (!DoesMonitorExist(id)) return false;
+        return g_monitors[id].isPointerVisible;
+    }
+
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetPointerX(int id)
+    {
+        if (!DoesMonitorExist(id)) return -1;
+        return g_monitors[id].pointerX;
+    }
+
+    UNITY_INTERFACE_EXPORT int UNITY_INTERFACE_API GetPointerY(int id)
+    {
+        if (!DoesMonitorExist(id)) return -1;
+        return g_monitors[id].pointerY;
+    }
+
+    UNITY_INTERFACE_EXPORT void UNITY_INTERFACE_API SetTexturePtr(int id, void* texture)
+    {
+        if (!DoesMonitorExist(id)) return;
+        g_monitors[id].texture = reinterpret_cast<ID3D11Texture2D*>(texture);
     }
 }

README.md

@@ -1,12 +1,12 @@
 uDesktopDuplication
 ===================
 
-**uDesktopDuplication** is Desktop Duplication API implementation for Unity.
+**uDesktopDuplication** is a Unity asset to use the realtime screen capture as `Texture2D` using Desktop Duplication API.
 
 
 ScreenShot
 ----------
-![uDesktopDuplication](https://raw.githubusercontent.com/wiki/hecomi/uDesktopDuplication/screenshot.png)
+![uDesktopDuplication](https://raw.githubusercontent.com/wiki/hecomi/uDesktopDuplication/animation.gif)
 
 
 Environment
@@ -22,20 +22,38 @@ Please download the latest *uDesktopDuplication.unitypackage* from the [release
 
 Usage
 -----
-Attach `uDesktopDuplication.cs` component to the target object, then its main texture will be replaced with the captured screen.
-
-
-TODOs
------
-- [ ] Mouse cursor
-- [ ] Monitor selector
-- [ ] Support linear color
-
-Please request new features you want to issues.
+Attach `uDesktopDuplication/Texture` component to the target object, then its main texture will be replaced with the captured screen. Please see example scenes for more details.
 
 
 Version
 -------
-| Data       | Version | Description                 |
-| ---------- | ------- | --------------------------- |
-| 2016/10/27 |  0.0.1  | Initial commit.             |
+| Data       | Version | Description                       |
+| ---------- | ------- | --------------------------------- |
+| 2016/10/28 |  1.0.0  | Support multiple screens.         |
+| 2016/10/27 |  0.0.3  | Support lienar color.             |
+| 2016/10/27 |  0.0.2  | Add mouse cursor / shaders.       |
+| 2016/10/27 |  0.0.1  | Initial commit.                   |
+
+
+Lisence
+-------
+The MIT License (MIT)
+
+Copyright (c) 2016 hecomi
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.