support rotation 90/180/270 degs.

Assets/uDesktopDuplication/Examples/Scripts/MultipleMonitorCreator.cs

@@ -8,31 +8,46 @@ public class MultipleMonitorCreator : MonoBehaviour
 
     void Start()
     {
+        // Sort monitors in coordinate order
         var monitors = uDesktopDuplication.Manager.monitors;
         monitors.Sort((a, b) => a.left - b.left);
 
+        // Create monitors
         var n = monitors.Count;
-
         var totalWidth = 0f;
         for (int i = 0 ; i < n; ++i) {
+            // Create monitor obeject
             var go = Instantiate(monitorPrefab);
             go.name = "Monitor " + i;
+
+            // Assign monitor
             var texture = go.GetComponent<uDesktopDuplication.Texture>();
             texture.monitorId = i;
-            var height = width / texture.monitor.aspect;
+
-            go.transform.localScale = new Vector3(width, go.transform.localScale.y, height);
+            // Set width / height
+            var isHorizontal = texture.monitor.isHorizontal;
+            var w = isHorizontal ? width : (width * texture.monitor.aspect);
+            var h = isHorizontal ? width / texture.monitor.aspect : width;
+            go.transform.localScale = new Vector3(w, go.transform.localScale.y, h);
+
+            // Set parent as this object
             go.transform.SetParent(transform);
+
+            // Calc actual size considering mesh size
             var scaleX = go.GetComponent<MeshFilter>().sharedMesh.bounds.extents.x * 2f;
-            totalWidth += width * scaleX;
+            totalWidth += w * scaleX;
         }
 
-
+        // Set positions with margin
         totalWidth += margin * (n - 1);
         var x = -totalWidth / 2;
         for (int i = 0 ; i < n; ++i) {
+            // 
             var go = transform.FindChild("Monitor " + i);
+            var texture = go.GetComponent<uDesktopDuplication.Texture>();
             var halfScaleX = go.GetComponent<MeshFilter>().sharedMesh.bounds.extents.x;
-            var halfWidth = width * halfScaleX;
+            var w = texture.monitor.isHorizontal ? width : (width * texture.monitor.aspect);
+            var halfWidth = w * halfScaleX;
             x += halfWidth;
             go.transform.localPosition = new Vector3(x, 0f, 0f);
             x += halfWidth + margin;

Assets/uDesktopDuplication/Scripts/Texture.cs

@@ -68,10 +68,30 @@ public class Texture : MonoBehaviour
             material.DisableKeyword("INVERT_Y");
         }
 
-        if (monitor.isVertical) {
+        switch (monitor.rotation)
-            material.EnableKeyword("VERTICAL");
+        {
-        } else {
+            case MonitorRotation.Identity:
-            material.DisableKeyword("VERTICAL");
+                material.DisableKeyword("ROTATE90");
+                material.DisableKeyword("ROTATE180");
+                material.DisableKeyword("ROTATE270");
+                break;
+            case MonitorRotation.Rotate90:
+                material.EnableKeyword("ROTATE90");
+                material.DisableKeyword("ROTATE180");
+                material.DisableKeyword("ROTATE270");
+                break;
+            case MonitorRotation.Rotate180:
+                material.DisableKeyword("ROTATE90");
+                material.EnableKeyword("ROTATE180");
+                material.DisableKeyword("ROTATE270");
+                break;
+            case MonitorRotation.Rotate270:
+                material.DisableKeyword("ROTATE90");
+                material.DisableKeyword("ROTATE180");
+                material.EnableKeyword("ROTATE270");
+                break;
+            default:
+                break;
         }
     }
 }

Assets/uDesktopDuplication/Shaders/uDD_Common.cginc

@@ -20,22 +20,35 @@ struct Input
 	float2 uv_MainTex;
 };
 
-inline void uddInvertUV(inout float2 uv)
+float2 uddInvertUV(float2 uv)
 {
 #ifdef INVERT_X
-    uv.x = 1.0 - uv.x;
+	uv.x = 1.0 - uv.x;
 #endif
 #ifdef INVERT_Y
-    uv.y = 1.0 - uv.y;
+	uv.y = 1.0 - uv.y;
 #endif
-#ifdef VERTICAL
+	return uv;
+}
+
+float2 uddRotateUV(float2 uv)
+{
+#ifdef ROTATE90
     float2 tmp = uv;
     uv.x = tmp.y;
     uv.y = 1.0 - tmp.x;
+#elif ROTATE180
+	uv.x = 1.0 - uv.x;
+	uv.y = 1.0 - uv.y;
+#elif ROTATE270
+    float2 tmp = uv;
+    uv.x = 1.0 - tmp.y;
+    uv.y = tmp.x;
 #endif
+	return uv;
 }
 
-inline void uddToLinearIfNeeded(inout fixed3 rgb)
+inline void uddConvertToLinearIfNeeded(inout fixed3 rgb)
 {
     if (!IsGammaSpace()) {
         rgb = GammaToLinearSpace(rgb);
@@ -60,11 +73,11 @@ inline fixed4 uddGetCursorTexture(sampler2D tex, float2 uv, fixed4 cursorPosScal
 
 inline fixed4 uddGetScreenTextureWithCursor(sampler2D screenTex, sampler2D cursorTex, float2 uv, fixed4 cursorPosScale)
 {
-	uddInvertUV(uv);
+	uv = uddInvertUV(uv);
-	fixed4 screen = uddGetScreenTexture(screenTex, uv);
+	fixed4 screen = uddGetScreenTexture(screenTex, uddRotateUV(uv));
 	fixed4 cursor = uddGetCursorTexture(cursorTex, uv, cursorPosScale);
 	fixed4 color = lerp(screen, cursor, cursor.a);
-	uddToLinearIfNeeded(color.rgb);
+	uddConvertToLinearIfNeeded(color.rgb);
 	return color;
 }
 

Assets/uDesktopDuplication/Shaders/uDD_Standard.shader

@@ -23,6 +23,7 @@ SubShader
     #pragma multi_compile ___ INVERT_X
     #pragma multi_compile ___ INVERT_Y
     #pragma multi_compile ___ VERTICAL
+    #pragma multi_compile ___ ROTATE90 ROTATE180 ROTATE270
 
 	#define SURFACE_SHADER
     #include "./uDD_Common.cginc"

Assets/uDesktopDuplication/Shaders/uDD_Unlit.shader

@@ -53,6 +53,7 @@ Pass
     #pragma multi_compile ___ INVERT_Y
     #pragma multi_compile ___ VERTICAL
     #pragma shader_feature ___ USE_BEND
+    #pragma multi_compile ___ ROTATE90 ROTATE180 ROTATE270
     ENDCG
 }
 

Assets/uDesktopDuplication/Shaders/uDD_Unlit_BlackMask.shader

@@ -50,6 +50,7 @@ Pass
 	#pragma multi_compile ___ INVERT_X
 	#pragma multi_compile ___ INVERT_Y
 	#pragma multi_compile ___ VERTICAL
+    #pragma multi_compile ___ ROTATE90 ROTATE180 ROTATE270
 	ENDCG
 }
 

Assets/uDesktopDuplication/Shaders/uDD_Unlit_Transparent.shader

@@ -45,6 +45,7 @@ Pass
     #pragma multi_compile ___ INVERT_X
     #pragma multi_compile ___ INVERT_Y
     #pragma multi_compile ___ VERTICAL
+    #pragma multi_compile ___ ROTATE90 ROTATE180 ROTATE270
     ENDCG
 }