diff --git a/Assets/uDesktopDuplication/Shaders/uDD_Common.cginc b/Assets/uDesktopDuplication/Shaders/uDD_Common.cginc
index f0f8e5a..251b9e7 100644
--- a/Assets/uDesktopDuplication/Shaders/uDD_Common.cginc
+++ b/Assets/uDesktopDuplication/Shaders/uDD_Common.cginc
@@ -8,12 +8,14 @@ struct appdata
 {
     float4 vertex : POSITION;
     float2 uv     : TEXCOORD0;
+    UNITY_VERTEX_INPUT_INSTANCE_ID
 };
 
 struct v2f
 {
     float4 vertex : SV_POSITION;
     float2 uv     : TEXCOORD0;
+    UNITY_VERTEX_OUTPUT_STEREO
 };
 
 struct Input 
diff --git a/Assets/uDesktopDuplication/Shaders/uDD_Unlit.shader b/Assets/uDesktopDuplication/Shaders/uDD_Unlit.shader
index ee76b1e..6dd8da6 100644
--- a/Assets/uDesktopDuplication/Shaders/uDD_Unlit.shader
+++ b/Assets/uDesktopDuplication/Shaders/uDD_Unlit.shader
@@ -28,6 +28,9 @@ CGINCLUDE
 v2f vert(appdata v)
 {
     v2f o;
+    UNITY_SETUP_INSTANCE_ID(v);
+    UNITY_INITIALIZE_OUTPUT(v2f, o);
+    UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
     uddBendVertex(v.vertex.xyz, _Radius, _Width, _Thickness);
     o.vertex = UnityObjectToClipPos(v.vertex);
     o.uv = TRANSFORM_TEX(v.uv, _MainTex);
diff --git a/Assets/uDesktopDuplication/Shaders/uDD_Unlit_BlackMask.shader b/Assets/uDesktopDuplication/Shaders/uDD_Unlit_BlackMask.shader
index dc64f02..32ccc7f 100644
--- a/Assets/uDesktopDuplication/Shaders/uDD_Unlit_BlackMask.shader
+++ b/Assets/uDesktopDuplication/Shaders/uDD_Unlit_BlackMask.shader
@@ -33,6 +33,9 @@ fixed _Mask;
 v2f vert(appdata v)
 {
     v2f o;
+    UNITY_SETUP_INSTANCE_ID(v);
+    UNITY_INITIALIZE_OUTPUT(v2f, o);
+    UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
     uddBendVertex(v.vertex.xyz, _Radius, _Width, _Thickness);
     o.vertex = UnityObjectToClipPos(v.vertex);
     o.uv = TRANSFORM_TEX(v.uv, _MainTex);
diff --git a/Assets/uDesktopDuplication/Shaders/uDD_Unlit_Transparent.shader b/Assets/uDesktopDuplication/Shaders/uDD_Unlit_Transparent.shader
index f9aa2d0..d33dea0 100644
--- a/Assets/uDesktopDuplication/Shaders/uDD_Unlit_Transparent.shader
+++ b/Assets/uDesktopDuplication/Shaders/uDD_Unlit_Transparent.shader
@@ -30,6 +30,9 @@ CGINCLUDE
 v2f vert(appdata v)
 {
     v2f o;
+    UNITY_SETUP_INSTANCE_ID(v);
+    UNITY_INITIALIZE_OUTPUT(v2f, o);
+    UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
     uddBendVertex(v.vertex.xyz, _Radius, _Width, _Thickness);
     o.vertex = UnityObjectToClipPos(v.vertex);
     o.uv = TRANSFORM_TEX(v.uv, _MainTex);