 
 			#include "UnityCG.cginc"
 			#include "PopCommon.cginc"
+
+
+			//	global toggle
+			int LeftEye = 0;
+
 
 			struct appdata
 			{

	Properties
	{
		_MainTex ("Texture", 2D) = "white" {}
	}
	SubShader
	{


			bool IsStereoLeftEye()
			{
				return (LeftEye!=0) ? true : false;
			}

			float2 MonoUvToStereoUv(float2 uv)
