// Unity 4 compatibility
#ifndef UNITY_VERTEX_INPUT_INSTANCE_ID
#define UNITY_VERTEX_INPUT_INSTANCE_ID
#define UNITY_VERTEX_OUTPUT_STEREO
#define UNITY_SETUP_INSTANCE_ID(v)
#define UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(i)
#define UnityObjectToClipPos(v) UnityObjectToClipPos(v)
#endif