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Shader "Hidden/PrimitiveIDVariableNode" { SubShader { Pass { CGPROGRAM #include "UnityCG.cginc" #pragma vertex vert_img #pragma fragment frag float4 frag( v2f_img i, uint ase_primitiveId : SV_PrimitiveID ) : SV_Target { return ase_primitiveId; } ENDCG } } }