scope (global) [
    [pixel__ps_main]  : () -> float4
    [vertex__vs_main] : (pos : float3, uv : float2) -> float3
    [properties]      : properties
    scope (properties) [
        [color]           : float4
    ]
    scope (vertex__vs_main) [
        [pos]             : float3
        [uv]              : float2
    ]
    scope (pixel__ps_main) []
]