1void PixelShaderFunction(float4 input) : COLOR0 2{ 3 [unroll]; 4 []; 5 [][][]; 6 [unroll(4)]; 7 [allow_uav_condition]; 8 [unroll(4)] [allow_uav_condition]; 9 [ loop ]; 10 [fastopt]; 11 [branch] if (0); 12 [flatten]; 13} 14