IMGU_SCALER_FILTER_TAPS
#define IMGU_SCALER_TAPS_Y IMGU_SCALER_FILTER_TAPS
#define IMGU_SCALER_TAPS_UV (IMGU_SCALER_FILTER_TAPS / 2)
phase_taps = phase * IMGU_SCALER_FILTER_TAPS;
phase_taps = phase * IMGU_SCALER_FILTER_TAPS;