Lines Matching full:tap

72  * 7-tap mode is for scale factors 0.25x to 0.5x.
73  * 4-tap mode is for scale factors 0.5x to 4.0x.
77 	/* For 8-phase 4-tap horizontal filter: */
88 	/* For 8-phase 4-tap vertical filter: */
99 	/* For 4-phase 7-tap horizontal filter: */
107 	/* For 4-phase 7-tap vertical filter: */
115 	 * The dummy padding is required in 7-tap mode because of how the
707  * - 8-phase, 4-tap mode (RSZ = 64 ~ 512)
710  * - 4-phase, 7-tap mode (RSZ = 513 ~ 1024)
721  * inequality (taking the 4-tap mode width equation as an example)
739  * - 8-phase, 4-tap mode
742  * - 4-phase, 7-tap mode
750  * the ratio, depends on the ratio, we start with the 4-tap mode equations to
751  * compute an approximation of the ratio, and switch to the 7-tap mode equations
754  * As the 7-tap mode equations will return a ratio smaller than or equal to the
755  * 4-tap mode equations, the resulting ratio could become lower than or equal to
758  * 4-tap mode equations ensure that, in case of values resulting in a 'ratio
765  * computed using the 7-tap equations.
771  * and computed using the 4-tap equations.
884 	 * Take the alignment into account (the maximum width in 7-tap mode on  in resizer_calc_ratios()