| /* |
| * Copyright (c) 2016 Google Inc. |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "libavutil/arm/asm.S" |
| |
| @ All public functions in this file have the following signature: |
| @ typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride, |
| @ const uint8_t *ref, ptrdiff_t ref_stride, |
| @ int h, int mx, int my); |
| |
| function ff_vp9_copy64_neon, export=1 |
| ldr r12, [sp] |
| sub r1, r1, #32 |
| sub r3, r3, #32 |
| 1: |
| vld1.8 {q0, q1}, [r2]! |
| vst1.8 {q0, q1}, [r0, :128]! |
| vld1.8 {q2, q3}, [r2], r3 |
| subs r12, r12, #1 |
| vst1.8 {q2, q3}, [r0, :128], r1 |
| bne 1b |
| bx lr |
| endfunc |
| |
| function ff_vp9_avg64_neon, export=1 |
| push {lr} |
| ldr r12, [sp, #4] |
| sub r1, r1, #32 |
| sub r3, r3, #32 |
| mov lr, r0 |
| 1: |
| vld1.8 {q8, q9}, [r2]! |
| vld1.8 {q0, q1}, [r0, :128]! |
| vld1.8 {q10, q11}, [r2], r3 |
| vrhadd.u8 q0, q0, q8 |
| vld1.8 {q2, q3}, [r0, :128], r1 |
| vrhadd.u8 q1, q1, q9 |
| vrhadd.u8 q2, q2, q10 |
| vst1.8 {q0, q1}, [lr, :128]! |
| vrhadd.u8 q3, q3, q11 |
| vst1.8 {q2, q3}, [lr, :128], r1 |
| subs r12, r12, #1 |
| bne 1b |
| pop {pc} |
| endfunc |
| |
| function ff_vp9_copy32_neon, export=1 |
| ldr r12, [sp] |
| 1: |
| vld1.8 {q0, q1}, [r2], r3 |
| subs r12, r12, #1 |
| vst1.8 {q0, q1}, [r0, :128], r1 |
| bne 1b |
| bx lr |
| endfunc |
| |
| function ff_vp9_avg32_neon, export=1 |
| ldr r12, [sp] |
| 1: |
| vld1.8 {q2, q3}, [r2], r3 |
| vld1.8 {q0, q1}, [r0, :128] |
| vrhadd.u8 q0, q0, q2 |
| vrhadd.u8 q1, q1, q3 |
| subs r12, r12, #1 |
| vst1.8 {q0, q1}, [r0, :128], r1 |
| bne 1b |
| bx lr |
| endfunc |
| |
| function ff_vp9_copy16_neon, export=1 |
| push {r4,lr} |
| ldr r12, [sp, #8] |
| add r4, r0, r1 |
| add lr, r2, r3 |
| add r1, r1, r1 |
| add r3, r3, r3 |
| 1: |
| vld1.8 {q0}, [r2], r3 |
| vld1.8 {q1}, [lr], r3 |
| subs r12, r12, #2 |
| vst1.8 {q0}, [r0, :128], r1 |
| vst1.8 {q1}, [r4, :128], r1 |
| bne 1b |
| pop {r4,pc} |
| endfunc |
| |
| function ff_vp9_avg16_neon, export=1 |
| push {lr} |
| ldr r12, [sp, #4] |
| mov lr, r0 |
| 1: |
| vld1.8 {q2}, [r2], r3 |
| vld1.8 {q0}, [r0, :128], r1 |
| vld1.8 {q3}, [r2], r3 |
| vrhadd.u8 q0, q0, q2 |
| vld1.8 {q1}, [r0, :128], r1 |
| vrhadd.u8 q1, q1, q3 |
| subs r12, r12, #2 |
| vst1.8 {q0}, [lr, :128], r1 |
| vst1.8 {q1}, [lr, :128], r1 |
| bne 1b |
| pop {pc} |
| endfunc |
| |
| function ff_vp9_copy8_neon, export=1 |
| ldr r12, [sp] |
| 1: |
| vld1.8 {d0}, [r2], r3 |
| vld1.8 {d1}, [r2], r3 |
| subs r12, r12, #2 |
| vst1.8 {d0}, [r0, :64], r1 |
| vst1.8 {d1}, [r0, :64], r1 |
| bne 1b |
| bx lr |
| endfunc |
| |
| function ff_vp9_avg8_neon, export=1 |
| ldr r12, [sp] |
| 1: |
| vld1.8 {d2}, [r2], r3 |
| vld1.8 {d0}, [r0, :64], r1 |
| vld1.8 {d3}, [r2], r3 |
| vrhadd.u8 d0, d0, d2 |
| vld1.8 {d1}, [r0, :64] |
| sub r0, r0, r1 |
| vrhadd.u8 d1, d1, d3 |
| subs r12, r12, #2 |
| vst1.8 {d0}, [r0, :64], r1 |
| vst1.8 {d1}, [r0, :64], r1 |
| bne 1b |
| bx lr |
| endfunc |
| |
| function ff_vp9_copy4_neon, export=1 |
| ldr r12, [sp] |
| 1: |
| vld1.32 {d0[]}, [r2], r3 |
| vld1.32 {d1[]}, [r2], r3 |
| vst1.32 {d0[0]}, [r0, :32], r1 |
| vld1.32 {d2[]}, [r2], r3 |
| vst1.32 {d1[0]}, [r0, :32], r1 |
| vld1.32 {d3[]}, [r2], r3 |
| subs r12, r12, #4 |
| vst1.32 {d2[0]}, [r0, :32], r1 |
| vst1.32 {d3[0]}, [r0, :32], r1 |
| bne 1b |
| bx lr |
| endfunc |
| |
| function ff_vp9_avg4_neon, export=1 |
| push {lr} |
| ldr r12, [sp, #4] |
| mov lr, r0 |
| 1: |
| vld1.32 {d4[]}, [r2], r3 |
| vld1.32 {d0[]}, [r0, :32], r1 |
| vld1.32 {d5[]}, [r2], r3 |
| vrhadd.u8 d0, d0, d4 |
| vld1.32 {d1[]}, [r0, :32], r1 |
| vld1.32 {d6[]}, [r2], r3 |
| vrhadd.u8 d1, d1, d5 |
| vld1.32 {d2[]}, [r0, :32], r1 |
| vld1.32 {d7[]}, [r2], r3 |
| vrhadd.u8 d2, d2, d6 |
| vld1.32 {d3[]}, [r0, :32], r1 |
| subs r12, r12, #4 |
| vst1.32 {d0[0]}, [lr, :32], r1 |
| vrhadd.u8 d3, d3, d7 |
| vst1.32 {d1[0]}, [lr, :32], r1 |
| vst1.32 {d2[0]}, [lr, :32], r1 |
| vst1.32 {d3[0]}, [lr, :32], r1 |
| bne 1b |
| pop {pc} |
| endfunc |
| |
| @ Helper macros for vmul/vmla with a constant from either d0 or d1 depending on index |
| .macro vmul_lane dst, src, idx |
| .if \idx < 4 |
| vmul.s16 \dst, \src, d0[\idx] |
| .else |
| vmul.s16 \dst, \src, d1[\idx - 4] |
| .endif |
| .endm |
| .macro vmla_lane dst, src, idx |
| .if \idx < 4 |
| vmla.s16 \dst, \src, d0[\idx] |
| .else |
| vmla.s16 \dst, \src, d1[\idx - 4] |
| .endif |
| .endm |
| |
| @ Extract a vector from src1-src2 and src4-src5 (src1-src3 and src4-src6 |
| @ for size >= 16), and multiply-accumulate into dst1 and dst3 (or |
| @ dst1-dst2 and dst3-dst4 for size >= 16) |
| .macro extmla dst1, dst2, dst3, dst4, dst1d, dst3d, src1, src2, src3, src4, src5, src6, offset, size |
| vext.8 q14, \src1, \src2, #(2*\offset) |
| vext.8 q15, \src4, \src5, #(2*\offset) |
| .if \size >= 16 |
| vmla_lane \dst1, q14, \offset |
| vext.8 q5, \src2, \src3, #(2*\offset) |
| vmla_lane \dst3, q15, \offset |
| vext.8 q6, \src5, \src6, #(2*\offset) |
| vmla_lane \dst2, q5, \offset |
| vmla_lane \dst4, q6, \offset |
| .elseif \size == 8 |
| vmla_lane \dst1, q14, \offset |
| vmla_lane \dst3, q15, \offset |
| .else |
| vmla_lane \dst1d, d28, \offset |
| vmla_lane \dst3d, d30, \offset |
| .endif |
| .endm |
| @ The same as above, but don't accumulate straight into the |
| @ destination, but use a temp register and accumulate with saturation. |
| .macro extmulqadd dst1, dst2, dst3, dst4, dst1d, dst3d, src1, src2, src3, src4, src5, src6, offset, size |
| vext.8 q14, \src1, \src2, #(2*\offset) |
| vext.8 q15, \src4, \src5, #(2*\offset) |
| .if \size >= 16 |
| vmul_lane q14, q14, \offset |
| vext.8 q5, \src2, \src3, #(2*\offset) |
| vmul_lane q15, q15, \offset |
| vext.8 q6, \src5, \src6, #(2*\offset) |
| vmul_lane q5, q5, \offset |
| vmul_lane q6, q6, \offset |
| .elseif \size == 8 |
| vmul_lane q14, q14, \offset |
| vmul_lane q15, q15, \offset |
| .else |
| vmul_lane d28, d28, \offset |
| vmul_lane d30, d30, \offset |
| .endif |
| .if \size == 4 |
| vqadd.s16 \dst1d, \dst1d, d28 |
| vqadd.s16 \dst3d, \dst3d, d30 |
| .else |
| vqadd.s16 \dst1, \dst1, q14 |
| vqadd.s16 \dst3, \dst3, q15 |
| .if \size >= 16 |
| vqadd.s16 \dst2, \dst2, q5 |
| vqadd.s16 \dst4, \dst4, q6 |
| .endif |
| .endif |
| .endm |
| |
| |
| @ Instantiate a horizontal filter function for the given size. |
| @ This can work on 4, 8 or 16 pixels in parallel; for larger |
| @ widths it will do 16 pixels at a time and loop horizontally. |
| @ The actual width is passed in r5, the height in r4 and |
| @ the filter coefficients in r12. idx2 is the index of the largest |
| @ filter coefficient (3 or 4) and idx1 is the other one of them. |
| .macro do_8tap_h type, size, idx1, idx2 |
| function \type\()_8tap_\size\()h_\idx1\idx2 |
| sub r2, r2, #3 |
| add r6, r0, r1 |
| add r7, r2, r3 |
| add r1, r1, r1 |
| add r3, r3, r3 |
| @ Only size >= 16 loops horizontally and needs |
| @ reduced dst stride |
| .if \size >= 16 |
| sub r1, r1, r5 |
| .endif |
| @ size >= 16 loads two qwords and increments r2, |
| @ for size 4/8 it's enough with one qword and no |
| @ postincrement |
| .if \size >= 16 |
| sub r3, r3, r5 |
| sub r3, r3, #8 |
| .endif |
| @ Load the filter vector |
| vld1.16 {q0}, [r12,:128] |
| 1: |
| .if \size >= 16 |
| mov r12, r5 |
| .endif |
| @ Load src |
| .if \size >= 16 |
| vld1.8 {d18, d19, d20}, [r2]! |
| vld1.8 {d24, d25, d26}, [r7]! |
| .else |
| vld1.8 {q9}, [r2] |
| vld1.8 {q12}, [r7] |
| .endif |
| vmovl.u8 q8, d18 |
| vmovl.u8 q9, d19 |
| vmovl.u8 q11, d24 |
| vmovl.u8 q12, d25 |
| .if \size >= 16 |
| vmovl.u8 q10, d20 |
| vmovl.u8 q13, d26 |
| .endif |
| 2: |
| |
| @ Accumulate, adding idx2 last with a separate |
| @ saturating add. The positive filter coefficients |
| @ for all indices except idx2 must add up to less |
| @ than 127 for this not to overflow. |
| vmul.s16 q1, q8, d0[0] |
| vmul.s16 q3, q11, d0[0] |
| .if \size >= 16 |
| vmul.s16 q2, q9, d0[0] |
| vmul.s16 q4, q12, d0[0] |
| .endif |
| extmla q1, q2, q3, q4, d2, d6, q8, q9, q10, q11, q12, q13, 1, \size |
| extmla q1, q2, q3, q4, d2, d6, q8, q9, q10, q11, q12, q13, 2, \size |
| extmla q1, q2, q3, q4, d2, d6, q8, q9, q10, q11, q12, q13, \idx1, \size |
| extmla q1, q2, q3, q4, d2, d6, q8, q9, q10, q11, q12, q13, 5, \size |
| extmla q1, q2, q3, q4, d2, d6, q8, q9, q10, q11, q12, q13, 6, \size |
| extmla q1, q2, q3, q4, d2, d6, q8, q9, q10, q11, q12, q13, 7, \size |
| extmulqadd q1, q2, q3, q4, d2, d6, q8, q9, q10, q11, q12, q13, \idx2, \size |
| |
| @ Round, shift and saturate |
| vqrshrun.s16 d2, q1, #7 |
| vqrshrun.s16 d6, q3, #7 |
| .if \size >= 16 |
| vqrshrun.s16 d3, q2, #7 |
| vqrshrun.s16 d7, q4, #7 |
| .endif |
| @ Average |
| .ifc \type,avg |
| .if \size >= 16 |
| vld1.8 {q14}, [r0,:128] |
| vld1.8 {q15}, [r6,:128] |
| vrhadd.u8 q1, q1, q14 |
| vrhadd.u8 q3, q3, q15 |
| .elseif \size == 8 |
| vld1.8 {d28}, [r0,:64] |
| vld1.8 {d30}, [r6,:64] |
| vrhadd.u8 d2, d2, d28 |
| vrhadd.u8 d6, d6, d30 |
| .else |
| @ We only need d28[0], but [] is faster on some cores |
| vld1.32 {d28[]}, [r0,:32] |
| vld1.32 {d30[]}, [r6,:32] |
| vrhadd.u8 d2, d2, d28 |
| vrhadd.u8 d6, d6, d30 |
| .endif |
| .endif |
| @ Store and loop horizontally (for size >= 16) |
| .if \size >= 16 |
| subs r12, r12, #16 |
| vst1.8 {q1}, [r0,:128]! |
| vst1.8 {q3}, [r6,:128]! |
| beq 3f |
| vmov q8, q10 |
| vmov q11, q13 |
| vld1.8 {q10}, [r2]! |
| vld1.8 {q13}, [r7]! |
| vmovl.u8 q9, d20 |
| vmovl.u8 q10, d21 |
| vmovl.u8 q12, d26 |
| vmovl.u8 q13, d27 |
| b 2b |
| .elseif \size == 8 |
| vst1.8 {d2}, [r0,:64] |
| vst1.8 {d6}, [r6,:64] |
| .else @ \size == 4 |
| vst1.32 {d2[0]}, [r0,:32] |
| vst1.32 {d6[0]}, [r6,:32] |
| .endif |
| 3: |
| @ Loop vertically |
| add r0, r0, r1 |
| add r6, r6, r1 |
| add r2, r2, r3 |
| add r7, r7, r3 |
| subs r4, r4, #2 |
| bne 1b |
| .if \size >= 16 |
| vpop {q4-q6} |
| .endif |
| pop {r4-r7} |
| bx lr |
| endfunc |
| .endm |
| |
| .macro do_8tap_h_size size |
| do_8tap_h put, \size, 3, 4 |
| do_8tap_h avg, \size, 3, 4 |
| do_8tap_h put, \size, 4, 3 |
| do_8tap_h avg, \size, 4, 3 |
| .endm |
| |
| do_8tap_h_size 4 |
| do_8tap_h_size 8 |
| do_8tap_h_size 16 |
| |
| .macro do_8tap_h_func type, filter, offset, size |
| function ff_vp9_\type\()_\filter\()\size\()_h_neon, export=1 |
| push {r4-r7} |
| .if \size >= 16 |
| vpush {q4-q6} |
| ldr r4, [sp, #64] |
| ldr r5, [sp, #68] |
| .else |
| ldr r4, [sp, #16] |
| ldr r5, [sp, #20] |
| .endif |
| movrelx r12, X(ff_vp9_subpel_filters), r6 |
| add r12, r12, 256*\offset |
| cmp r5, #8 |
| add r12, r12, r5, lsl #4 |
| mov r5, #\size |
| .if \size >= 16 |
| bge \type\()_8tap_16h_34 |
| b \type\()_8tap_16h_43 |
| .else |
| bge \type\()_8tap_\size\()h_34 |
| b \type\()_8tap_\size\()h_43 |
| .endif |
| endfunc |
| .endm |
| |
| .macro do_8tap_h_filters size |
| do_8tap_h_func put, regular, 1, \size |
| do_8tap_h_func avg, regular, 1, \size |
| do_8tap_h_func put, sharp, 2, \size |
| do_8tap_h_func avg, sharp, 2, \size |
| do_8tap_h_func put, smooth, 0, \size |
| do_8tap_h_func avg, smooth, 0, \size |
| .endm |
| |
| do_8tap_h_filters 64 |
| do_8tap_h_filters 32 |
| do_8tap_h_filters 16 |
| do_8tap_h_filters 8 |
| do_8tap_h_filters 4 |
| |
| .ltorg |
| |
| @ Vertical filters |
| |
| @ Round, shift and saturate and store qreg1-2 over 4 lines |
| .macro do_store4 qreg1, dreg1, qreg2, dreg2, tmp1, tmp2, type |
| vqrshrun.s16 \dreg1, \qreg1, #7 |
| vqrshrun.s16 \dreg2, \qreg2, #7 |
| .ifc \type,avg |
| vld1.32 {\tmp1[]}, [r0,:32], r1 |
| vld1.32 {\tmp2[]}, [r0,:32], r1 |
| vld1.32 {\tmp1[1]}, [r0,:32], r1 |
| vld1.32 {\tmp2[1]}, [r0,:32], r1 |
| vrhadd.u8 \dreg1, \dreg1, \tmp1 |
| vrhadd.u8 \dreg2, \dreg2, \tmp2 |
| sub r0, r0, r1, lsl #2 |
| .endif |
| vst1.32 {\dreg1[0]}, [r0,:32], r1 |
| vst1.32 {\dreg2[0]}, [r0,:32], r1 |
| vst1.32 {\dreg1[1]}, [r0,:32], r1 |
| vst1.32 {\dreg2[1]}, [r0,:32], r1 |
| .endm |
| |
| @ Round, shift and saturate and store qreg1-4 |
| .macro do_store qreg1, dreg1, qreg2, dreg2, qreg3, dreg3, qreg4, dreg4, tmp1, tmp2, tmp3, tmp4, type |
| vqrshrun.s16 \dreg1, \qreg1, #7 |
| vqrshrun.s16 \dreg2, \qreg2, #7 |
| vqrshrun.s16 \dreg3, \qreg3, #7 |
| vqrshrun.s16 \dreg4, \qreg4, #7 |
| .ifc \type,avg |
| vld1.8 {\tmp1}, [r0,:64], r1 |
| vld1.8 {\tmp2}, [r0,:64], r1 |
| vld1.8 {\tmp3}, [r0,:64], r1 |
| vld1.8 {\tmp4}, [r0,:64], r1 |
| vrhadd.u8 \dreg1, \dreg1, \tmp1 |
| vrhadd.u8 \dreg2, \dreg2, \tmp2 |
| vrhadd.u8 \dreg3, \dreg3, \tmp3 |
| vrhadd.u8 \dreg4, \dreg4, \tmp4 |
| sub r0, r0, r1, lsl #2 |
| .endif |
| vst1.8 {\dreg1}, [r0,:64], r1 |
| vst1.8 {\dreg2}, [r0,:64], r1 |
| vst1.8 {\dreg3}, [r0,:64], r1 |
| vst1.8 {\dreg4}, [r0,:64], r1 |
| .endm |
| |
| @ Evaluate the filter twice in parallel, from the inputs src1-src9 into dst1-dst2 |
| @ (src1-src8 into dst1, src2-src9 into dst2), adding idx2 separately |
| @ at the end with saturation. Indices 0 and 7 always have negative or zero |
| @ coefficients, so they can be accumulated into tmp1-tmp2 together with the |
| @ largest coefficient. |
| .macro convolve dst1, dst2, src1, src2, src3, src4, src5, src6, src7, src8, src9, idx1, idx2, tmp1, tmp2 |
| vmul.s16 \dst1, \src2, d0[1] |
| vmul.s16 \dst2, \src3, d0[1] |
| vmul.s16 \tmp1, \src1, d0[0] |
| vmul.s16 \tmp2, \src2, d0[0] |
| vmla.s16 \dst1, \src3, d0[2] |
| vmla.s16 \dst2, \src4, d0[2] |
| .if \idx1 == 3 |
| vmla.s16 \dst1, \src4, d0[3] |
| vmla.s16 \dst2, \src5, d0[3] |
| .else |
| vmla.s16 \dst1, \src5, d1[0] |
| vmla.s16 \dst2, \src6, d1[0] |
| .endif |
| vmla.s16 \dst1, \src6, d1[1] |
| vmla.s16 \dst2, \src7, d1[1] |
| vmla.s16 \tmp1, \src8, d1[3] |
| vmla.s16 \tmp2, \src9, d1[3] |
| vmla.s16 \dst1, \src7, d1[2] |
| vmla.s16 \dst2, \src8, d1[2] |
| .if \idx2 == 3 |
| vmla.s16 \tmp1, \src4, d0[3] |
| vmla.s16 \tmp2, \src5, d0[3] |
| .else |
| vmla.s16 \tmp1, \src5, d1[0] |
| vmla.s16 \tmp2, \src6, d1[0] |
| .endif |
| vqadd.s16 \dst1, \dst1, \tmp1 |
| vqadd.s16 \dst2, \dst2, \tmp2 |
| .endm |
| |
| @ Load pixels and extend them to 16 bit |
| .macro loadl dst1, dst2, dst3, dst4 |
| vld1.8 {d2}, [r2], r3 |
| vld1.8 {d3}, [r2], r3 |
| vld1.8 {d4}, [r2], r3 |
| .ifnb \dst4 |
| vld1.8 {d5}, [r2], r3 |
| .endif |
| vmovl.u8 \dst1, d2 |
| vmovl.u8 \dst2, d3 |
| vmovl.u8 \dst3, d4 |
| .ifnb \dst4 |
| vmovl.u8 \dst4, d5 |
| .endif |
| .endm |
| |
| @ Instantiate a vertical filter function for filtering 8 pixels at a time. |
| @ The height is passed in r4, the width in r5 and the filter coefficients |
| @ in r12. idx2 is the index of the largest filter coefficient (3 or 4) |
| @ and idx1 is the other one of them. |
| .macro do_8tap_8v type, idx1, idx2 |
| function \type\()_8tap_8v_\idx1\idx2 |
| sub r2, r2, r3, lsl #1 |
| sub r2, r2, r3 |
| vld1.16 {q0}, [r12, :128] |
| 1: |
| mov r12, r4 |
| |
| loadl q5, q6, q7 |
| loadl q8, q9, q10, q11 |
| 2: |
| loadl q12, q13, q14, q15 |
| convolve q1, q2, q5, q6, q7, q8, q9, q10, q11, q12, q13, \idx1, \idx2, q4, q5 |
| convolve q3, q4, q7, q8, q9, q10, q11, q12, q13, q14, q15, \idx1, \idx2, q5, q6 |
| do_store q1, d2, q2, d4, q3, d6, q4, d8, d3, d5, d7, d9, \type |
| |
| subs r12, r12, #4 |
| beq 8f |
| |
| loadl q4, q5, q6, q7 |
| convolve q1, q2, q9, q10, q11, q12, q13, q14, q15, q4, q5, \idx1, \idx2, q8, q9 |
| convolve q3, q8, q11, q12, q13, q14, q15, q4, q5, q6, q7, \idx1, \idx2, q9, q10 |
| do_store q1, d2, q2, d4, q3, d6, q8, d16, d3, d5, d7, d17, \type |
| |
| subs r12, r12, #4 |
| beq 8f |
| |
| loadl q8, q9, q10, q11 |
| convolve q1, q2, q13, q14, q15, q4, q5, q6, q7, q8, q9, \idx1, \idx2, q12, q13 |
| convolve q3, q12, q15, q4, q5, q6, q7, q8, q9, q10, q11, \idx1, \idx2, q13, q14 |
| do_store q1, d2, q2, d4, q3, d6, q12, d24, d3, d5, d7, d25, \type |
| |
| subs r12, r12, #4 |
| bne 2b |
| |
| 8: |
| subs r5, r5, #8 |
| beq 9f |
| @ r0 -= h * dst_stride |
| mls r0, r1, r4, r0 |
| @ r2 -= h * src_stride |
| mls r2, r3, r4, r2 |
| @ r2 -= 8 * src_stride |
| sub r2, r2, r3, lsl #3 |
| @ r2 += 1 * src_stride |
| add r2, r2, r3 |
| add r2, r2, #8 |
| add r0, r0, #8 |
| b 1b |
| 9: |
| vpop {q4-q7} |
| pop {r4-r5} |
| bx lr |
| endfunc |
| .endm |
| |
| do_8tap_8v put, 3, 4 |
| do_8tap_8v put, 4, 3 |
| do_8tap_8v avg, 3, 4 |
| do_8tap_8v avg, 4, 3 |
| |
| @ Instantiate a vertical filter function for filtering a 4 pixels wide |
| @ slice. The first half of the registers contain one row, while the second |
| @ half of a register contains the second-next row (also stored in the first |
| @ half of the register two steps ahead). The convolution does two outputs |
| @ at a time; the output of q5-q12 into one, and q4-q13 into another one. |
| @ The first half of first output is the first output row, the first half |
| @ of the other output is the second output row. The second halves of the |
| @ registers are rows 3 and 4. |
| @ This only is designed to work for 4 or 8 output lines. |
| .macro do_8tap_4v type, idx1, idx2 |
| function \type\()_8tap_4v_\idx1\idx2 |
| sub r2, r2, r3, lsl #1 |
| sub r2, r2, r3 |
| vld1.16 {q0}, [r12, :128] |
| |
| vld1.32 {d2[]}, [r2], r3 |
| vld1.32 {d3[]}, [r2], r3 |
| vld1.32 {d4[]}, [r2], r3 |
| vld1.32 {d5[]}, [r2], r3 |
| vld1.32 {d6[]}, [r2], r3 |
| vld1.32 {d7[]}, [r2], r3 |
| vext.8 d2, d2, d4, #4 |
| vld1.32 {d8[]}, [r2], r3 |
| vext.8 d3, d3, d5, #4 |
| vld1.32 {d9[]}, [r2], r3 |
| vmovl.u8 q5, d2 |
| vext.8 d4, d4, d6, #4 |
| vld1.32 {d28[]}, [r2], r3 |
| vmovl.u8 q6, d3 |
| vext.8 d5, d5, d7, #4 |
| vld1.32 {d29[]}, [r2], r3 |
| vmovl.u8 q7, d4 |
| vext.8 d6, d6, d8, #4 |
| vld1.32 {d30[]}, [r2], r3 |
| vmovl.u8 q8, d5 |
| vext.8 d7, d7, d9, #4 |
| vmovl.u8 q9, d6 |
| vext.8 d8, d8, d28, #4 |
| vmovl.u8 q10, d7 |
| vext.8 d9, d9, d29, #4 |
| vmovl.u8 q11, d8 |
| vext.8 d28, d28, d30, #4 |
| vmovl.u8 q12, d9 |
| vmovl.u8 q13, d28 |
| |
| convolve q1, q2, q5, q6, q7, q8, q9, q10, q11, q12, q13, \idx1, \idx2, q4, q3 |
| do_store4 q1, d2, q2, d4, d3, d5, \type |
| subs r4, r4, #4 |
| beq 9f |
| |
| vld1.32 {d2[]}, [r2], r3 |
| vld1.32 {d3[]}, [r2], r3 |
| vext.8 d29, d29, d2, #4 |
| vext.8 d30, d30, d3, #4 |
| vld1.32 {d2[1]}, [r2], r3 |
| vmovl.u8 q14, d29 |
| vld1.32 {d3[1]}, [r2], r3 |
| vmovl.u8 q15, d30 |
| vmovl.u8 q5, d2 |
| vmovl.u8 q6, d3 |
| |
| convolve q1, q2, q9, q10, q11, q12, q13, q14, q15, q5, q6, \idx1, \idx2, q4, q3 |
| do_store4 q1, d2, q2, d4, d3, d5, \type |
| |
| 9: |
| vpop {q4-q7} |
| pop {r4-r5} |
| bx lr |
| endfunc |
| .endm |
| |
| do_8tap_4v put, 3, 4 |
| do_8tap_4v put, 4, 3 |
| do_8tap_4v avg, 3, 4 |
| do_8tap_4v avg, 4, 3 |
| |
| .macro do_8tap_v_func type, filter, offset, size |
| function ff_vp9_\type\()_\filter\()\size\()_v_neon, export=1 |
| push {r4-r5} |
| vpush {q4-q7} |
| ldr r4, [sp, #72] |
| movrelx r12, X(ff_vp9_subpel_filters), r5 |
| ldr r5, [sp, #80] |
| add r12, r12, 256*\offset |
| add r12, r12, r5, lsl #4 |
| cmp r5, #8 |
| mov r5, #\size |
| .if \size >= 8 |
| bge \type\()_8tap_8v_34 |
| b \type\()_8tap_8v_43 |
| .else |
| bge \type\()_8tap_4v_34 |
| b \type\()_8tap_4v_43 |
| .endif |
| endfunc |
| .endm |
| |
| .macro do_8tap_v_filters size |
| do_8tap_v_func put, regular, 1, \size |
| do_8tap_v_func avg, regular, 1, \size |
| do_8tap_v_func put, sharp, 2, \size |
| do_8tap_v_func avg, sharp, 2, \size |
| do_8tap_v_func put, smooth, 0, \size |
| do_8tap_v_func avg, smooth, 0, \size |
| .endm |
| |
| do_8tap_v_filters 64 |
| do_8tap_v_filters 32 |
| do_8tap_v_filters 16 |
| do_8tap_v_filters 8 |
| do_8tap_v_filters 4 |