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631 lines
24 KiB
631 lines
24 KiB
/* |
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* Copyright (c) 2017 Google Inc. |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/aarch64/asm.S" |
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// All public functions in this file have the following signature: |
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// typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride, |
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// const uint8_t *ref, ptrdiff_t ref_stride, |
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// int h, int mx, int my); |
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function ff_vp9_copy128_aarch64, export=1 |
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1: |
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ldp x5, x6, [x2] |
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ldp x7, x8, [x2, #16] |
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stp x5, x6, [x0] |
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ldp x9, x10, [x2, #32] |
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stp x7, x8, [x0, #16] |
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subs w4, w4, #1 |
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ldp x11, x12, [x2, #48] |
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stp x9, x10, [x0, #32] |
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stp x11, x12, [x0, #48] |
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ldp x5, x6, [x2, #64] |
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ldp x7, x8, [x2, #80] |
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stp x5, x6, [x0, #64] |
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ldp x9, x10, [x2, #96] |
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stp x7, x8, [x0, #80] |
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ldp x11, x12, [x2, #112] |
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stp x9, x10, [x0, #96] |
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stp x11, x12, [x0, #112] |
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add x2, x2, x3 |
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add x0, x0, x1 |
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b.ne 1b |
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ret |
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endfunc |
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function ff_vp9_avg64_16_neon, export=1 |
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mov x5, x0 |
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sub x1, x1, #64 |
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sub x3, x3, #64 |
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1: |
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ld1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x2], #64 |
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ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], #64 |
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ld1 {v20.8h, v21.8h, v22.8h, v23.8h}, [x2], x3 |
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urhadd v0.8h, v0.8h, v4.8h |
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urhadd v1.8h, v1.8h, v5.8h |
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ld1 {v16.8h, v17.8h, v18.8h, v19.8h}, [x0], x1 |
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urhadd v2.8h, v2.8h, v6.8h |
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urhadd v3.8h, v3.8h, v7.8h |
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subs w4, w4, #1 |
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urhadd v16.8h, v16.8h, v20.8h |
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urhadd v17.8h, v17.8h, v21.8h |
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st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x5], #64 |
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urhadd v18.8h, v18.8h, v22.8h |
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urhadd v19.8h, v19.8h, v23.8h |
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st1 {v16.8h, v17.8h, v18.8h, v19.8h}, [x5], x1 |
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b.ne 1b |
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ret |
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endfunc |
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function ff_vp9_avg32_16_neon, export=1 |
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mov x5, x0 |
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1: |
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ld1 {v4.8h, v5.8h, v6.8h, v7.8h}, [x2], x3 |
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ld1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x0], x1 |
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ld1 {v20.8h, v21.8h, v22.8h, v23.8h}, [x2], x3 |
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urhadd v0.8h, v0.8h, v4.8h |
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urhadd v1.8h, v1.8h, v5.8h |
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ld1 {v16.8h, v17.8h, v18.8h, v19.8h}, [x0], x1 |
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urhadd v2.8h, v2.8h, v6.8h |
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urhadd v3.8h, v3.8h, v7.8h |
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subs w4, w4, #2 |
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urhadd v16.8h, v16.8h, v20.8h |
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urhadd v17.8h, v17.8h, v21.8h |
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st1 {v0.8h, v1.8h, v2.8h, v3.8h}, [x5], x1 |
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urhadd v18.8h, v18.8h, v22.8h |
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urhadd v19.8h, v19.8h, v23.8h |
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st1 {v16.8h, v17.8h, v18.8h, v19.8h}, [x5], x1 |
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b.ne 1b |
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ret |
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endfunc |
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function ff_vp9_avg16_16_neon, export=1 |
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1: |
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ld1 {v2.8h, v3.8h}, [x2], x3 |
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ld1 {v0.8h, v1.8h}, [x0] |
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urhadd v0.8h, v0.8h, v2.8h |
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urhadd v1.8h, v1.8h, v3.8h |
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subs w4, w4, #1 |
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st1 {v0.8h, v1.8h}, [x0], x1 |
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b.ne 1b |
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ret |
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endfunc |
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function ff_vp9_avg8_16_neon, export=1 |
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mov x5, x0 |
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1: |
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ld1 {v2.8h}, [x2], x3 |
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ld1 {v0.8h}, [x0], x1 |
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ld1 {v3.8h}, [x2], x3 |
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urhadd v0.8h, v0.8h, v2.8h |
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ld1 {v1.8h}, [x0], x1 |
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urhadd v1.8h, v1.8h, v3.8h |
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subs w4, w4, #2 |
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st1 {v0.8h}, [x5], x1 |
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st1 {v1.8h}, [x5], x1 |
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b.ne 1b |
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ret |
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endfunc |
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function ff_vp9_avg4_16_neon, export=1 |
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mov x5, x0 |
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1: |
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ld1 {v2.4h}, [x2], x3 |
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ld1 {v0.4h}, [x0], x1 |
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ld1 {v3.4h}, [x2], x3 |
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urhadd v0.4h, v0.4h, v2.4h |
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ld1 {v1.4h}, [x0], x1 |
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urhadd v1.4h, v1.4h, v3.4h |
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subs w4, w4, #2 |
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st1 {v0.4h}, [x5], x1 |
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st1 {v1.8b}, [x5], x1 |
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b.ne 1b |
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ret |
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endfunc |
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// Extract a vector from src1-src2 and src4-src5 (src1-src3 and src4-src6 |
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// for size >= 16), and multiply-accumulate into dst1 and dst5 (or |
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// dst1-dst2 and dst5-dst6 for size >= 8 and dst1-dst4 and dst5-dst8 |
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// for size >= 16) |
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.macro extmlal dst1, dst2, dst3, dst4, dst5, dst6, dst7, dst8, src1, src2, src3, src4, src5, src6, offset, size |
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ext v20.16b, \src1\().16b, \src2\().16b, #(2*\offset) |
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ext v22.16b, \src4\().16b, \src5\().16b, #(2*\offset) |
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smlal \dst1\().4s, v20.4h, v0.h[\offset] |
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smlal \dst5\().4s, v22.4h, v0.h[\offset] |
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.if \size >= 16 |
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ext v21.16b, \src2\().16b, \src3\().16b, #(2*\offset) |
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ext v23.16b, \src5\().16b, \src6\().16b, #(2*\offset) |
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.endif |
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.if \size >= 8 |
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smlal2 \dst2\().4s, v20.8h, v0.h[\offset] |
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smlal2 \dst6\().4s, v22.8h, v0.h[\offset] |
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.endif |
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.if \size >= 16 |
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smlal \dst3\().4s, v21.4h, v0.h[\offset] |
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smlal \dst7\().4s, v23.4h, v0.h[\offset] |
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smlal2 \dst4\().4s, v21.8h, v0.h[\offset] |
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smlal2 \dst8\().4s, v23.8h, v0.h[\offset] |
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.endif |
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.endm |
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// Instantiate a horizontal filter function for the given size. |
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// This can work on 4, 8 or 16 pixels in parallel; for larger |
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// widths it will do 16 pixels at a time and loop horizontally. |
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// The actual width (in bytes) is passed in x5, the height in w4 and |
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// the filter coefficients in x9. |
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.macro do_8tap_h type, size |
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function \type\()_8tap_\size\()h |
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sub x2, x2, #6 |
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add x6, x0, x1 |
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add x7, x2, x3 |
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add x1, x1, x1 |
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add x3, x3, x3 |
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// Only size >= 16 loops horizontally and needs |
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// reduced dst stride |
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.if \size >= 16 |
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sub x1, x1, x5 |
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.endif |
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// size >= 16 loads two qwords and increments r2, |
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// for size 4/8 it's enough with one qword and no |
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// postincrement |
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.if \size >= 16 |
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sub x3, x3, x5 |
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sub x3, x3, #16 |
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.endif |
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// Load the filter vector |
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ld1 {v0.8h}, [x9] |
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1: |
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.if \size >= 16 |
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mov x9, x5 |
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.endif |
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// Load src |
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.if \size >= 16 |
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ld1 {v5.8h, v6.8h, v7.8h}, [x2], #48 |
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ld1 {v16.8h, v17.8h, v18.8h}, [x7], #48 |
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.else |
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ld1 {v5.8h, v6.8h}, [x2] |
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ld1 {v16.8h, v17.8h}, [x7] |
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.endif |
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2: |
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smull v1.4s, v5.4h, v0.h[0] |
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smull v24.4s, v16.4h, v0.h[0] |
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.if \size >= 8 |
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smull2 v2.4s, v5.8h, v0.h[0] |
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smull2 v25.4s, v16.8h, v0.h[0] |
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.endif |
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.if \size >= 16 |
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smull v3.4s, v6.4h, v0.h[0] |
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smull v26.4s, v17.4h, v0.h[0] |
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smull2 v4.4s, v6.8h, v0.h[0] |
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smull2 v27.4s, v17.8h, v0.h[0] |
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.endif |
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extmlal v1, v2, v3, v4, v24, v25, v26, v27, v5, v6, v7, v16, v17, v18, 1, \size |
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extmlal v1, v2, v3, v4, v24, v25, v26, v27, v5, v6, v7, v16, v17, v18, 2, \size |
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extmlal v1, v2, v3, v4, v24, v25, v26, v27, v5, v6, v7, v16, v17, v18, 3, \size |
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extmlal v1, v2, v3, v4, v24, v25, v26, v27, v5, v6, v7, v16, v17, v18, 4, \size |
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extmlal v1, v2, v3, v4, v24, v25, v26, v27, v5, v6, v7, v16, v17, v18, 5, \size |
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extmlal v1, v2, v3, v4, v24, v25, v26, v27, v5, v6, v7, v16, v17, v18, 6, \size |
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extmlal v1, v2, v3, v4, v24, v25, v26, v27, v5, v6, v7, v16, v17, v18, 7, \size |
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// Round, shift and saturate |
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// The sqrshrun takes care of clamping negative values to zero, but |
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// we manually need to do umin with the max pixel value. |
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sqrshrun v1.4h, v1.4s, #7 |
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sqrshrun v24.4h, v24.4s, #7 |
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.if \size >= 8 |
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sqrshrun2 v1.8h, v2.4s, #7 |
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sqrshrun2 v24.8h, v25.4s, #7 |
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umin v1.8h, v1.8h, v31.8h |
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umin v24.8h, v24.8h, v31.8h |
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.if \size >= 16 |
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sqrshrun v2.4h, v3.4s, #7 |
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sqrshrun v25.4h, v26.4s, #7 |
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sqrshrun2 v2.8h, v4.4s, #7 |
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sqrshrun2 v25.8h, v27.4s, #7 |
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umin v2.8h, v2.8h, v31.8h |
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umin v25.8h, v25.8h, v31.8h |
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.endif |
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.else |
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umin v1.4h, v1.4h, v31.4h |
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umin v24.4h, v24.4h, v31.4h |
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.endif |
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// Average |
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.ifc \type,avg |
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.if \size >= 16 |
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ld1 {v3.8h, v4.8h}, [x0] |
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ld1 {v29.8h, v30.8h}, [x6] |
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urhadd v1.8h, v1.8h, v3.8h |
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urhadd v2.8h, v2.8h, v4.8h |
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urhadd v24.8h, v24.8h, v29.8h |
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urhadd v25.8h, v25.8h, v30.8h |
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.elseif \size >= 8 |
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ld1 {v3.8h}, [x0] |
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ld1 {v4.8h}, [x6] |
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urhadd v1.8h, v1.8h, v3.8h |
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urhadd v24.8h, v24.8h, v4.8h |
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.else |
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ld1 {v3.4h}, [x0] |
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ld1 {v4.4h}, [x6] |
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urhadd v1.4h, v1.4h, v3.4h |
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urhadd v24.4h, v24.4h, v4.4h |
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.endif |
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.endif |
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// Store and loop horizontally (for size >= 16) |
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.if \size >= 16 |
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subs x9, x9, #32 |
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st1 {v1.8h, v2.8h}, [x0], #32 |
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st1 {v24.8h, v25.8h}, [x6], #32 |
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b.eq 3f |
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mov v5.16b, v7.16b |
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mov v16.16b, v18.16b |
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ld1 {v6.8h, v7.8h}, [x2], #32 |
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ld1 {v17.8h, v18.8h}, [x7], #32 |
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b 2b |
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.elseif \size == 8 |
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st1 {v1.8h}, [x0] |
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st1 {v24.8h}, [x6] |
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.else // \size == 4 |
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st1 {v1.4h}, [x0] |
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st1 {v24.4h}, [x6] |
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.endif |
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3: |
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// Loop vertically |
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add x0, x0, x1 |
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add x6, x6, x1 |
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add x2, x2, x3 |
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add x7, x7, x3 |
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subs w4, w4, #2 |
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b.ne 1b |
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ret |
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endfunc |
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.endm |
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.macro do_8tap_h_size size |
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do_8tap_h put, \size |
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do_8tap_h avg, \size |
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.endm |
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do_8tap_h_size 4 |
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do_8tap_h_size 8 |
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do_8tap_h_size 16 |
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.macro do_8tap_h_func type, filter, offset, size, bpp |
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function ff_vp9_\type\()_\filter\()\size\()_h_\bpp\()_neon, export=1 |
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mvni v31.8h, #((0xff << (\bpp - 8)) & 0xff), lsl #8 |
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movrel x6, X(ff_vp9_subpel_filters), 256*\offset |
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cmp w5, #8 |
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add x9, x6, w5, uxtw #4 |
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mov x5, #2*\size |
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.if \size >= 16 |
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b \type\()_8tap_16h |
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.else |
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b \type\()_8tap_\size\()h |
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.endif |
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endfunc |
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.endm |
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.macro do_8tap_h_filters size, bpp |
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do_8tap_h_func put, regular, 1, \size, \bpp |
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do_8tap_h_func avg, regular, 1, \size, \bpp |
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do_8tap_h_func put, sharp, 2, \size, \bpp |
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do_8tap_h_func avg, sharp, 2, \size, \bpp |
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do_8tap_h_func put, smooth, 0, \size, \bpp |
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do_8tap_h_func avg, smooth, 0, \size, \bpp |
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.endm |
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.macro do_8tap_h_filters_bpp bpp |
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do_8tap_h_filters 64, \bpp |
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do_8tap_h_filters 32, \bpp |
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do_8tap_h_filters 16, \bpp |
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do_8tap_h_filters 8, \bpp |
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do_8tap_h_filters 4, \bpp |
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.endm |
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do_8tap_h_filters_bpp 10 |
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do_8tap_h_filters_bpp 12 |
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// Vertical filters |
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// Round, shift and saturate and store reg1-reg4 |
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.macro do_store4 reg1, reg2, reg3, reg4, tmp1, tmp2, tmp3, tmp4, minreg, type |
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sqrshrun \reg1\().4h, \reg1\().4s, #7 |
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sqrshrun \reg2\().4h, \reg2\().4s, #7 |
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sqrshrun \reg3\().4h, \reg3\().4s, #7 |
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sqrshrun \reg4\().4h, \reg4\().4s, #7 |
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.ifc \type,avg |
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ld1 {\tmp1\().4h}, [x7], x1 |
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ld1 {\tmp2\().4h}, [x7], x1 |
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ld1 {\tmp3\().4h}, [x7], x1 |
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ld1 {\tmp4\().4h}, [x7], x1 |
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.endif |
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umin \reg1\().4h, \reg1\().4h, \minreg\().4h |
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umin \reg2\().4h, \reg2\().4h, \minreg\().4h |
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umin \reg3\().4h, \reg3\().4h, \minreg\().4h |
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umin \reg4\().4h, \reg4\().4h, \minreg\().4h |
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.ifc \type,avg |
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urhadd \reg1\().4h, \reg1\().4h, \tmp1\().4h |
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urhadd \reg2\().4h, \reg2\().4h, \tmp2\().4h |
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urhadd \reg3\().4h, \reg3\().4h, \tmp3\().4h |
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urhadd \reg4\().4h, \reg4\().4h, \tmp4\().4h |
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.endif |
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st1 {\reg1\().4h}, [x0], x1 |
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st1 {\reg2\().4h}, [x0], x1 |
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st1 {\reg3\().4h}, [x0], x1 |
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st1 {\reg4\().4h}, [x0], x1 |
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.endm |
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// Round, shift and saturate and store reg1-8, where |
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// reg1-2, reg3-4 etc pairwise correspond to 4 rows. |
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.macro do_store8 reg1, reg2, reg3, reg4, reg5, reg6, reg7, reg8, minreg, type |
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sqrshrun \reg1\().4h, \reg1\().4s, #7 |
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sqrshrun2 \reg1\().8h, \reg2\().4s, #7 |
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sqrshrun \reg2\().4h, \reg3\().4s, #7 |
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sqrshrun2 \reg2\().8h, \reg4\().4s, #7 |
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sqrshrun \reg3\().4h, \reg5\().4s, #7 |
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sqrshrun2 \reg3\().8h, \reg6\().4s, #7 |
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sqrshrun \reg4\().4h, \reg7\().4s, #7 |
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sqrshrun2 \reg4\().8h, \reg8\().4s, #7 |
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.ifc \type,avg |
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ld1 {\reg5\().8h}, [x7], x1 |
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ld1 {\reg6\().8h}, [x7], x1 |
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ld1 {\reg7\().8h}, [x7], x1 |
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ld1 {\reg8\().8h}, [x7], x1 |
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.endif |
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umin \reg1\().8h, \reg1\().8h, \minreg\().8h |
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umin \reg2\().8h, \reg2\().8h, \minreg\().8h |
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umin \reg3\().8h, \reg3\().8h, \minreg\().8h |
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umin \reg4\().8h, \reg4\().8h, \minreg\().8h |
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.ifc \type,avg |
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urhadd \reg1\().8h, \reg1\().8h, \reg5\().8h |
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urhadd \reg2\().8h, \reg2\().8h, \reg6\().8h |
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urhadd \reg3\().8h, \reg3\().8h, \reg7\().8h |
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urhadd \reg4\().8h, \reg4\().8h, \reg8\().8h |
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.endif |
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st1 {\reg1\().8h}, [x0], x1 |
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st1 {\reg2\().8h}, [x0], x1 |
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st1 {\reg3\().8h}, [x0], x1 |
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st1 {\reg4\().8h}, [x0], x1 |
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.endm |
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// Evaluate the filter twice in parallel, from the inputs src1-src9 into dst1-dst2 |
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// (src1-src8 into dst1, src2-src9 into dst2). |
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.macro convolve4 dst1, dst2, src1, src2, src3, src4, src5, src6, src7, src8, src9, tmp1, tmp2 |
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smull \dst1\().4s, \src1\().4h, v0.h[0] |
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smull \dst2\().4s, \src2\().4h, v0.h[0] |
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smull \tmp1\().4s, \src2\().4h, v0.h[1] |
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smull \tmp2\().4s, \src3\().4h, v0.h[1] |
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smlal \dst1\().4s, \src3\().4h, v0.h[2] |
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smlal \dst2\().4s, \src4\().4h, v0.h[2] |
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smlal \tmp1\().4s, \src4\().4h, v0.h[3] |
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smlal \tmp2\().4s, \src5\().4h, v0.h[3] |
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smlal \dst1\().4s, \src5\().4h, v0.h[4] |
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smlal \dst2\().4s, \src6\().4h, v0.h[4] |
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smlal \tmp1\().4s, \src6\().4h, v0.h[5] |
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smlal \tmp2\().4s, \src7\().4h, v0.h[5] |
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smlal \dst1\().4s, \src7\().4h, v0.h[6] |
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smlal \dst2\().4s, \src8\().4h, v0.h[6] |
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smlal \tmp1\().4s, \src8\().4h, v0.h[7] |
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smlal \tmp2\().4s, \src9\().4h, v0.h[7] |
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add \dst1\().4s, \dst1\().4s, \tmp1\().4s |
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add \dst2\().4s, \dst2\().4s, \tmp2\().4s |
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.endm |
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|
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// Evaluate the filter twice in parallel, from the inputs src1-src9 into dst1-dst4 |
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// (src1-src8 into dst1-dst2, src2-src9 into dst3-dst4). |
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.macro convolve8 dst1, dst2, dst3, dst4, src1, src2, src3, src4, src5, src6, src7, src8, src9 |
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smull \dst1\().4s, \src1\().4h, v0.h[0] |
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smull2 \dst2\().4s, \src1\().8h, v0.h[0] |
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smull \dst3\().4s, \src2\().4h, v0.h[0] |
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smull2 \dst4\().4s, \src2\().8h, v0.h[0] |
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smlal \dst1\().4s, \src2\().4h, v0.h[1] |
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smlal2 \dst2\().4s, \src2\().8h, v0.h[1] |
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smlal \dst3\().4s, \src3\().4h, v0.h[1] |
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smlal2 \dst4\().4s, \src3\().8h, v0.h[1] |
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smlal \dst1\().4s, \src3\().4h, v0.h[2] |
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smlal2 \dst2\().4s, \src3\().8h, v0.h[2] |
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smlal \dst3\().4s, \src4\().4h, v0.h[2] |
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smlal2 \dst4\().4s, \src4\().8h, v0.h[2] |
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smlal \dst1\().4s, \src4\().4h, v0.h[3] |
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smlal2 \dst2\().4s, \src4\().8h, v0.h[3] |
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smlal \dst3\().4s, \src5\().4h, v0.h[3] |
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smlal2 \dst4\().4s, \src5\().8h, v0.h[3] |
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smlal \dst1\().4s, \src5\().4h, v0.h[4] |
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smlal2 \dst2\().4s, \src5\().8h, v0.h[4] |
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smlal \dst3\().4s, \src6\().4h, v0.h[4] |
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smlal2 \dst4\().4s, \src6\().8h, v0.h[4] |
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smlal \dst1\().4s, \src6\().4h, v0.h[5] |
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smlal2 \dst2\().4s, \src6\().8h, v0.h[5] |
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smlal \dst3\().4s, \src7\().4h, v0.h[5] |
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smlal2 \dst4\().4s, \src7\().8h, v0.h[5] |
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smlal \dst1\().4s, \src7\().4h, v0.h[6] |
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smlal2 \dst2\().4s, \src7\().8h, v0.h[6] |
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smlal \dst3\().4s, \src8\().4h, v0.h[6] |
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smlal2 \dst4\().4s, \src8\().8h, v0.h[6] |
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smlal \dst1\().4s, \src8\().4h, v0.h[7] |
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smlal2 \dst2\().4s, \src8\().8h, v0.h[7] |
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smlal \dst3\().4s, \src9\().4h, v0.h[7] |
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smlal2 \dst4\().4s, \src9\().8h, v0.h[7] |
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.endm |
|
|
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// Instantiate a vertical filter function for filtering 8 pixels at a time. |
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// The height is passed in x4, the width in x5 and the filter coefficients |
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// in x6. |
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.macro do_8tap_8v type |
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function \type\()_8tap_8v |
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sub x2, x2, x3, lsl #1 |
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sub x2, x2, x3 |
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ld1 {v0.8h}, [x6] |
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1: |
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.ifc \type,avg |
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mov x7, x0 |
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.endif |
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mov x6, x4 |
|
|
|
ld1 {v17.8h}, [x2], x3 |
|
ld1 {v18.8h}, [x2], x3 |
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ld1 {v19.8h}, [x2], x3 |
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ld1 {v20.8h}, [x2], x3 |
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ld1 {v21.8h}, [x2], x3 |
|
ld1 {v22.8h}, [x2], x3 |
|
ld1 {v23.8h}, [x2], x3 |
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2: |
|
ld1 {v24.8h}, [x2], x3 |
|
ld1 {v25.8h}, [x2], x3 |
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ld1 {v26.8h}, [x2], x3 |
|
ld1 {v27.8h}, [x2], x3 |
|
|
|
convolve8 v2, v3, v4, v5, v17, v18, v19, v20, v21, v22, v23, v24, v25 |
|
convolve8 v6, v7, v30, v31, v19, v20, v21, v22, v23, v24, v25, v26, v27 |
|
do_store8 v2, v3, v4, v5, v6, v7, v30, v31, v1, \type |
|
|
|
subs x6, x6, #4 |
|
b.eq 8f |
|
|
|
ld1 {v16.8h}, [x2], x3 |
|
ld1 {v17.8h}, [x2], x3 |
|
ld1 {v18.8h}, [x2], x3 |
|
ld1 {v19.8h}, [x2], x3 |
|
convolve8 v2, v3, v4, v5, v21, v22, v23, v24, v25, v26, v27, v16, v17 |
|
convolve8 v6, v7, v20, v21, v23, v24, v25, v26, v27, v16, v17, v18, v19 |
|
do_store8 v2, v3, v4, v5, v6, v7, v20, v21, v1, \type |
|
|
|
subs x6, x6, #4 |
|
b.eq 8f |
|
|
|
ld1 {v20.8h}, [x2], x3 |
|
ld1 {v21.8h}, [x2], x3 |
|
ld1 {v22.8h}, [x2], x3 |
|
ld1 {v23.8h}, [x2], x3 |
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convolve8 v2, v3, v4, v5, v25, v26, v27, v16, v17, v18, v19, v20, v21 |
|
convolve8 v6, v7, v24, v25, v27, v16, v17, v18, v19, v20, v21, v22, v23 |
|
do_store8 v2, v3, v4, v5, v6, v7, v24, v25, v1, \type |
|
|
|
subs x6, x6, #4 |
|
b.ne 2b |
|
|
|
8: |
|
subs x5, x5, #8 |
|
b.eq 9f |
|
// x0 -= h * dst_stride |
|
msub x0, x1, x4, x0 |
|
// x2 -= h * src_stride |
|
msub x2, x3, x4, x2 |
|
// x2 -= 8 * src_stride |
|
sub x2, x2, x3, lsl #3 |
|
// x2 += 1 * src_stride |
|
add x2, x2, x3 |
|
add x2, x2, #16 |
|
add x0, x0, #16 |
|
b 1b |
|
9: |
|
ret |
|
endfunc |
|
.endm |
|
|
|
do_8tap_8v put |
|
do_8tap_8v avg |
|
|
|
|
|
// Instantiate a vertical filter function for filtering a 4 pixels wide |
|
// slice. This only is designed to work for 4 or 8 output lines. |
|
.macro do_8tap_4v type |
|
function \type\()_8tap_4v |
|
sub x2, x2, x3, lsl #1 |
|
sub x2, x2, x3 |
|
ld1 {v0.8h}, [x6] |
|
.ifc \type,avg |
|
mov x7, x0 |
|
.endif |
|
|
|
ld1 {v16.4h}, [x2], x3 |
|
ld1 {v17.4h}, [x2], x3 |
|
ld1 {v18.4h}, [x2], x3 |
|
ld1 {v19.4h}, [x2], x3 |
|
ld1 {v20.4h}, [x2], x3 |
|
ld1 {v21.4h}, [x2], x3 |
|
ld1 {v22.4h}, [x2], x3 |
|
ld1 {v23.4h}, [x2], x3 |
|
ld1 {v24.4h}, [x2], x3 |
|
ld1 {v25.4h}, [x2], x3 |
|
ld1 {v26.4h}, [x2], x3 |
|
|
|
convolve4 v2, v3, v16, v17, v18, v19, v20, v21, v22, v23, v24, v30, v31 |
|
convolve4 v4, v5, v18, v19, v20, v21, v22, v23, v24, v25, v26, v30, v31 |
|
do_store4 v2, v3, v4, v5, v28, v29, v30, v31, v1, \type |
|
|
|
subs x4, x4, #4 |
|
b.eq 9f |
|
|
|
ld1 {v27.4h}, [x2], x3 |
|
ld1 {v28.4h}, [x2], x3 |
|
ld1 {v29.4h}, [x2], x3 |
|
ld1 {v30.4h}, [x2], x3 |
|
|
|
convolve4 v2, v3, v20, v21, v22, v23, v24, v25, v26, v27, v28, v16, v17 |
|
convolve4 v4, v5, v22, v23, v24, v25, v26, v27, v28, v29, v30, v16, v17 |
|
do_store4 v2, v3, v4, v5, v16, v17, v18, v19, v1, \type |
|
|
|
9: |
|
ret |
|
endfunc |
|
.endm |
|
|
|
do_8tap_4v put |
|
do_8tap_4v avg |
|
|
|
|
|
.macro do_8tap_v_func type, filter, offset, size, bpp |
|
function ff_vp9_\type\()_\filter\()\size\()_v_\bpp\()_neon, export=1 |
|
uxtw x4, w4 |
|
mvni v1.8h, #((0xff << (\bpp - 8)) & 0xff), lsl #8 |
|
movrel x5, X(ff_vp9_subpel_filters), 256*\offset |
|
add x6, x5, w6, uxtw #4 |
|
mov x5, #\size |
|
.if \size >= 8 |
|
b \type\()_8tap_8v |
|
.else |
|
b \type\()_8tap_4v |
|
.endif |
|
endfunc |
|
.endm |
|
|
|
.macro do_8tap_v_filters size, bpp |
|
do_8tap_v_func put, regular, 1, \size, \bpp |
|
do_8tap_v_func avg, regular, 1, \size, \bpp |
|
do_8tap_v_func put, sharp, 2, \size, \bpp |
|
do_8tap_v_func avg, sharp, 2, \size, \bpp |
|
do_8tap_v_func put, smooth, 0, \size, \bpp |
|
do_8tap_v_func avg, smooth, 0, \size, \bpp |
|
.endm |
|
|
|
.macro do_8tap_v_filters_bpp bpp |
|
do_8tap_v_filters 64, \bpp |
|
do_8tap_v_filters 32, \bpp |
|
do_8tap_v_filters 16, \bpp |
|
do_8tap_v_filters 8, \bpp |
|
do_8tap_v_filters 4, \bpp |
|
.endm |
|
|
|
do_8tap_v_filters_bpp 10 |
|
do_8tap_v_filters_bpp 12
|
|
|