| /* |
| * Copyright © 2018, VideoLAN and dav1d authors |
| * Copyright © 2020, Martin Storsjo |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "src/arm/asm.S" |
| #include "util.S" |
| #include "cdef_tmpl.S" |
| |
| .macro pad_top_bot_16 s1, s2, w, stride, reg, ret |
| tst w7, #1 // CDEF_HAVE_LEFT |
| b.eq 2f |
| // CDEF_HAVE_LEFT |
| sub \s1, \s1, #4 |
| sub \s2, \s2, #4 |
| tst w7, #2 // CDEF_HAVE_RIGHT |
| b.eq 1f |
| // CDEF_HAVE_LEFT+CDEF_HAVE_RIGHT |
| ldr \reg\()0, [\s1] |
| ldr d1, [\s1, #2*\w] |
| ldr \reg\()2, [\s2] |
| ldr d3, [\s2, #2*\w] |
| str \reg\()0, [x0] |
| str d1, [x0, #2*\w] |
| add x0, x0, #2*\stride |
| str \reg\()2, [x0] |
| str d3, [x0, #2*\w] |
| .if \ret |
| ret |
| .else |
| add x0, x0, #2*\stride |
| b 3f |
| .endif |
| |
| 1: |
| // CDEF_HAVE_LEFT+!CDEF_HAVE_RIGHT |
| ldr \reg\()0, [\s1] |
| ldr s1, [\s1, #2*\w] |
| ldr \reg\()2, [\s2] |
| ldr s3, [\s2, #2*\w] |
| str \reg\()0, [x0] |
| str s1, [x0, #2*\w] |
| str s31, [x0, #2*\w+4] |
| add x0, x0, #2*\stride |
| str \reg\()2, [x0] |
| str s3, [x0, #2*\w] |
| str s31, [x0, #2*\w+4] |
| .if \ret |
| ret |
| .else |
| add x0, x0, #2*\stride |
| b 3f |
| .endif |
| |
| 2: |
| // !CDEF_HAVE_LEFT |
| tst w7, #2 // CDEF_HAVE_RIGHT |
| b.eq 1f |
| // !CDEF_HAVE_LEFT+CDEF_HAVE_RIGHT |
| ldr \reg\()0, [\s1] |
| ldr s1, [\s1, #2*\w] |
| ldr \reg\()2, [\s2] |
| ldr s3, [\s2, #2*\w] |
| str s31, [x0] |
| stur \reg\()0, [x0, #4] |
| str s1, [x0, #4+2*\w] |
| add x0, x0, #2*\stride |
| str s31, [x0] |
| stur \reg\()2, [x0, #4] |
| str s3, [x0, #4+2*\w] |
| .if \ret |
| ret |
| .else |
| add x0, x0, #2*\stride |
| b 3f |
| .endif |
| |
| 1: |
| // !CDEF_HAVE_LEFT+!CDEF_HAVE_RIGHT |
| ldr \reg\()0, [\s1] |
| ldr \reg\()1, [\s2] |
| str s31, [x0] |
| stur \reg\()0, [x0, #4] |
| str s31, [x0, #4+2*\w] |
| add x0, x0, #2*\stride |
| str s31, [x0] |
| stur \reg\()1, [x0, #4] |
| str s31, [x0, #4+2*\w] |
| .if \ret |
| ret |
| .else |
| add x0, x0, #2*\stride |
| .endif |
| 3: |
| .endm |
| |
| .macro load_n_incr_16 dst, src, incr, w |
| .if \w == 4 |
| ld1 {\dst\().4h}, [\src], \incr |
| .else |
| ld1 {\dst\().8h}, [\src], \incr |
| .endif |
| .endm |
| |
| // void dav1d_cdef_paddingX_16bpc_neon(uint16_t *tmp, const pixel *src, |
| // ptrdiff_t src_stride, const pixel (*left)[2], |
| // const pixel *const top, |
| // const pixel *const bottom, int h, |
| // enum CdefEdgeFlags edges); |
| |
| .macro padding_func_16 w, stride, reg |
| function cdef_padding\w\()_16bpc_neon, export=1 |
| movi v30.8h, #0x80, lsl #8 |
| mov v31.16b, v30.16b |
| sub x0, x0, #2*(2*\stride+2) |
| tst w7, #4 // CDEF_HAVE_TOP |
| b.ne 1f |
| // !CDEF_HAVE_TOP |
| st1 {v30.8h, v31.8h}, [x0], #32 |
| .if \w == 8 |
| st1 {v30.8h, v31.8h}, [x0], #32 |
| .endif |
| b 3f |
| 1: |
| // CDEF_HAVE_TOP |
| add x9, x4, x2 |
| pad_top_bot_16 x4, x9, \w, \stride, \reg, 0 |
| |
| // Middle section |
| 3: |
| tst w7, #1 // CDEF_HAVE_LEFT |
| b.eq 2f |
| // CDEF_HAVE_LEFT |
| tst w7, #2 // CDEF_HAVE_RIGHT |
| b.eq 1f |
| // CDEF_HAVE_LEFT+CDEF_HAVE_RIGHT |
| 0: |
| ld1 {v0.s}[0], [x3], #4 |
| ldr s2, [x1, #2*\w] |
| load_n_incr_16 v1, x1, x2, \w |
| subs w6, w6, #1 |
| str s0, [x0] |
| stur \reg\()1, [x0, #4] |
| str s2, [x0, #4+2*\w] |
| add x0, x0, #2*\stride |
| b.gt 0b |
| b 3f |
| 1: |
| // CDEF_HAVE_LEFT+!CDEF_HAVE_RIGHT |
| ld1 {v0.s}[0], [x3], #4 |
| load_n_incr_16 v1, x1, x2, \w |
| subs w6, w6, #1 |
| str s0, [x0] |
| stur \reg\()1, [x0, #4] |
| str s31, [x0, #4+2*\w] |
| add x0, x0, #2*\stride |
| b.gt 1b |
| b 3f |
| 2: |
| tst w7, #2 // CDEF_HAVE_RIGHT |
| b.eq 1f |
| // !CDEF_HAVE_LEFT+CDEF_HAVE_RIGHT |
| 0: |
| ldr s1, [x1, #2*\w] |
| load_n_incr_16 v0, x1, x2, \w |
| subs w6, w6, #1 |
| str s31, [x0] |
| stur \reg\()0, [x0, #4] |
| str s1, [x0, #4+2*\w] |
| add x0, x0, #2*\stride |
| b.gt 0b |
| b 3f |
| 1: |
| // !CDEF_HAVE_LEFT+!CDEF_HAVE_RIGHT |
| load_n_incr_16 v0, x1, x2, \w |
| subs w6, w6, #1 |
| str s31, [x0] |
| stur \reg\()0, [x0, #4] |
| str s31, [x0, #4+2*\w] |
| add x0, x0, #2*\stride |
| b.gt 1b |
| |
| 3: |
| tst w7, #8 // CDEF_HAVE_BOTTOM |
| b.ne 1f |
| // !CDEF_HAVE_BOTTOM |
| st1 {v30.8h, v31.8h}, [x0], #32 |
| .if \w == 8 |
| st1 {v30.8h, v31.8h}, [x0], #32 |
| .endif |
| ret |
| 1: |
| // CDEF_HAVE_BOTTOM |
| add x9, x5, x2 |
| pad_top_bot_16 x5, x9, \w, \stride, \reg, 1 |
| endfunc |
| .endm |
| |
| padding_func_16 8, 16, q |
| padding_func_16 4, 8, d |
| |
| tables |
| |
| filter 8, 16 |
| filter 4, 16 |
| |
| find_dir 16 |
