diff options
Diffstat (limited to 'third_party/dav1d/src/arm/64/cdef16.S')
| -rw-r--r-- | third_party/dav1d/src/arm/64/cdef16.S | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/third_party/dav1d/src/arm/64/cdef16.S b/third_party/dav1d/src/arm/64/cdef16.S new file mode 100644 index 0000000000..ecf864a26d --- /dev/null +++ b/third_party/dav1d/src/arm/64/cdef16.S @@ -0,0 +1,229 @@ +/* + * 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 |