ref: 2c09aaa4d7e0f96ca5a4cdefb6a04d0cf7e0bf4b
dir: /src/x86/looprestoration.asm/
; Copyright © 2018, VideoLAN and dav1d authors
; Copyright © 2018, Two Orioles, LLC
; 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 "config.asm"
%include "ext/x86/x86inc.asm"
%if ARCH_X86_64
SECTION_RODATA 32
pb_right_ext_mask: times 32 db 0xff
times 32 db 0
pb_14x0_1_2: times 14 db 0
db 1, 2
pb_0_to_15_min_n: db 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 13, 13
db 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 14
pb_15: times 16 db 15
pw_16: times 2 dw 16
pw_256: times 2 dw 256
pw_2048: times 2 dw 2048
pw_16380: times 2 dw 16380
pw_0_128: dw 0, 128
pw_5_6: dw 5, 6
pd_6: dd 6
pd_1024: dd 1024
pd_0xf0080029: dd 0xf0080029
pd_0xf00801c7: dd 0xf00801c7
cextern sgr_x_by_x
SECTION .text
INIT_YMM avx2
cglobal wiener_filter_h, 5, 12, 16, dst, left, src, stride, fh, w, h, edge
mov edged, edgem
vpbroadcastb m15, [fhq+0]
movifnidn wd, wm
vpbroadcastb m14, [fhq+2]
mov hd, hm
vpbroadcastb m13, [fhq+4]
vpbroadcastw m12, [fhq+6]
vpbroadcastd m11, [pw_2048]
vpbroadcastd m10, [pw_16380]
lea r11, [pb_right_ext_mask]
DEFINE_ARGS dst, left, src, stride, x, w, h, edge, srcptr, dstptr, xlim
; if (edge & has_right) align_w_to_32
; else w -= 32, and use that as limit in x loop
test edgeb, 2 ; has_right
jnz .align
mov xlimq, -3
jmp .loop
.align:
add wd, 31
and wd, ~31
xor xlimd, xlimd
; main y loop for vertical filter
.loop:
mov srcptrq, srcq
mov dstptrq, dstq
lea xq, [wq+xlimq]
; load left edge pixels
test edgeb, 1 ; have_left
jz .emu_left
test leftq, leftq ; left == NULL for the edge-extended bottom/top
jz .load_left_combined
movd xm0, [leftq]
add leftq, 4
pinsrd xm0, [srcq], 1
pslldq xm0, 9
jmp .left_load_done
.load_left_combined:
movq xm0, [srcq-3]
pslldq xm0, 10
jmp .left_load_done
.emu_left:
movd xm0, [srcq]
pshufb xm0, [pb_14x0_1_2]
; load right edge pixels
.left_load_done:
cmp xd, 32
jg .main_load
test xd, xd
jg .load_and_splat
je .splat_right
; for very small images (w=[1-2]), edge-extend the original cache,
; ugly, but only runs in very odd cases
add wd, wd
pshufb xm0, [r11-pb_right_ext_mask+pb_0_to_15_min_n+wq*8-16]
shr wd, 1
; main x loop, mostly this starts in .main_load
.splat_right:
; no need to load new pixels, just extend them from the (possibly previously
; extended) previous load into m0
pshufb xm1, xm0, [pb_15]
jmp .main_loop
.load_and_splat:
; load new pixels and extend edge for right-most
movu m1, [srcptrq+3]
sub r11, xq
movu m2, [r11-pb_right_ext_mask+pb_right_ext_mask+32]
add r11, xq
vpbroadcastb m3, [srcptrq+2+xq]
pand m1, m2
pandn m3, m2, m3
por m1, m3
jmp .main_loop
.main_load:
; load subsequent line
movu m1, [srcptrq+3]
.main_loop:
vinserti128 m0, xm1, 1
palignr m2, m1, m0, 10
palignr m3, m1, m0, 11
palignr m4, m1, m0, 12
palignr m5, m1, m0, 13
palignr m6, m1, m0, 14
palignr m7, m1, m0, 15
punpcklbw m0, m2, m1
punpckhbw m2, m1
punpcklbw m8, m3, m7
punpckhbw m3, m7
punpcklbw m7, m4, m6
punpckhbw m4, m6
pxor m9, m9
punpcklbw m6, m5, m9
punpckhbw m5, m9
pmaddubsw m0, m15
pmaddubsw m2, m15
pmaddubsw m8, m14
pmaddubsw m3, m14
pmaddubsw m7, m13
pmaddubsw m4, m13
paddw m0, m8
paddw m2, m3
psllw m8, m6, 7
psllw m3, m5, 7
psubw m8, m10
psubw m3, m10
pmullw m6, m12
pmullw m5, m12
paddw m0, m7
paddw m2, m4
paddw m0, m6
paddw m2, m5
; for a signed overflow to happen we need filter and pixels as follow:
; filter => -5,-23,-17,90,-17,-23,-5
; pixels => 255,255,255,0,255,255,255 or 0,0,0,255,0,0,0
; m0 would fall in the range [-59A6;+59A6] = [A65A;59A6]
; m8 would fall in the range [-3FFC;+3F84] = [C004;3F84]
; 32-bit arithmetic m0+m8 = [-99A2;+992A] = [FFFF665E;992A]
; => signed 16-bit overflow occurs
paddsw m0, m8 ; paddsw clips this range to [-8000;+7FFF]
paddsw m2, m3
psraw m0, 3 ; shift changes the range to [-1000;+FFF]
psraw m2, 3
paddw m0, m11 ; adding back 800 (removed in m8) changes the
paddw m2, m11 ; range to [-800;+17FF] as defined in the spec
mova [dstptrq], xm0 ; (note that adding another 800 would give us
mova [dstptrq+16], xm2; the same range as in the C code => [0;1FFF])
vextracti128 [dstptrq+32], m0, 1
vextracti128 [dstptrq+48], m2, 1
vextracti128 xm0, m1, 1
add srcptrq, 32
add dstptrq, 64
sub xq, 32
cmp xd, 32
jg .main_load
test xd, xd
jg .load_and_splat
cmp xd, xlimd
jg .splat_right
add srcq, strideq
add dstq, 384*2
dec hd
jg .loop
RET
cglobal wiener_filter_v, 4, 10, 13, dst, stride, mid, w, h, fv, edge
movifnidn fvq, fvmp
mov edged, edgem
movifnidn hd, hm
vpbroadcastd m10, [fvq]
vpbroadcastd m11, [fvq+4]
vpbroadcastd m0, [pw_0_128]
vpbroadcastd m12, [pd_1024]
DEFINE_ARGS dst, stride, mid, w, h, ylim, edge, y, mptr, dstptr
rorx ylimd, edged, 2
paddw m11, m0
and ylimd, 2 ; have_bottom
sub ylimd, 3
; main x loop for vertical filter, does one column of 16 pixels
.loop_x:
mova m3, [midq] ; middle line
; load top pixels
test edgeb, 4 ; have_top
jz .emu_top
mova m0, [midq-384*4]
mova m2, [midq-384*2]
mova m1, m0
jmp .load_bottom_pixels
.emu_top:
mova m0, m3
mova m1, m3
mova m2, m3
; load bottom pixels
.load_bottom_pixels:
mov yd, hd
mov mptrq, midq
mov dstptrq, dstq
add yd, ylimd
jg .load_threelines
; the remainder here is somewhat messy but only runs in very weird
; circumstances at the bottom of the image in very small blocks (h=[1-3]),
; so performance is not terribly important here...
je .load_twolines
cmp yd, -1
je .load_oneline
; h == 1 case
mova m5, m3
mova m4, m3
mova m6, m3
jmp .loop
.load_oneline:
; h == 2 case
mova m4, [midq+384*2]
mova m5, m4
mova m6, m4
jmp .loop
.load_twolines:
; h == 3 case
mova m4, [midq+384*2]
mova m5, [midq+384*4]
mova m6, m5
jmp .loop
.load_threelines:
; h > 3 case
mova m4, [midq+384*2]
mova m5, [midq+384*4]
; third line loaded in main loop below
; main y loop for vertical filter
.loop_load:
; load one line into m6. if that pixel is no longer available, do
; nothing, since m6 still has the data from the previous line in it. We
; try to structure the loop so that the common case is evaluated fastest
mova m6, [mptrq+384*6]
.loop:
paddw m0, m6
paddw m7, m1, m5
paddw m8, m2, m4
punpcklwd m9, m0, m7
punpckhwd m0, m7
punpcklwd m7, m8, m3
punpckhwd m8, m3
pmaddwd m9, m10
pmaddwd m0, m10
pmaddwd m7, m11
pmaddwd m8, m11
add mptrq, 384*2
paddd m7, m9
paddd m0, m8
paddd m7, m12
paddd m0, m12
psrad m7, 11
psrad m0, 11
packssdw m7, m0
vextracti128 xm0, m7, 1
packuswb xm7, xm0
mova [dstptrq], xm7
; shift pixels one position
mova m0, m1
mova m1, m2
mova m2, m3
mova m3, m4
mova m4, m5
mova m5, m6
add dstptrq, strideq
dec yd
jg .loop_load
; for the bottom pixels, continue using m6 (as extended edge)
cmp yd, ylimd
jg .loop
add midq, 32
add dstq, 16
sub wd, 16
jg .loop_x
RET
INIT_YMM avx2
cglobal sgr_box3_h, 5, 11, 7, sumsq, sum, left, src, stride, w, h, edge, x, xlim
mov xlimd, edgem
movifnidn wd, wm
mov hd, hm
mov edged, xlimd
and xlimd, 2 ; have_right
jz .no_right
add wd, 2+15
and wd, ~15
.no_right:
lea r10, [pb_right_ext_mask+32]
xor xlimd, 2 ; 2*!have_right
pxor m1, m1
add srcq, wq
lea sumq, [sumq+wq*2-2]
lea sumsqq, [sumsqq+wq*4-4]
neg wq
.loop_y:
mov xq, wq
; load left
test edgeb, 1 ; have_left
jz .no_left
test leftq, leftq
jz .load_left_from_main
vpbroadcastw xm0, [leftq+2]
add leftq, 4
jmp .expand_x
.no_left:
vpbroadcastb xm0, [srcq+xq]
jmp .expand_x
.load_left_from_main:
vpbroadcastw xm0, [srcq+xq-2]
.expand_x:
punpckhbw xm0, xm1
; when we reach this, xm0 contains left two px in highest words
cmp xd, -16
jle .loop_x
.partial_load_and_extend:
vpbroadcastb m3, [srcq-1]
pmovzxbw m2, [srcq+xq]
movu m4, [r10+xq*2]
punpcklbw m3, m1
pand m2, m4
pandn m4, m3
por m2, m4
jmp .loop_x_noload
.right_extend:
psrldq xm2, xm0, 14
vpbroadcastw m2, xm2
jmp .loop_x_noload
.loop_x:
pmovzxbw m2, [srcq+xq]
.loop_x_noload:
vinserti128 m0, xm2, 1
palignr m3, m2, m0, 12
palignr m4, m2, m0, 14
punpcklwd m5, m3, m2
punpckhwd m6, m3, m2
paddw m3, m4
punpcklwd m0, m4, m1
punpckhwd m4, m1
pmaddwd m5, m5
pmaddwd m6, m6
pmaddwd m0, m0
pmaddwd m4, m4
paddw m3, m2
paddd m5, m0
vextracti128 xm0, m2, 1
paddd m6, m4
movu [sumq+xq*2], m3
movu [sumsqq+xq*4+ 0], xm5
movu [sumsqq+xq*4+16], xm6
vextracti128 [sumsqq+xq*4+32], m5, 1
vextracti128 [sumsqq+xq*4+48], m6, 1
add xq, 16
; if x <= -16 we can reload more pixels
; else if x < 0 we reload and extend (this implies have_right=0)
; else if x < xlimd we extend from previous load (this implies have_right=0)
; else we are done
cmp xd, -16
jle .loop_x
test xd, xd
jl .partial_load_and_extend
cmp xd, xlimd
jl .right_extend
add sumsqq, (384+16)*4
add sumq, (384+16)*2
add srcq, strideq
dec hd
jg .loop_y
RET
INIT_YMM avx2
cglobal sgr_box3_v, 4, 10, 9, sumsq, sum, w, h, edge, x, y, sumsq_ptr, sum_ptr, ylim
movifnidn edged, edgem
mov xq, -2
rorx ylimd, edged, 2
and ylimd, 2 ; have_bottom
sub ylimd, 2 ; -2 if have_bottom=0, else 0
.loop_x:
lea yd, [hq+ylimq+2]
lea sumsq_ptrq, [sumsqq+xq*4+4-(384+16)*4]
lea sum_ptrq, [sumq+xq*2+2-(384+16)*2]
test edgeb, 4 ; have_top
jnz .load_top
movu m0, [sumsq_ptrq+(384+16)*4*1]
movu m1, [sumsq_ptrq+(384+16)*4*1+32]
movu m6, [sum_ptrq+(384+16)*2*1]
mova m2, m0
mova m3, m1
mova m4, m0
mova m5, m1
mova m7, m6
mova m8, m6
jmp .loop_y_noload
.load_top:
movu m0, [sumsq_ptrq-(384+16)*4*1] ; l2sq [left]
movu m1, [sumsq_ptrq-(384+16)*4*1+32] ; l2sq [right]
movu m2, [sumsq_ptrq-(384+16)*4*0] ; l1sq [left]
movu m3, [sumsq_ptrq-(384+16)*4*0+32] ; l1sq [right]
movu m6, [sum_ptrq-(384+16)*2*1] ; l2
movu m7, [sum_ptrq-(384+16)*2*0] ; l1
.loop_y:
movu m4, [sumsq_ptrq+(384+16)*4*1] ; l0sq [left]
movu m5, [sumsq_ptrq+(384+16)*4*1+32] ; l0sq [right]
movu m8, [sum_ptrq+(384+16)*2*1] ; l0
.loop_y_noload:
paddd m0, m2
paddd m1, m3
paddw m6, m7
paddd m0, m4
paddd m1, m5
paddw m6, m8
movu [sumsq_ptrq+ 0], m0
movu [sumsq_ptrq+32], m1
movu [sum_ptrq], m6
; shift position down by one
mova m0, m2
mova m1, m3
mova m2, m4
mova m3, m5
mova m6, m7
mova m7, m8
add sumsq_ptrq, (384+16)*4
add sum_ptrq, (384+16)*2
dec yd
jg .loop_y
cmp yd, ylimd
jg .loop_y_noload
add xd, 16
cmp xd, wd
jl .loop_x
RET
INIT_YMM avx2
cglobal sgr_calc_ab1, 4, 6, 11, a, b, w, h, s
sub aq, (384+16-1)*4
sub bq, (384+16-1)*2
add hd, 2
lea r5, [sgr_x_by_x-0xf03]
%ifidn sd, sm
movd xm6, sd
vpbroadcastd m6, xm6
%else
vpbroadcastd m6, sm
%endif
vpbroadcastd m8, [pd_0xf00801c7]
vpbroadcastd m9, [pw_256]
pcmpeqb m7, m7
psrld m10, m9, 13 ; pd_2048
DEFINE_ARGS a, b, w, h, x
.loop_y:
mov xq, -2
.loop_x:
pmovzxwd m0, [bq+xq*2]
pmovzxwd m1, [bq+xq*2+(384+16)*2]
movu m2, [aq+xq*4]
movu m3, [aq+xq*4+(384+16)*4]
pslld m4, m2, 3
pslld m5, m3, 3
paddd m2, m4 ; aa * 9
paddd m3, m5
pmaddwd m4, m0, m0
pmaddwd m5, m1, m1
pmaddwd m0, m8
pmaddwd m1, m8
psubd m2, m4 ; p = aa * 9 - bb * bb
psubd m3, m5
pmulld m2, m6
pmulld m3, m6
paddusw m2, m8
paddusw m3, m8
psrld m2, 20 ; z
psrld m3, 20
mova m5, m7
vpgatherdd m4, [r5+m2], m5 ; xx
mova m5, m7
vpgatherdd m2, [r5+m3], m5
psrld m4, 24
psrld m2, 24
pmulld m0, m4
pmulld m1, m2
packssdw m4, m2
psubw m4, m9, m4
vpermq m4, m4, q3120
paddd m0, m10
paddd m1, m10
psrld m0, 12
psrld m1, 12
movu [bq+xq*2], xm4
vextracti128 [bq+xq*2+(384+16)*2], m4, 1
movu [aq+xq*4], m0
movu [aq+xq*4+(384+16)*4], m1
add xd, 8
cmp xd, wd
jl .loop_x
add aq, (384+16)*4*2
add bq, (384+16)*2*2
sub hd, 2
jg .loop_y
RET
INIT_YMM avx2
cglobal sgr_finish_filter1, 5, 13, 16, t, src, stride, a, b, w, h, \
tmp_ptr, src_ptr, a_ptr, b_ptr, x, y
movifnidn wd, wm
mov hd, hm
vpbroadcastd m15, [pw_16]
xor xd, xd
.loop_x:
lea tmp_ptrq, [tq+xq*2]
lea src_ptrq, [srcq+xq*1]
lea a_ptrq, [aq+xq*4+(384+16)*4]
lea b_ptrq, [bq+xq*2+(384+16)*2]
movu m0, [aq+xq*4-(384+16)*4-4]
movu m2, [aq+xq*4-(384+16)*4+4]
mova m1, [aq+xq*4-(384+16)*4] ; a:top [first half]
paddd m0, m2 ; a:tl+tr [first half]
movu m2, [aq+xq*4-(384+16)*4-4+32]
movu m4, [aq+xq*4-(384+16)*4+4+32]
mova m3, [aq+xq*4-(384+16)*4+32] ; a:top [second half]
paddd m2, m4 ; a:tl+tr [second half]
movu m4, [aq+xq*4-4]
movu m5, [aq+xq*4+4]
paddd m1, [aq+xq*4] ; a:top+ctr [first half]
paddd m4, m5 ; a:l+r [first half]
movu m5, [aq+xq*4+32-4]
movu m6, [aq+xq*4+32+4]
paddd m3, [aq+xq*4+32] ; a:top+ctr [second half]
paddd m5, m6 ; a:l+r [second half]
movu m6, [bq+xq*2-(384+16)*2-2]
movu m8, [bq+xq*2-(384+16)*2+2]
mova m7, [bq+xq*2-(384+16)*2] ; b:top
paddw m6, m8 ; b:tl+tr
movu m8, [bq+xq*2-2]
movu m9, [bq+xq*2+2]
paddw m7, [bq+xq*2] ; b:top+ctr
paddw m8, m9 ; b:l+r
mov yd, hd
.loop_y:
movu m9, [b_ptrq-2]
movu m10, [b_ptrq+2]
paddw m7, [b_ptrq] ; b:top+ctr+bottom
paddw m9, m10 ; b:bl+br
paddw m10, m7, m8 ; b:top+ctr+bottom+l+r
paddw m6, m9 ; b:tl+tr+bl+br
psubw m7, [b_ptrq-(384+16)*2*2] ; b:ctr+bottom
paddw m10, m6
psllw m10, 2
psubw m10, m6 ; aa
pmovzxbw m12, [src_ptrq]
punpcklwd m6, m10, m15
punpckhwd m10, m15
punpcklwd m13, m12, m15
punpckhwd m12, m15
pmaddwd m6, m13 ; aa*src[x]+256 [first half]
pmaddwd m10, m12 ; aa*src[x]+256 [second half]
movu m11, [a_ptrq-4]
movu m12, [a_ptrq+4]
paddd m1, [a_ptrq] ; a:top+ctr+bottom [first half]
paddd m11, m12 ; a:bl+br [first half]
movu m12, [a_ptrq+32-4]
movu m13, [a_ptrq+32+4]
paddd m3, [a_ptrq+32] ; a:top+ctr+bottom [second half]
paddd m12, m13 ; a:bl+br [second half]
paddd m13, m1, m4 ; a:top+ctr+bottom+l+r [first half]
paddd m14, m3, m5 ; a:top+ctr+bottom+l+r [second half]
paddd m0, m11 ; a:tl+tr+bl+br [first half]
paddd m2, m12 ; a:tl+tr+bl+br [second half]
paddd m13, m0
paddd m14, m2
pslld m13, 2
pslld m14, 2
psubd m13, m0 ; bb [first half]
psubd m14, m2 ; bb [second half]
vperm2i128 m0, m13, m14, 0x31
vinserti128 m13, xm14, 1
psubd m1, [a_ptrq-(384+16)*4*2] ; a:ctr+bottom [first half]
psubd m3, [a_ptrq-(384+16)*4*2+32] ; a:ctr+bottom [second half]
paddd m6, m13
paddd m10, m0
psrad m6, 9
psrad m10, 9
packssdw m6, m10
mova [tmp_ptrq], m6
; shift to next row
mova m0, m4
mova m2, m5
mova m4, m11
mova m5, m12
mova m6, m8
mova m8, m9
add a_ptrq, (384+16)*4
add b_ptrq, (384+16)*2
add tmp_ptrq, 384*2
add src_ptrq, strideq
dec yd
jg .loop_y
add xd, 16
cmp xd, wd
jl .loop_x
RET
INIT_YMM avx2
cglobal sgr_weighted1, 4, 6, 6, dst, stride, t, w, h, wt
%ifidn wtd, wtm
shl wtd, 4
movd xm5, wtd
vpbroadcastw m5, xm5
%else
vpbroadcastw m5, wtm
mov hd, hm
psllw m5, 4
%endif
DEFINE_ARGS dst, stride, t, w, h, idx
.loop_y:
xor idxd, idxd
.loop_x:
mova m0, [tq+idxq*2+ 0]
mova m1, [tq+idxq*2+32]
pmovzxbw m2, [dstq+idxq+ 0]
pmovzxbw m3, [dstq+idxq+16]
psllw m4, m2, 4
psubw m0, m4
psllw m4, m3, 4
psubw m1, m4
pmulhrsw m0, m5
pmulhrsw m1, m5
paddw m0, m2
paddw m1, m3
packuswb m0, m1
vpermq m0, m0, q3120
mova [dstq+idxq], m0
add idxd, 32
cmp idxd, wd
jl .loop_x
add tq, 384*2
add dstq, strideq
dec hd
jg .loop_y
RET
INIT_YMM avx2
cglobal sgr_box5_h, 5, 11, 10, sumsq, sum, left, src, stride, w, h, edge, x, xlim
mov edged, edgem
movifnidn wd, wm
mov hd, hm
test edgeb, 2 ; have_right
jz .no_right
xor xlimd, xlimd
add wd, 2+15
and wd, ~15
jmp .right_done
.no_right:
mov xlimd, 3
sub wd, 1
.right_done:
lea r10, [pb_right_ext_mask+32]
pxor m1, m1
lea srcq, [srcq+wq+1]
lea sumq, [sumq+wq*2-2]
lea sumsqq, [sumsqq+wq*4-4]
neg wq
.loop_y:
mov xq, wq
; load left
test edgeb, 1 ; have_left
jz .no_left
test leftq, leftq
jz .load_left_from_main
vpbroadcastd xm2, [leftq]
movd xm0, [srcq+xq-1]
add leftq, 4
palignr xm0, xm2, 1
jmp .expand_x
.no_left:
vpbroadcastb xm0, [srcq+xq-1]
jmp .expand_x
.load_left_from_main:
vpbroadcastd xm0, [srcq+xq-4]
.expand_x:
punpckhbw xm0, xm1
; when we reach this, xm0 contains left two px in highest words
cmp xd, -16
jle .loop_x
test xd, xd
jge .right_extend
.partial_load_and_extend:
vpbroadcastb m3, [srcq-1]
pmovzxbw m2, [srcq+xq]
movu m4, [r10+xq*2]
punpcklbw m3, m1
pand m2, m4
pandn m4, m3
por m2, m4
jmp .loop_x_noload
.right_extend:
psrldq xm2, xm0, 14
vpbroadcastw m2, xm2
jmp .loop_x_noload
.loop_x:
pmovzxbw m2, [srcq+xq]
.loop_x_noload:
vinserti128 m0, xm2, 1
palignr m3, m2, m0, 8
palignr m4, m2, m0, 10
palignr m5, m2, m0, 12
palignr m6, m2, m0, 14
paddw m0, m3, m2
punpcklwd m7, m3, m2
punpckhwd m3, m2
paddw m0, m4
punpcklwd m8, m4, m5
punpckhwd m4, m5
paddw m0, m5
punpcklwd m9, m6, m1
punpckhwd m5, m6, m1
paddw m0, m6
pmaddwd m7, m7
pmaddwd m3, m3
pmaddwd m8, m8
pmaddwd m4, m4
pmaddwd m9, m9
pmaddwd m5, m5
paddd m7, m8
paddd m3, m4
paddd m7, m9
paddd m3, m5
movu [sumq+xq*2], m0
movu [sumsqq+xq*4+ 0], xm7
movu [sumsqq+xq*4+16], xm3
vextracti128 [sumsqq+xq*4+32], m7, 1
vextracti128 [sumsqq+xq*4+48], m3, 1
vextracti128 xm0, m2, 1
add xq, 16
; if x <= -16 we can reload more pixels
; else if x < 0 we reload and extend (this implies have_right=0)
; else if x < xlimd we extend from previous load (this implies have_right=0)
; else we are done
cmp xd, -16
jle .loop_x
test xd, xd
jl .partial_load_and_extend
cmp xd, xlimd
jl .right_extend
add srcq, strideq
add sumsqq, (384+16)*4
add sumq, (384+16)*2
dec hd
jg .loop_y
RET
INIT_YMM avx2
cglobal sgr_box5_v, 4, 10, 15, sumsq, sum, w, h, edge, x, y, sumsq_ptr, sum_ptr, ylim
movifnidn edged, edgem
mov xq, -2
rorx ylimd, edged, 2
and ylimd, 2 ; have_bottom
sub ylimd, 3 ; -3 if have_bottom=0, else -1
.loop_x:
lea yd, [hq+ylimq+2]
lea sumsq_ptrq, [sumsqq+xq*4+4-(384+16)*4]
lea sum_ptrq, [sumq+xq*2+2-(384+16)*2]
test edgeb, 4 ; have_top
jnz .load_top
movu m0, [sumsq_ptrq+(384+16)*4*1]
movu m1, [sumsq_ptrq+(384+16)*4*1+32]
movu m10, [sum_ptrq+(384+16)*2*1]
mova m2, m0
mova m3, m1
mova m4, m0
mova m5, m1
mova m6, m0
mova m7, m1
mova m11, m10
mova m12, m10
mova m13, m10
jmp .loop_y_second_load
.load_top:
movu m0, [sumsq_ptrq-(384+16)*4*1] ; l3/4sq [left]
movu m1, [sumsq_ptrq-(384+16)*4*1+32] ; l3/4sq [right]
movu m4, [sumsq_ptrq-(384+16)*4*0] ; l2sq [left]
movu m5, [sumsq_ptrq-(384+16)*4*0+32] ; l2sq [right]
movu m10, [sum_ptrq-(384+16)*2*1] ; l3/4
movu m12, [sum_ptrq-(384+16)*2*0] ; l2
mova m2, m0
mova m3, m1
mova m11, m10
.loop_y:
movu m6, [sumsq_ptrq+(384+16)*4*1] ; l1sq [left]
movu m7, [sumsq_ptrq+(384+16)*4*1+32] ; l1sq [right]
movu m13, [sum_ptrq+(384+16)*2*1] ; l1
.loop_y_second_load:
test yd, yd
jle .emulate_second_load
movu m8, [sumsq_ptrq+(384+16)*4*2] ; l0sq [left]
movu m9, [sumsq_ptrq+(384+16)*4*2+32] ; l0sq [right]
movu m14, [sum_ptrq+(384+16)*2*2] ; l0
.loop_y_noload:
paddd m0, m2
paddd m1, m3
paddw m10, m11
paddd m0, m4
paddd m1, m5
paddw m10, m12
paddd m0, m6
paddd m1, m7
paddw m10, m13
paddd m0, m8
paddd m1, m9
paddw m10, m14
movu [sumsq_ptrq+ 0], m0
movu [sumsq_ptrq+32], m1
movu [sum_ptrq], m10
; shift position down by one
mova m0, m4
mova m1, m5
mova m2, m6
mova m3, m7
mova m4, m8
mova m5, m9
mova m10, m12
mova m11, m13
mova m12, m14
add sumsq_ptrq, (384+16)*4*2
add sum_ptrq, (384+16)*2*2
sub yd, 2
jge .loop_y
; l1 = l0
mova m6, m8
mova m7, m9
mova m13, m14
cmp yd, ylimd
jg .loop_y_noload
add xd, 16
cmp xd, wd
jl .loop_x
RET
.emulate_second_load:
mova m8, m6
mova m9, m7
mova m14, m13
jmp .loop_y_noload
INIT_YMM avx2
cglobal sgr_calc_ab2, 4, 6, 11, a, b, w, h, s
sub aq, (384+16-1)*4
sub bq, (384+16-1)*2
add hd, 2
lea r5, [sgr_x_by_x-0xf03]
%ifidn sd, sm
movd xm6, sd
vpbroadcastd m6, xm6
%else
vpbroadcastd m6, sm
%endif
vpbroadcastd m8, [pd_0xf0080029]
vpbroadcastd m9, [pw_256]
pcmpeqb m7, m7
psrld m10, m9, 15 ; pd_512
DEFINE_ARGS a, b, w, h, x
.loop_y:
mov xq, -2
.loop_x:
pmovzxwd m0, [bq+xq*2+ 0]
pmovzxwd m1, [bq+xq*2+16]
movu m2, [aq+xq*4+ 0]
movu m3, [aq+xq*4+32]
pslld m4, m2, 3 ; aa * 8
pslld m5, m3, 3
paddd m2, m4 ; aa * 9
paddd m3, m5
paddd m4, m4 ; aa * 16
paddd m5, m5
paddd m2, m4 ; aa * 25
paddd m3, m5
pmaddwd m4, m0, m0
pmaddwd m5, m1, m1
psubd m2, m4 ; p = aa * 25 - bb * bb
psubd m3, m5
pmulld m2, m6
pmulld m3, m6
paddusw m2, m8
paddusw m3, m8
psrld m2, 20 ; z
psrld m3, 20
mova m5, m7
vpgatherdd m4, [r5+m2], m5 ; xx
mova m5, m7
vpgatherdd m2, [r5+m3], m5
psrld m4, 24
psrld m2, 24
packssdw m3, m4, m2
pmullw m4, m8
pmullw m2, m8
psubw m3, m9, m3
vpermq m3, m3, q3120
pmaddwd m0, m4
pmaddwd m1, m2
paddd m0, m10
paddd m1, m10
psrld m0, 10
psrld m1, 10
movu [bq+xq*2], m3
movu [aq+xq*4+ 0], m0
movu [aq+xq*4+32], m1
add xd, 16
cmp xd, wd
jl .loop_x
add aq, (384+16)*4*2
add bq, (384+16)*2*2
sub hd, 2
jg .loop_y
RET
INIT_YMM avx2
cglobal sgr_finish_filter2, 5, 13, 13, t, src, stride, a, b, w, h, \
tmp_ptr, src_ptr, a_ptr, b_ptr, x, y
movifnidn wd, wm
mov hd, hm
vpbroadcastd m9, [pw_5_6]
vpbroadcastd m12, [pw_256]
psrlw m11, m12, 1 ; pw_128
psrlw m10, m12, 8 ; pw_1
xor xd, xd
.loop_x:
lea tmp_ptrq, [tq+xq*2]
lea src_ptrq, [srcq+xq*1]
lea a_ptrq, [aq+xq*4+(384+16)*4]
lea b_ptrq, [bq+xq*2+(384+16)*2]
movu m0, [aq+xq*4-(384+16)*4-4]
mova m1, [aq+xq*4-(384+16)*4]
movu m2, [aq+xq*4-(384+16)*4+4]
movu m3, [aq+xq*4-(384+16)*4-4+32]
mova m4, [aq+xq*4-(384+16)*4+32]
movu m5, [aq+xq*4-(384+16)*4+4+32]
paddd m0, m2
paddd m3, m5
paddd m0, m1
paddd m3, m4
pslld m2, m0, 2
pslld m5, m3, 2
paddd m2, m0
paddd m5, m3
paddd m0, m2, m1 ; prev_odd_b [first half]
paddd m1, m5, m4 ; prev_odd_b [second half]
movu m3, [bq+xq*2-(384+16)*2-2]
mova m4, [bq+xq*2-(384+16)*2]
movu m5, [bq+xq*2-(384+16)*2+2]
paddw m3, m5
punpcklwd m5, m3, m4
punpckhwd m3, m4
pmaddwd m5, m9
pmaddwd m3, m9
packssdw m2, m5, m3 ; prev_odd_a
mov yd, hd
.loop_y:
movu m3, [a_ptrq-4]
mova m4, [a_ptrq]
movu m5, [a_ptrq+4]
movu m6, [a_ptrq+32-4]
mova m7, [a_ptrq+32]
movu m8, [a_ptrq+32+4]
paddd m3, m5
paddd m6, m8
paddd m3, m4
paddd m6, m7
pslld m5, m3, 2
pslld m8, m6, 2
paddd m5, m3
paddd m8, m6
paddd m3, m5, m4 ; cur_odd_b [first half]
paddd m4, m8, m7 ; cur_odd_b [second half]
movu m5, [b_ptrq-2]
mova m6, [b_ptrq]
movu m7, [b_ptrq+2]
paddw m5, m7
punpcklwd m7, m5, m6
punpckhwd m5, m6
pmaddwd m7, m9
pmaddwd m5, m9
packssdw m5, m7, m5 ; cur_odd_a
paddd m0, m3 ; cur_even_b [first half]
paddd m1, m4 ; cur_even_b [second half]
paddw m2, m5 ; cur_even_a
pmovzxbw m6, [src_ptrq]
vperm2i128 m8, m0, m1, 0x31
vinserti128 m0, xm1, 1
punpcklwd m7, m6, m10
punpckhwd m6, m10
punpcklwd m1, m2, m12
punpckhwd m2, m12
pmaddwd m7, m1
pmaddwd m6, m2
paddd m7, m0
paddd m6, m8
psrad m7, 9
psrad m6, 9
pmovzxbw m8, [src_ptrq+strideq]
punpcklwd m0, m8, m10
punpckhwd m8, m10
punpcklwd m1, m5, m11
punpckhwd m2, m5, m11
pmaddwd m0, m1
pmaddwd m8, m2
vinserti128 m2, m3, xm4, 1
vperm2i128 m1, m3, m4, 0x31
paddd m0, m2
paddd m8, m1
psrad m0, 8
psrad m8, 8
packssdw m7, m6
packssdw m0, m8
mova [tmp_ptrq+384*2*0], m7
mova [tmp_ptrq+384*2*1], m0
mova m0, m3
mova m1, m4
mova m2, m5
add a_ptrq, (384+16)*4*2
add b_ptrq, (384+16)*2*2
add tmp_ptrq, 384*2*2
lea src_ptrq, [src_ptrq+strideq*2]
sub yd, 2
jg .loop_y
add xd, 16
cmp xd, wd
jl .loop_x
RET
INIT_YMM avx2
cglobal sgr_weighted2, 4, 7, 11, dst, stride, t1, t2, w, h, wt
movifnidn wd, wm
movifnidn hd, hm
vpbroadcastd m0, wtm
vpbroadcastd m10, [pd_1024]
DEFINE_ARGS dst, stride, t1, t2, w, h, idx
.loop_y:
xor idxd, idxd
.loop_x:
mova m1, [t1q+idxq*2+ 0]
mova m2, [t1q+idxq*2+32]
mova m3, [t2q+idxq*2+ 0]
mova m4, [t2q+idxq*2+32]
pmovzxbw m5, [dstq+idxq+ 0]
pmovzxbw m6, [dstq+idxq+16]
psllw m7, m5, 4
psllw m8, m6, 4
psubw m1, m7
psubw m2, m8
psubw m3, m7
psubw m4, m8
punpcklwd m9, m1, m3
punpckhwd m1, m3
punpcklwd m3, m2, m4
punpckhwd m2, m4
pmaddwd m9, m0
pmaddwd m1, m0
pmaddwd m3, m0
pmaddwd m2, m0
paddd m9, m10
paddd m1, m10
paddd m3, m10
paddd m2, m10
psrad m9, 11
psrad m1, 11
psrad m3, 11
psrad m2, 11
packssdw m1, m9, m1
packssdw m2, m3, m2
paddw m1, m5
paddw m2, m6
packuswb m1, m2
vpermq m1, m1, q3120
mova [dstq+idxq], m1
add idxd, 32
cmp idxd, wd
jl .loop_x
add dstq, strideq
add t1q, 384 * 2
add t2q, 384 * 2
dec hd
jg .loop_y
RET
%endif ; ARCH_X86_64