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cdef_sse.asm
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; Copyright © 2018, VideoLAN and dav1d authors
; Copyright © 2018, Two Orioles, LLC
; Copyright © 2019, VideoLabs
; 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"
SECTION_RODATA 16
%macro DUP8 1-*
%rep %0
times 8 db %1
%rotate 1
%endrep
%endmacro
div_table_sse4: dd 840, 420, 280, 210, 168, 140, 120, 105
dd 420, 210, 140, 105, 105, 105, 105, 105
div_table_ssse3: dw 840, 840, 420, 420, 280, 280, 210, 210
dw 168, 168, 140, 140, 120, 120, 105, 105
dw 420, 420, 210, 210, 140, 140, 105, 105
dw 105, 105, 105, 105, 105, 105, 105, 105
shufw_6543210x: db 12, 13, 10, 11, 8, 9, 6, 7, 4, 5, 2, 3, 0, 1, 14, 15
shufb_lohi: db 0, 8, 1, 9, 2, 10, 3, 11, 4, 12, 5, 13, 6, 14, 7, 15
pw_8: times 8 dw 8
pw_128: times 8 dw 128
pw_256: times 8 dw 256
pw_2048: times 8 dw 2048
pw_0x7FFF: times 8 dw 0x7FFF
pw_0x8000: times 8 dw 0x8000
tap_table: ; masks for 8-bit shift emulation
DUP8 0xFF, 0xFE, 0xFC, 0xF8, 0xF0, 0xE0, 0xC0, 0x80
; weights
DUP8 4, 2, 3, 3, 2, 1
; taps indices
db -1 * 16 + 1, -2 * 16 + 2
db 0 * 16 + 1, -1 * 16 + 2
db 0 * 16 + 1, 0 * 16 + 2
db 0 * 16 + 1, 1 * 16 + 2
db 1 * 16 + 1, 2 * 16 + 2
db 1 * 16 + 0, 2 * 16 + 1
db 1 * 16 + 0, 2 * 16 + 0
db 1 * 16 + 0, 2 * 16 - 1
; the last 6 are repeats of the first 6 so we don't need to & 7
db -1 * 16 + 1, -2 * 16 + 2
db 0 * 16 + 1, -1 * 16 + 2
db 0 * 16 + 1, 0 * 16 + 2
db 0 * 16 + 1, 1 * 16 + 2
db 1 * 16 + 1, 2 * 16 + 2
db 1 * 16 + 0, 2 * 16 + 1
SECTION .text
%macro movif32 2
%if ARCH_X86_32
mov %1, %2
%endif
%endmacro
%macro PMOVZXBW 2-3 0 ; %3 = half
%if cpuflag(sse4) && %3 == 0
pmovzxbw %1, %2
%else
%if %3 == 1
movd %1, %2
%else
movq %1, %2
%endif
punpcklbw %1, m7
%endif
%endmacro
%macro PSHUFB_0 2
%if cpuflag(ssse3)
pshufb %1, %2
%else
punpcklbw %1, %1
pshuflw %1, %1, q0000
punpcklqdq %1, %1
%endif
%endmacro
%macro MOVDDUP 2
%if cpuflag(ssse3)
movddup %1, %2
%else
movq %1, %2
punpcklqdq %1, %1
%endif
%endmacro
%macro ACCUMULATE_TAP 7 ; tap_offset, shift, shift_mask, strength, mul_tap, w, minmax
; load p0/p1
movsx offq, byte [dirq+kq+%1+14*8] ; off1
%if %6 == 4
movq m5, [stkq+offq*2+32*0] ; p0
movhps m5, [stkq+offq*2+32*1]
%else
movu m5, [stkq+offq*2+32*0] ; p0
%endif
neg offq ; -off1
%if %6 == 4
movq m6, [stkq+offq*2+32*0] ; p1
movhps m6, [stkq+offq*2+32*1]
%else
movu m6, [stkq+offq*2+32*0] ; p1
%endif
%if %7
%if cpuflag(sse4)
; out of bounds values are set to a value that is a both a large unsigned
; value and a negative signed value.
; use signed max and unsigned min to remove them
pmaxsw m7, m5
pminuw m8, m5
pmaxsw m7, m6
pminuw m8, m6
%else
pcmpeqw m3, m14, m5
pminsw m8, m5 ; min after p0
pandn m3, m5
pmaxsw m7, m3 ; max after p0
pcmpeqw m3, m14, m6
pminsw m8, m6 ; min after p1
pandn m3, m6
pmaxsw m7, m3 ; max after p1
%endif
%endif
; accumulate sum[m13] over p0/p1
psubw m5, m4 ; diff_p0(p0 - px)
psubw m6, m4 ; diff_p1(p1 - px)
packsswb m5, m6 ; convert pixel diff to 8-bit
%if cpuflag(ssse3)
pshufb m5, m13 ; group diffs p0 and p1 into pairs
pabsb m6, m5
psignb m3, %5, m5
%else
movlhps m6, m5
punpckhbw m6, m5
pxor m5, m5
pcmpgtb m5, m6
paddb m6, m5
pxor m6, m5
paddb m3, %5, m5
pxor m3, m5
%endif
pand m9, %3, m6 ; emulate 8-bit shift
psrlw m9, %2
psubusb m5, %4, m9
pminub m5, m6 ; constrain(diff_p)
%if cpuflag(ssse3)
pmaddubsw m5, m3 ; constrain(diff_p) * taps
%else
psrlw m9, m5, 8
psraw m6, m3, 8
psllw m5, 8
psllw m3, 8
pmullw m9, m6
pmulhw m5, m3
paddw m5, m9
%endif
paddw m0, m5
%endmacro
%macro LOAD_BODY 3 ; dst, src, block_width
%if %3 == 4
PMOVZXBW m0, [%2+strideq*0]
PMOVZXBW m1, [%2+strideq*1]
PMOVZXBW m2, [%2+strideq*2]
PMOVZXBW m3, [%2+stride3q]
mova [%1+32*0], m0
mova [%1+32*1], m1
mova [%1+32*2], m2
mova [%1+32*3], m3
%else
movu m0, [%2+strideq*0]
movu m1, [%2+strideq*1]
movu m2, [%2+strideq*2]
movu m3, [%2+stride3q]
punpcklbw m4, m0, m7
punpckhbw m0, m7
mova [%1+32*0+ 0], m4
mova [%1+32*0+16], m0
punpcklbw m4, m1, m7
punpckhbw m1, m7
mova [%1+32*1+ 0], m4
mova [%1+32*1+16], m1
punpcklbw m4, m2, m7
punpckhbw m2, m7
mova [%1+32*2+ 0], m4
mova [%1+32*2+16], m2
punpcklbw m4, m3, m7
punpckhbw m3, m7
mova [%1+32*3+ 0], m4
mova [%1+32*3+16], m3
%endif
%endmacro
%macro CDEF_FILTER_END 2 ; w, minmax
pxor m6, m6
pcmpgtw m6, m0
paddw m0, m6
%if cpuflag(ssse3)
pmulhrsw m0, m15
%else
paddw m0, m15
psraw m0, 4
%endif
paddw m4, m0
%if %2
pminsw m4, m7
pmaxsw m4, m8
%endif
packuswb m4, m4
%if %1 == 4
movd [dstq+strideq*0], m4
psrlq m4, 32
movd [dstq+strideq*1], m4
add stkq, 32*2
lea dstq, [dstq+strideq*2]
%else
movq [dstq], m4
add stkq, 32
add dstq, strideq
%endif
%endmacro
%macro CDEF_FILTER 2 ; w, h
%if ARCH_X86_64
cglobal cdef_filter_%1x%2_8bpc, 4, 9, 16, 3 * 16 + (%2+4)*32, \
dst, stride, left, top, pri, sec, edge, stride3, dst4
%define px rsp+3*16+2*32
%define base 0
%else
cglobal cdef_filter_%1x%2_8bpc, 2, 7, 8, - 7 * 16 - (%2+4)*32, \
dst, stride, left, edge, stride3
%define topq r2
%define dst4q r2
LEA r5, tap_table
%define px esp+7*16+2*32
%define base r5-tap_table
%endif
mov edged, r8m
%if cpuflag(sse4)
%define OUT_OF_BOUNDS_MEM [base+pw_0x8000]
%else
%define OUT_OF_BOUNDS_MEM [base+pw_0x7FFF]
%endif
mova m6, OUT_OF_BOUNDS_MEM
pxor m7, m7
; prepare pixel buffers - body/right
%if %2 == 8
lea dst4q, [dstq+strideq*4]
%endif
lea stride3q, [strideq*3]
test edgeb, 2 ; have_right
jz .no_right
LOAD_BODY px, dstq, %1
%if %2 == 8
LOAD_BODY px+4*32, dst4q, %1
%endif
jmp .body_done
.no_right:
PMOVZXBW m0, [dstq+strideq*0], %1 == 4
PMOVZXBW m1, [dstq+strideq*1], %1 == 4
PMOVZXBW m2, [dstq+strideq*2], %1 == 4
PMOVZXBW m3, [dstq+stride3q ], %1 == 4
mova [px+32*0], m0
mova [px+32*1], m1
mova [px+32*2], m2
mova [px+32*3], m3
movd [px+32*0+%1*2], m6
movd [px+32*1+%1*2], m6
movd [px+32*2+%1*2], m6
movd [px+32*3+%1*2], m6
%if %2 == 8
PMOVZXBW m0, [dst4q+strideq*0], %1 == 4
PMOVZXBW m1, [dst4q+strideq*1], %1 == 4
PMOVZXBW m2, [dst4q+strideq*2], %1 == 4
PMOVZXBW m3, [dst4q+stride3q ], %1 == 4
mova [px+32*4], m0
mova [px+32*5], m1
mova [px+32*6], m2
mova [px+32*7], m3
movd [px+32*4+%1*2], m6
movd [px+32*5+%1*2], m6
movd [px+32*6+%1*2], m6
movd [px+32*7+%1*2], m6
%endif
.body_done:
; top
movifnidn topq, r3mp
test edgeb, 4 ; have_top
jz .no_top
test edgeb, 1 ; have_left
jz .top_no_left
test edgeb, 2 ; have_right
jz .top_no_right
%if %1 == 4
PMOVZXBW m0, [topq+strideq*0-2]
PMOVZXBW m1, [topq+strideq*1-2]
%else
movu m0, [topq+strideq*0-4]
movu m1, [topq+strideq*1-4]
punpckhbw m2, m0, m7
punpcklbw m0, m7
punpckhbw m3, m1, m7
punpcklbw m1, m7
movu [px-32*2+8], m2
movu [px-32*1+8], m3
%endif
movu [px-32*2-%1], m0
movu [px-32*1-%1], m1
jmp .top_done
.top_no_right:
%if %1 == 4
PMOVZXBW m0, [topq+strideq*0-%1]
PMOVZXBW m1, [topq+strideq*1-%1]
movu [px-32*2-8], m0
movu [px-32*1-8], m1
%else
movu m0, [topq+strideq*0-%1]
movu m1, [topq+strideq*1-%2]
punpckhbw m2, m0, m7
punpcklbw m0, m7
punpckhbw m3, m1, m7
punpcklbw m1, m7
mova [px-32*2-16], m0
mova [px-32*2+ 0], m2
mova [px-32*1-16], m1
mova [px-32*1+ 0], m3
%endif
movd [px-32*2+%1*2], m6
movd [px-32*1+%1*2], m6
jmp .top_done
.top_no_left:
test edgeb, 2 ; have_right
jz .top_no_left_right
%if %1 == 4
PMOVZXBW m0, [topq+strideq*0]
PMOVZXBW m1, [topq+strideq*1]
%else
movu m0, [topq+strideq*0]
movu m1, [topq+strideq*1]
punpckhbw m2, m0, m7
punpcklbw m0, m7
punpckhbw m3, m1, m7
punpcklbw m1, m7
movd [px-32*2+16], m2
movd [px-32*1+16], m3
%endif
movd [px-32*2- 4], m6
movd [px-32*1- 4], m6
mova [px-32*2+ 0], m0
mova [px-32*1+ 0], m1
jmp .top_done
.top_no_left_right:
PMOVZXBW m0, [topq+strideq*0], %1 == 4
PMOVZXBW m1, [topq+strideq*1], %1 == 4
movd [px-32*2-4], m6
movd [px-32*1-4], m6
mova [px-32*2+0], m0
mova [px-32*1+0], m1
movd [px-32*2+%1*2], m6
movd [px-32*1+%1*2], m6
jmp .top_done
.no_top:
movu [px-32*2- 4], m6
movu [px-32*1- 4], m6
%if %1 == 8
movq [px-32*2+12], m6
movq [px-32*1+12], m6
%endif
.top_done:
; left
test edgeb, 1 ; have_left
jz .no_left
movifnidn leftq, leftmp
%if %2 == 4
movq m0, [leftq]
%else
movu m0, [leftq]
%endif
%if %2 == 4
punpcklbw m0, m7
%else
punpckhbw m1, m0, m7
punpcklbw m0, m7
movhlps m3, m1
movd [px+32*4-4], m1
movd [px+32*6-4], m3
psrlq m1, 32
psrlq m3, 32
movd [px+32*5-4], m1
movd [px+32*7-4], m3
%endif
movhlps m2, m0
movd [px+32*0-4], m0
movd [px+32*2-4], m2
psrlq m0, 32
psrlq m2, 32
movd [px+32*1-4], m0
movd [px+32*3-4], m2
jmp .left_done
.no_left:
movd [px+32*0-4], m6
movd [px+32*1-4], m6
movd [px+32*2-4], m6
movd [px+32*3-4], m6
%if %2 == 8
movd [px+32*4-4], m6
movd [px+32*5-4], m6
movd [px+32*6-4], m6
movd [px+32*7-4], m6
%endif
.left_done:
; bottom
%if ARCH_X86_64
DEFINE_ARGS dst, stride, dst8, dummy, pri, sec, edge, stride3
%else
DEFINE_ARGS dst, stride, dst8, edge, stride3
%endif
test edgeb, 8 ; have_bottom
jz .no_bottom
lea dst8q, [dstq+%2*strideq]
test edgeb, 1 ; have_left
jz .bottom_no_left
test edgeb, 2 ; have_right
jz .bottom_no_right
%if %1 == 4
PMOVZXBW m0, [dst8q-(%1/2)]
PMOVZXBW m1, [dst8q+strideq-(%1/2)]
%else
movu m0, [dst8q-4]
movu m1, [dst8q+strideq-4]
punpckhbw m2, m0, m7
punpcklbw m0, m7
punpckhbw m3, m1, m7
punpcklbw m1, m7
movu [px+32*(%2+0)+8], m2
movu [px+32*(%2+1)+8], m3
%endif
movu [px+32*(%2+0)-%1], m0
movu [px+32*(%2+1)-%1], m1
jmp .bottom_done
.bottom_no_right:
%if %1 == 4
PMOVZXBW m0, [dst8q-4]
PMOVZXBW m1, [dst8q+strideq-4]
movu [px+32*(%2+0)-8], m0
movu [px+32*(%2+1)-8], m1
%else
movu m0, [dst8q-8]
movu m1, [dst8q+strideq-8]
punpckhbw m2, m0, m7
punpcklbw m0, m7
punpckhbw m3, m1, m7
punpcklbw m1, m7
mova [px+32*(%2+0)-16], m0
mova [px+32*(%2+0)+ 0], m2
mova [px+32*(%2+1)-16], m1
mova [px+32*(%2+1)+ 0], m3
movd [px+32*(%2-1)+16], m6 ; overwritten by first mova
%endif
movd [px+32*(%2+0)+%1*2], m6
movd [px+32*(%2+1)+%1*2], m6
jmp .bottom_done
.bottom_no_left:
test edgeb, 2 ; have_right
jz .bottom_no_left_right
%if %1 == 4
PMOVZXBW m0, [dst8q]
PMOVZXBW m1, [dst8q+strideq]
%else
movu m0, [dst8q]
movu m1, [dst8q+strideq]
punpckhbw m2, m0, m7
punpcklbw m0, m7
punpckhbw m3, m1, m7
punpcklbw m1, m7
mova [px+32*(%2+0)+16], m2
mova [px+32*(%2+1)+16], m3
%endif
mova [px+32*(%2+0)+ 0], m0
mova [px+32*(%2+1)+ 0], m1
movd [px+32*(%2+0)- 4], m6
movd [px+32*(%2+1)- 4], m6
jmp .bottom_done
.bottom_no_left_right:
PMOVZXBW m0, [dst8q+strideq*0], %1 == 4
PMOVZXBW m1, [dst8q+strideq*1], %1 == 4
mova [px+32*(%2+0)+ 0], m0
mova [px+32*(%2+1)+ 0], m1
movd [px+32*(%2+0)+%1*2], m6
movd [px+32*(%2+1)+%1*2], m6
movd [px+32*(%2+0)- 4], m6
movd [px+32*(%2+1)- 4], m6
jmp .bottom_done
.no_bottom:
movu [px+32*(%2+0)- 4], m6
movu [px+32*(%2+1)- 4], m6
%if %1 == 8
movq [px+32*(%2+0)+12], m6
movq [px+32*(%2+1)+12], m6
%endif
.bottom_done:
; actual filter
%if ARCH_X86_64
DEFINE_ARGS dst, stride, pridmp, damping, pri, sec
mova m13, [shufb_lohi]
%if cpuflag(ssse3)
mova m15, [pw_2048]
%else
mova m15, [pw_8]
%endif
mova m14, m6
%else
DEFINE_ARGS dst, pridmp, sec, damping, pri, tap
%xdefine m8 m1
%xdefine m9 m2
%xdefine m10 m0
%xdefine m13 [base+shufb_lohi]
%xdefine m14 OUT_OF_BOUNDS_MEM
%if cpuflag(ssse3)
%xdefine m15 [base+pw_2048]
%else
%xdefine m15 [base+pw_8]
%endif
%endif
movifnidn prid, r4m
movifnidn secd, r5m
mov dampingd, r7m
movif32 [esp+0x3C], r1d
test prid, prid
jz .sec_only
movd m1, prim
bsr pridmpd, prid
test secd, secd
jz .pri_only
movd m10, r5m
bsr secd, secd
and prid, 1
sub pridmpd, dampingd
sub secd, dampingd
xor dampingd, dampingd
add prid, prid
neg pridmpd
cmovs pridmpd, dampingd
neg secd
cmovs secd, dampingd
PSHUFB_0 m1, m7
PSHUFB_0 m10, m7
%if ARCH_X86_64
DEFINE_ARGS dst, stride, pridmp, tap, pri, sec
lea tapq, [tap_table]
MOVDDUP m11, [tapq+pridmpq*8] ; pri_shift_mask
MOVDDUP m12, [tapq+secq*8] ; sec_shift_mask
mov [rsp+0x00], pridmpq ; pri_shift
mov [rsp+0x10], secq ; sec_shift
DEFINE_ARGS dst, stride, dir, tap, pri, stk, k, off, h
%else
MOVDDUP m2, [tapq+pridmpq*8]
MOVDDUP m3, [tapq+secq*8]
mov [esp+0x04], dampingd ; zero upper 32 bits of psrlw
mov [esp+0x34], dampingd ; source operand in ACCUMULATE_TAP
mov [esp+0x00], pridmpd
mov [esp+0x30], secd
DEFINE_ARGS dst, stride, dir, stk, pri, tap, h
%define offq dstq
%define kd strided
%define kq strideq
mova [esp+0x10], m2
mova [esp+0x40], m3
mova [esp+0x20], m1
mova [esp+0x50], m10
%endif
mov dird, r6m
lea stkq, [px]
lea priq, [tapq+8*8+priq*8] ; pri_taps
mov hd, %1*%2/8
lea dirq, [tapq+dirq*2]
.v_loop:
movif32 [esp+0x38], dstd
mov kd, 1
%if %1 == 4
movq m4, [stkq+32*0]
movhps m4, [stkq+32*1]
%else
mova m4, [stkq+32*0] ; px
%endif
pxor m0, m0 ; sum
mova m7, m4 ; max
mova m8, m4 ; min
.k_loop:
MOVDDUP m2, [priq+kq*8]
%if ARCH_X86_64
ACCUMULATE_TAP 0*2, [rsp+0x00], m11, m1, m2, %1, 1
MOVDDUP m2, [tapq+12*8+kq*8]
ACCUMULATE_TAP 2*2, [rsp+0x10], m12, m10, m2, %1, 1
ACCUMULATE_TAP 6*2, [rsp+0x10], m12, m10, m2, %1, 1
%else
ACCUMULATE_TAP 0*2, [esp+0x00], [esp+0x10], [esp+0x20], m2, %1, 1
MOVDDUP m2, [tapq+12*8+kq*8]
ACCUMULATE_TAP 2*2, [esp+0x30], [esp+0x40], [esp+0x50], m2, %1, 1
MOVDDUP m2, [tapq+12*8+kq*8]
ACCUMULATE_TAP 6*2, [esp+0x30], [esp+0x40], [esp+0x50], m2, %1, 1
%endif
dec kd
jge .k_loop
movif32 dstq, [esp+0x38]
movif32 strideq, [esp+0x3C]
CDEF_FILTER_END %1, 1
dec hd
jg .v_loop
RET
.pri_only:
%if ARCH_X86_64
DEFINE_ARGS dst, stride, pridmp, damping, pri, tap, zero
lea tapq, [tap_table]
%else
DEFINE_ARGS dst, pridmp, zero, damping, pri, tap
%endif
and prid, 1
xor zerod, zerod
sub dampingd, pridmpd
cmovs dampingd, zerod
add prid, prid
PSHUFB_0 m1, m7
MOVDDUP m7, [tapq+dampingq*8]
mov [rsp+0x00], dampingq
%if ARCH_X86_64
DEFINE_ARGS dst, stride, dir, stk, pri, tap, k, off, h
%else
mov [rsp+0x04], zerod
DEFINE_ARGS dst, stride, dir, stk, pri, tap, h
%endif
mov dird, r6m
lea stkq, [px]
lea priq, [tapq+8*8+priq*8]
mov hd, %1*%2/8
lea dirq, [tapq+dirq*2]
.pri_v_loop:
movif32 [esp+0x38], dstd
mov kd, 1
%if %1 == 4
movq m4, [stkq+32*0]
movhps m4, [stkq+32*1]
%else
mova m4, [stkq+32*0]
%endif
pxor m0, m0
.pri_k_loop:
MOVDDUP m2, [priq+kq*8]
ACCUMULATE_TAP 0*2, [rsp], m7, m1, m2, %1, 0
dec kd
jge .pri_k_loop
movif32 dstq, [esp+0x38]
movif32 strideq, [esp+0x3C]
CDEF_FILTER_END %1, 0
dec hd
jg .pri_v_loop
RET
.sec_only:
%if ARCH_X86_64
DEFINE_ARGS dst, stride, dir, damping, tap, sec, zero
%else
DEFINE_ARGS dst, stride, sec, damping, dir, tap, zero
%endif
movd m1, r5m
bsr secd, secd
mov dird, r6m
xor zerod, zerod
sub dampingd, secd
cmovs dampingd, zerod
PSHUFB_0 m1, m7
%if ARCH_X86_64
lea tapq, [tap_table]
%else
mov [rsp+0x04], zerod
%endif
mov [rsp+0x00], dampingq
MOVDDUP m7, [tapq+dampingq*8]
lea dirq, [tapq+dirq*2]
%if ARCH_X86_64
DEFINE_ARGS dst, stride, dir, stk, tap, off, k, h
%else
DEFINE_ARGS dst, stride, off, stk, dir, tap, h
%endif
lea stkq, [px]
mov hd, %1*%2/8
.sec_v_loop:
mov kd, 1
%if %1 == 4
movq m4, [stkq+32*0]
movhps m4, [stkq+32*1]
%else
mova m4, [stkq+32*0]
%endif
pxor m0, m0
.sec_k_loop:
MOVDDUP m2, [tapq+12*8+kq*8]
ACCUMULATE_TAP 2*2, [rsp], m7, m1, m2, %1, 0
%if ARCH_X86_32
MOVDDUP m2, [tapq+12*8+kq*8]
%endif
ACCUMULATE_TAP 6*2, [rsp], m7, m1, m2, %1, 0
dec kd
jge .sec_k_loop
movif32 strideq, [esp+0x3C]
CDEF_FILTER_END %1, 0
dec hd
jg .sec_v_loop
RET
%endmacro
%macro MULLD 2
%if cpuflag(sse4)
pmulld %1, %2
%else
%if ARCH_X86_32
%define m15 m1
%endif
pmulhuw m15, %1, %2
pmullw %1, %2
pslld m15, 16
paddd %1, m15
%endif
%endmacro
%macro CDEF_DIR 0
%if ARCH_X86_64
cglobal cdef_dir_8bpc, 3, 5, 16, 32, src, stride, var, stride3
lea stride3q, [strideq*3]
movq m1, [srcq+strideq*0]
movhps m1, [srcq+strideq*1]
movq m3, [srcq+strideq*2]
movhps m3, [srcq+stride3q]
lea srcq, [srcq+strideq*4]
movq m5, [srcq+strideq*0]
movhps m5, [srcq+strideq*1]
movq m7, [srcq+strideq*2]
movhps m7, [srcq+stride3q]
pxor m8, m8
psadbw m0, m1, m8
psadbw m2, m3, m8
psadbw m4, m5, m8
psadbw m6, m7, m8
packssdw m0, m2
packssdw m4, m6
packssdw m0, m4
SWAP m0, m9
punpcklbw m0, m1, m8
punpckhbw m1, m8
punpcklbw m2, m3, m8
punpckhbw m3, m8
punpcklbw m4, m5, m8
punpckhbw m5, m8
punpcklbw m6, m7, m8
punpckhbw m7, m8
mova m8, [pw_128]
psubw m0, m8
psubw m1, m8
psubw m2, m8
psubw m3, m8
psubw m4, m8
psubw m5, m8
psubw m6, m8
psubw m7, m8
psllw m8, 3
psubw m9, m8 ; partial_sum_hv[0]
paddw m8, m0, m1
paddw m10, m2, m3
paddw m8, m4
paddw m10, m5
paddw m8, m6
paddw m10, m7
paddw m8, m10 ; partial_sum_hv[1]
pmaddwd m8, m8
pmaddwd m9, m9
phaddd m9, m8
SWAP m8, m9
MULLD m8, [div_table%+SUFFIX+48]
pslldq m9, m1, 2
psrldq m10, m1, 14
pslldq m11, m2, 4
psrldq m12, m2, 12
pslldq m13, m3, 6
psrldq m14, m3, 10
paddw m9, m0
paddw m10, m12
paddw m11, m13
paddw m10, m14 ; partial_sum_diag[0] top/right half
paddw m9, m11 ; partial_sum_diag[0] top/left half
pslldq m11, m4, 8
psrldq m12, m4, 8
pslldq m13, m5, 10
psrldq m14, m5, 6
paddw m9, m11
paddw m10, m12
paddw m9, m13
paddw m10, m14
pslldq m11, m6, 12
psrldq m12, m6, 4
pslldq m13, m7, 14
psrldq m14, m7, 2
paddw m9, m11
paddw m10, m12
paddw m9, m13 ; partial_sum_diag[0][0-7]
paddw m10, m14 ; partial_sum_diag[0][8-14,zero]
pshufb m10, [shufw_6543210x]
punpckhwd m11, m9, m10
punpcklwd m9, m10
pmaddwd m11, m11
pmaddwd m9, m9
MULLD m11, [div_table%+SUFFIX+16]
MULLD m9, [div_table%+SUFFIX+0]
paddd m9, m11 ; cost[0a-d]
pslldq m10, m0, 14
psrldq m11, m0, 2
pslldq m12, m1, 12
psrldq m13, m1, 4
pslldq m14, m2, 10
psrldq m15, m2, 6
paddw m10, m12
paddw m11, m13
paddw m10, m14
paddw m11, m15
pslldq m12, m3, 8
psrldq m13, m3, 8
pslldq m14, m4, 6
psrldq m15, m4, 10
paddw m10, m12
paddw m11, m13
paddw m10, m14
paddw m11, m15
pslldq m12, m5, 4
psrldq m13, m5, 12
pslldq m14, m6, 2
psrldq m15, m6, 14
paddw m10, m12
paddw m11, m13
paddw m10, m14
paddw m11, m15 ; partial_sum_diag[1][8-14,zero]
paddw m10, m7 ; partial_sum_diag[1][0-7]
pshufb m11, [shufw_6543210x]
punpckhwd m12, m10, m11
punpcklwd m10, m11
pmaddwd m12, m12
pmaddwd m10, m10
MULLD m12, [div_table%+SUFFIX+16]
MULLD m10, [div_table%+SUFFIX+0]
paddd m10, m12 ; cost[4a-d]
phaddd m9, m10 ; cost[0a/b,4a/b]
paddw m10, m0, m1
paddw m11, m2, m3
paddw m12, m4, m5
paddw m13, m6, m7
phaddw m0, m4
phaddw m1, m5
phaddw m2, m6
phaddw m3, m7
; m0-3 are horizontal sums (x >> 1), m10-13 are vertical sums (y >> 1)
pslldq m4, m11, 2
psrldq m5, m11, 14
pslldq m6, m12, 4
psrldq m7, m12, 12
pslldq m14, m13, 6
psrldq m15, m13, 10
paddw m4, m10
paddw m5, m7
paddw m4, m6
paddw m5, m15 ; partial_sum_alt[3] right
paddw m4, m14 ; partial_sum_alt[3] left
pshuflw m6, m5, q3012
punpckhwd m5, m4
punpcklwd m4, m6
pmaddwd m5, m5
pmaddwd m4, m4
MULLD m5, [div_table%+SUFFIX+48]
MULLD m4, [div_table%+SUFFIX+32]
paddd m4, m5 ; cost[7a-d]
pslldq m5, m10, 6
psrldq m6, m10, 10
pslldq m7, m11, 4
psrldq m10, m11, 12
pslldq m11, m12, 2
psrldq m12, 14
paddw m5, m7
paddw m6, m10
paddw m5, m11
paddw m6, m12
paddw m5, m13
pshuflw m7, m6, q3012
punpckhwd m6, m5
punpcklwd m5, m7
pmaddwd m6, m6
pmaddwd m5, m5
MULLD m6, [div_table%+SUFFIX+48]
MULLD m5, [div_table%+SUFFIX+32]
paddd m5, m6 ; cost[5a-d]
pslldq m6, m1, 2
psrldq m7, m1, 14
pslldq m10, m2, 4
psrldq m11, m2, 12
pslldq m12, m3, 6
psrldq m13, m3, 10
paddw m6, m0
paddw m7, m11
paddw m6, m10
paddw m7, m13 ; partial_sum_alt[3] right
paddw m6, m12 ; partial_sum_alt[3] left
pshuflw m10, m7, q3012
punpckhwd m7, m6
punpcklwd m6, m10
pmaddwd m7, m7
pmaddwd m6, m6
MULLD m7, [div_table%+SUFFIX+48]
MULLD m6, [div_table%+SUFFIX+32]
paddd m6, m7 ; cost[1a-d]
pshufd m0, m0, q1032
pshufd m1, m1, q1032
pshufd m2, m2, q1032
pshufd m3, m3, q1032
pslldq m10, m0, 6
psrldq m11, m0, 10
pslldq m12, m1, 4
psrldq m13, m1, 12
pslldq m14, m2, 2
psrldq m2, 14
paddw m10, m12
paddw m11, m13
paddw m10, m14
paddw m11, m2
paddw m10, m3
pshuflw m12, m11, q3012
punpckhwd m11, m10
punpcklwd m10, m12
pmaddwd m11, m11
pmaddwd m10, m10
MULLD m11, [div_table%+SUFFIX+48]
MULLD m10, [div_table%+SUFFIX+32]
paddd m10, m11 ; cost[3a-d]
phaddd m9, m8 ; cost[0,4,2,6]
phaddd m6, m10
phaddd m5, m4
phaddd m6, m5 ; cost[1,3,5,7]
pshufd m4, m9, q3120
; now find the best cost
%if cpuflag(sse4)
pmaxsd m9, m6
pshufd m0, m9, q1032
pmaxsd m0, m9
pshufd m1, m0, q2301
pmaxsd m0, m1 ; best cost
%else
pcmpgtd m0, m9, m6