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FFmpeg/libavcodec/x86/vp9lpf.asm

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;******************************************************************************
;* VP9 loop filter SIMD optimizations
;*
;* Copyright (C) 2013-2014 Clément Bœsch <u pkh me>
;* Copyright (C) 2014 Ronald S. Bultje <rsbultje@gmail.com>
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "libavutil/x86/x86util.asm"
SECTION_RODATA
cextern pb_3
cextern pb_80
pb_4: times 16 db 0x04
pb_10: times 16 db 0x10
pb_40: times 16 db 0x40
pb_81: times 16 db 0x81
pb_f8: times 16 db 0xf8
pb_fe: times 16 db 0xfe
pb_ff: times 16 db 0xff
cextern pw_4
cextern pw_8
; with mix functions, two 8-bit thresholds are stored in a 16-bit storage,
; the following mask is used to splat both in the same register
mask_mix: times 8 db 0
times 8 db 1
mask_mix84: times 8 db 0xff
times 8 db 0x00
mask_mix48: times 8 db 0x00
times 8 db 0xff
SECTION .text
%macro SCRATCH 3
%ifdef m8
SWAP %1, %2
%else
mova [%3], m%1
%endif
%endmacro
%macro UNSCRATCH 3
%ifdef m8
SWAP %1, %2
%else
mova m%1, [%3]
%endif
%endmacro
; %1 = abs(%2-%3)
%macro ABSSUB 4 ; dst, src1 (RO), src2 (RO), tmp
%ifdef m8
psubusb %1, %3, %2
psubusb %4, %2, %3
%else
mova %1, %3
mova %4, %2
psubusb %1, %2
psubusb %4, %3
%endif
por %1, %4
%endmacro
; %1 = %1>%2
%macro CMP_GT 2-3 ; src/dst, cmp, pb_80
%if %0 == 3
pxor %1, %3
%endif
pcmpgtb %1, %2
%endmacro
; %1 = abs(%2-%3) > %4
%macro ABSSUB_GT 5-6 [pb_80]; dst, src1, src2, cmp, tmp, [pb_80]
ABSSUB %1, %2, %3, %5 ; dst = abs(src1-src2)
CMP_GT %1, %4, %6 ; dst > cmp
%endmacro
%macro MASK_APPLY 4 ; %1=new_data/dst %2=old_data %3=mask %4=tmp
pand %1, %3 ; new &= mask
pandn %4, %3, %2 ; tmp = ~mask & old
por %1, %4 ; new&mask | old&~mask
%endmacro
%macro UNPACK 4
%ifdef m8
punpck%1bw %2, %3, %4
%else
mova %2, %3
punpck%1bw %2, %4
%endif
%endmacro
%macro FILTER_SUBx2_ADDx2 11 ; %1=dst %2=h/l %3=cache %4=stack_off %5=sub1 %6=sub2 %7=add1
; %8=add2 %9=rshift, [unpack], [unpack_is_mem_on_x86_32]
psubw %3, [rsp+%4+%5*mmsize*2]
psubw %3, [rsp+%4+%6*mmsize*2]
paddw %3, [rsp+%4+%7*mmsize*2]
%ifnidn %10, ""
%if %11 == 0
punpck%2bw %1, %10, m0
%else
UNPACK %2, %1, %10, m0
%endif
mova [rsp+%4+%8*mmsize*2], %1
paddw %3, %1
%else
paddw %3, [rsp+%4+%8*mmsize*2]
%endif
psraw %1, %3, %9
%endmacro
; FIXME interleave l/h better (for instruction pairing)
%macro FILTER_INIT 9 ; tmp1, tmp2, cacheL, cacheH, dstp, stack_off, filterid, mask, source
FILTER%7_INIT %1, l, %3, %6 + 0
FILTER%7_INIT %2, h, %4, %6 + mmsize
packuswb %1, %2
MASK_APPLY %1, %9, %8, %2
mova %5, %1
%endmacro
%macro FILTER_UPDATE 12-16 "", "", "", 0 ; tmp1, tmp2, cacheL, cacheH, dstp, stack_off, -, -, +, +, rshift,
; mask, [source], [unpack + src], [unpack_is_mem_on_x86_32]
; FIXME interleave this properly with the subx2/addx2
%ifnidn %15, ""
%if %16 == 0 || ARCH_X86_64
mova %14, %15
%endif
%endif
FILTER_SUBx2_ADDx2 %1, l, %3, %6 + 0, %7, %8, %9, %10, %11, %14, %16
FILTER_SUBx2_ADDx2 %2, h, %4, %6 + mmsize, %7, %8, %9, %10, %11, %14, %16
packuswb %1, %2
%ifnidn %13, ""
MASK_APPLY %1, %13, %12, %2
%else
MASK_APPLY %1, %5, %12, %2
%endif
mova %5, %1
%endmacro
%macro SRSHIFT3B_2X 4 ; reg1, reg2, [pb_10], tmp
mova %4, [pb_f8]
pand %1, %4
pand %2, %4
psrlq %1, 3
psrlq %2, 3
pxor %1, %3
pxor %2, %3
psubb %1, %3
psubb %2, %3
%endmacro
%macro EXTRACT_POS_NEG 3 ; i8, neg, pos
pxor %3, %3
pxor %2, %2
pcmpgtb %3, %1 ; i8 < 0 mask
psubb %2, %1 ; neg values (only the originally - will be kept)
pand %2, %3 ; negative values of i8 (but stored as +)
pandn %3, %1 ; positive values of i8
%endmacro
; clip_u8(u8 + i8)
%macro SIGN_ADD 4 ; dst, u8, i8, tmp1
EXTRACT_POS_NEG %3, %4, %1
paddusb %1, %2 ; add the positives
psubusb %1, %4 ; sub the negatives
%endmacro
; clip_u8(u8 - i8)
%macro SIGN_SUB 4 ; dst, u8, i8, tmp1
EXTRACT_POS_NEG %3, %1, %4
paddusb %1, %2 ; add the negatives
psubusb %1, %4 ; sub the positives
%endmacro
%macro FILTER6_INIT 4 ; %1=dst %2=h/l %3=cache, %4=stack_off
UNPACK %2, %1, rp3, m0 ; p3: B->W
mova [rsp+%4+0*mmsize*2], %1
paddw %3, %1, %1 ; p3*2
paddw %3, %1 ; p3*3
punpck%2bw %1, m1, m0 ; p2: B->W
mova [rsp+%4+1*mmsize*2], %1
paddw %3, %1 ; p3*3 + p2
paddw %3, %1 ; p3*3 + p2*2
UNPACK %2, %1, rp1, m0 ; p1: B->W
mova [rsp+%4+2*mmsize*2], %1
paddw %3, %1 ; p3*3 + p2*2 + p1
UNPACK %2, %1, rp0, m0 ; p0: B->W
mova [rsp+%4+3*mmsize*2], %1
paddw %3, %1 ; p3*3 + p2*2 + p1 + p0
UNPACK %2, %1, rq0, m0 ; q0: B->W
mova [rsp+%4+4*mmsize*2], %1
paddw %3, %1 ; p3*3 + p2*2 + p1 + p0 + q0
paddw %3, [pw_4] ; p3*3 + p2*2 + p1 + p0 + q0 + 4
psraw %1, %3, 3 ; (p3*3 + p2*2 + p1 + p0 + q0 + 4) >> 3
%endmacro
%macro FILTER14_INIT 4 ; %1=dst %2=h/l %3=cache, %4=stack_off
punpck%2bw %1, m2, m0 ; p7: B->W
mova [rsp+%4+ 8*mmsize*2], %1
psllw %3, %1, 3 ; p7*8
psubw %3, %1 ; p7*7
punpck%2bw %1, m3, m0 ; p6: B->W
mova [rsp+%4+ 9*mmsize*2], %1
paddw %3, %1 ; p7*7 + p6
paddw %3, %1 ; p7*7 + p6*2
UNPACK %2, %1, rp5, m0 ; p5: B->W
mova [rsp+%4+10*mmsize*2], %1
paddw %3, %1 ; p7*7 + p6*2 + p5
UNPACK %2, %1, rp4, m0 ; p4: B->W
mova [rsp+%4+11*mmsize*2], %1
paddw %3, %1 ; p7*7 + p6*2 + p5 + p4
paddw %3, [rsp+%4+ 0*mmsize*2] ; p7*7 + p6*2 + p5 + p4 + p3
paddw %3, [rsp+%4+ 1*mmsize*2] ; p7*7 + p6*2 + p5 + .. + p2
paddw %3, [rsp+%4+ 2*mmsize*2] ; p7*7 + p6*2 + p5 + .. + p1
paddw %3, [rsp+%4+ 3*mmsize*2] ; p7*7 + p6*2 + p5 + .. + p0
paddw %3, [rsp+%4+ 4*mmsize*2] ; p7*7 + p6*2 + p5 + .. + p0 + q0
paddw %3, [pw_8] ; p7*7 + p6*2 + p5 + .. + p0 + q0 + 8
psraw %1, %3, 4 ; (p7*7 + p6*2 + p5 + .. + p0 + q0 + 8) >> 4
%endmacro
%macro TRANSPOSE16x16B 17
mova %17, m%16
SBUTTERFLY bw, %1, %2, %16
SBUTTERFLY bw, %3, %4, %16
SBUTTERFLY bw, %5, %6, %16
SBUTTERFLY bw, %7, %8, %16
SBUTTERFLY bw, %9, %10, %16
SBUTTERFLY bw, %11, %12, %16
SBUTTERFLY bw, %13, %14, %16
mova m%16, %17
mova %17, m%14
SBUTTERFLY bw, %15, %16, %14
SBUTTERFLY wd, %1, %3, %14
SBUTTERFLY wd, %2, %4, %14
SBUTTERFLY wd, %5, %7, %14
SBUTTERFLY wd, %6, %8, %14
SBUTTERFLY wd, %9, %11, %14
SBUTTERFLY wd, %10, %12, %14
SBUTTERFLY wd, %13, %15, %14
mova m%14, %17
mova %17, m%12
SBUTTERFLY wd, %14, %16, %12
SBUTTERFLY dq, %1, %5, %12
SBUTTERFLY dq, %2, %6, %12
SBUTTERFLY dq, %3, %7, %12
SBUTTERFLY dq, %4, %8, %12
SBUTTERFLY dq, %9, %13, %12
SBUTTERFLY dq, %10, %14, %12
SBUTTERFLY dq, %11, %15, %12
mova m%12, %17
mova %17, m%8
SBUTTERFLY dq, %12, %16, %8
SBUTTERFLY qdq, %1, %9, %8
SBUTTERFLY qdq, %2, %10, %8
SBUTTERFLY qdq, %3, %11, %8
SBUTTERFLY qdq, %4, %12, %8
SBUTTERFLY qdq, %5, %13, %8
SBUTTERFLY qdq, %6, %14, %8
SBUTTERFLY qdq, %7, %15, %8
mova m%8, %17
mova %17, m%1
SBUTTERFLY qdq, %8, %16, %1
mova m%1, %17
SWAP %2, %9
SWAP %3, %5
SWAP %4, %13
SWAP %6, %11
SWAP %8, %15
SWAP %12, %14
%endmacro
%macro TRANSPOSE8x8B 13
SBUTTERFLY bw, %1, %2, %7
movdq%10 m%7, %9
movdqa %11, m%2
SBUTTERFLY bw, %3, %4, %2
SBUTTERFLY bw, %5, %6, %2
SBUTTERFLY bw, %7, %8, %2
SBUTTERFLY wd, %1, %3, %2
movdqa m%2, %11
movdqa %11, m%3
SBUTTERFLY wd, %2, %4, %3
SBUTTERFLY wd, %5, %7, %3
SBUTTERFLY wd, %6, %8, %3
SBUTTERFLY dq, %1, %5, %3
SBUTTERFLY dq, %2, %6, %3
movdqa m%3, %11
movh %12, m%2
movhps %13, m%2
SBUTTERFLY dq, %3, %7, %2
SBUTTERFLY dq, %4, %8, %2
SWAP %2, %5
SWAP %4, %7
%endmacro
%macro DEFINE_REAL_P7_TO_Q7 0-1 0
%define P7 dstq + 4*mstrideq + %1
%define P6 dstq + mstride3q + %1
%define P5 dstq + 2*mstrideq + %1
%define P4 dstq + mstrideq + %1
%define P3 dstq + %1
%define P2 dstq + strideq + %1
%define P1 dstq + 2* strideq + %1
%define P0 dstq + stride3q + %1
%define Q0 dstq + 4* strideq + %1
%define Q1 dst2q + mstride3q + %1
%define Q2 dst2q + 2*mstrideq + %1
%define Q3 dst2q + mstrideq + %1
%define Q4 dst2q + %1
%define Q5 dst2q + strideq + %1
%define Q6 dst2q + 2* strideq + %1
%define Q7 dst2q + stride3q + %1
%endmacro
%macro DEFINE_TRANSPOSED_P7_TO_Q7 0-1 0
%define P3 rsp + 0*mmsize + %1
%define P2 rsp + 1*mmsize + %1
%define P1 rsp + 2*mmsize + %1
%define P0 rsp + 3*mmsize + %1
%define Q0 rsp + 4*mmsize + %1
%define Q1 rsp + 5*mmsize + %1
%define Q2 rsp + 6*mmsize + %1
%define Q3 rsp + 7*mmsize + %1
%if mmsize == 16
%define P7 rsp + 8*mmsize + %1
%define P6 rsp + 9*mmsize + %1
%define P5 rsp + 10*mmsize + %1
%define P4 rsp + 11*mmsize + %1
%define Q4 rsp + 12*mmsize + %1
%define Q5 rsp + 13*mmsize + %1
%define Q6 rsp + 14*mmsize + %1
%define Q7 rsp + 15*mmsize + %1
%endif
%endmacro
; ..............AB -> AAAAAAAABBBBBBBB
%macro SPLATB_MIX 1-2 [mask_mix]
%if cpuflag(ssse3)
pshufb %1, %2
%else
punpcklbw %1, %1
punpcklwd %1, %1
punpckldq %1, %1
%endif
%endmacro
%macro LOOPFILTER 5 ; %1=v/h %2=size1 %3+%4=stack, %5=mmx/32bit stack only
%assign %%ext 0
%if ARCH_X86_32 || mmsize == 8
%assign %%ext %5
%endif
%if UNIX64
cglobal vp9_loop_filter_%1_%2_ %+ mmsize, 5, 9, 16, %3 + %4 + %%ext, dst, stride, E, I, H, mstride, dst2, stride3, mstride3
%else
%if WIN64
cglobal vp9_loop_filter_%1_%2_ %+ mmsize, 4, 8, 16, %3 + %4 + %%ext, dst, stride, E, I, mstride, dst2, stride3, mstride3
%else
cglobal vp9_loop_filter_%1_%2_ %+ mmsize, 2, 6, 16, %3 + %4 + %%ext, dst, stride, mstride, dst2, stride3, mstride3
%define Ed dword r2m
%define Id dword r3m
%endif
%define Hd dword r4m
%endif
mov mstrideq, strideq
neg mstrideq
lea stride3q, [strideq*3]
lea mstride3q, [mstrideq*3]
%ifidn %1, h
%if %2 != 16
%if mmsize == 16
%define movx movh
%else
%define movx mova
%endif
lea dstq, [dstq + 4*strideq - 4]
%else
%define movx movu
lea dstq, [dstq + 4*strideq - 8] ; go from top center (h pos) to center left (v pos)
%endif
%else
lea dstq, [dstq + 4*mstrideq]
%endif
; FIXME we shouldn't need two dts registers if mmsize == 8
lea dst2q, [dstq + 8*strideq]
DEFINE_REAL_P7_TO_Q7
%ifidn %1, h
movx m0, [P7]
movx m1, [P6]
movx m2, [P5]
movx m3, [P4]
movx m4, [P3]
movx m5, [P2]
%if (ARCH_X86_64 && mmsize == 16) || %2 > 16
movx m6, [P1]
%endif
movx m7, [P0]
%ifdef m8
movx m8, [Q0]
movx m9, [Q1]
movx m10, [Q2]
movx m11, [Q3]
movx m12, [Q4]
movx m13, [Q5]
movx m14, [Q6]
movx m15, [Q7]
DEFINE_TRANSPOSED_P7_TO_Q7
%if %2 == 16
TRANSPOSE16x16B 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, [rsp]
mova [P7], m0
mova [P6], m1
mova [P5], m2
mova [P4], m3
%else ; %2 == 44/48/84/88
; 8x16 transpose
punpcklbw m0, m1
punpcklbw m2, m3
punpcklbw m4, m5
punpcklbw m6, m7
punpcklbw m8, m9
punpcklbw m10, m11
punpcklbw m12, m13
punpcklbw m14, m15
TRANSPOSE8x8W 0, 2, 4, 6, 8, 10, 12, 14, 15
SWAP 0, 4
SWAP 2, 5
SWAP 0, 6
SWAP 0, 7
SWAP 10, 9
SWAP 12, 10
SWAP 14, 11
%endif ; %2
mova [P3], m4
mova [P2], m5
mova [P1], m6
mova [P0], m7
mova [Q0], m8
mova [Q1], m9
mova [Q2], m10
mova [Q3], m11
%if %2 == 16
mova [Q4], m12
mova [Q5], m13
mova [Q6], m14
mova [Q7], m15
%endif ; %2
%else ; x86-32
%if %2 == 16
TRANSPOSE8x8B 0, 1, 2, 3, 4, 5, 6, 7, [P1], u, [rsp+%3+%4], [rsp+64], [rsp+80]
DEFINE_TRANSPOSED_P7_TO_Q7
movh [P7], m0
movh [P5], m1
movh [P3], m2
movh [P1], m3
movh [Q2], m5
movh [Q4], m6
movh [Q6], m7
movhps [P6], m0
movhps [P4], m1
movhps [P2], m2
movhps [P0], m3
movhps [Q3], m5
movhps [Q5], m6
movhps [Q7], m7
DEFINE_REAL_P7_TO_Q7
movx m0, [Q0]
movx m1, [Q1]
movx m2, [Q2]
movx m3, [Q3]
movx m4, [Q4]
movx m5, [Q5]
movx m7, [Q7]
TRANSPOSE8x8B 0, 1, 2, 3, 4, 5, 6, 7, [Q6], u, [rsp+%3+%4], [rsp+72], [rsp+88]
DEFINE_TRANSPOSED_P7_TO_Q7 8
movh [P7], m0
movh [P5], m1
movh [P3], m2
movh [P1], m3
movh [Q2], m5
movh [Q4], m6
movh [Q6], m7
movhps [P6], m0
movhps [P4], m1
movhps [P2], m2
movhps [P0], m3
movhps [Q3], m5
movhps [Q5], m6
movhps [Q7], m7
DEFINE_TRANSPOSED_P7_TO_Q7
%elif %2 > 16 ; %2 == 44/48/84/88
punpcklbw m0, m1
punpcklbw m2, m3
punpcklbw m4, m5
punpcklbw m6, m7
movx m1, [Q0]
movx m3, [Q1]
movx m5, [Q2]
movx m7, [Q3]
punpcklbw m1, m3
punpcklbw m5, m7
movx m3, [Q4]
movx m7, [Q5]
punpcklbw m3, m7
mova [rsp], m3
movx m3, [Q6]
movx m7, [Q7]
punpcklbw m3, m7
DEFINE_TRANSPOSED_P7_TO_Q7
TRANSPOSE8x8W 0, 2, 4, 6, 1, 5, 7, 3, [rsp], [Q0], 1
mova [P3], m0
mova [P2], m2
mova [P1], m4
mova [P0], m6
mova [Q1], m5
mova [Q2], m7
mova [Q3], m3
%else ; %2 == 4 || %2 == 8
SBUTTERFLY bw, 0, 1, 6
SBUTTERFLY bw, 2, 3, 6
SBUTTERFLY bw, 4, 5, 6
mova [rsp+4*mmsize], m5
mova m6, [P1]
SBUTTERFLY bw, 6, 7, 5
DEFINE_TRANSPOSED_P7_TO_Q7
TRANSPOSE4x4W 0, 2, 4, 6, 5
mova [P3], m0
mova [P2], m2
mova [P1], m4
mova [P0], m6
mova m5, [rsp+4*mmsize]
TRANSPOSE4x4W 1, 3, 5, 7, 0
mova [Q0], m1
mova [Q1], m3
mova [Q2], m5
mova [Q3], m7
%endif ; %2
%endif ; x86-32/64
%endif ; %1 == h
; calc fm mask
%if %2 == 16 || mmsize == 8
%if cpuflag(ssse3)
pxor m0, m0
%endif
SPLATB_REG m2, I, m0 ; I I I I ...
SPLATB_REG m3, E, m0 ; E E E E ...
%else
%if cpuflag(ssse3)
mova m0, [mask_mix]
%endif
movd m2, Id
movd m3, Ed
SPLATB_MIX m2, m0
SPLATB_MIX m3, m0
%endif
mova m0, [pb_80]
pxor m2, m0
pxor m3, m0
%ifdef m8
%ifidn %1, v
mova m8, [P3]
mova m9, [P2]
mova m10, [P1]
mova m11, [P0]
mova m12, [Q0]
mova m13, [Q1]
mova m14, [Q2]
mova m15, [Q3]
%else
; In case of horizontal, P3..Q3 are already present in some registers due
; to the previous transpose, so we just swap registers.
SWAP 8, 4, 12
SWAP 9, 5, 13
SWAP 10, 6, 14
SWAP 11, 7, 15
%endif
%define rp3 m8
%define rp2 m9
%define rp1 m10
%define rp0 m11
%define rq0 m12
%define rq1 m13
%define rq2 m14
%define rq3 m15
%else
%define rp3 [P3]
%define rp2 [P2]
%define rp1 [P1]
%define rp0 [P0]
%define rq0 [Q0]
%define rq1 [Q1]
%define rq2 [Q2]
%define rq3 [Q3]
%endif
ABSSUB_GT m5, rp3, rp2, m2, m7, m0 ; m5 = abs(p3-p2) <= I
ABSSUB_GT m1, rp2, rp1, m2, m7, m0 ; m1 = abs(p2-p1) <= I
por m5, m1
ABSSUB_GT m1, rp1, rp0, m2, m7, m0 ; m1 = abs(p1-p0) <= I
por m5, m1
ABSSUB_GT m1, rq0, rq1, m2, m7, m0 ; m1 = abs(q1-q0) <= I
por m5, m1
ABSSUB_GT m1, rq1, rq2, m2, m7, m0 ; m1 = abs(q2-q1) <= I
por m5, m1
ABSSUB_GT m1, rq2, rq3, m2, m7, m0 ; m1 = abs(q3-q2) <= I
por m5, m1
ABSSUB m1, rp0, rq0, m7 ; abs(p0-q0)
paddusb m1, m1 ; abs(p0-q0) * 2
ABSSUB m2, rp1, rq1, m7 ; abs(p1-q1)
pand m2, [pb_fe] ; drop lsb so shift can work
psrlq m2, 1 ; abs(p1-q1)/2
paddusb m1, m2 ; abs(p0-q0)*2 + abs(p1-q1)/2
pxor m1, m0
pcmpgtb m1, m3
por m1, m5 ; fm final value
SWAP 1, 3
pxor m3, [pb_ff]
; (m3: fm, m8..15: p3 p2 p1 p0 q0 q1 q2 q3)
; calc flat8in (if not 44_16) and hev masks
%if %2 != 44 && %2 != 4
mova m6, [pb_81] ; [1 1 1 1 ...] ^ 0x80
ABSSUB_GT m2, rp3, rp0, m6, m5 ; abs(p3 - p0) <= 1
%ifdef m8
mova m8, [pb_80]
%define rb80 m8
%else
%define rb80 [pb_80]
%endif
ABSSUB_GT m1, rp2, rp0, m6, m5, rb80 ; abs(p2 - p0) <= 1
por m2, m1
ABSSUB m4, rp1, rp0, m5 ; abs(p1 - p0)
%if %2 <= 16
%if cpuflag(ssse3)
pxor m0, m0
%endif
SPLATB_REG m7, H, m0 ; H H H H ...
%else
movd m7, Hd
SPLATB_MIX m7
%endif
pxor m7, rb80
pxor m4, rb80
pcmpgtb m0, m4, m7 ; abs(p1 - p0) > H (1/2 hev condition)
CMP_GT m4, m6 ; abs(p1 - p0) <= 1
por m2, m4 ; (flat8in)
ABSSUB m4, rq1, rq0, m1 ; abs(q1 - q0)
pxor m4, rb80
pcmpgtb m5, m4, m7 ; abs(q1 - q0) > H (2/2 hev condition)
por m0, m5 ; hev final value
CMP_GT m4, m6 ; abs(q1 - q0) <= 1
por m2, m4 ; (flat8in)
ABSSUB_GT m1, rq2, rq0, m6, m5, rb80 ; abs(q2 - q0) <= 1
por m2, m1
ABSSUB_GT m1, rq3, rq0, m6, m5, rb80 ; abs(q3 - q0) <= 1
por m2, m1 ; flat8in final value
pxor m2, [pb_ff]
%if %2 == 84 || %2 == 48
pand m2, [mask_mix%2]
%endif
%else
mova m6, [pb_80]
%if %2 == 44
movd m7, Hd
SPLATB_MIX m7
%else
%if cpuflag(ssse3)
pxor m0, m0
%endif
SPLATB_REG m7, H, m0 ; H H H H ...
%endif
pxor m7, m6
ABSSUB m4, rp1, rp0, m1 ; abs(p1 - p0)
pxor m4, m6
pcmpgtb m0, m4, m7 ; abs(p1 - p0) > H (1/2 hev condition)
ABSSUB m4, rq1, rq0, m1 ; abs(q1 - q0)
pxor m4, m6
pcmpgtb m5, m4, m7 ; abs(q1 - q0) > H (2/2 hev condition)
por m0, m5 ; hev final value
%endif
%if %2 == 16
; (m0: hev, m2: flat8in, m3: fm, m6: pb_81, m9..15: p2 p1 p0 q0 q1 q2 q3)
; calc flat8out mask
%ifdef m8
mova m8, [P7]
mova m9, [P6]
%define rp7 m8
%define rp6 m9
%else
%define rp7 [P7]
%define rp6 [P6]
%endif
ABSSUB_GT m1, rp7, rp0, m6, m5 ; abs(p7 - p0) <= 1
ABSSUB_GT m7, rp6, rp0, m6, m5 ; abs(p6 - p0) <= 1
por m1, m7
%ifdef m8
mova m8, [P5]
mova m9, [P4]
%define rp5 m8
%define rp4 m9
%else
%define rp5 [P5]
%define rp4 [P4]
%endif
ABSSUB_GT m7, rp5, rp0, m6, m5 ; abs(p5 - p0) <= 1
por m1, m7
ABSSUB_GT m7, rp4, rp0, m6, m5 ; abs(p4 - p0) <= 1
por m1, m7
%ifdef m8
mova m14, [Q4]
mova m15, [Q5]
%define rq4 m14
%define rq5 m15
%else
%define rq4 [Q4]
%define rq5 [Q5]
%endif
ABSSUB_GT m7, rq4, rq0, m6, m5 ; abs(q4 - q0) <= 1
por m1, m7
ABSSUB_GT m7, rq5, rq0, m6, m5 ; abs(q5 - q0) <= 1
por m1, m7
%ifdef m8
mova m14, [Q6]
mova m15, [Q7]
%define rq6 m14
%define rq7 m15
%else
%define rq6 [Q6]
%define rq7 [Q7]
%endif
ABSSUB_GT m7, rq6, rq0, m6, m5 ; abs(q4 - q0) <= 1
por m1, m7
ABSSUB_GT m7, rq7, rq0, m6, m5 ; abs(q5 - q0) <= 1
por m1, m7 ; flat8out final value
pxor m1, [pb_ff]
%endif
; if (fm) {
; if (out && in) filter_14()
; else if (in) filter_6()
; else if (hev) filter_2()
; else filter_4()
; }
;
; f14: fm & out & in
; f6: fm & ~f14 & in => fm & ~(out & in) & in => fm & ~out & in
; f2: fm & ~f14 & ~f6 & hev => fm & ~(out & in) & ~(~out & in) & hev => fm & ~in & hev
; f4: fm & ~f14 & ~f6 & ~f2 => fm & ~(out & in) & ~(~out & in) & ~(~in & hev) => fm & ~in & ~hev
; (m0: hev, [m1: flat8out], [m2: flat8in], m3: fm, m8..15: p5 p4 p1 p0 q0 q1 q6 q7)
; filter2()
%if %2 != 44 && %2 != 4
mova m6, [pb_80] ; already in m6 if 44_16
SCRATCH 2, 15, rsp+%3+%4
%if %2 == 16
SCRATCH 1, 8, rsp+%3+%4+16
%endif
%endif
pxor m2, m6, rq0 ; q0 ^ 0x80
pxor m4, m6, rp0 ; p0 ^ 0x80
psubsb m2, m4 ; (signed) q0 - p0
pxor m4, m6, rp1 ; p1 ^ 0x80
pxor m5, m6, rq1 ; q1 ^ 0x80
psubsb m4, m5 ; (signed) p1 - q1
paddsb m4, m2 ; (q0 - p0) + (p1 - q1)
paddsb m4, m2 ; 2*(q0 - p0) + (p1 - q1)
paddsb m4, m2 ; 3*(q0 - p0) + (p1 - q1)
paddsb m6, m4, [pb_4] ; m6: f1 = clip(f + 4, 127)
paddsb m4, [pb_3] ; m4: f2 = clip(f + 3, 127)
%ifdef m8
mova m14, [pb_10] ; will be reused in filter4()
%define rb10 m14
%else
%define rb10 [pb_10]
%endif
SRSHIFT3B_2X m6, m4, rb10, m7 ; f1 and f2 sign byte shift by 3
SIGN_SUB m7, rq0, m6, m5 ; m7 = q0 - f1
SIGN_ADD m1, rp0, m4, m5 ; m1 = p0 + f2
%if %2 != 44 && %2 != 4
%ifdef m8
pandn m6, m15, m3 ; ~mask(in) & mask(fm)
%else
mova m6, [rsp+%3+%4]
pandn m6, m3
%endif
pand m6, m0 ; (~mask(in) & mask(fm)) & mask(hev)
%else
pand m6, m3, m0
%endif
MASK_APPLY m7, rq0, m6, m5 ; m7 = filter2(q0) & mask / we write it in filter4()
MASK_APPLY m1, rp0, m6, m5 ; m1 = filter2(p0) & mask / we write it in filter4()
; (m0: hev, m1: p0', m2: q0-p0, m3: fm, m7: q0', [m8: flat8out], m10..13: p1 p0 q0 q1, m14: pb_10, [m15: flat8in], )
; filter4()
mova m4, m2
paddsb m2, m4 ; 2 * (q0 - p0)
paddsb m2, m4 ; 3 * (q0 - p0)
paddsb m6, m2, [pb_4] ; m6: f1 = clip(f + 4, 127)
paddsb m2, [pb_3] ; m2: f2 = clip(f + 3, 127)
SRSHIFT3B_2X m6, m2, rb10, m4 ; f1 and f2 sign byte shift by 3
%if %2 != 44 && %2 != 4
%ifdef m8
pandn m5, m15, m3 ; ~mask(in) & mask(fm)
%else
mova m5, [rsp+%3+%4]
pandn m5, m3
%endif
pandn m0, m5 ; ~mask(hev) & (~mask(in) & mask(fm))
%else
pandn m0, m3
%endif
SIGN_SUB m5, rq0, m6, m4 ; q0 - f1
MASK_APPLY m5, m7, m0, m4 ; filter4(q0) & mask
mova [Q0], m5
SIGN_ADD m7, rp0, m2, m4 ; p0 + f2
MASK_APPLY m7, m1, m0, m4 ; filter4(p0) & mask
mova [P0], m7
paddb m6, [pb_80] ;
pxor m1, m1 ; f=(f1+1)>>1
pavgb m6, m1 ;
psubb m6, [pb_40] ;
SIGN_ADD m1, rp1, m6, m2 ; p1 + f
SIGN_SUB m4, rq1, m6, m2 ; q1 - f
MASK_APPLY m1, rp1, m0, m2 ; m1 = filter4(p1)
MASK_APPLY m4, rq1, m0, m2 ; m4 = filter4(q1)
mova [P1], m1
mova [Q1], m4
%if %2 != 44 && %2 != 4
UNSCRATCH 2, 15, rsp+%3+%4
%endif
; ([m1: flat8out], m2: flat8in, m3: fm, m10..13: p1 p0 q0 q1)
; filter6()
%if %2 != 44 && %2 != 4
pxor m0, m0
%if %2 != 16
pand m3, m2
%else
pand m2, m3 ; mask(fm) & mask(in)
%ifdef m8
pandn m3, m8, m2 ; ~mask(out) & (mask(fm) & mask(in))
%else
mova m3, [rsp+%3+%4+16]
pandn m3, m2
%endif
%endif
%ifdef m8
mova m14, [P3]
mova m9, [Q3]
%define rp3 m14
%define rq3 m9
%else
%define rp3 [P3]
%define rq3 [Q3]
%endif
mova m1, [P2]
FILTER_INIT m4, m5, m6, m7, [P2], %4, 6, m3, m1 ; [p2]
mova m1, [Q2]
FILTER_UPDATE m4, m5, m6, m7, [P1], %4, 0, 1, 2, 5, 3, m3, "", rq1, "", 1 ; [p1] -p3 -p2 +p1 +q1
FILTER_UPDATE m4, m5, m6, m7, [P0], %4, 0, 2, 3, 6, 3, m3, "", m1 ; [p0] -p3 -p1 +p0 +q2
FILTER_UPDATE m4, m5, m6, m7, [Q0], %4, 0, 3, 4, 7, 3, m3, "", rq3, "", 1 ; [q0] -p3 -p0 +q0 +q3
FILTER_UPDATE m4, m5, m6, m7, [Q1], %4, 1, 4, 5, 7, 3, m3, "" ; [q1] -p2 -q0 +q1 +q3
FILTER_UPDATE m4, m5, m6, m7, [Q2], %4, 2, 5, 6, 7, 3, m3, m1 ; [q2] -p1 -q1 +q2 +q3
%endif
%if %2 == 16
UNSCRATCH 1, 8, rsp+%3+%4+16
%endif
; (m0: 0, [m1: flat8out], m2: fm & flat8in, m8..15: q2 q3 p1 p0 q0 q1 p3 p2)
; filter14()
;
; m2 m3 m8 m9 m14 m15 m10 m11 m12 m13
;
; q2 q3 p3 p2 p1 p0 q0 q1
; p6 -7 p7 p6 p5 p4 . . . . .
; p5 -6 -p7 -p6 +p5 +q1 . . . .
; p4 -5 -p7 -p5 +p4 +q2 . . . q2
; p3 -4 -p7 -p4 +p3 +q3 . . . q3
; p2 -3 -p7 -p3 +p2 +q4 . . . q4
; p1 -2 -p7 -p2 +p1 +q5 . . . q5
; p0 -1 -p7 -p1 +p0 +q6 . . . q6
; q0 +0 -p7 -p0 +q0 +q7 . . . q7
; q1 +1 -p6 -q0 +q1 +q7 q1 . . .
; q2 +2 -p5 -q1 +q2 +q7 . q2 . .
; q3 +3 -p4 -q2 +q3 +q7 . q3 . .
; q4 +4 -p3 -q3 +q4 +q7 . q4 . .
; q5 +5 -p2 -q4 +q5 +q7 . q5 . .
; q6 +6 -p1 -q5 +q6 +q7 . q6 . .
%if %2 == 16
pand m1, m2 ; mask(out) & (mask(fm) & mask(in))
mova m2, [P7]
mova m3, [P6]
%ifdef m8
mova m8, [P5]
mova m9, [P4]
%define rp5 m8
%define rp4 m9
%define rp5s m8
%define rp4s m9
%define rp3s m14
%define rq4 m8
%define rq5 m9
%define rq6 m14
%define rq7 m15
%define rq4s m8
%define rq5s m9
%define rq6s m14
%else
%define rp5 [P5]
%define rp4 [P4]
%define rp5s ""
%define rp4s ""
%define rp3s ""
%define rq4 [Q4]
%define rq5 [Q5]
%define rq6 [Q6]
%define rq7 [Q7]
%define rq4s ""
%define rq5s ""
%define rq6s ""
%endif
FILTER_INIT m4, m5, m6, m7, [P6], %4, 14, m1, m3 ; [p6]
FILTER_UPDATE m4, m5, m6, m7, [P5], %4, 8, 9, 10, 5, 4, m1, rp5s ; [p5] -p7 -p6 +p5 +q1
FILTER_UPDATE m4, m5, m6, m7, [P4], %4, 8, 10, 11, 6, 4, m1, rp4s ; [p4] -p7 -p5 +p4 +q2
FILTER_UPDATE m4, m5, m6, m7, [P3], %4, 8, 11, 0, 7, 4, m1, rp3s ; [p3] -p7 -p4 +p3 +q3
FILTER_UPDATE m4, m5, m6, m7, [P2], %4, 8, 0, 1, 12, 4, m1, "", rq4, [Q4], 1 ; [p2] -p7 -p3 +p2 +q4
FILTER_UPDATE m4, m5, m6, m7, [P1], %4, 8, 1, 2, 13, 4, m1, "", rq5, [Q5], 1 ; [p1] -p7 -p2 +p1 +q5
FILTER_UPDATE m4, m5, m6, m7, [P0], %4, 8, 2, 3, 14, 4, m1, "", rq6, [Q6], 1 ; [p0] -p7 -p1 +p0 +q6
FILTER_UPDATE m4, m5, m6, m7, [Q0], %4, 8, 3, 4, 15, 4, m1, "", rq7, [Q7], 1 ; [q0] -p7 -p0 +q0 +q7
FILTER_UPDATE m4, m5, m6, m7, [Q1], %4, 9, 4, 5, 15, 4, m1, "" ; [q1] -p6 -q0 +q1 +q7
FILTER_UPDATE m4, m5, m6, m7, [Q2], %4, 10, 5, 6, 15, 4, m1, "" ; [q2] -p5 -q1 +q2 +q7
FILTER_UPDATE m4, m5, m6, m7, [Q3], %4, 11, 6, 7, 15, 4, m1, "" ; [q3] -p4 -q2 +q3 +q7
FILTER_UPDATE m4, m5, m6, m7, [Q4], %4, 0, 7, 12, 15, 4, m1, rq4s ; [q4] -p3 -q3 +q4 +q7
FILTER_UPDATE m4, m5, m6, m7, [Q5], %4, 1, 12, 13, 15, 4, m1, rq5s ; [q5] -p2 -q4 +q5 +q7
FILTER_UPDATE m4, m5, m6, m7, [Q6], %4, 2, 13, 14, 15, 4, m1, rq6s ; [q6] -p1 -q5 +q6 +q7
%endif
%ifidn %1, h
%if %2 == 16
mova m0, [P7]
mova m1, [P6]
mova m2, [P5]
mova m3, [P4]
mova m4, [P3]
mova m5, [P2]
%if ARCH_X86_64
mova m6, [P1]
%endif
mova m7, [P0]
%if ARCH_X86_64
mova m8, [Q0]
mova m9, [Q1]
mova m10, [Q2]
mova m11, [Q3]
mova m12, [Q4]
mova m13, [Q5]
mova m14, [Q6]
mova m15, [Q7]
TRANSPOSE16x16B 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, [rsp]
DEFINE_REAL_P7_TO_Q7
movu [P7], m0
movu [P6], m1
movu [P5], m2
movu [P4], m3
movu [P3], m4
movu [P2], m5
movu [P1], m6
movu [P0], m7
movu [Q0], m8
movu [Q1], m9
movu [Q2], m10
movu [Q3], m11
movu [Q4], m12
movu [Q5], m13
movu [Q6], m14
movu [Q7], m15
%else
DEFINE_REAL_P7_TO_Q7
TRANSPOSE8x8B 0, 1, 2, 3, 4, 5, 6, 7, [rsp+32], a, [rsp+%3+%4], [Q0], [Q1]
movh [P7], m0
movh [P5], m1
movh [P3], m2
movh [P1], m3
movh [Q2], m5
movh [Q4], m6
movh [Q6], m7
movhps [P6], m0
movhps [P4], m1
movhps [P2], m2
movhps [P0], m3
movhps [Q3], m5
movhps [Q5], m6
movhps [Q7], m7
DEFINE_TRANSPOSED_P7_TO_Q7
mova m0, [Q0]
mova m1, [Q1]
mova m2, [Q2]
mova m3, [Q3]
mova m4, [Q4]
mova m5, [Q5]
mova m7, [Q7]
DEFINE_REAL_P7_TO_Q7 8
TRANSPOSE8x8B 0, 1, 2, 3, 4, 5, 6, 7, [rsp+224], a, [rsp+%3+%4], [Q0], [Q1]
movh [P7], m0
movh [P5], m1
movh [P3], m2
movh [P1], m3
movh [Q2], m5
movh [Q4], m6
movh [Q6], m7
movhps [P6], m0
movhps [P4], m1
movhps [P2], m2
movhps [P0], m3
movhps [Q3], m5
movhps [Q5], m6
movhps [Q7], m7
%endif
%elif %2 == 44 || %2 == 4
SWAP 0, 1 ; m0 = p1
SWAP 1, 7 ; m1 = p0
SWAP 2, 5 ; m2 = q0
SWAP 3, 4 ; m3 = q1
DEFINE_REAL_P7_TO_Q7 2
SBUTTERFLY bw, 0, 1, 4
SBUTTERFLY bw, 2, 3, 4
SBUTTERFLY wd, 0, 2, 4
SBUTTERFLY wd, 1, 3, 4
%if mmsize == 16
movd [P7], m0
movd [P3], m2
movd [Q0], m1
movd [Q4], m3
psrldq m0, 4
psrldq m1, 4
psrldq m2, 4
psrldq m3, 4
movd [P6], m0
movd [P2], m2
movd [Q1], m1
movd [Q5], m3
psrldq m0, 4
psrldq m1, 4
psrldq m2, 4
psrldq m3, 4
movd [P5], m0
movd [P1], m2
movd [Q2], m1
movd [Q6], m3
psrldq m0, 4
psrldq m1, 4
psrldq m2, 4
psrldq m3, 4
movd [P4], m0
movd [P0], m2
movd [Q3], m1
movd [Q7], m3
%else
movd [P7], m0
movd [P5], m2
movd [P3], m1
movd [P1], m3
psrlq m0, 32
psrlq m2, 32
psrlq m1, 32
psrlq m3, 32
movd [P6], m0
movd [P4], m2
movd [P2], m1
movd [P0], m3
%endif
%else
; the following code do a transpose of 8 full lines to 16 half
; lines (high part). It is inlined to avoid the need of a staging area
mova m0, [P3]
mova m1, [P2]
mova m2, [P1]
mova m3, [P0]
mova m4, [Q0]
mova m5, [Q1]
%ifdef m8
mova m6, [Q2]
%endif
mova m7, [Q3]
DEFINE_REAL_P7_TO_Q7
%ifdef m8
SBUTTERFLY bw, 0, 1, 8
SBUTTERFLY bw, 2, 3, 8
SBUTTERFLY bw, 4, 5, 8
SBUTTERFLY bw, 6, 7, 8
SBUTTERFLY wd, 0, 2, 8
SBUTTERFLY wd, 1, 3, 8
SBUTTERFLY wd, 4, 6, 8
SBUTTERFLY wd, 5, 7, 8
SBUTTERFLY dq, 0, 4, 8
SBUTTERFLY dq, 1, 5, 8
SBUTTERFLY dq, 2, 6, 8
SBUTTERFLY dq, 3, 7, 8
%else
SBUTTERFLY bw, 0, 1, 6
mova [rsp+mmsize*4], m1
mova m6, [rsp+mmsize*6]
SBUTTERFLY bw, 2, 3, 1
SBUTTERFLY bw, 4, 5, 1
SBUTTERFLY bw, 6, 7, 1
SBUTTERFLY wd, 0, 2, 1
mova [rsp+mmsize*6], m2
mova m1, [rsp+mmsize*4]
SBUTTERFLY wd, 1, 3, 2
SBUTTERFLY wd, 4, 6, 2
SBUTTERFLY wd, 5, 7, 2
SBUTTERFLY dq, 0, 4, 2
SBUTTERFLY dq, 1, 5, 2
%if mmsize == 16
movh [Q0], m1
movhps [Q1], m1
%else
mova [P3], m1
%endif
mova m2, [rsp+mmsize*6]
SBUTTERFLY dq, 2, 6, 1
SBUTTERFLY dq, 3, 7, 1
%endif
SWAP 3, 6
SWAP 1, 4
%if mmsize == 16
movh [P7], m0
movhps [P6], m0
movh [P5], m1
movhps [P4], m1
movh [P3], m2
movhps [P2], m2
movh [P1], m3
movhps [P0], m3
%ifdef m8
movh [Q0], m4
movhps [Q1], m4
%endif
movh [Q2], m5
movhps [Q3], m5
movh [Q4], m6
movhps [Q5], m6
movh [Q6], m7
movhps [Q7], m7
%else
mova [P7], m0
mova [P6], m1
mova [P5], m2
mova [P4], m3
mova [P2], m5
mova [P1], m6
mova [P0], m7
%endif
%endif
%endif
RET
%endmacro
%macro LPF_16_VH 5
INIT_XMM %5
LOOPFILTER v, %1, %2, 0, %4
LOOPFILTER h, %1, %2, %3, %4
%endmacro
%macro LPF_16_VH_ALL_OPTS 4
LPF_16_VH %1, %2, %3, %4, sse2
LPF_16_VH %1, %2, %3, %4, ssse3
LPF_16_VH %1, %2, %3, %4, avx
%endmacro
LPF_16_VH_ALL_OPTS 16, 512, 256, 32
LPF_16_VH_ALL_OPTS 44, 0, 128, 0
LPF_16_VH_ALL_OPTS 48, 256, 128, 16
LPF_16_VH_ALL_OPTS 84, 256, 128, 16
LPF_16_VH_ALL_OPTS 88, 256, 128, 16
INIT_MMX mmxext
LOOPFILTER v, 4, 0, 0, 0
LOOPFILTER h, 4, 0, 64, 0
LOOPFILTER v, 8, 128, 0, 8
LOOPFILTER h, 8, 128, 64, 8