| ;****************************************************************************** |
| ;* VP9 loop filter SIMD optimizations |
| ;* |
| ;* Copyright (C) 2013-2014 Clément Bœsch <u pkh me> |
| ;* |
| ;* 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" |
| |
| %if ARCH_X86_64 |
| |
| 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 |
| |
| 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 |
| |
| ; %1 = abs(%2-%3) |
| %macro ABSSUB 4 ; dst, src1 (RO), src2 (RO), tmp |
| psubusb %1, %3, %2 |
| psubusb %4, %2, %3 |
| por %1, %4 |
| %endmacro |
| |
| ; %1 = %1<=%2 |
| %macro CMP_LTE 3-4 ; src/dst, cmp, tmp, pb_80 |
| %if %0 == 4 |
| pxor %1, %4 |
| %endif |
| pcmpgtb %3, %2, %1 ; cmp > src? |
| pcmpeqb %1, %2 ; cmp == src? XXX: avoid this with a -1/+1 well placed? |
| por %1, %3 ; cmp >= src? |
| %endmacro |
| |
| ; %1 = abs(%2-%3) <= %4 |
| %macro ABSSUB_CMP 6-7 [pb_80]; dst, src1, src2, cmp, tmp1, tmp2, [pb_80] |
| ABSSUB %1, %2, %3, %6 ; dst = abs(src1-src2) |
| CMP_LTE %1, %4, %6, %7 ; 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 FILTER_SUBx2_ADDx2 8 ; %1=dst %2=h/l %3=cache %4=sub1 %5=sub2 %6=add1 %7=add2 %8=rshift |
| punpck%2bw %3, %4, m0 |
| psubw %1, %3 |
| punpck%2bw %3, %5, m0 |
| psubw %1, %3 |
| punpck%2bw %3, %6, m0 |
| paddw %1, %3 |
| punpck%2bw %3, %7, m0 |
| paddw %3, %1 |
| psraw %1, %3, %8 |
| %endmacro |
| |
| %macro FILTER_INIT 8 ; tmp1, tmp2, cacheL, cacheH, dstp, filterid, mask, source |
| FILTER%6_INIT %1, l, %3 |
| FILTER%6_INIT %2, h, %4 |
| packuswb %1, %2 |
| MASK_APPLY %1, %8, %7, %2 |
| mova %5, %1 |
| %endmacro |
| |
| %macro FILTER_UPDATE 11-14 ; tmp1, tmp2, cacheL, cacheH, dstp, -, -, +, +, rshift, mask, [source], [preload reg + value] |
| %if %0 == 13 ; no source + preload |
| mova %12, %13 |
| %elif %0 == 14 ; source + preload |
| mova %13, %14 |
| %endif |
| FILTER_SUBx2_ADDx2 %1, l, %3, %6, %7, %8, %9, %10 |
| FILTER_SUBx2_ADDx2 %2, h, %4, %6, %7, %8, %9, %10 |
| packuswb %1, %2 |
| %if %0 == 12 || %0 == 14 |
| MASK_APPLY %1, %12, %11, %2 |
| %else |
| MASK_APPLY %1, %5, %11, %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 5 ; dst, u8, i8, tmp1, tmp2 |
| EXTRACT_POS_NEG %3, %4, %5 |
| psubusb %1, %2, %4 ; sub the negatives |
| paddusb %1, %5 ; add the positives |
| %endmacro |
| |
| ; clip_u8(u8 - i8) |
| %macro SIGN_SUB 5 ; dst, u8, i8, tmp1, tmp2 |
| EXTRACT_POS_NEG %3, %4, %5 |
| psubusb %1, %2, %5 ; sub the positives |
| paddusb %1, %4 ; add the negatives |
| %endmacro |
| |
| %macro FILTER6_INIT 3 ; %1=dst %2=h/l %3=cache |
| punpck%2bw %1, m14, m0 ; p3: B->W |
| paddw %3, %1, %1 ; p3*2 |
| paddw %3, %1 ; p3*3 |
| punpck%2bw %1, m15, m0 ; p2: B->W |
| paddw %3, %1 ; p3*3 + p2 |
| paddw %3, %1 ; p3*3 + p2*2 |
| punpck%2bw %1, m10, m0 ; p1: B->W |
| paddw %3, %1 ; p3*3 + p2*2 + p1 |
| punpck%2bw %1, m11, m0 ; p0: B->W |
| paddw %3, %1 ; p3*3 + p2*2 + p1 + p0 |
| punpck%2bw %1, m12, m0 ; q0: B->W |
| 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 3 ; %1=dst %2=h/l %3=cache |
| punpck%2bw %1, m2, m0 ; p7: B->W |
| psllw %3, %1, 3 ; p7*8 |
| psubw %3, %1 ; p7*7 |
| punpck%2bw %1, m3, m0 ; p6: B->W |
| paddw %3, %1 ; p7*7 + p6 |
| paddw %3, %1 ; p7*7 + p6*2 |
| punpck%2bw %1, m8, m0 ; p5: B->W |
| paddw %3, %1 ; p7*7 + p6*2 + p5 |
| punpck%2bw %1, m9, m0 ; p4: B->W |
| paddw %3, %1 ; p7*7 + p6*2 + p5 + p4 |
| punpck%2bw %1, m14, m0 ; p3: B->W |
| paddw %3, %1 ; p7*7 + p6*2 + p5 + p4 + p3 |
| punpck%2bw %1, m15, m0 ; p2: B->W |
| paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p2 |
| punpck%2bw %1, m10, m0 ; p1: B->W |
| paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p1 |
| punpck%2bw %1, m11, m0 ; p0: B->W |
| paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p0 |
| punpck%2bw %1, m12, m0 ; q0: B->W |
| paddw %3, %1 ; 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 |
| |
| ; transpose 16 half lines (high part) to 8 full centered lines |
| %macro TRANSPOSE16x8B 16 |
| punpcklbw m%1, m%2 |
| punpcklbw m%3, m%4 |
| punpcklbw m%5, m%6 |
| punpcklbw m%7, m%8 |
| punpcklbw m%9, m%10 |
| punpcklbw m%11, m%12 |
| punpcklbw m%13, m%14 |
| punpcklbw m%15, m%16 |
| SBUTTERFLY wd, %1, %3, %2 |
| SBUTTERFLY wd, %5, %7, %2 |
| SBUTTERFLY wd, %9, %11, %2 |
| SBUTTERFLY wd, %13, %15, %2 |
| SBUTTERFLY dq, %1, %5, %2 |
| SBUTTERFLY dq, %3, %7, %2 |
| SBUTTERFLY dq, %9, %13, %2 |
| SBUTTERFLY dq, %11, %15, %2 |
| SBUTTERFLY qdq, %1, %9, %2 |
| SBUTTERFLY qdq, %3, %11, %2 |
| SBUTTERFLY qdq, %5, %13, %2 |
| SBUTTERFLY qdq, %7, %15, %2 |
| SWAP %5, %1 |
| SWAP %6, %9 |
| SWAP %7, %1 |
| SWAP %8, %13 |
| SWAP %9, %3 |
| SWAP %10, %11 |
| SWAP %11, %1 |
| SWAP %12, %15 |
| %endmacro |
| |
| %macro DEFINE_REAL_P7_TO_Q7 0-1 0 |
| %define P7 dst1q + 2*mstrideq + %1 |
| %define P6 dst1q + mstrideq + %1 |
| %define P5 dst1q + %1 |
| %define P4 dst1q + strideq + %1 |
| %define P3 dstq + 4*mstrideq + %1 |
| %define P2 dstq + mstride3q + %1 |
| %define P1 dstq + 2*mstrideq + %1 |
| %define P0 dstq + mstrideq + %1 |
| %define Q0 dstq + %1 |
| %define Q1 dstq + strideq + %1 |
| %define Q2 dstq + 2*strideq + %1 |
| %define Q3 dstq + stride3q + %1 |
| %define Q4 dstq + 4*strideq + %1 |
| %define Q5 dst2q + mstrideq + %1 |
| %define Q6 dst2q + %1 |
| %define Q7 dst2q + strideq + %1 |
| %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 2 ; %1=v/h %2=size1 |
| lea mstrideq, [strideq] |
| neg mstrideq |
| |
| lea stride3q, [strideq+2*strideq] |
| mov mstride3q, stride3q |
| neg mstride3q |
| |
| %ifidn %1, h |
| %if %2 > 16 |
| %define movx movh |
| lea dstq, [dstq + 8*strideq - 4] |
| %else |
| %define movx movu |
| lea dstq, [dstq + 8*strideq - 8] ; go from top center (h pos) to center left (v pos) |
| %endif |
| %endif |
| |
| lea dst1q, [dstq + 2*mstride3q] ; dst1q = &dst[stride * -6] |
| lea dst2q, [dstq + 2* stride3q] ; dst2q = &dst[stride * +6] |
| |
| 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] |
| movx m6, [P1] |
| movx m7, [P0] |
| 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 P7 rsp + 0 |
| %define P6 rsp + 16 |
| %define P5 rsp + 32 |
| %define P4 rsp + 48 |
| %define P3 rsp + 64 |
| %define P2 rsp + 80 |
| %define P1 rsp + 96 |
| %define P0 rsp + 112 |
| %define Q0 rsp + 128 |
| %define Q1 rsp + 144 |
| %define Q2 rsp + 160 |
| %define Q3 rsp + 176 |
| %define Q4 rsp + 192 |
| %define Q5 rsp + 208 |
| %define Q6 rsp + 224 |
| %define Q7 rsp + 240 |
| |
| %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 |
| TRANSPOSE16x8B 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 |
| %endif |
| 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 |
| %endif |
| |
| ; calc fm mask |
| %if %2 == 16 |
| %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 |
| %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 |
| ABSSUB_CMP m5, m8, m9, m2, m6, m7, m0 ; m5 = abs(p3-p2) <= I |
| ABSSUB_CMP m1, m9, m10, m2, m6, m7, m0 ; m1 = abs(p2-p1) <= I |
| pand m5, m1 |
| ABSSUB_CMP m1, m10, m11, m2, m6, m7, m0 ; m1 = abs(p1-p0) <= I |
| pand m5, m1 |
| ABSSUB_CMP m1, m12, m13, m2, m6, m7, m0 ; m1 = abs(q1-q0) <= I |
| pand m5, m1 |
| ABSSUB_CMP m1, m13, m14, m2, m6, m7, m0 ; m1 = abs(q2-q1) <= I |
| pand m5, m1 |
| ABSSUB_CMP m1, m14, m15, m2, m6, m7, m0 ; m1 = abs(q3-q2) <= I |
| pand m5, m1 |
| ABSSUB m1, m11, m12, m7 ; abs(p0-q0) |
| paddusb m1, m1 ; abs(p0-q0) * 2 |
| ABSSUB m2, m10, m13, 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 m4, m3, m1 ; E > X? |
| pcmpeqb m3, m1 ; E == X? |
| por m3, m4 ; E >= X? |
| pand m3, m5 ; fm final value |
| |
| ; (m3: fm, m8..15: p3 p2 p1 p0 q0 q1 q2 q3) |
| ; calc flat8in (if not 44_16) and hev masks |
| mova m6, [pb_81] ; [1 1 1 1 ...] ^ 0x80 |
| %if %2 != 44 |
| ABSSUB_CMP m2, m8, m11, m6, m4, m5 ; abs(p3 - p0) <= 1 |
| mova m8, [pb_80] |
| ABSSUB_CMP m1, m9, m11, m6, m4, m5, m8 ; abs(p2 - p0) <= 1 |
| pand m2, m1 |
| ABSSUB m4, m10, m11, 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, m8 |
| pxor m4, m8 |
| pcmpgtb m0, m4, m7 ; abs(p1 - p0) > H (1/2 hev condition) |
| CMP_LTE m4, m6, m5 ; abs(p1 - p0) <= 1 |
| pand m2, m4 ; (flat8in) |
| ABSSUB m4, m13, m12, m1 ; abs(q1 - q0) |
| pxor m4, m8 |
| pcmpgtb m5, m4, m7 ; abs(q1 - q0) > H (2/2 hev condition) |
| por m0, m5 ; hev final value |
| CMP_LTE m4, m6, m5 ; abs(q1 - q0) <= 1 |
| pand m2, m4 ; (flat8in) |
| ABSSUB_CMP m1, m14, m12, m6, m4, m5, m8 ; abs(q2 - q0) <= 1 |
| pand m2, m1 |
| ABSSUB_CMP m1, m15, m12, m6, m4, m5, m8 ; abs(q3 - q0) <= 1 |
| pand m2, m1 ; flat8in final value |
| %if %2 == 84 || %2 == 48 |
| pand m2, [mask_mix%2] |
| %endif |
| %else |
| mova m6, [pb_80] |
| movd m7, Hd |
| SPLATB_MIX m7 |
| pxor m7, m6 |
| ABSSUB m4, m10, m11, m1 ; abs(p1 - p0) |
| pxor m4, m6 |
| pcmpgtb m0, m4, m7 ; abs(p1 - p0) > H (1/2 hev condition) |
| ABSSUB m4, m13, m12, 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 |
| mova m8, [P7] |
| mova m9, [P6] |
| ABSSUB_CMP m1, m8, m11, m6, m4, m5 ; abs(p7 - p0) <= 1 |
| ABSSUB_CMP m7, m9, m11, m6, m4, m5 ; abs(p6 - p0) <= 1 |
| pand m1, m7 |
| mova m8, [P5] |
| mova m9, [P4] |
| ABSSUB_CMP m7, m8, m11, m6, m4, m5 ; abs(p5 - p0) <= 1 |
| pand m1, m7 |
| ABSSUB_CMP m7, m9, m11, m6, m4, m5 ; abs(p4 - p0) <= 1 |
| pand m1, m7 |
| mova m14, [Q4] |
| mova m15, [Q5] |
| ABSSUB_CMP m7, m14, m12, m6, m4, m5 ; abs(q4 - q0) <= 1 |
| pand m1, m7 |
| ABSSUB_CMP m7, m15, m12, m6, m4, m5 ; abs(q5 - q0) <= 1 |
| pand m1, m7 |
| mova m14, [Q6] |
| mova m15, [Q7] |
| ABSSUB_CMP m7, m14, m12, m6, m4, m5 ; abs(q4 - q0) <= 1 |
| pand m1, m7 |
| ABSSUB_CMP m7, m15, m12, m6, m4, m5 ; abs(q5 - q0) <= 1 |
| pand m1, m7 ; flat8out final value |
| %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 |
| mova m6, [pb_80] ; already in m6 if 44_16 |
| %endif |
| pxor m15, m12, m6 ; q0 ^ 0x80 |
| pxor m14, m11, m6 ; p0 ^ 0x80 |
| psubsb m15, m14 ; (signed) q0 - p0 |
| pxor m4, m10, m6 ; p1 ^ 0x80 |
| pxor m5, m13, m6 ; q1 ^ 0x80 |
| psubsb m4, m5 ; (signed) p1 - q1 |
| paddsb m4, m15 ; (q0 - p0) + (p1 - q1) |
| paddsb m4, m15 ; 2*(q0 - p0) + (p1 - q1) |
| paddsb m4, m15 ; 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) |
| mova m14, [pb_10] ; will be reused in filter4() |
| SRSHIFT3B_2X m6, m4, m14, m7 ; f1 and f2 sign byte shift by 3 |
| SIGN_SUB m7, m12, m6, m5, m9 ; m7 = q0 - f1 |
| SIGN_ADD m8, m11, m4, m5, m9 ; m8 = p0 + f2 |
| %if %2 != 44 |
| pandn m6, m2, m3 ; ~mask(in) & mask(fm) |
| pand m6, m0 ; (~mask(in) & mask(fm)) & mask(hev) |
| %else |
| pand m6, m3, m0 |
| %endif |
| MASK_APPLY m7, m12, m6, m5 ; m7 = filter2(q0) & mask / we write it in filter4() |
| MASK_APPLY m8, m11, m6, m5 ; m8 = filter2(p0) & mask / we write it in filter4() |
| |
| ; (m0: hev, [m1: flat8out], [m2: flat8in], m3: fm, m7..m8: q0' p0', m10..13: p1 p0 q0 q1, m14: pb_10, m15: q0-p0) |
| ; filter4() |
| mova m4, m15 |
| paddsb m15, m4 ; 2 * (q0 - p0) |
| paddsb m15, m4 ; 3 * (q0 - p0) |
| paddsb m6, m15, [pb_4] ; m6: f1 = clip(f + 4, 127) |
| paddsb m15, [pb_3] ; m15: f2 = clip(f + 3, 127) |
| SRSHIFT3B_2X m6, m15, m14, m9 ; f1 and f2 sign byte shift by 3 |
| %if %2 != 44 |
| %define p0tmp m7 |
| %define q0tmp m9 |
| pandn m5, m2, m3 ; ~mask(in) & mask(fm) |
| pandn m0, m5 ; ~mask(hev) & (~mask(in) & mask(fm)) |
| %else |
| %define p0tmp m1 |
| %define q0tmp m2 |
| pandn m0, m3 |
| %endif |
| SIGN_SUB q0tmp, m12, m6, m4, m14 ; q0 - f1 |
| MASK_APPLY q0tmp, m7, m0, m5 ; filter4(q0) & mask |
| mova [Q0], q0tmp |
| SIGN_ADD p0tmp, m11, m15, m4, m14 ; p0 + f2 |
| MASK_APPLY p0tmp, m8, m0, m5 ; filter4(p0) & mask |
| mova [P0], p0tmp |
| paddb m6, [pb_80] ; |
| pxor m8, m8 ; f=(f1+1)>>1 |
| pavgb m6, m8 ; |
| psubb m6, [pb_40] ; |
| SIGN_ADD m7, m10, m6, m8, m9 ; p1 + f |
| SIGN_SUB m4, m13, m6, m8, m9 ; q1 - f |
| MASK_APPLY m7, m10, m0, m14 ; m7 = filter4(p1) |
| MASK_APPLY m4, m13, m0, m14 ; m4 = filter4(q1) |
| mova [P1], m7 |
| mova [Q1], m4 |
| |
| ; ([m1: flat8out], m2: flat8in, m3: fm, m10..13: p1 p0 q0 q1) |
| ; filter6() |
| %if %2 != 44 |
| pxor m0, m0 |
| %if %2 > 16 |
| pand m3, m2 |
| %else |
| pand m2, m3 ; mask(fm) & mask(in) |
| pandn m3, m1, m2 ; ~mask(out) & (mask(fm) & mask(in)) |
| %endif |
| mova m14, [P3] |
| mova m15, [P2] |
| mova m8, [Q2] |
| mova m9, [Q3] |
| FILTER_INIT m4, m5, m6, m7, [P2], 6, m3, m15 ; [p2] |
| FILTER_UPDATE m6, m7, m4, m5, [P1], m14, m15, m10, m13, 3, m3 ; [p1] -p3 -p2 +p1 +q1 |
| FILTER_UPDATE m4, m5, m6, m7, [P0], m14, m10, m11, m8, 3, m3 ; [p0] -p3 -p1 +p0 +q2 |
| FILTER_UPDATE m6, m7, m4, m5, [Q0], m14, m11, m12, m9, 3, m3 ; [q0] -p3 -p0 +q0 +q3 |
| FILTER_UPDATE m4, m5, m6, m7, [Q1], m15, m12, m13, m9, 3, m3 ; [q1] -p2 -q0 +q1 +q3 |
| FILTER_UPDATE m6, m7, m4, m5, [Q2], m10, m13, m8, m9, 3, m3, m8 ; [q2] -p1 -q1 +q2 +q3 |
| %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] |
| mova m8, [P5] |
| mova m9, [P4] |
| FILTER_INIT m4, m5, m6, m7, [P6], 14, m1, m3 |
| FILTER_UPDATE m6, m7, m4, m5, [P5], m2, m3, m8, m13, 4, m1, m8 ; [p5] -p7 -p6 +p5 +q1 |
| FILTER_UPDATE m4, m5, m6, m7, [P4], m2, m8, m9, m13, 4, m1, m9, m13, [Q2] ; [p4] -p7 -p5 +p4 +q2 |
| FILTER_UPDATE m6, m7, m4, m5, [P3], m2, m9, m14, m13, 4, m1, m14, m13, [Q3] ; [p3] -p7 -p4 +p3 +q3 |
| FILTER_UPDATE m4, m5, m6, m7, [P2], m2, m14, m15, m13, 4, m1, m13, [Q4] ; [p2] -p7 -p3 +p2 +q4 |
| FILTER_UPDATE m6, m7, m4, m5, [P1], m2, m15, m10, m13, 4, m1, m13, [Q5] ; [p1] -p7 -p2 +p1 +q5 |
| FILTER_UPDATE m4, m5, m6, m7, [P0], m2, m10, m11, m13, 4, m1, m13, [Q6] ; [p0] -p7 -p1 +p0 +q6 |
| FILTER_UPDATE m6, m7, m4, m5, [Q0], m2, m11, m12, m13, 4, m1, m13, [Q7] ; [q0] -p7 -p0 +q0 +q7 |
| FILTER_UPDATE m4, m5, m6, m7, [Q1], m3, m12, m2, m13, 4, m1, m2, [Q1] ; [q1] -p6 -q0 +q1 +q7 |
| FILTER_UPDATE m6, m7, m4, m5, [Q2], m8, m2, m3, m13, 4, m1, m3, [Q2] ; [q2] -p5 -q1 +q2 +q7 |
| FILTER_UPDATE m4, m5, m6, m7, [Q3], m9, m3, m8, m13, 4, m1, m8, m8, [Q3] ; [q3] -p4 -q2 +q3 +q7 |
| FILTER_UPDATE m6, m7, m4, m5, [Q4], m14, m8, m9, m13, 4, m1, m9, m9, [Q4] ; [q4] -p3 -q3 +q4 +q7 |
| FILTER_UPDATE m4, m5, m6, m7, [Q5], m15, m9, m14, m13, 4, m1, m14, m14, [Q5] ; [q5] -p2 -q4 +q5 +q7 |
| FILTER_UPDATE m6, m7, m4, m5, [Q6], m10, m14, m15, m13, 4, m1, m15, m15, [Q6] ; [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] |
| mova m6, [P1] |
| mova m7, [P0] |
| 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 |
| %elif %2 == 44 |
| SWAP 0, 7 ; m0 = p1 |
| SWAP 3, 4 ; m3 = q1 |
| DEFINE_REAL_P7_TO_Q7 2 |
| SBUTTERFLY bw, 0, 1, 8 |
| SBUTTERFLY bw, 2, 3, 8 |
| SBUTTERFLY wd, 0, 2, 8 |
| SBUTTERFLY wd, 1, 3, 8 |
| SBUTTERFLY dq, 0, 4, 8 |
| SBUTTERFLY dq, 1, 5, 8 |
| SBUTTERFLY dq, 2, 6, 8 |
| SBUTTERFLY dq, 3, 7, 8 |
| movd [P7], m0 |
| punpckhqdq m0, m8 |
| movd [P6], m0 |
| movd [Q0], m1 |
| punpckhqdq m1, m9 |
| movd [Q1], m1 |
| movd [P3], m2 |
| punpckhqdq m2, m10 |
| movd [P2], m2 |
| movd [Q4], m3 |
| punpckhqdq m3, m11 |
| movd [Q5], m3 |
| movd [P5], m4 |
| punpckhqdq m4, m12 |
| movd [P4], m4 |
| movd [Q2], m5 |
| punpckhqdq m5, m13 |
| movd [Q3], m5 |
| movd [P1], m6 |
| punpckhqdq m6, m14 |
| movd [P0], m6 |
| movd [Q6], m7 |
| punpckhqdq m7, m8 |
| movd [Q7], m7 |
| %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] |
| mova m6, [Q2] |
| mova m7, [Q3] |
| DEFINE_REAL_P7_TO_Q7 |
| 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 |
| movh [P7], m0 |
| punpckhqdq m0, m8 |
| movh [P6], m0 |
| movh [Q0], m1 |
| punpckhqdq m1, m9 |
| movh [Q1], m1 |
| movh [P3], m2 |
| punpckhqdq m2, m10 |
| movh [P2], m2 |
| movh [Q4], m3 |
| punpckhqdq m3, m11 |
| movh [Q5], m3 |
| movh [P5], m4 |
| punpckhqdq m4, m12 |
| movh [P4], m4 |
| movh [Q2], m5 |
| punpckhqdq m5, m13 |
| movh [Q3], m5 |
| movh [P1], m6 |
| punpckhqdq m6, m14 |
| movh [P0], m6 |
| movh [Q6], m7 |
| punpckhqdq m7, m8 |
| movh [Q7], m7 |
| %endif |
| %endif |
| |
| RET |
| %endmacro |
| |
| %macro LPF_16_VH 2 |
| INIT_XMM %2 |
| cglobal vp9_loop_filter_v_%1_16, 5,10,16, dst, stride, E, I, H, mstride, dst1, dst2, stride3, mstride3 |
| LOOPFILTER v, %1 |
| cglobal vp9_loop_filter_h_%1_16, 5,10,16, 256, dst, stride, E, I, H, mstride, dst1, dst2, stride3, mstride3 |
| LOOPFILTER h, %1 |
| %endmacro |
| |
| %macro LPF_16_VH_ALL_OPTS 1 |
| LPF_16_VH %1, sse2 |
| LPF_16_VH %1, ssse3 |
| LPF_16_VH %1, avx |
| %endmacro |
| |
| LPF_16_VH_ALL_OPTS 16 |
| LPF_16_VH_ALL_OPTS 44 |
| LPF_16_VH_ALL_OPTS 48 |
| LPF_16_VH_ALL_OPTS 84 |
| LPF_16_VH_ALL_OPTS 88 |
| |
| %endif ; x86-64 |
