;***************************************************************************** ;* x86-optimized functions for blend filter ;* ;* Copyright (C) 2015 Paul B Mahol ;* ;* 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 ps_255: times 4 dd 255.0 pw_1: times 8 dw 1 pw_128: times 8 dw 128 pw_255: times 8 dw 255 pb_127: times 16 db 127 pb_128: times 16 db 128 pb_255: times 16 db 255 SECTION .text %macro BLEND_INIT 2 %if ARCH_X86_64 cglobal blend_%1, 6, 9, %2, top, top_linesize, bottom, bottom_linesize, dst, dst_linesize, width, end, x mov widthd, dword widthm %else cglobal blend_%1, 5, 7, %2, top, top_linesize, bottom, bottom_linesize, dst, end, x %define dst_linesizeq r5mp %define widthq r6mp %endif mov endd, dword r7m add topq, widthq add bottomq, widthq add dstq, widthq neg widthq %endmacro %macro BLEND_END 0 add topq, top_linesizeq add bottomq, bottom_linesizeq add dstq, dst_linesizeq sub endd, 1 jg .nextrow REP_RET %endmacro %macro BLEND_SIMPLE 2 BLEND_INIT %1, 2 .nextrow: mov xq, widthq .loop: movu m0, [topq + xq] movu m1, [bottomq + xq] p%2 m0, m1 mova [dstq + xq], m0 add xq, mmsize jl .loop BLEND_END %endmacro INIT_XMM sse2 BLEND_SIMPLE xor, xor BLEND_SIMPLE or, or BLEND_SIMPLE and, and BLEND_SIMPLE addition, addusb BLEND_SIMPLE subtract, subusb BLEND_SIMPLE darken, minub BLEND_SIMPLE lighten, maxub BLEND_INIT grainextract, 4 pxor m2, m2 mova m3, [pw_128] .nextrow: mov xq, widthq .loop: movh m0, [topq + xq] movh m1, [bottomq + xq] punpcklbw m0, m2 punpcklbw m1, m2 paddw m0, m3 psubw m0, m1 packuswb m0, m0 movh [dstq + xq], m0 add xq, mmsize / 2 jl .loop BLEND_END %macro MULTIPLY 3 ; a, b, pw_1 pmullw %1, %2 ; xxxxxxxx a * b paddw %1, %3 mova %2, %1 psrlw %2, 8 paddw %1, %2 psrlw %1, 8 ; 00xx00xx a * b / 255 %endmacro %macro SCREEN 4 ; a, b, pw_1, pw_255 pxor %1, %4 ; 00xx00xx 255 - a pxor %2, %4 MULTIPLY %1, %2, %3 pxor %1, %4 ; 00xx00xx 255 - x / 255 %endmacro BLEND_INIT multiply, 4 pxor m2, m2 mova m3, [pw_1] .nextrow: mov xq, widthq .loop: ; word ; |--| movh m0, [topq + xq] ; 0000xxxx movh m1, [bottomq + xq] punpcklbw m0, m2 ; 00xx00xx punpcklbw m1, m2 MULTIPLY m0, m1, m3 packuswb m0, m0 ; 0000xxxx movh [dstq + xq], m0 add xq, mmsize / 2 jl .loop BLEND_END BLEND_INIT screen, 5 pxor m2, m2 mova m3, [pw_1] mova m4, [pw_255] .nextrow: mov xq, widthq .loop: movh m0, [topq + xq] ; 0000xxxx movh m1, [bottomq + xq] punpcklbw m0, m2 ; 00xx00xx punpcklbw m1, m2 SCREEN m0, m1, m3, m4 packuswb m0, m0 ; 0000xxxx movh [dstq + xq], m0 add xq, mmsize / 2 jl .loop BLEND_END BLEND_INIT average, 3 pxor m2, m2 .nextrow: mov xq, widthq .loop: movh m0, [topq + xq] movh m1, [bottomq + xq] punpcklbw m0, m2 punpcklbw m1, m2 paddw m0, m1 psrlw m0, 1 packuswb m0, m0 movh [dstq + xq], m0 add xq, mmsize / 2 jl .loop BLEND_END BLEND_INIT grainmerge, 4 pxor m2, m2 mova m3, [pw_128] .nextrow: mov xq, widthq .loop: movh m0, [topq + xq] movh m1, [bottomq + xq] punpcklbw m0, m2 punpcklbw m1, m2 paddw m0, m1 psubw m0, m3 packuswb m0, m0 movh [dstq + xq], m0 add xq, mmsize / 2 jl .loop BLEND_END BLEND_INIT hardmix, 5 mova m2, [pb_255] mova m3, [pb_128] mova m4, [pb_127] .nextrow: mov xq, widthq .loop: movu m0, [topq + xq] movu m1, [bottomq + xq] pxor m1, m4 pxor m0, m3 pcmpgtb m1, m0 pxor m1, m2 mova [dstq + xq], m1 add xq, mmsize jl .loop BLEND_END BLEND_INIT divide, 4 pxor m2, m2 mova m3, [ps_255] .nextrow: mov xq, widthq .loop: movd m0, [topq + xq] ; 000000xx movd m1, [bottomq + xq] punpcklbw m0, m2 ; 00000x0x punpcklbw m1, m2 punpcklwd m0, m2 ; 000x000x punpcklwd m1, m2 cvtdq2ps m0, m0 cvtdq2ps m1, m1 divps m0, m1 ; a / b mulps m0, m3 ; a / b * 255 minps m0, m3 cvttps2dq m0, m0 packssdw m0, m0 ; 00000x0x packuswb m0, m0 ; 000000xx movd [dstq + xq], m0 add xq, mmsize / 4 jl .loop BLEND_END BLEND_INIT phoenix, 4 mova m3, [pb_255] .nextrow: mov xq, widthq .loop: movu m0, [topq + xq] movu m1, [bottomq + xq] mova m2, m0 pminub m0, m1 pmaxub m1, m2 mova m2, m3 psubusb m2, m1 paddusb m2, m0 mova [dstq + xq], m2 add xq, mmsize jl .loop BLEND_END %macro BLEND_ABS 0 BLEND_INIT difference, 5 pxor m2, m2 .nextrow: mov xq, widthq .loop: movu m0, [topq + xq] movu m1, [bottomq + xq] punpckhbw m3, m0, m2 punpcklbw m0, m2 punpckhbw m4, m1, m2 punpcklbw m1, m2 psubw m0, m1 psubw m3, m4 ABS2 m0, m3, m1, m4 packuswb m0, m3 mova [dstq + xq], m0 add xq, mmsize jl .loop BLEND_END BLEND_INIT extremity, 8 pxor m2, m2 mova m4, [pw_255] .nextrow: mov xq, widthq .loop: movu m0, [topq + xq] movu m1, [bottomq + xq] punpckhbw m5, m0, m2 punpcklbw m0, m2 punpckhbw m6, m1, m2 punpcklbw m1, m2 psubw m3, m4, m0 psubw m7, m4, m5 psubw m3, m1 psubw m7, m6 ABS2 m3, m7, m1, m6 packuswb m3, m7 mova [dstq + xq], m3 add xq, mmsize jl .loop BLEND_END BLEND_INIT negation, 8 pxor m2, m2 mova m4, [pw_255] .nextrow: mov xq, widthq .loop: movu m0, [topq + xq] movu m1, [bottomq + xq] punpckhbw m5, m0, m2 punpcklbw m0, m2 punpckhbw m6, m1, m2 punpcklbw m1, m2 psubw m3, m4, m0 psubw m7, m4, m5 psubw m3, m1 psubw m7, m6 ABS2 m3, m7, m1, m6 psubw m0, m4, m3 psubw m1, m4, m7 packuswb m0, m1 mova [dstq + xq], m0 add xq, mmsize jl .loop BLEND_END %endmacro INIT_XMM sse2 BLEND_ABS INIT_XMM ssse3 BLEND_ABS