| ;***************************************************************************** |
| ;* x86-optimized functions for maskedmerge 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 |
| |
| pw_128: times 8 dw 128 |
| pw_256: times 8 dw 256 |
| |
| SECTION .text |
| |
| INIT_XMM sse2 |
| %if ARCH_X86_64 |
| cglobal maskedmerge8, 8, 11, 7, bsrc, osrc, msrc, dst, blinesize, olinesize, mlinesize, dlinesize, w, h, x |
| mov wd, dword wm |
| mov hd, dword hm |
| %else |
| cglobal maskedmerge8, 5, 7, 7, bsrc, osrc, msrc, dst, blinesize, w, x |
| mov wd, r8m |
| %define olinesizeq r5mp |
| %define mlinesizeq r6mp |
| %define dlinesizeq r7mp |
| %define hd r9mp |
| %endif |
| mova m4, [pw_256] |
| mova m5, [pw_128] |
| pxor m6, m6 |
| add bsrcq, wq |
| add osrcq, wq |
| add msrcq, wq |
| add dstq, wq |
| neg wq |
| .nextrow: |
| mov xq, wq |
| |
| .loop: |
| movh m0, [bsrcq + xq] |
| movh m1, [osrcq + xq] |
| movh m3, [msrcq + xq] |
| mova m2, m4 |
| punpcklbw m0, m6 |
| punpcklbw m1, m6 |
| punpcklbw m3, m6 |
| psubw m2, m3 |
| pmullw m2, m0 |
| pmullw m1, m3 |
| paddw m1, m2 |
| paddw m1, m5 |
| psrlw m1, 8 |
| packuswb m1, m1 |
| movh [dstq + xq], m1 |
| add xq, mmsize / 2 |
| jl .loop |
| |
| add bsrcq, blinesizeq |
| add osrcq, olinesizeq |
| add msrcq, mlinesizeq |
| add dstq, dlinesizeq |
| sub hd, 1 |
| jg .nextrow |
| REP_RET |