2015-09-30 21:00:14 +00:00
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;*****************************************************************************
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;* x86-optimized functions for maskedmerge filter
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;*
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;* Copyright (C) 2015 Paul B Mahol
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;*
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;* This file is part of FFmpeg.
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;*
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;* FFmpeg is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* FFmpeg is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with FFmpeg; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;*****************************************************************************
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%include "libavutil/x86/x86util.asm"
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SECTION_RODATA
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2022-03-02 21:30:40 +00:00
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pw_127: times 8 dw 127
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pw_255: times 8 dw 255
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pw_32897: times 8 dw 32897
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2015-09-30 21:00:14 +00:00
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SECTION .text
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INIT_XMM sse2
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2015-12-23 23:37:37 +00:00
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%if ARCH_X86_64
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2022-03-02 21:30:40 +00:00
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cglobal maskedmerge8, 8, 11, 8, bsrc, osrc, msrc, dst, blinesize, olinesize, mlinesize, dlinesize, w, h, x
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2015-12-23 23:37:37 +00:00
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mov wd, dword wm
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mov hd, dword hm
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%else
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2022-03-02 21:30:40 +00:00
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cglobal maskedmerge8, 5, 7, 8, bsrc, osrc, msrc, dst, blinesize, w, x
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2015-12-23 23:37:37 +00:00
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mov wd, r8m
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%define olinesizeq r5mp
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%define mlinesizeq r6mp
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%define dlinesizeq r7mp
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%define hd r9mp
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%endif
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2022-03-02 21:30:40 +00:00
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mova m4, [pw_255]
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mova m5, [pw_127]
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mova m7, [pw_32897]
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2015-09-30 21:00:14 +00:00
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pxor m6, m6
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add bsrcq, wq
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add osrcq, wq
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add msrcq, wq
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add dstq, wq
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neg wq
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2015-12-06 12:07:24 +00:00
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.nextrow:
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2015-12-23 23:37:37 +00:00
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mov xq, wq
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2015-09-30 21:00:14 +00:00
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.loop:
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2015-12-23 23:37:37 +00:00
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movh m0, [bsrcq + xq]
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movh m1, [osrcq + xq]
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movh m3, [msrcq + xq]
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2015-09-30 21:00:14 +00:00
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mova m2, m4
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punpcklbw m0, m6
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punpcklbw m1, m6
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punpcklbw m3, m6
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psubw m2, m3
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pmullw m2, m0
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pmullw m1, m3
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paddw m1, m2
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paddw m1, m5
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2022-03-02 21:30:40 +00:00
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pmulhuw m1, m7
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psrlw m1, 7
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2015-09-30 21:00:14 +00:00
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packuswb m1, m1
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2015-12-23 23:37:37 +00:00
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movh [dstq + xq], m1
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add xq, mmsize / 2
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2015-09-30 21:00:14 +00:00
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jl .loop
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add bsrcq, blinesizeq
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add osrcq, olinesizeq
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add msrcq, mlinesizeq
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add dstq, dlinesizeq
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sub hd, 1
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jg .nextrow
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REP_RET
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