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96 lines
2.9 KiB
NASM
96 lines
2.9 KiB
NASM
;*****************************************************************************
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;* x86-optimized functions for maskedclamp filter
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;*
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;* Copyright (c) 2019 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 .text
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;------------------------------------------------------------------------------
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; void ff_maskedclamp(const uint8_t *src, uint8_t *dst,
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; const uint8_t *darksrc,
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; const uint8_t *brightsrc,
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; int w, int undershoot, int overshoot)
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;------------------------------------------------------------------------------
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INIT_XMM sse2
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cglobal maskedclamp8, 5,5,5, src, dst, dark, bright, w, undershoot, overshoot
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movsxdifnidn wq, wd
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add srcq, wq
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add darkq, wq
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add brightq, wq
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add dstq, wq
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neg wq
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movd m3, r5m
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punpcklbw m3, m3
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SPLATW m3, m3
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movd m4, r6m
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punpcklbw m4, m4
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SPLATW m4, m4
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.loop:
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movu m0, [srcq + wq]
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movu m1, [darkq + wq]
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movu m2, [brightq + wq]
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psubusb m1, m3
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paddusb m2, m4
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CLIPUB m0, m1, m2
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mova [dstq + wq], m0
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add wq, mmsize
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jl .loop
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RET
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INIT_XMM sse4
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cglobal maskedclamp16, 5,5,5, src, dst, dark, bright, w, undershoot, overshoot
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shl wd, 1
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add srcq, wq
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add darkq, wq
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add brightq, wq
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add dstq, wq
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neg wq
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movd m3, r5m
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SPLATW m3, m3
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movd m4, r6m
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SPLATW m4, m4
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.loop:
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movu m0, [srcq + wq]
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movu m1, [darkq + wq]
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movu m2, [brightq + wq]
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psubusw m1, m3
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paddusw m2, m4
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pmaxuw m0, m1
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pminuw m0, m2
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mova [dstq + wq], m0
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add wq, mmsize
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jl .loop
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RET
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