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53 lines
1.7 KiB
NASM
53 lines
1.7 KiB
NASM
;*****************************************************************************
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;* Copyright 2016 Anton Khirnov
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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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INIT_XMM sse4
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cglobal image_copy_plane_uc_from, 6, 7, 4, dst, dst_linesize, src, src_linesize, bw, height, rowpos
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add dstq, bwq
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add srcq, bwq
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neg bwq
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.row_start:
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mov rowposq, bwq
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.loop:
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movntdqa m0, [srcq + rowposq + 0 * mmsize]
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movntdqa m1, [srcq + rowposq + 1 * mmsize]
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movntdqa m2, [srcq + rowposq + 2 * mmsize]
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movntdqa m3, [srcq + rowposq + 3 * mmsize]
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mova [dstq + rowposq + 0 * mmsize], m0
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mova [dstq + rowposq + 1 * mmsize], m1
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mova [dstq + rowposq + 2 * mmsize], m2
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mova [dstq + rowposq + 3 * mmsize], m3
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add rowposq, 4 * mmsize
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jnz .loop
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add srcq, src_linesizeq
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add dstq, dst_linesizeq
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dec heightd
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jnz .row_start
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RET
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