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