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53 lines
1.7 KiB
53 lines
1.7 KiB
;***************************************************************************** |
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;* Copyright 2016 Anton Khirnov |
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;* |
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;* This file is part of Libav. |
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;* |
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;* Libav 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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;* Libav 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 Libav; 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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