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99 lines
2.9 KiB
99 lines
2.9 KiB
;****************************************************************************** |
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;* SIMD-optimized halfpel functions for VP3 |
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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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; void ff_put_no_rnd_pixels8_x2_exact(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h) |
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INIT_MMX mmxext |
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cglobal put_no_rnd_pixels8_x2_exact, 4,5 |
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lea r4, [r2*3] |
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pcmpeqb m6, m6 |
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.loop: |
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mova m0, [r1] |
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mova m2, [r1+r2] |
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mova m1, [r1+1] |
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mova m3, [r1+r2+1] |
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pxor m0, m6 |
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pxor m2, m6 |
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pxor m1, m6 |
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pxor m3, m6 |
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PAVGB m0, m1 |
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PAVGB m2, m3 |
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pxor m0, m6 |
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pxor m2, m6 |
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mova [r0], m0 |
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mova [r0+r2], m2 |
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mova m0, [r1+r2*2] |
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mova m1, [r1+r2*2+1] |
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mova m2, [r1+r4] |
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mova m3, [r1+r4+1] |
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pxor m0, m6 |
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pxor m1, m6 |
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pxor m2, m6 |
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pxor m3, m6 |
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PAVGB m0, m1 |
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PAVGB m2, m3 |
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pxor m0, m6 |
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pxor m2, m6 |
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mova [r0+r2*2], m0 |
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mova [r0+r4], m2 |
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lea r1, [r1+r2*4] |
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lea r0, [r0+r2*4] |
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sub r3d, 4 |
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jg .loop |
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REP_RET |
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; void ff_put_no_rnd_pixels8_y2_exact(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h) |
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INIT_MMX mmxext |
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cglobal put_no_rnd_pixels8_y2_exact, 4,5 |
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lea r4, [r2*3] |
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mova m0, [r1] |
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pcmpeqb m6, m6 |
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add r1, r2 |
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pxor m0, m6 |
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.loop: |
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mova m1, [r1] |
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mova m2, [r1+r2] |
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pxor m1, m6 |
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pxor m2, m6 |
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PAVGB m0, m1 |
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PAVGB m1, m2 |
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pxor m0, m6 |
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pxor m1, m6 |
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mova [r0], m0 |
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mova [r0+r2], m1 |
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mova m1, [r1+r2*2] |
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mova m0, [r1+r4] |
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pxor m1, m6 |
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pxor m0, m6 |
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PAVGB m2, m1 |
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PAVGB m1, m0 |
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pxor m2, m6 |
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pxor m1, m6 |
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mova [r0+r2*2], m2 |
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mova [r0+r4], m1 |
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lea r1, [r1+r2*4] |
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lea r0, [r0+r2*4] |
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sub r3d, 4 |
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jg .loop |
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REP_RET
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