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129 lines
3.5 KiB
129 lines
3.5 KiB
;***************************************************************************** |
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;* SIMD-optimized pixel operations |
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;***************************************************************************** |
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;* Copyright (c) 2000, 2001 Fabrice Bellard |
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;* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
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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_MMX mmx |
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; void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, ptrdiff_t line_size) |
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cglobal get_pixels, 3,4 |
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add r0, 128 |
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mov r3, -128 |
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pxor m7, m7 |
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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, m0 |
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mova m3, m2 |
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punpcklbw m0, m7 |
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punpckhbw m1, m7 |
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punpcklbw m2, m7 |
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punpckhbw m3, m7 |
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mova [r0+r3+ 0], m0 |
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mova [r0+r3+ 8], m1 |
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mova [r0+r3+16], m2 |
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mova [r0+r3+24], m3 |
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lea r1, [r1+r2*2] |
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add r3, 32 |
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js .loop |
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REP_RET |
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INIT_XMM sse2 |
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cglobal get_pixels, 3, 4, 5 |
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lea r3, [r2*3] |
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pxor m4, m4 |
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movh m0, [r1] |
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movh m1, [r1+r2] |
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movh m2, [r1+r2*2] |
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movh m3, [r1+r3] |
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lea r1, [r1+r2*4] |
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punpcklbw m0, m4 |
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punpcklbw m1, m4 |
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punpcklbw m2, m4 |
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punpcklbw m3, m4 |
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mova [r0], m0 |
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mova [r0+0x10], m1 |
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mova [r0+0x20], m2 |
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mova [r0+0x30], m3 |
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movh m0, [r1] |
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movh m1, [r1+r2*1] |
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movh m2, [r1+r2*2] |
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movh m3, [r1+r3] |
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punpcklbw m0, m4 |
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punpcklbw m1, m4 |
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punpcklbw m2, m4 |
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punpcklbw m3, m4 |
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mova [r0+0x40], m0 |
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mova [r0+0x50], m1 |
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mova [r0+0x60], m2 |
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mova [r0+0x70], m3 |
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RET |
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; void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2, |
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; int stride); |
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%macro DIFF_PIXELS 0 |
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cglobal diff_pixels, 4,5,5 |
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movsxdifnidn r3, r3d |
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pxor m4, m4 |
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add r0, 128 |
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mov r4, -128 |
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.loop: |
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movq m0, [r1] |
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movq m2, [r2] |
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%if mmsize == 8 |
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movq m1, m0 |
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movq m3, m2 |
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punpcklbw m0, m4 |
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punpckhbw m1, m4 |
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punpcklbw m2, m4 |
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punpckhbw m3, m4 |
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%else |
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movq m1, [r1+r3] |
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movq m3, [r2+r3] |
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punpcklbw m0, m4 |
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punpcklbw m1, m4 |
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punpcklbw m2, m4 |
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punpcklbw m3, m4 |
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%endif |
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psubw m0, m2 |
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psubw m1, m3 |
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mova [r0+r4+0], m0 |
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mova [r0+r4+mmsize], m1 |
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%if mmsize == 8 |
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add r1, r3 |
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add r2, r3 |
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%else |
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lea r1, [r1+r3*2] |
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lea r2, [r2+r3*2] |
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%endif |
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add r4, 2 * mmsize |
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jne .loop |
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RET |
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%endmacro |
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INIT_MMX mmx |
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DIFF_PIXELS |
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INIT_XMM sse2 |
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DIFF_PIXELS
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