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106 lines
2.7 KiB
106 lines
2.7 KiB
;****************************************************************************** |
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;* SIMD-optimized fullpel functions |
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;* Copyright (c) 2008 Loren Merritt |
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;* Copyright (c) 2003-2013 Michael Niedermayer |
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;* Copyright (c) 2013 Daniel Kang |
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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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%macro PAVGB_MMX 4 |
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LOAD %3, %1 |
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por %3, %2 |
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pxor %2, %1 |
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pand %2, %4 |
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psrlq %2, 1 |
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psubb %3, %2 |
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SWAP %2, %3 |
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%endmacro |
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; void ff_put/avg_pixels(uint8_t *block, const uint8_t *pixels, |
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; ptrdiff_t line_size, int h) |
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%macro OP_PIXELS 2 |
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%if %2 == mmsize/2 |
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%define LOAD movh |
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%define SAVE movh |
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%define LEN mmsize |
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%else |
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%define LOAD movu |
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%define SAVE mova |
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%define LEN %2 |
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%endif |
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cglobal %1_pixels%2, 4,5,4 |
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lea r4, [r2*3] |
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%ifidn %1, avg |
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%if notcpuflag(mmxext) |
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pcmpeqd m6, m6 |
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paddb m6, m6 |
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%endif |
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%endif |
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.loop: |
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%assign %%i 0 |
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%rep LEN/mmsize |
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LOAD m0, [r1 + %%i] |
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LOAD m1, [r1+r2 + %%i] |
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LOAD m2, [r1+r2*2 + %%i] |
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LOAD m3, [r1+r4 + %%i] |
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%ifidn %1, avg |
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%if notcpuflag(mmxext) |
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PAVGB_MMX [r0 + %%i], m0, m4, m6 |
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PAVGB_MMX [r0+r2 + %%i], m1, m5, m6 |
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PAVGB_MMX [r0+r2*2 + %%i], m2, m4, m6 |
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PAVGB_MMX [r0+r4 + %%i], m3, m5, m6 |
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%else |
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pavgb m0, [r0 + %%i] |
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pavgb m1, [r0+r2 + %%i] |
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pavgb m2, [r0+r2*2 + %%i] |
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pavgb m3, [r0+r4 + %%i] |
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%endif |
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%endif |
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SAVE [r0 + %%i], m0 |
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SAVE [r0+r2 + %%i], m1 |
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SAVE [r0+r2*2 + %%i], m2 |
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SAVE [r0+r4 + %%i], m3 |
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%assign %%i %%i+mmsize |
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%endrep |
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sub r3d, 4 |
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lea r1, [r1+r2*4] |
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lea r0, [r0+r2*4] |
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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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OP_PIXELS put, 4 |
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OP_PIXELS avg, 4 |
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OP_PIXELS put, 8 |
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OP_PIXELS avg, 8 |
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OP_PIXELS put, 16 |
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OP_PIXELS avg, 16 |
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INIT_MMX mmxext |
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OP_PIXELS avg, 4 |
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OP_PIXELS avg, 8 |
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OP_PIXELS avg, 16 |
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INIT_XMM sse2 |
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OP_PIXELS put, 16 |
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OP_PIXELS avg, 16
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