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ed007ad427
This has the advantage of not violating the ABI by using MMX registers without issuing emms; it e.g. allows to remove an emms_c from bink.c. This commit uses GP registers on Unix64 (there are not enough volatile registers to do likewise on Win64) which reduces codesize and is faster on some CPUs. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
150 lines
6.5 KiB
C
150 lines
6.5 KiB
C
/*
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* SIMD-optimized halfpel functions
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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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* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
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*/
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#include <stddef.h>
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#include <stdint.h>
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/hpeldsp.h"
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#include "fpel.h"
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#include "hpeldsp.h"
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void ff_put_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_pixels16_x2_sse2(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_pixels16_x2_sse2(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_pixels16_y2_sse2(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_pixels16_y2_sse2(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels8_x2_exact_mmxext(uint8_t *block,
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const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels16_x2_sse2(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_no_rnd_pixels16_x2_sse2(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels8_y2_exact_mmxext(uint8_t *block,
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const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels16_y2_sse2(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_no_rnd_pixels16_y2_sse2(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels8_xy2_ssse3(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels16_xy2_sse2(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_no_rnd_pixels16_xy2_sse2(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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static void hpeldsp_init_mmxext(HpelDSPContext *c, int flags)
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{
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#if HAVE_MMXEXT_EXTERNAL
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c->put_pixels_tab[1][1] = ff_put_pixels8_x2_mmxext;
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c->put_pixels_tab[1][2] = ff_put_pixels8_y2_mmxext;
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c->avg_pixels_tab[1][0] = ff_avg_pixels8_mmxext;
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c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_mmxext;
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c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_mmxext;
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c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_mmxext;
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c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_mmxext;
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if (!(flags & AV_CODEC_FLAG_BITEXACT)) {
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c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_mmxext;
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c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_mmxext;
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}
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#endif /* HAVE_MMXEXT_EXTERNAL */
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}
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static void hpeldsp_init_sse2(HpelDSPContext *c, int flags)
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{
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#if HAVE_SSE2_EXTERNAL
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c->put_pixels_tab[0][0] = ff_put_pixels16_sse2;
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c->put_pixels_tab[0][1] = ff_put_pixels16_x2_sse2;
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c->put_pixels_tab[0][2] = ff_put_pixels16_y2_sse2;
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c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_sse2;
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c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_sse2;
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c->put_no_rnd_pixels_tab[0][1] = ff_put_no_rnd_pixels16_x2_sse2;
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c->put_no_rnd_pixels_tab[0][2] = ff_put_no_rnd_pixels16_y2_sse2;
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c->put_no_rnd_pixels_tab[0][3] = ff_put_no_rnd_pixels16_xy2_sse2;
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c->put_no_rnd_pixels_tab[1][0] =
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c->put_pixels_tab[1][0] = ff_put_pixels8_sse2;
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c->avg_pixels_tab[0][0] = ff_avg_pixels16_sse2;
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c->avg_pixels_tab[0][1] = ff_avg_pixels16_x2_sse2;
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c->avg_pixels_tab[0][2] = ff_avg_pixels16_y2_sse2;
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c->avg_pixels_tab[0][3] = ff_avg_pixels16_xy2_sse2;
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c->avg_no_rnd_pixels_tab[0] = ff_avg_pixels16_sse2;
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c->avg_no_rnd_pixels_tab[1] = ff_avg_no_rnd_pixels16_x2_sse2;
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c->avg_no_rnd_pixels_tab[2] = ff_avg_no_rnd_pixels16_y2_sse2;
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c->avg_no_rnd_pixels_tab[3] = ff_avg_no_rnd_pixels16_xy2_sse2;
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#endif /* HAVE_SSE2_EXTERNAL */
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}
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static void hpeldsp_init_ssse3(HpelDSPContext *c, int flags)
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{
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#if HAVE_SSSE3_EXTERNAL
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c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_ssse3;
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c->avg_pixels_tab[0][3] = ff_avg_pixels16_xy2_ssse3;
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c->put_pixels_tab[1][3] = ff_put_pixels8_xy2_ssse3;
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c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_ssse3;
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c->put_no_rnd_pixels_tab[1][3] = ff_put_no_rnd_pixels8_xy2_ssse3;
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#endif
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}
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av_cold void ff_hpeldsp_init_x86(HpelDSPContext *c, int flags)
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{
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_MMXEXT(cpu_flags))
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hpeldsp_init_mmxext(c, flags);
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if (EXTERNAL_SSE2(cpu_flags))
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hpeldsp_init_sse2(c, flags);
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if (EXTERNAL_SSSE3(cpu_flags))
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hpeldsp_init_ssse3(c, flags);
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}
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