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FFmpeg/libavcodec/x86/hpeldsp_init.c
Michael Niedermayer 1c788eaca9 Merge commit '831a1180785a786272cdcefb71566a770bfb879e' 
* commit '831a1180785a786272cdcefb71566a770bfb879e':
  Update dsputil- and SIMD-related comments to match reality more closely

Conflicts:
	libavcodec/x86/hpeldsp.asm
	libavutil/arm/float_dsp_init_arm.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-03-13 23:59:56 +01:00

272 lines
11 KiB
C
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/*
* SIMD-optimized halfpel functions
* Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
*/
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/hpeldsp.h"
#include "dsputil_x86.h"
void ff_put_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_pixels16_x2_mmxext(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_pixels16_x2_3dnow(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_no_rnd_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_no_rnd_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_no_rnd_pixels8_x2_exact_mmxext(uint8_t *block,
const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_no_rnd_pixels8_x2_exact_3dnow(uint8_t *block,
const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_no_rnd_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_no_rnd_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_no_rnd_pixels8_y2_exact_mmxext(uint8_t *block,
const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_no_rnd_pixels8_y2_exact_3dnow(uint8_t *block,
const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels8_3dnow(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels8_xy2_mmxext(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels8_xy2_3dnow(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
#define avg_pixels8_mmx ff_avg_pixels8_mmx
#define avg_pixels8_x2_mmx ff_avg_pixels8_x2_mmx
#define avg_pixels16_mmx ff_avg_pixels16_mmx
#define avg_pixels8_xy2_mmx ff_avg_pixels8_xy2_mmx
#define avg_pixels16_xy2_mmx ff_avg_pixels16_xy2_mmx
#define put_pixels8_mmx ff_put_pixels8_mmx
#define put_pixels16_mmx ff_put_pixels16_mmx
#define put_pixels8_xy2_mmx ff_put_pixels8_xy2_mmx
#define put_pixels16_xy2_mmx ff_put_pixels16_xy2_mmx
#define avg_no_rnd_pixels16_mmx ff_avg_pixels16_mmx
#define put_no_rnd_pixels8_mmx ff_put_pixels8_mmx
#define put_no_rnd_pixels16_mmx ff_put_pixels16_mmx
#if HAVE_INLINE_ASM
/***********************************/
/* MMX no rounding */
#define DEF(x, y) x ## _no_rnd_ ## y ## _mmx
#define SET_RND MOVQ_WONE
#define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX_NO_RND(a, b, c, d, e, f)
#define PAVGB(a, b, c, e) PAVGB_MMX_NO_RND(a, b, c, e)
#define STATIC static
#include "rnd_template.c"
#include "hpeldsp_rnd_template.c"
#undef DEF
#undef SET_RND
#undef PAVGBP
#undef PAVGB
#undef STATIC
PIXELS16(static, avg_no_rnd, , _y2, _mmx)
PIXELS16(static, put_no_rnd, , _y2, _mmx)
PIXELS16(static, avg_no_rnd, , _xy2, _mmx)
PIXELS16(static, put_no_rnd, , _xy2, _mmx)
/***********************************/
/* MMX rounding */
#define DEF(x, y) x ## _ ## y ## _mmx
#define SET_RND MOVQ_WTWO
#define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX(a, b, c, d, e, f)
#define PAVGB(a, b, c, e) PAVGB_MMX(a, b, c, e)
#include "hpeldsp_rnd_template.c"
#undef DEF
#undef SET_RND
#undef PAVGBP
#undef PAVGB
PIXELS16(static, avg, , _y2, _mmx)
PIXELS16(static, put, , _y2, _mmx)
#endif /* HAVE_INLINE_ASM */
#if HAVE_YASM
#define HPELDSP_AVG_PIXELS16(CPUEXT) \
PIXELS16(static, put_no_rnd, ff_, _x2, CPUEXT) \
PIXELS16(static, put, ff_, _y2, CPUEXT) \
PIXELS16(static, put_no_rnd, ff_, _y2, CPUEXT) \
PIXELS16(static, avg, ff_, , CPUEXT) \
PIXELS16(static, avg, ff_, _x2, CPUEXT) \
PIXELS16(static, avg, ff_, _y2, CPUEXT) \
PIXELS16(static, avg, ff_, _xy2, CPUEXT)
HPELDSP_AVG_PIXELS16(_3dnow)
HPELDSP_AVG_PIXELS16(_mmxext)
#endif /* HAVE_YASM */
#define SET_HPEL_FUNCS(PFX, IDX, SIZE, CPU) \
do { \
c->PFX ## _pixels_tab IDX [0] = PFX ## _pixels ## SIZE ## _ ## CPU; \
c->PFX ## _pixels_tab IDX [1] = PFX ## _pixels ## SIZE ## _x2_ ## CPU; \
c->PFX ## _pixels_tab IDX [2] = PFX ## _pixels ## SIZE ## _y2_ ## CPU; \
c->PFX ## _pixels_tab IDX [3] = PFX ## _pixels ## SIZE ## _xy2_ ## CPU; \
} while (0)
static void hpeldsp_init_mmx(HpelDSPContext *c, int flags, int cpu_flags)
{
#if HAVE_MMX_INLINE
SET_HPEL_FUNCS(put, [0], 16, mmx);
SET_HPEL_FUNCS(put_no_rnd, [0], 16, mmx);
SET_HPEL_FUNCS(avg, [0], 16, mmx);
SET_HPEL_FUNCS(avg_no_rnd, , 16, mmx);
SET_HPEL_FUNCS(put, [1], 8, mmx);
SET_HPEL_FUNCS(put_no_rnd, [1], 8, mmx);
SET_HPEL_FUNCS(avg, [1], 8, mmx);
#endif /* HAVE_MMX_INLINE */
}
static void hpeldsp_init_mmxext(HpelDSPContext *c, int flags, int cpu_flags)
{
#if HAVE_MMXEXT_EXTERNAL
c->put_pixels_tab[0][1] = ff_put_pixels16_x2_mmxext;
c->put_pixels_tab[0][2] = put_pixels16_y2_mmxext;
c->avg_pixels_tab[0][0] = avg_pixels16_mmxext;
c->avg_pixels_tab[0][1] = avg_pixels16_x2_mmxext;
c->avg_pixels_tab[0][2] = avg_pixels16_y2_mmxext;
c->put_pixels_tab[1][1] = ff_put_pixels8_x2_mmxext;
c->put_pixels_tab[1][2] = ff_put_pixels8_y2_mmxext;
c->avg_pixels_tab[1][0] = ff_avg_pixels8_mmxext;
c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_mmxext;
c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_mmxext;
if (!(flags & CODEC_FLAG_BITEXACT)) {
c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_mmxext;
c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_mmxext;
c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_mmxext;
c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_mmxext;
c->avg_pixels_tab[0][3] = avg_pixels16_xy2_mmxext;
c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_mmxext;
}
if (flags & CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) {
c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_mmxext;
c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_mmxext;
}
#endif /* HAVE_MMXEXT_EXTERNAL */
}
static void hpeldsp_init_3dnow(HpelDSPContext *c, int flags, int cpu_flags)
{
#if HAVE_AMD3DNOW_EXTERNAL
c->put_pixels_tab[0][1] = ff_put_pixels16_x2_3dnow;
c->put_pixels_tab[0][2] = put_pixels16_y2_3dnow;
c->avg_pixels_tab[0][0] = avg_pixels16_3dnow;
c->avg_pixels_tab[0][1] = avg_pixels16_x2_3dnow;
c->avg_pixels_tab[0][2] = avg_pixels16_y2_3dnow;
c->put_pixels_tab[1][1] = ff_put_pixels8_x2_3dnow;
c->put_pixels_tab[1][2] = ff_put_pixels8_y2_3dnow;
c->avg_pixels_tab[1][0] = ff_avg_pixels8_3dnow;
c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_3dnow;
c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_3dnow;
if (!(flags & CODEC_FLAG_BITEXACT)){
c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_3dnow;
c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_3dnow;
c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_3dnow;
c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_3dnow;
c->avg_pixels_tab[0][3] = avg_pixels16_xy2_3dnow;
c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_3dnow;
}
if (flags & CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) {
c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_3dnow;
c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_3dnow;
}
#endif /* HAVE_AMD3DNOW_EXTERNAL */
}
static void hpeldsp_init_sse2(HpelDSPContext *c, int flags, int cpu_flags)
{
#if HAVE_SSE2_EXTERNAL
if (!(cpu_flags & AV_CPU_FLAG_SSE2SLOW)) {
// these functions are slower than mmx on AMD, but faster on Intel
c->put_pixels_tab[0][0] = ff_put_pixels16_sse2;
c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_sse2;
c->avg_pixels_tab[0][0] = ff_avg_pixels16_sse2;
}
#endif /* HAVE_SSE2_EXTERNAL */
}
av_cold void ff_hpeldsp_init_x86(HpelDSPContext *c, int flags)
{
int cpu_flags = av_get_cpu_flags();
if (INLINE_MMX(cpu_flags))
hpeldsp_init_mmx(c, flags, cpu_flags);
if (EXTERNAL_AMD3DNOW(cpu_flags))
hpeldsp_init_3dnow(c, flags, cpu_flags);
if (EXTERNAL_MMXEXT(cpu_flags))
hpeldsp_init_mmxext(c, flags, cpu_flags);
if (EXTERNAL_SSE2(cpu_flags))
hpeldsp_init_sse2(c, flags, cpu_flags);
}
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