Altivec on non darwin systems patch by Romain Dolbeau
[libav.git] / libavcodec / ppc / dsputil_altivec.h
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1/*
2 * Copyright (c) 2002 Brian Foley
3 * Copyright (c) 2002 Dieter Shirley
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
f2677d6b 19
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20#ifndef _DSPUTIL_ALTIVEC_
21#define _DSPUTIL_ALTIVEC_
22
23#include "dsputil_ppc.h"
24
25#ifdef HAVE_ALTIVEC
26
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27extern int pix_abs16x16_x2_altivec(uint8_t *pix1, uint8_t *pix2, int line_size);
28extern int pix_abs16x16_y2_altivec(uint8_t *pix1, uint8_t *pix2, int line_size);
29extern int pix_abs16x16_xy2_altivec(uint8_t *pix1, uint8_t *pix2, int line_size);
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30extern int pix_abs16x16_altivec(uint8_t *pix1, uint8_t *pix2, int line_size);
31extern int pix_abs8x8_altivec(uint8_t *pix1, uint8_t *pix2, int line_size);
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32extern int sad16x16_altivec(void *s, uint8_t *a, uint8_t *b, int stride);
33extern int sad8x8_altivec(void *s, uint8_t *a, uint8_t *b, int stride);
f2677d6b 34extern int pix_norm1_altivec(uint8_t *pix, int line_size);
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35extern int sse8_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size);
36extern int sse16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size);
ab6c65f6 37extern int pix_sum_altivec(UINT8 * pix, int line_size);
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38extern void diff_pixels_altivec(DCTELEM* block, const UINT8* s1, const UINT8* s2, int stride);
39extern void get_pixels_altivec(DCTELEM* block, const UINT8 * pixels, int line_size);
ab6c65f6 40
e629ab68 41extern void add_bytes_altivec(uint8_t *dst, uint8_t *src, int w);
db40a39a 42extern void put_pixels_clamped_altivec(const DCTELEM *block, UINT8 *restrict pixels, int line_size);
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43extern void put_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
44extern void avg_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
45extern void avg_pixels8_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h);
46extern void put_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
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47extern void put_no_rnd_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
48extern void put_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h);
49extern void put_no_rnd_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h);
e629ab68 50
db40a39a 51extern void gmc1_altivec(UINT8 *dst, UINT8 *src, int stride, int h, int x16, int y16, int rounder);
4013fcf4 52
db40a39a 53extern int has_altivec(void);
4013fcf4 54
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55// used to build registers permutation vectors (vcprm)
56// the 's' are for words in the _s_econd vector
57#define WORD_0 0x00,0x01,0x02,0x03
58#define WORD_1 0x04,0x05,0x06,0x07
59#define WORD_2 0x08,0x09,0x0a,0x0b
60#define WORD_3 0x0c,0x0d,0x0e,0x0f
61#define WORD_s0 0x10,0x11,0x12,0x13
62#define WORD_s1 0x14,0x15,0x16,0x17
63#define WORD_s2 0x18,0x19,0x1a,0x1b
64#define WORD_s3 0x1c,0x1d,0x1e,0x1f
65
3b991c54 66#ifdef CONFIG_DARWIN
4013fcf4 67#define vcprm(a,b,c,d) (const vector unsigned char)(WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d)
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68#else
69#define vcprm(a,b,c,d) (const vector unsigned char){WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d}
70#endif
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71
72// vcprmle is used to keep the same index as in the SSE version.
73// it's the same as vcprm, with the index inversed
74// ('le' is Little Endian)
75#define vcprmle(a,b,c,d) vcprm(d,c,b,a)
76
77// used to build inverse/identity vectors (vcii)
78// n is _n_egative, p is _p_ositive
79#define FLOAT_n -1.
80#define FLOAT_p 1.
81
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82
83#ifdef CONFIG_DARWIN
4013fcf4 84#define vcii(a,b,c,d) (const vector float)(FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d)
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85#else
86#define vcii(a,b,c,d) (const vector float){FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d}
87#endif
db40a39a 88
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89#else /* HAVE_ALTIVEC */
90#ifdef ALTIVEC_USE_REFERENCE_C_CODE
91#error "I can't use ALTIVEC_USE_REFERENCE_C_CODE if I don't use HAVE_ALTIVEC"
92#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
db40a39a 93#endif /* HAVE_ALTIVEC */
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94
95#endif /* _DSPUTIL_ALTIVEC_ */