1 /*
2 * This file is part of the Scale2x project.
3 *
4 * Copyright (C) 2001, 2002, 2003, 2004 Andrea Mazzoleni
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21 #ifndef __SCALE2X_H
22 #define __SCALE2X_H
23
24 typedef unsigned char scale2x_uint8;
25 typedef unsigned short scale2x_uint16;
26 typedef unsigned scale2x_uint32;
27
28 void scale2x_8_def(scale2x_uint8* dst0, scale2x_uint8* dst1, const scale2x_uint8* src0, const scale2x_uint8* src1, const scale2x_uint8* src2, unsigned count);
29 void scale2x_16_def(scale2x_uint16* dst0, scale2x_uint16* dst1, const scale2x_uint16* src0, const scale2x_uint16* src1, const scale2x_uint16* src2, unsigned count);
30 void scale2x_32_def(scale2x_uint32* dst0, scale2x_uint32* dst1, const scale2x_uint32* src0, const scale2x_uint32* src1, const scale2x_uint32* src2, unsigned count);
31
32 void scale2x3_8_def(scale2x_uint8* dst0, scale2x_uint8* dst1, scale2x_uint8* dst2, const scale2x_uint8* src0, const scale2x_uint8* src1, const scale2x_uint8* src2, unsigned count);
33 void scale2x3_16_def(scale2x_uint16* dst0, scale2x_uint16* dst1, scale2x_uint16* dst2, const scale2x_uint16* src0, const scale2x_uint16* src1, const scale2x_uint16* src2, unsigned count);
34 void scale2x3_32_def(scale2x_uint32* dst0, scale2x_uint32* dst1, scale2x_uint32* dst2, const scale2x_uint32* src0, const scale2x_uint32* src1, const scale2x_uint32* src2, unsigned count);
35
36 void scale2x4_8_def(scale2x_uint8* dst0, scale2x_uint8* dst1, scale2x_uint8* dst2, scale2x_uint8* dst3, const scale2x_uint8* src0, const scale2x_uint8* src1, const scale2x_uint8* src2, unsigned count);
37 void scale2x4_16_def(scale2x_uint16* dst0, scale2x_uint16* dst1, scale2x_uint16* dst2, scale2x_uint16* dst3, const scale2x_uint16* src0, const scale2x_uint16* src1, const scale2x_uint16* src2, unsigned count);
38 void scale2x4_32_def(scale2x_uint32* dst0, scale2x_uint32* dst1, scale2x_uint32* dst2, scale2x_uint32* dst3, const scale2x_uint32* src0, const scale2x_uint32* src1, const scale2x_uint32* src2, unsigned count);
39
40 #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
41
42 void scale2x_8_mmx(scale2x_uint8* dst0, scale2x_uint8* dst1, const scale2x_uint8* src0, const scale2x_uint8* src1, const scale2x_uint8* src2, unsigned count);
43 void scale2x_16_mmx(scale2x_uint16* dst0, scale2x_uint16* dst1, const scale2x_uint16* src0, const scale2x_uint16* src1, const scale2x_uint16* src2, unsigned count);
44 void scale2x_32_mmx(scale2x_uint32* dst0, scale2x_uint32* dst1, const scale2x_uint32* src0, const scale2x_uint32* src1, const scale2x_uint32* src2, unsigned count);
45
46 void scale2x3_8_mmx(scale2x_uint8* dst0, scale2x_uint8* dst1, scale2x_uint8* dst2, const scale2x_uint8* src0, const scale2x_uint8* src1, const scale2x_uint8* src2, unsigned count);
47 void scale2x3_16_mmx(scale2x_uint16* dst0, scale2x_uint16* dst1, scale2x_uint16* dst2, const scale2x_uint16* src0, const scale2x_uint16* src1, const scale2x_uint16* src2, unsigned count);
48 void scale2x3_32_mmx(scale2x_uint32* dst0, scale2x_uint32* dst1, scale2x_uint32* dst2, const scale2x_uint32* src0, const scale2x_uint32* src1, const scale2x_uint32* src2, unsigned count);
49
50 void scale2x4_8_mmx(scale2x_uint8* dst0, scale2x_uint8* dst1, scale2x_uint8* dst2, scale2x_uint8* dst3, const scale2x_uint8* src0, const scale2x_uint8* src1, const scale2x_uint8* src2, unsigned count);
51 void scale2x4_16_mmx(scale2x_uint16* dst0, scale2x_uint16* dst1, scale2x_uint16* dst2, scale2x_uint16* dst3, const scale2x_uint16* src0, const scale2x_uint16* src1, const scale2x_uint16* src2, unsigned count);
52 void scale2x4_32_mmx(scale2x_uint32* dst0, scale2x_uint32* dst1, scale2x_uint32* dst2, scale2x_uint32* dst3, const scale2x_uint32* src0, const scale2x_uint32* src1, const scale2x_uint32* src2, unsigned count);
53
54 /**
55 * End the use of the MMX instructions.
56 * This function must be called before using any floating-point operations.
57 */
scale2x_mmx_emms(void)58 static inline void scale2x_mmx_emms(void)
59 {
60 __asm__ __volatile__ (
61 "emms"
62 );
63 }
64
65 #endif
66
67 #endif
68
69