swscale: x86: Consistently use lowercase function name suffixes
[libav.git] / libswscale / x86 / yuv2rgb.c
1 /*
2 * software YUV to RGB converter
3 *
4 * Copyright (C) 2009 Konstantin Shishkov
5 *
6 * MMX/MMXEXT template stuff (needed for fast movntq support),
7 * 1,4,8bpp support and context / deglobalize stuff
8 * by Michael Niedermayer (michaelni@gmx.at)
9 *
10 * This file is part of Libav.
11 *
12 * Libav is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
16 *
17 * Libav is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with Libav; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 */
26
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <inttypes.h>
30 #include <assert.h>
31
32 #include "config.h"
33 #include "libswscale/rgb2rgb.h"
34 #include "libswscale/swscale.h"
35 #include "libswscale/swscale_internal.h"
36 #include "libavutil/attributes.h"
37 #include "libavutil/x86/asm.h"
38 #include "libavutil/cpu.h"
39
40 #if HAVE_INLINE_ASM
41
42 #define DITHER1XBPP // only for MMX
43
44 /* hope these constant values are cache line aligned */
45 DECLARE_ASM_CONST(8, uint64_t, mmx_00ffw) = 0x00ff00ff00ff00ffULL;
46 DECLARE_ASM_CONST(8, uint64_t, mmx_redmask) = 0xf8f8f8f8f8f8f8f8ULL;
47 DECLARE_ASM_CONST(8, uint64_t, mmx_grnmask) = 0xfcfcfcfcfcfcfcfcULL;
48 DECLARE_ASM_CONST(8, uint64_t, pb_e0) = 0xe0e0e0e0e0e0e0e0ULL;
49 DECLARE_ASM_CONST(8, uint64_t, pb_03) = 0x0303030303030303ULL;
50 DECLARE_ASM_CONST(8, uint64_t, pb_07) = 0x0707070707070707ULL;
51
52 //MMX versions
53 #if HAVE_MMX_INLINE
54 #undef RENAME
55 #undef COMPILE_TEMPLATE_MMXEXT
56 #define COMPILE_TEMPLATE_MMXEXT 0
57 #define RENAME(a) a ## _mmx
58 #include "yuv2rgb_template.c"
59 #endif /* HAVE_MMX_INLINE */
60
61 // MMXEXT versions
62 #if HAVE_MMXEXT_INLINE
63 #undef RENAME
64 #undef COMPILE_TEMPLATE_MMXEXT
65 #define COMPILE_TEMPLATE_MMXEXT 1
66 #define RENAME(a) a ## _mmxext
67 #include "yuv2rgb_template.c"
68 #endif /* HAVE_MMXEXT_INLINE */
69
70 #endif /* HAVE_INLINE_ASM */
71
72 av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
73 {
74 #if HAVE_MMX_INLINE
75 int cpu_flags = av_get_cpu_flags();
76
77 if (c->srcFormat != AV_PIX_FMT_YUV420P &&
78 c->srcFormat != AV_PIX_FMT_YUVA420P)
79 return NULL;
80
81 #if HAVE_MMXEXT_INLINE
82 if (cpu_flags & AV_CPU_FLAG_MMXEXT) {
83 switch (c->dstFormat) {
84 case AV_PIX_FMT_RGB24:
85 return yuv420_rgb24_mmxext;
86 case AV_PIX_FMT_BGR24:
87 return yuv420_bgr24_mmxext;
88 }
89 }
90 #endif
91
92 if (cpu_flags & AV_CPU_FLAG_MMX) {
93 switch (c->dstFormat) {
94 case AV_PIX_FMT_RGB32:
95 if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
96 #if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
97 return yuva420_rgb32_mmx;
98 #endif
99 break;
100 } else
101 return yuv420_rgb32_mmx;
102 case AV_PIX_FMT_BGR32:
103 if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
104 #if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
105 return yuva420_bgr32_mmx;
106 #endif
107 break;
108 } else
109 return yuv420_bgr32_mmx;
110 case AV_PIX_FMT_RGB24:
111 return yuv420_rgb24_mmx;
112 case AV_PIX_FMT_BGR24:
113 return yuv420_bgr24_mmx;
114 case AV_PIX_FMT_RGB565:
115 return yuv420_rgb16_mmx;
116 case AV_PIX_FMT_RGB555:
117 return yuv420_rgb15_mmx;
118 }
119 }
120 #endif /* HAVE_MMX_INLINE */
121
122 return NULL;
123 }