swscale: x86: Consistently use lowercase function name suffixes
[libav.git] / libswscale / x86 / yuv2rgb.c
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1/*
2 * software YUV to RGB converter
3 *
4 * Copyright (C) 2009 Konstantin Shishkov
5 *
652f5185 6 * MMX/MMXEXT template stuff (needed for fast movntq support),
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7 * 1,4,8bpp support and context / deglobalize stuff
8 * by Michael Niedermayer (michaelni@gmx.at)
9 *
2912e87a 10 * This file is part of Libav.
befa8e66 11 *
2912e87a 12 * Libav is free software; you can redistribute it and/or
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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 *
2912e87a 17 * Libav is distributed in the hope that it will be useful,
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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
2912e87a 23 * License along with Libav; if not, write to the Free Software
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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"
5a6e3c03 36#include "libavutil/attributes.h"
c318626c 37#include "libavutil/x86/asm.h"
e66149e7 38#include "libavutil/cpu.h"
befa8e66 39
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40#if HAVE_INLINE_ASM
41
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42#define DITHER1XBPP // only for MMX
43
44/* hope these constant values are cache line aligned */
45DECLARE_ASM_CONST(8, uint64_t, mmx_00ffw) = 0x00ff00ff00ff00ffULL;
46DECLARE_ASM_CONST(8, uint64_t, mmx_redmask) = 0xf8f8f8f8f8f8f8f8ULL;
47DECLARE_ASM_CONST(8, uint64_t, mmx_grnmask) = 0xfcfcfcfcfcfcfcfcULL;
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48DECLARE_ASM_CONST(8, uint64_t, pb_e0) = 0xe0e0e0e0e0e0e0e0ULL;
49DECLARE_ASM_CONST(8, uint64_t, pb_03) = 0x0303030303030303ULL;
50DECLARE_ASM_CONST(8, uint64_t, pb_07) = 0x0707070707070707ULL;
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51
52//MMX versions
17337f54 53#if HAVE_MMX_INLINE
befa8e66 54#undef RENAME
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55#undef COMPILE_TEMPLATE_MMXEXT
56#define COMPILE_TEMPLATE_MMXEXT 0
c16bfb14 57#define RENAME(a) a ## _mmx
870a6f40 58#include "yuv2rgb_template.c"
17337f54 59#endif /* HAVE_MMX_INLINE */
befa8e66 60
652f5185 61// MMXEXT versions
17337f54 62#if HAVE_MMXEXT_INLINE
befa8e66 63#undef RENAME
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64#undef COMPILE_TEMPLATE_MMXEXT
65#define COMPILE_TEMPLATE_MMXEXT 1
c16bfb14 66#define RENAME(a) a ## _mmxext
870a6f40 67#include "yuv2rgb_template.c"
17337f54 68#endif /* HAVE_MMXEXT_INLINE */
befa8e66 69
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70#endif /* HAVE_INLINE_ASM */
71
a5195839 72av_cold SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
befa8e66 73{
a5195839 74#if HAVE_MMX_INLINE
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75 int cpu_flags = av_get_cpu_flags();
76
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77 if (c->srcFormat != AV_PIX_FMT_YUV420P &&
78 c->srcFormat != AV_PIX_FMT_YUVA420P)
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79 return NULL;
80
17337f54 81#if HAVE_MMXEXT_INLINE
239fdf1b 82 if (cpu_flags & AV_CPU_FLAG_MMXEXT) {
befa8e66 83 switch (c->dstFormat) {
d8eda370 84 case AV_PIX_FMT_RGB24:
c16bfb14 85 return yuv420_rgb24_mmxext;
d8eda370 86 case AV_PIX_FMT_BGR24:
c16bfb14 87 return yuv420_bgr24_mmxext;
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88 }
89 }
97e057ff 90#endif
e66149e7 91
a60466db 92 if (cpu_flags & AV_CPU_FLAG_MMX) {
befa8e66 93 switch (c->dstFormat) {
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94 case AV_PIX_FMT_RGB32:
95 if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
f327bfa6 96#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
c16bfb14 97 return yuva420_rgb32_mmx;
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98#endif
99 break;
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100 } else
101 return yuv420_rgb32_mmx;
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102 case AV_PIX_FMT_BGR32:
103 if (c->srcFormat == AV_PIX_FMT_YUVA420P) {
f327bfa6 104#if HAVE_7REGS && CONFIG_SWSCALE_ALPHA
c16bfb14 105 return yuva420_bgr32_mmx;
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106#endif
107 break;
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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;
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118 }
119 }
a5195839 120#endif /* HAVE_MMX_INLINE */
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121
122 return NULL;
123}