2 * software YUV to RGB converter
4 * Copyright (C) 2009 Konstantin Shishkov
6 * MMX/MMX2 template stuff (needed for fast movntq support),
7 * 1,4,8bpp support and context / deglobalize stuff
8 * by Michael Niedermayer (michaelni@gmx.at)
10 * This file is part of FFmpeg.
12 * FFmpeg 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.
17 * FFmpeg 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.
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with FFmpeg; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
33 #include "libswscale/rgb2rgb.h"
34 #include "libswscale/swscale.h"
35 #include "libswscale/swscale_internal.h"
36 #include "libavutil/x86_cpu.h"
38 #define DITHER1XBPP // only for MMX
40 /* hope these constant values are cache line aligned */
41 DECLARE_ASM_CONST(8, uint64_t, mmx_00ffw) = 0x00ff00ff00ff00ffULL;
42 DECLARE_ASM_CONST(8, uint64_t, mmx_redmask) = 0xf8f8f8f8f8f8f8f8ULL;
43 DECLARE_ASM_CONST(8, uint64_t, mmx_grnmask) = 0xfcfcfcfcfcfcfcfcULL;
50 #define HAVE_AMD3DNOW 0
51 #define RENAME(a) a ## _MMX
52 #include "yuv2rgb_template.c"
58 #define RENAME(a) a ## _MMX2
59 #include "yuv2rgb_template.c"
61 SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c)
63 if (c->flags & SWS_CPU_CAPS_MMX2) {
64 switch (c->dstFormat) {
66 if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P) {
67 if (HAVE_7REGS) return yuva420_rgb32_MMX2;
69 } else return yuv420_rgb32_MMX2;
71 if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P) {
72 if (HAVE_7REGS) return yuva420_bgr32_MMX2;
74 } else return yuv420_bgr32_MMX2;
75 case PIX_FMT_BGR24: return yuv420_rgb24_MMX2;
76 case PIX_FMT_RGB565: return yuv420_rgb16_MMX2;
77 case PIX_FMT_RGB555: return yuv420_rgb15_MMX2;
80 if (c->flags & SWS_CPU_CAPS_MMX) {
81 switch (c->dstFormat) {
83 if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P) {
84 if (HAVE_7REGS) return yuva420_rgb32_MMX;
86 } else return yuv420_rgb32_MMX;
88 if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P) {
89 if (HAVE_7REGS) return yuva420_bgr32_MMX;
91 } else return yuv420_bgr32_MMX;
92 case PIX_FMT_BGR24: return yuv420_rgb24_MMX;
93 case PIX_FMT_RGB565: return yuv420_rgb16_MMX;
94 case PIX_FMT_RGB555: return yuv420_rgb15_MMX;