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author | Uoti Urpala <uau@glyph.nonexistent.invalid> | 2009-04-01 02:26:34 +0300 |
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committer | Uoti Urpala <uau@glyph.nonexistent.invalid> | 2009-04-01 02:43:47 +0300 |
commit | cf9edda1d370d39bc8a3d020a9c2bc4090d2457e (patch) | |
tree | 1d1bbc529a4e8109fb6aa5cadf0dbbb7bd61013a /libswscale/x86/yuv2rgb_mmx.c | |
parent | 7af8417ae7beb409f54849956a7037bc66c4c334 (diff) | |
parent | 1c37a6427abef0827c608d328d37ca1b1a0a022d (diff) | |
download | mpv-cf9edda1d370d39bc8a3d020a9c2bc4090d2457e.tar.bz2 mpv-cf9edda1d370d39bc8a3d020a9c2bc4090d2457e.tar.xz |
Merge svn changes up to r29117
Diffstat (limited to 'libswscale/x86/yuv2rgb_mmx.c')
-rw-r--r-- | libswscale/x86/yuv2rgb_mmx.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/libswscale/x86/yuv2rgb_mmx.c b/libswscale/x86/yuv2rgb_mmx.c new file mode 100644 index 0000000000..ced537fcce --- /dev/null +++ b/libswscale/x86/yuv2rgb_mmx.c @@ -0,0 +1,89 @@ +/* + * software YUV to RGB converter + * + * Copyright (C) 2009 Konstantin Shishkov + * + * MMX/MMX2 template stuff (needed for fast movntq support), + * 1,4,8bpp support and context / deglobalize stuff + * by Michael Niedermayer (michaelni@gmx.at) + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdio.h> +#include <stdlib.h> +#include <inttypes.h> +#include <assert.h> + +#include "config.h" +#include "libswscale/rgb2rgb.h" +#include "libswscale/swscale.h" +#include "libswscale/swscale_internal.h" +#include "libavutil/x86_cpu.h" + +#define DITHER1XBPP // only for MMX + +/* hope these constant values are cache line aligned */ +DECLARE_ASM_CONST(8, uint64_t, mmx_00ffw) = 0x00ff00ff00ff00ffULL; +DECLARE_ASM_CONST(8, uint64_t, mmx_redmask) = 0xf8f8f8f8f8f8f8f8ULL; +DECLARE_ASM_CONST(8, uint64_t, mmx_grnmask) = 0xfcfcfcfcfcfcfcfcULL; + +//MMX versions +#undef RENAME +#undef HAVE_MMX2 +#undef HAVE_AMD3DNOW +#define HAVE_MMX2 0 +#define HAVE_AMD3DNOW 0 +#define RENAME(a) a ## _MMX +#include "yuv2rgb_template.c" + +//MMX2 versions +#undef RENAME +#undef HAVE_MMX2 +#define HAVE_MMX2 1 +#define RENAME(a) a ## _MMX2 +#include "yuv2rgb_template.c" + +SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c) +{ + if (c->flags & SWS_CPU_CAPS_MMX2) { + switch (c->dstFormat) { + case PIX_FMT_RGB32: + if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P){ + if (HAVE_7REGS) return yuva420_rgb32_MMX2; + break; + }else return yuv420_rgb32_MMX2; + case PIX_FMT_BGR24: return yuv420_rgb24_MMX2; + case PIX_FMT_RGB565: return yuv420_rgb16_MMX2; + case PIX_FMT_RGB555: return yuv420_rgb15_MMX2; + } + } + if (c->flags & SWS_CPU_CAPS_MMX) { + switch (c->dstFormat) { + case PIX_FMT_RGB32: + if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P){ + if (HAVE_7REGS) return yuva420_rgb32_MMX; + break; + }else return yuv420_rgb32_MMX; + case PIX_FMT_BGR24: return yuv420_rgb24_MMX; + case PIX_FMT_RGB565: return yuv420_rgb16_MMX; + case PIX_FMT_RGB555: return yuv420_rgb15_MMX; + } + } + + return NULL; +} |