| /* |
| * Loongson MMI optimizations for libjpeg-turbo |
| * |
| * Copyright (C) 2011, 2014, D. R. Commander. All Rights Reserved. |
| * Copyright (C) 2016-2017, Loongson Technology Corporation Limited, BeiJing. |
| * All Rights Reserved. |
| * Authors: ZhuChen <zhuchen@loongson.cn> |
| * CaiWanwei <caiwanwei@loongson.cn> |
| * SunZhangzhi <sunzhangzhi-cq@loongson.cn> |
| * |
| * This software is provided 'as-is', without any express or implied |
| * warranty. In no event will the authors be held liable for any damages |
| * arising from the use of this software. |
| * |
| * Permission is granted to anyone to use this software for any purpose, |
| * including commercial applications, and to alter it and redistribute it |
| * freely, subject to the following restrictions: |
| * |
| * 1. The origin of this software must not be misrepresented; you must not |
| * claim that you wrote the original software. If you use this software |
| * in a product, an acknowledgment in the product documentation would be |
| * appreciated but is not required. |
| * 2. Altered source versions must be plainly marked as such, and must not be |
| * misrepresented as being the original software. |
| * 3. This notice may not be removed or altered from any source distribution. |
| */ |
| |
| /* RGB --> YCC CONVERSION */ |
| |
| #include "jsimd_mmi.h" |
| |
| |
| #define F_0_081 ((short)5329) /* FIX(0.08131) */ |
| #define F_0_114 ((short)7471) /* FIX(0.11400) */ |
| #define F_0_168 ((short)11059) /* FIX(0.16874) */ |
| #define F_0_250 ((short)16384) /* FIX(0.25000) */ |
| #define F_0_299 ((short)19595) /* FIX(0.29900) */ |
| #define F_0_331 ((short)21709) /* FIX(0.33126) */ |
| #define F_0_418 ((short)27439) /* FIX(0.41869) */ |
| #define F_0_587 ((short)38470) /* FIX(0.58700) */ |
| #define F_0_337 ((short)(F_0_587 - F_0_250)) /* FIX(0.58700) - FIX(0.25000) */ |
| |
| enum const_index { |
| index_PD_ONEHALF, |
| index_PW_F0299_F0337, |
| index_PW_F0114_F0250, |
| index_PW_MF016_MF033, |
| index_PW_MF008_MF041, |
| index_PD_ONEHALFM1_CJ |
| }; |
| |
| static uint64_t const_value[] = { |
| _uint64_set_pi32((int)(1 << (SCALEBITS - 1)), (int)(1 << (SCALEBITS - 1))), |
| _uint64_set_pi16(F_0_337, F_0_299, F_0_337, F_0_299), |
| _uint64_set_pi16(F_0_250, F_0_114, F_0_250, F_0_114), |
| _uint64_set_pi16(-F_0_331, -F_0_168, -F_0_331, -F_0_168), |
| _uint64_set_pi16(-F_0_418, -F_0_081, -F_0_418, -F_0_081), |
| _uint64_set_pi32(((1 << (SCALEBITS - 1)) - 1 + (CENTERJSAMPLE << SCALEBITS)), |
| ((1 << (SCALEBITS - 1)) - 1 + (CENTERJSAMPLE << SCALEBITS))) |
| }; |
| |
| #define get_const_value(index) (*(__m64 *)&const_value[index]) |
| |
| #define PD_ONEHALF get_const_value(index_PD_ONEHALF) |
| #define PW_F0299_F0337 get_const_value(index_PW_F0299_F0337) |
| #define PW_F0114_F0250 get_const_value(index_PW_F0114_F0250) |
| #define PW_MF016_MF033 get_const_value(index_PW_MF016_MF033) |
| #define PW_MF008_MF041 get_const_value(index_PW_MF008_MF041) |
| #define PD_ONEHALFM1_CJ get_const_value(index_PD_ONEHALFM1_CJ) |
| |
| |
| #include "jccolext-mmi.c" |
| #undef RGB_RED |
| #undef RGB_GREEN |
| #undef RGB_BLUE |
| #undef RGB_PIXELSIZE |
| |
| #define RGB_RED EXT_RGB_RED |
| #define RGB_GREEN EXT_RGB_GREEN |
| #define RGB_BLUE EXT_RGB_BLUE |
| #define RGB_PIXELSIZE EXT_RGB_PIXELSIZE |
| #define jsimd_rgb_ycc_convert_mmi jsimd_extrgb_ycc_convert_mmi |
| #include "jccolext-mmi.c" |
| #undef RGB_RED |
| #undef RGB_GREEN |
| #undef RGB_BLUE |
| #undef RGB_PIXELSIZE |
| #undef jsimd_rgb_ycc_convert_mmi |
| |
| #define RGB_RED EXT_RGBX_RED |
| #define RGB_GREEN EXT_RGBX_GREEN |
| #define RGB_BLUE EXT_RGBX_BLUE |
| #define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE |
| #define jsimd_rgb_ycc_convert_mmi jsimd_extrgbx_ycc_convert_mmi |
| #include "jccolext-mmi.c" |
| #undef RGB_RED |
| #undef RGB_GREEN |
| #undef RGB_BLUE |
| #undef RGB_PIXELSIZE |
| #undef jsimd_rgb_ycc_convert_mmi |
| |
| #define RGB_RED EXT_BGR_RED |
| #define RGB_GREEN EXT_BGR_GREEN |
| #define RGB_BLUE EXT_BGR_BLUE |
| #define RGB_PIXELSIZE EXT_BGR_PIXELSIZE |
| #define jsimd_rgb_ycc_convert_mmi jsimd_extbgr_ycc_convert_mmi |
| #include "jccolext-mmi.c" |
| #undef RGB_RED |
| #undef RGB_GREEN |
| #undef RGB_BLUE |
| #undef RGB_PIXELSIZE |
| #undef jsimd_rgb_ycc_convert_mmi |
| |
| #define RGB_RED EXT_BGRX_RED |
| #define RGB_GREEN EXT_BGRX_GREEN |
| #define RGB_BLUE EXT_BGRX_BLUE |
| #define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE |
| #define jsimd_rgb_ycc_convert_mmi jsimd_extbgrx_ycc_convert_mmi |
| #include "jccolext-mmi.c" |
| #undef RGB_RED |
| #undef RGB_GREEN |
| #undef RGB_BLUE |
| #undef RGB_PIXELSIZE |
| #undef jsimd_rgb_ycc_convert_mmi |
| |
| #define RGB_RED EXT_XBGR_RED |
| #define RGB_GREEN EXT_XBGR_GREEN |
| #define RGB_BLUE EXT_XBGR_BLUE |
| #define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE |
| #define jsimd_rgb_ycc_convert_mmi jsimd_extxbgr_ycc_convert_mmi |
| #include "jccolext-mmi.c" |
| #undef RGB_RED |
| #undef RGB_GREEN |
| #undef RGB_BLUE |
| #undef RGB_PIXELSIZE |
| #undef jsimd_rgb_ycc_convert_mmi |
| |
| #define RGB_RED EXT_XRGB_RED |
| #define RGB_GREEN EXT_XRGB_GREEN |
| #define RGB_BLUE EXT_XRGB_BLUE |
| #define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE |
| #define jsimd_rgb_ycc_convert_mmi jsimd_extxrgb_ycc_convert_mmi |
| #include "jccolext-mmi.c" |
| #undef RGB_RED |
| #undef RGB_GREEN |
| #undef RGB_BLUE |
| #undef RGB_PIXELSIZE |
| #undef jsimd_rgb_ycc_convert_mmi |
