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