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/*
* AltiVec optimizations for libjpeg-turbo
*
* Copyright (C) 2015, D. R. Commander. All Rights Reserved.
*
* 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.
*/
/* YCC --> RGB CONVERSION */
#include "jsimd_altivec.h"
#define F_0_344 22554 /* FIX(0.34414) */
#define F_0_714 46802 /* FIX(0.71414) */
#define F_1_402 91881 /* FIX(1.40200) */
#define F_1_772 116130 /* FIX(1.77200) */
#define F_0_402 (F_1_402 - 65536) /* FIX(1.40200) - FIX(1) */
#define F_0_285 (65536 - F_0_714) /* FIX(1) - FIX(0.71414) */
#define F_0_228 (131072 - F_1_772) /* FIX(2) - FIX(1.77200) */
#define SCALEBITS 16
#define ONE_HALF (1 << (SCALEBITS - 1))
#define RGB_INDEX0 \
{ 0, 1, 8, 2, 3, 10, 4, 5, 12, 6, 7, 14, 16, 17, 24, 18 }
#define RGB_INDEX1 \
{ 3, 10, 4, 5, 12, 6, 7, 14, 16, 17, 24, 18, 19, 26, 20, 21 }
#define RGB_INDEX2 \
{ 12, 6, 7, 14, 16, 17, 24, 18, 19, 26, 20, 21, 28, 22, 23, 30 }
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#define RGB_PIXELSIZE EXT_RGB_PIXELSIZE
#define jsimd_ycc_rgb_convert_altivec jsimd_ycc_extrgb_convert_altivec
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#undef RGB_INDEX0
#undef RGB_INDEX1
#undef RGB_INDEX2
#undef jsimd_ycc_rgb_convert_altivec
#define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE
#define RGB_INDEX \
{ 0, 1, 8, 9, 2, 3, 10, 11, 4, 5, 12, 13, 6, 7, 14, 15 }
#define jsimd_ycc_rgb_convert_altivec jsimd_ycc_extrgbx_convert_altivec
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#undef RGB_INDEX
#undef jsimd_ycc_rgb_convert_altivec
#define RGB_PIXELSIZE EXT_BGR_PIXELSIZE
#define RGB_INDEX0 \
{ 8, 1, 0, 10, 3, 2, 12, 5, 4, 14, 7, 6, 24, 17, 16, 26 }
#define RGB_INDEX1 \
{ 3, 2, 12, 5, 4, 14, 7, 6, 24, 17, 16, 26, 19, 18, 28, 21 }
#define RGB_INDEX2 \
{ 4, 14, 7, 6, 24, 17, 16, 26, 19, 18, 28, 21, 20, 30, 23, 22 }
#define jsimd_ycc_rgb_convert_altivec jsimd_ycc_extbgr_convert_altivec
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#undef RGB_INDEX0
#undef RGB_INDEX1
#undef RGB_INDEX2
#undef jsimd_ycc_rgb_convert_altivec
#define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE
#define RGB_INDEX \
{ 8, 1, 0, 9, 10, 3, 2, 11, 12, 5, 4, 13, 14, 7, 6, 15 }
#define jsimd_ycc_rgb_convert_altivec jsimd_ycc_extbgrx_convert_altivec
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#undef RGB_INDEX
#undef jsimd_ycc_rgb_convert_altivec
#define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE
#define RGB_INDEX \
{ 9, 8, 1, 0, 11, 10, 3, 2, 13, 12, 5, 4, 15, 14, 7, 6 }
#define jsimd_ycc_rgb_convert_altivec jsimd_ycc_extxbgr_convert_altivec
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#undef RGB_INDEX
#undef jsimd_ycc_rgb_convert_altivec
#define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE
#define RGB_INDEX \
{ 9, 0, 1, 8, 11, 2, 3, 10, 13, 4, 5, 12, 15, 6, 7, 14 }
#define jsimd_ycc_rgb_convert_altivec jsimd_ycc_extxrgb_convert_altivec
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#undef RGB_INDEX
#undef jsimd_ycc_rgb_convert_altivec
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