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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.
- */
- /* MERGED YCC --> RGB CONVERSION AND UPSAMPLING */
- #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 "jdmrgext-altivec.c"
- #undef RGB_PIXELSIZE
- #define RGB_PIXELSIZE EXT_RGB_PIXELSIZE
- #define jsimd_h2v1_merged_upsample_altivec \
- jsimd_h2v1_extrgb_merged_upsample_altivec
- #define jsimd_h2v2_merged_upsample_altivec \
- jsimd_h2v2_extrgb_merged_upsample_altivec
- #include "jdmrgext-altivec.c"
- #undef RGB_PIXELSIZE
- #undef RGB_INDEX0
- #undef RGB_INDEX1
- #undef RGB_INDEX2
- #undef jsimd_h2v1_merged_upsample_altivec
- #undef jsimd_h2v2_merged_upsample_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_h2v1_merged_upsample_altivec \
- jsimd_h2v1_extrgbx_merged_upsample_altivec
- #define jsimd_h2v2_merged_upsample_altivec \
- jsimd_h2v2_extrgbx_merged_upsample_altivec
- #include "jdmrgext-altivec.c"
- #undef RGB_PIXELSIZE
- #undef RGB_INDEX
- #undef jsimd_h2v1_merged_upsample_altivec
- #undef jsimd_h2v2_merged_upsample_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_h2v1_merged_upsample_altivec \
- jsimd_h2v1_extbgr_merged_upsample_altivec
- #define jsimd_h2v2_merged_upsample_altivec \
- jsimd_h2v2_extbgr_merged_upsample_altivec
- #include "jdmrgext-altivec.c"
- #undef RGB_PIXELSIZE
- #undef RGB_INDEX0
- #undef RGB_INDEX1
- #undef RGB_INDEX2
- #undef jsimd_h2v1_merged_upsample_altivec
- #undef jsimd_h2v2_merged_upsample_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_h2v1_merged_upsample_altivec \
- jsimd_h2v1_extbgrx_merged_upsample_altivec
- #define jsimd_h2v2_merged_upsample_altivec \
- jsimd_h2v2_extbgrx_merged_upsample_altivec
- #include "jdmrgext-altivec.c"
- #undef RGB_PIXELSIZE
- #undef RGB_INDEX
- #undef jsimd_h2v1_merged_upsample_altivec
- #undef jsimd_h2v2_merged_upsample_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_h2v1_merged_upsample_altivec \
- jsimd_h2v1_extxbgr_merged_upsample_altivec
- #define jsimd_h2v2_merged_upsample_altivec \
- jsimd_h2v2_extxbgr_merged_upsample_altivec
- #include "jdmrgext-altivec.c"
- #undef RGB_PIXELSIZE
- #undef RGB_INDEX
- #undef jsimd_h2v1_merged_upsample_altivec
- #undef jsimd_h2v2_merged_upsample_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_h2v1_merged_upsample_altivec \
- jsimd_h2v1_extxrgb_merged_upsample_altivec
- #define jsimd_h2v2_merged_upsample_altivec \
- jsimd_h2v2_extxrgb_merged_upsample_altivec
- #include "jdmrgext-altivec.c"
- #undef RGB_PIXELSIZE
- #undef RGB_INDEX
- #undef jsimd_h2v1_merged_upsample_altivec
- #undef jsimd_h2v2_merged_upsample_altivec
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