jdmerge-altivec.c (4804B)
1 /* 2 * AltiVec optimizations for libjpeg-turbo 3 * 4 * Copyright (C) 2015, D. R. Commander. All Rights Reserved. 5 * 6 * This software is provided 'as-is', without any express or implied 7 * warranty. In no event will the authors be held liable for any damages 8 * arising from the use of this software. 9 * 10 * Permission is granted to anyone to use this software for any purpose, 11 * including commercial applications, and to alter it and redistribute it 12 * freely, subject to the following restrictions: 13 * 14 * 1. The origin of this software must not be misrepresented; you must not 15 * claim that you wrote the original software. If you use this software 16 * in a product, an acknowledgment in the product documentation would be 17 * appreciated but is not required. 18 * 2. Altered source versions must be plainly marked as such, and must not be 19 * misrepresented as being the original software. 20 * 3. This notice may not be removed or altered from any source distribution. 21 */ 22 23 /* MERGED YCC --> RGB CONVERSION AND UPSAMPLING */ 24 25 #include "jsimd_altivec.h" 26 27 28 #define F_0_344 22554 /* FIX(0.34414) */ 29 #define F_0_714 46802 /* FIX(0.71414) */ 30 #define F_1_402 91881 /* FIX(1.40200) */ 31 #define F_1_772 116130 /* FIX(1.77200) */ 32 #define F_0_402 (F_1_402 - 65536) /* FIX(1.40200) - FIX(1) */ 33 #define F_0_285 (65536 - F_0_714) /* FIX(1) - FIX(0.71414) */ 34 #define F_0_228 (131072 - F_1_772) /* FIX(2) - FIX(1.77200) */ 35 36 #define SCALEBITS 16 37 #define ONE_HALF (1 << (SCALEBITS - 1)) 38 39 #define RGB_INDEX0 \ 40 { 0, 1, 8, 2, 3, 10, 4, 5, 12, 6, 7, 14, 16, 17, 24, 18 } 41 #define RGB_INDEX1 \ 42 { 3, 10, 4, 5, 12, 6, 7, 14, 16, 17, 24, 18, 19, 26, 20, 21 } 43 #define RGB_INDEX2 \ 44 { 12, 6, 7, 14, 16, 17, 24, 18, 19, 26, 20, 21, 28, 22, 23, 30 } 45 #include "jdmrgext-altivec.c" 46 #undef RGB_PIXELSIZE 47 48 #define RGB_PIXELSIZE EXT_RGB_PIXELSIZE 49 #define jsimd_h2v1_merged_upsample_altivec \ 50 jsimd_h2v1_extrgb_merged_upsample_altivec 51 #define jsimd_h2v2_merged_upsample_altivec \ 52 jsimd_h2v2_extrgb_merged_upsample_altivec 53 #include "jdmrgext-altivec.c" 54 #undef RGB_PIXELSIZE 55 #undef RGB_INDEX0 56 #undef RGB_INDEX1 57 #undef RGB_INDEX2 58 #undef jsimd_h2v1_merged_upsample_altivec 59 #undef jsimd_h2v2_merged_upsample_altivec 60 61 #define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE 62 #define RGB_INDEX \ 63 { 0, 1, 8, 9, 2, 3, 10, 11, 4, 5, 12, 13, 6, 7, 14, 15 } 64 #define jsimd_h2v1_merged_upsample_altivec \ 65 jsimd_h2v1_extrgbx_merged_upsample_altivec 66 #define jsimd_h2v2_merged_upsample_altivec \ 67 jsimd_h2v2_extrgbx_merged_upsample_altivec 68 #include "jdmrgext-altivec.c" 69 #undef RGB_PIXELSIZE 70 #undef RGB_INDEX 71 #undef jsimd_h2v1_merged_upsample_altivec 72 #undef jsimd_h2v2_merged_upsample_altivec 73 74 #define RGB_PIXELSIZE EXT_BGR_PIXELSIZE 75 #define RGB_INDEX0 \ 76 { 8, 1, 0, 10, 3, 2, 12, 5, 4, 14, 7, 6, 24, 17, 16, 26 } 77 #define RGB_INDEX1 \ 78 { 3, 2, 12, 5, 4, 14, 7, 6, 24, 17, 16, 26, 19, 18, 28, 21 } 79 #define RGB_INDEX2 \ 80 { 4, 14, 7, 6, 24, 17, 16, 26, 19, 18, 28, 21, 20, 30, 23, 22 } 81 #define jsimd_h2v1_merged_upsample_altivec \ 82 jsimd_h2v1_extbgr_merged_upsample_altivec 83 #define jsimd_h2v2_merged_upsample_altivec \ 84 jsimd_h2v2_extbgr_merged_upsample_altivec 85 #include "jdmrgext-altivec.c" 86 #undef RGB_PIXELSIZE 87 #undef RGB_INDEX0 88 #undef RGB_INDEX1 89 #undef RGB_INDEX2 90 #undef jsimd_h2v1_merged_upsample_altivec 91 #undef jsimd_h2v2_merged_upsample_altivec 92 93 #define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE 94 #define RGB_INDEX \ 95 { 8, 1, 0, 9, 10, 3, 2, 11, 12, 5, 4, 13, 14, 7, 6, 15 } 96 #define jsimd_h2v1_merged_upsample_altivec \ 97 jsimd_h2v1_extbgrx_merged_upsample_altivec 98 #define jsimd_h2v2_merged_upsample_altivec \ 99 jsimd_h2v2_extbgrx_merged_upsample_altivec 100 #include "jdmrgext-altivec.c" 101 #undef RGB_PIXELSIZE 102 #undef RGB_INDEX 103 #undef jsimd_h2v1_merged_upsample_altivec 104 #undef jsimd_h2v2_merged_upsample_altivec 105 106 #define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE 107 #define RGB_INDEX \ 108 { 9, 8, 1, 0, 11, 10, 3, 2, 13, 12, 5, 4, 15, 14, 7, 6 } 109 #define jsimd_h2v1_merged_upsample_altivec \ 110 jsimd_h2v1_extxbgr_merged_upsample_altivec 111 #define jsimd_h2v2_merged_upsample_altivec \ 112 jsimd_h2v2_extxbgr_merged_upsample_altivec 113 #include "jdmrgext-altivec.c" 114 #undef RGB_PIXELSIZE 115 #undef RGB_INDEX 116 #undef jsimd_h2v1_merged_upsample_altivec 117 #undef jsimd_h2v2_merged_upsample_altivec 118 119 #define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE 120 #define RGB_INDEX \ 121 { 9, 0, 1, 8, 11, 2, 3, 10, 13, 4, 5, 12, 15, 6, 7, 14 } 122 #define jsimd_h2v1_merged_upsample_altivec \ 123 jsimd_h2v1_extxrgb_merged_upsample_altivec 124 #define jsimd_h2v2_merged_upsample_altivec \ 125 jsimd_h2v2_extxrgb_merged_upsample_altivec 126 #include "jdmrgext-altivec.c" 127 #undef RGB_PIXELSIZE 128 #undef RGB_INDEX 129 #undef jsimd_h2v1_merged_upsample_altivec 130 #undef jsimd_h2v2_merged_upsample_altivec