| DRC | 86af36a | 2015-01-14 13:27:32 +0000 | [diff] [blame] | 1 | /* |
| 2 | * AltiVec optimizations for libjpeg-turbo |
| 3 | * |
| 4 | * Copyright (C) 2015, D. R. Commander. |
| 5 | * All rights reserved. |
| 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 {0,1,8,2,3,10,4,5,12,6,7,14,16,17,24,18} |
| 40 | #define RGB_INDEX1 {3,10,4,5,12,6,7,14,16,17,24,18,19,26,20,21} |
| 41 | #define RGB_INDEX2 {12,6,7,14,16,17,24,18,19,26,20,21,28,22,23,30} |
| 42 | #include "jdmrgext-altivec.c" |
| 43 | #undef RGB_PIXELSIZE |
| 44 | |
| 45 | #define RGB_PIXELSIZE EXT_RGB_PIXELSIZE |
| 46 | #define jsimd_h2v1_merged_upsample_altivec jsimd_h2v1_extrgb_merged_upsample_altivec |
| 47 | #define jsimd_h2v2_merged_upsample_altivec jsimd_h2v2_extrgb_merged_upsample_altivec |
| 48 | #include "jdmrgext-altivec.c" |
| 49 | #undef RGB_PIXELSIZE |
| 50 | #undef RGB_INDEX0 |
| 51 | #undef RGB_INDEX1 |
| 52 | #undef RGB_INDEX2 |
| 53 | #undef jsimd_h2v1_merged_upsample_altivec |
| 54 | #undef jsimd_h2v2_merged_upsample_altivec |
| 55 | |
| 56 | #define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE |
| 57 | #define RGB_INDEX {0,1,8,9,2,3,10,11,4,5,12,13,6,7,14,15} |
| 58 | #define jsimd_h2v1_merged_upsample_altivec jsimd_h2v1_extrgbx_merged_upsample_altivec |
| 59 | #define jsimd_h2v2_merged_upsample_altivec jsimd_h2v2_extrgbx_merged_upsample_altivec |
| 60 | #include "jdmrgext-altivec.c" |
| 61 | #undef RGB_PIXELSIZE |
| 62 | #undef RGB_INDEX |
| 63 | #undef jsimd_h2v1_merged_upsample_altivec |
| 64 | #undef jsimd_h2v2_merged_upsample_altivec |
| 65 | |
| 66 | #define RGB_PIXELSIZE EXT_BGR_PIXELSIZE |
| 67 | #define RGB_INDEX0 {8,1,0,10,3,2,12,5,4,14,7,6,24,17,16,26} |
| 68 | #define RGB_INDEX1 {3,2,12,5,4,14,7,6,24,17,16,26,19,18,28,21} |
| 69 | #define RGB_INDEX2 {4,14,7,6,24,17,16,26,19,18,28,21,20,30,23,22} |
| 70 | #define jsimd_h2v1_merged_upsample_altivec jsimd_h2v1_extbgr_merged_upsample_altivec |
| 71 | #define jsimd_h2v2_merged_upsample_altivec jsimd_h2v2_extbgr_merged_upsample_altivec |
| 72 | #include "jdmrgext-altivec.c" |
| 73 | #undef RGB_PIXELSIZE |
| 74 | #undef RGB_INDEX0 |
| 75 | #undef RGB_INDEX1 |
| 76 | #undef RGB_INDEX2 |
| 77 | #undef jsimd_h2v1_merged_upsample_altivec |
| 78 | #undef jsimd_h2v2_merged_upsample_altivec |
| 79 | |
| 80 | #define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE |
| 81 | #define RGB_INDEX {8,1,0,9,10,3,2,11,12,5,4,13,14,7,6,15} |
| 82 | #define jsimd_h2v1_merged_upsample_altivec jsimd_h2v1_extbgrx_merged_upsample_altivec |
| 83 | #define jsimd_h2v2_merged_upsample_altivec jsimd_h2v2_extbgrx_merged_upsample_altivec |
| 84 | #include "jdmrgext-altivec.c" |
| 85 | #undef RGB_PIXELSIZE |
| 86 | #undef RGB_INDEX |
| 87 | #undef jsimd_h2v1_merged_upsample_altivec |
| 88 | #undef jsimd_h2v2_merged_upsample_altivec |
| 89 | |
| 90 | #define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE |
| 91 | #define RGB_INDEX {9,8,1,0,11,10,3,2,13,12,5,4,15,14,7,6} |
| 92 | #define jsimd_h2v1_merged_upsample_altivec jsimd_h2v1_extxbgr_merged_upsample_altivec |
| 93 | #define jsimd_h2v2_merged_upsample_altivec jsimd_h2v2_extxbgr_merged_upsample_altivec |
| 94 | #include "jdmrgext-altivec.c" |
| 95 | #undef RGB_PIXELSIZE |
| 96 | #undef RGB_INDEX |
| 97 | #undef jsimd_h2v1_merged_upsample_altivec |
| 98 | #undef jsimd_h2v2_merged_upsample_altivec |
| 99 | |
| 100 | #define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE |
| 101 | #define RGB_INDEX {9,0,1,8,11,2,3,10,13,4,5,12,15,6,7,14} |
| 102 | #define jsimd_h2v1_merged_upsample_altivec jsimd_h2v1_extxrgb_merged_upsample_altivec |
| 103 | #define jsimd_h2v2_merged_upsample_altivec jsimd_h2v2_extxrgb_merged_upsample_altivec |
| 104 | #include "jdmrgext-altivec.c" |
| 105 | #undef RGB_PIXELSIZE |
| 106 | #undef RGB_INDEX |
| 107 | #undef jsimd_h2v1_merged_upsample_altivec |
| 108 | #undef jsimd_h2v2_merged_upsample_altivec |