1 /* 2 * jdmerge-neon.c - merged upsampling/color conversion (Arm Neon) 3 * 4 * Copyright (C) 2020, Arm Limited. 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 #define JPEG_INTERNALS 24 #include "jconfigint.h" 25 #include "../../jinclude.h" 26 #include "../../jpeglib.h" 27 #include "../../jsimd.h" 28 #include "../../jdct.h" 29 #include "../../jsimddct.h" 30 #include "../jsimd.h" 31 #include "align.h" 32 33 #include <arm_neon.h> 34 35 36 /* YCbCr -> RGB conversion constants */ 37 38 #define F_0_344 11277 /* 0.3441467 = 11277 * 2^-15 */ 39 #define F_0_714 23401 /* 0.7141418 = 23401 * 2^-15 */ 40 #define F_1_402 22971 /* 1.4020386 = 22971 * 2^-14 */ 41 #define F_1_772 29033 /* 1.7720337 = 29033 * 2^-14 */ 42 43 ALIGN(16) static const int16_t jsimd_ycc_rgb_convert_neon_consts[] = { 44 -F_0_344, F_0_714, F_1_402, F_1_772 45 }; 46 47 48 /* Include inline routines for colorspace extensions. */ 49 50 #include "jdmrgext-neon.c" 51 #undef RGB_RED 52 #undef RGB_GREEN 53 #undef RGB_BLUE 54 #undef RGB_PIXELSIZE 55 56 #define RGB_RED EXT_RGB_RED 57 #define RGB_GREEN EXT_RGB_GREEN 58 #define RGB_BLUE EXT_RGB_BLUE 59 #define RGB_PIXELSIZE EXT_RGB_PIXELSIZE 60 #define jsimd_h2v1_merged_upsample_neon jsimd_h2v1_extrgb_merged_upsample_neon 61 #define jsimd_h2v2_merged_upsample_neon jsimd_h2v2_extrgb_merged_upsample_neon 62 #include "jdmrgext-neon.c" 63 #undef RGB_RED 64 #undef RGB_GREEN 65 #undef RGB_BLUE 66 #undef RGB_PIXELSIZE 67 #undef jsimd_h2v1_merged_upsample_neon 68 #undef jsimd_h2v2_merged_upsample_neon 69 70 #define RGB_RED EXT_RGBX_RED 71 #define RGB_GREEN EXT_RGBX_GREEN 72 #define RGB_BLUE EXT_RGBX_BLUE 73 #define RGB_ALPHA 3 74 #define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE 75 #define jsimd_h2v1_merged_upsample_neon jsimd_h2v1_extrgbx_merged_upsample_neon 76 #define jsimd_h2v2_merged_upsample_neon jsimd_h2v2_extrgbx_merged_upsample_neon 77 #include "jdmrgext-neon.c" 78 #undef RGB_RED 79 #undef RGB_GREEN 80 #undef RGB_BLUE 81 #undef RGB_ALPHA 82 #undef RGB_PIXELSIZE 83 #undef jsimd_h2v1_merged_upsample_neon 84 #undef jsimd_h2v2_merged_upsample_neon 85 86 #define RGB_RED EXT_BGR_RED 87 #define RGB_GREEN EXT_BGR_GREEN 88 #define RGB_BLUE EXT_BGR_BLUE 89 #define RGB_PIXELSIZE EXT_BGR_PIXELSIZE 90 #define jsimd_h2v1_merged_upsample_neon jsimd_h2v1_extbgr_merged_upsample_neon 91 #define jsimd_h2v2_merged_upsample_neon jsimd_h2v2_extbgr_merged_upsample_neon 92 #include "jdmrgext-neon.c" 93 #undef RGB_RED 94 #undef RGB_GREEN 95 #undef RGB_BLUE 96 #undef RGB_PIXELSIZE 97 #undef jsimd_h2v1_merged_upsample_neon 98 #undef jsimd_h2v2_merged_upsample_neon 99 100 #define RGB_RED EXT_BGRX_RED 101 #define RGB_GREEN EXT_BGRX_GREEN 102 #define RGB_BLUE EXT_BGRX_BLUE 103 #define RGB_ALPHA 3 104 #define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE 105 #define jsimd_h2v1_merged_upsample_neon jsimd_h2v1_extbgrx_merged_upsample_neon 106 #define jsimd_h2v2_merged_upsample_neon jsimd_h2v2_extbgrx_merged_upsample_neon 107 #include "jdmrgext-neon.c" 108 #undef RGB_RED 109 #undef RGB_GREEN 110 #undef RGB_BLUE 111 #undef RGB_ALPHA 112 #undef RGB_PIXELSIZE 113 #undef jsimd_h2v1_merged_upsample_neon 114 #undef jsimd_h2v2_merged_upsample_neon 115 116 #define RGB_RED EXT_XBGR_RED 117 #define RGB_GREEN EXT_XBGR_GREEN 118 #define RGB_BLUE EXT_XBGR_BLUE 119 #define RGB_ALPHA 0 120 #define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE 121 #define jsimd_h2v1_merged_upsample_neon jsimd_h2v1_extxbgr_merged_upsample_neon 122 #define jsimd_h2v2_merged_upsample_neon jsimd_h2v2_extxbgr_merged_upsample_neon 123 #include "jdmrgext-neon.c" 124 #undef RGB_RED 125 #undef RGB_GREEN 126 #undef RGB_BLUE 127 #undef RGB_ALPHA 128 #undef RGB_PIXELSIZE 129 #undef jsimd_h2v1_merged_upsample_neon 130 #undef jsimd_h2v2_merged_upsample_neon 131 132 #define RGB_RED EXT_XRGB_RED 133 #define RGB_GREEN EXT_XRGB_GREEN 134 #define RGB_BLUE EXT_XRGB_BLUE 135 #define RGB_ALPHA 0 136 #define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE 137 #define jsimd_h2v1_merged_upsample_neon jsimd_h2v1_extxrgb_merged_upsample_neon 138 #define jsimd_h2v2_merged_upsample_neon jsimd_h2v2_extxrgb_merged_upsample_neon 139 #include "jdmrgext-neon.c" 140 #undef RGB_RED 141 #undef RGB_GREEN 142 #undef RGB_BLUE 143 #undef RGB_ALPHA 144 #undef RGB_PIXELSIZE 145 #undef jsimd_h2v1_merged_upsample_neon 146