jdmerge-neon.c (4706B)
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 "../../jinclude.h" 25 #include "../../jpeglib.h" 26 #include "../../jsimd.h" 27 #include "../../jdct.h" 28 #include "../../jsimddct.h" 29 #include "../jsimd.h" 30 #include "align.h" 31 32 #include <arm_neon.h> 33 34 35 /* YCbCr -> RGB conversion constants */ 36 37 #define F_0_344 11277 /* 0.3441467 = 11277 * 2^-15 */ 38 #define F_0_714 23401 /* 0.7141418 = 23401 * 2^-15 */ 39 #define F_1_402 22971 /* 1.4020386 = 22971 * 2^-14 */ 40 #define F_1_772 29033 /* 1.7720337 = 29033 * 2^-14 */ 41 42 ALIGN(16) static const int16_t jsimd_ycc_rgb_convert_neon_consts[] = { 43 -F_0_344, F_0_714, F_1_402, F_1_772 44 }; 45 46 47 /* Include inline routines for colorspace extensions. */ 48 49 #include "jdmrgext-neon.c" 50 #undef RGB_RED 51 #undef RGB_GREEN 52 #undef RGB_BLUE 53 #undef RGB_PIXELSIZE 54 55 #define RGB_RED EXT_RGB_RED 56 #define RGB_GREEN EXT_RGB_GREEN 57 #define RGB_BLUE EXT_RGB_BLUE 58 #define RGB_PIXELSIZE EXT_RGB_PIXELSIZE 59 #define jsimd_h2v1_merged_upsample_neon jsimd_h2v1_extrgb_merged_upsample_neon 60 #define jsimd_h2v2_merged_upsample_neon jsimd_h2v2_extrgb_merged_upsample_neon 61 #include "jdmrgext-neon.c" 62 #undef RGB_RED 63 #undef RGB_GREEN 64 #undef RGB_BLUE 65 #undef RGB_PIXELSIZE 66 #undef jsimd_h2v1_merged_upsample_neon 67 #undef jsimd_h2v2_merged_upsample_neon 68 69 #define RGB_RED EXT_RGBX_RED 70 #define RGB_GREEN EXT_RGBX_GREEN 71 #define RGB_BLUE EXT_RGBX_BLUE 72 #define RGB_ALPHA 3 73 #define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE 74 #define jsimd_h2v1_merged_upsample_neon jsimd_h2v1_extrgbx_merged_upsample_neon 75 #define jsimd_h2v2_merged_upsample_neon jsimd_h2v2_extrgbx_merged_upsample_neon 76 #include "jdmrgext-neon.c" 77 #undef RGB_RED 78 #undef RGB_GREEN 79 #undef RGB_BLUE 80 #undef RGB_ALPHA 81 #undef RGB_PIXELSIZE 82 #undef jsimd_h2v1_merged_upsample_neon 83 #undef jsimd_h2v2_merged_upsample_neon 84 85 #define RGB_RED EXT_BGR_RED 86 #define RGB_GREEN EXT_BGR_GREEN 87 #define RGB_BLUE EXT_BGR_BLUE 88 #define RGB_PIXELSIZE EXT_BGR_PIXELSIZE 89 #define jsimd_h2v1_merged_upsample_neon jsimd_h2v1_extbgr_merged_upsample_neon 90 #define jsimd_h2v2_merged_upsample_neon jsimd_h2v2_extbgr_merged_upsample_neon 91 #include "jdmrgext-neon.c" 92 #undef RGB_RED 93 #undef RGB_GREEN 94 #undef RGB_BLUE 95 #undef RGB_PIXELSIZE 96 #undef jsimd_h2v1_merged_upsample_neon 97 #undef jsimd_h2v2_merged_upsample_neon 98 99 #define RGB_RED EXT_BGRX_RED 100 #define RGB_GREEN EXT_BGRX_GREEN 101 #define RGB_BLUE EXT_BGRX_BLUE 102 #define RGB_ALPHA 3 103 #define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE 104 #define jsimd_h2v1_merged_upsample_neon jsimd_h2v1_extbgrx_merged_upsample_neon 105 #define jsimd_h2v2_merged_upsample_neon jsimd_h2v2_extbgrx_merged_upsample_neon 106 #include "jdmrgext-neon.c" 107 #undef RGB_RED 108 #undef RGB_GREEN 109 #undef RGB_BLUE 110 #undef RGB_ALPHA 111 #undef RGB_PIXELSIZE 112 #undef jsimd_h2v1_merged_upsample_neon 113 #undef jsimd_h2v2_merged_upsample_neon 114 115 #define RGB_RED EXT_XBGR_RED 116 #define RGB_GREEN EXT_XBGR_GREEN 117 #define RGB_BLUE EXT_XBGR_BLUE 118 #define RGB_ALPHA 0 119 #define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE 120 #define jsimd_h2v1_merged_upsample_neon jsimd_h2v1_extxbgr_merged_upsample_neon 121 #define jsimd_h2v2_merged_upsample_neon jsimd_h2v2_extxbgr_merged_upsample_neon 122 #include "jdmrgext-neon.c" 123 #undef RGB_RED 124 #undef RGB_GREEN 125 #undef RGB_BLUE 126 #undef RGB_ALPHA 127 #undef RGB_PIXELSIZE 128 #undef jsimd_h2v1_merged_upsample_neon 129 #undef jsimd_h2v2_merged_upsample_neon 130 131 #define RGB_RED EXT_XRGB_RED 132 #define RGB_GREEN EXT_XRGB_GREEN 133 #define RGB_BLUE EXT_XRGB_BLUE 134 #define RGB_ALPHA 0 135 #define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE 136 #define jsimd_h2v1_merged_upsample_neon jsimd_h2v1_extxrgb_merged_upsample_neon 137 #define jsimd_h2v2_merged_upsample_neon jsimd_h2v2_extxrgb_merged_upsample_neon 138 #include "jdmrgext-neon.c" 139 #undef RGB_RED 140 #undef RGB_GREEN 141 #undef RGB_BLUE 142 #undef RGB_ALPHA 143 #undef RGB_PIXELSIZE 144 #undef jsimd_h2v1_merged_upsample_neon