1 /* 2 * jcgray-neon.c - grayscale colorspace 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 /* RGB -> Grayscale conversion constants */ 36 37 #define F_0_298 19595 38 #define F_0_587 38470 39 #define F_0_113 7471 40 41 42 /* Include inline routines for colorspace extensions. */ 43 44 #include "jcgryext-neon.c" 45 #undef RGB_RED 46 #undef RGB_GREEN 47 #undef RGB_BLUE 48 #undef RGB_PIXELSIZE 49 50 #define RGB_RED EXT_RGB_RED 51 #define RGB_GREEN EXT_RGB_GREEN 52 #define RGB_BLUE EXT_RGB_BLUE 53 #define RGB_PIXELSIZE EXT_RGB_PIXELSIZE 54 #define jsimd_rgb_gray_convert_neon jsimd_extrgb_gray_convert_neon 55 #include "jcgryext-neon.c" 56 #undef RGB_RED 57 #undef RGB_GREEN 58 #undef RGB_BLUE 59 #undef RGB_PIXELSIZE 60 #undef jsimd_rgb_gray_convert_neon 61 62 #define RGB_RED EXT_RGBX_RED 63 #define RGB_GREEN EXT_RGBX_GREEN 64 #define RGB_BLUE EXT_RGBX_BLUE 65 #define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE 66 #define jsimd_rgb_gray_convert_neon jsimd_extrgbx_gray_convert_neon 67 #include "jcgryext-neon.c" 68 #undef RGB_RED 69 #undef RGB_GREEN 70 #undef RGB_BLUE 71 #undef RGB_PIXELSIZE 72 #undef jsimd_rgb_gray_convert_neon 73 74 #define RGB_RED EXT_BGR_RED 75 #define RGB_GREEN EXT_BGR_GREEN 76 #define RGB_BLUE EXT_BGR_BLUE 77 #define RGB_PIXELSIZE EXT_BGR_PIXELSIZE 78 #define jsimd_rgb_gray_convert_neon jsimd_extbgr_gray_convert_neon 79 #include "jcgryext-neon.c" 80 #undef RGB_RED 81 #undef RGB_GREEN 82 #undef RGB_BLUE 83 #undef RGB_PIXELSIZE 84 #undef jsimd_rgb_gray_convert_neon 85 86 #define RGB_RED EXT_BGRX_RED 87 #define RGB_GREEN EXT_BGRX_GREEN 88 #define RGB_BLUE EXT_BGRX_BLUE 89 #define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE 90 #define jsimd_rgb_gray_convert_neon jsimd_extbgrx_gray_convert_neon 91 #include "jcgryext-neon.c" 92 #undef RGB_RED 93 #undef RGB_GREEN 94 #undef RGB_BLUE 95 #undef RGB_PIXELSIZE 96 #undef jsimd_rgb_gray_convert_neon 97 98 #define RGB_RED EXT_XBGR_RED 99 #define RGB_GREEN EXT_XBGR_GREEN 100 #define RGB_BLUE EXT_XBGR_BLUE 101 #define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE 102 #define jsimd_rgb_gray_convert_neon jsimd_extxbgr_gray_convert_neon 103 #include "jcgryext-neon.c" 104 #undef RGB_RED 105 #undef RGB_GREEN 106 #undef RGB_BLUE 107 #undef RGB_PIXELSIZE 108 #undef jsimd_rgb_gray_convert_neon 109 110 #define RGB_RED EXT_XRGB_RED 111 #define RGB_GREEN EXT_XRGB_GREEN 112 #define RGB_BLUE EXT_XRGB_BLUE 113 #define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE 114 #define jsimd_rgb_gray_convert_neon jsimd_extxrgb_gray_convert_neon 115 #include "jcgryext-neon.c" 116 #undef RGB_RED 117 #undef RGB_GREEN 118 #undef RGB_BLUE 119 #undef RGB_PIXELSIZE 120 #undef jsimd_rgb_gray_convert_neon 121