1; 2; jcgray.asm - grayscale colorspace conversion (64-bit AVX2) 3; 4; Copyright (C) 2011, 2016, D. R. Commander. 5; Copyright (C) 2015, Intel Corporation. 6; 7; Based on the x86 SIMD extension for IJG JPEG library 8; Copyright (C) 1999-2006, MIYASAKA Masaru. 9; For conditions of distribution and use, see copyright notice in jsimdext.inc 10; 11; This file should be assembled with NASM (Netwide Assembler), 12; can *not* be assembled with Microsoft's MASM or any compatible 13; assembler (including Borland's Turbo Assembler). 14; NASM is available from http://nasm.sourceforge.net/ or 15; http://sourceforge.net/project/showfiles.php?group_id=6208 16; 17; [TAB8] 18 19%include "jsimdext.inc" 20 21; -------------------------------------------------------------------------- 22 23%define SCALEBITS 16 24 25F_0_114 equ 7471 ; FIX(0.11400) 26F_0_250 equ 16384 ; FIX(0.25000) 27F_0_299 equ 19595 ; FIX(0.29900) 28F_0_587 equ 38470 ; FIX(0.58700) 29F_0_337 equ (F_0_587 - F_0_250) ; FIX(0.58700) - FIX(0.25000) 30 31; -------------------------------------------------------------------------- 32 SECTION SEG_CONST 33 34 alignz 32 35 GLOBAL_DATA(jconst_rgb_gray_convert_avx2) 36 37EXTN(jconst_rgb_gray_convert_avx2): 38 39PW_F0299_F0337 times 8 dw F_0_299, F_0_337 40PW_F0114_F0250 times 8 dw F_0_114, F_0_250 41PD_ONEHALF times 8 dd (1 << (SCALEBITS - 1)) 42 43 alignz 32 44 45; -------------------------------------------------------------------------- 46 SECTION SEG_TEXT 47 BITS 64 48 49%include "jcgryext-avx2.asm" 50 51%undef RGB_RED 52%undef RGB_GREEN 53%undef RGB_BLUE 54%undef RGB_PIXELSIZE 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_rgb_gray_convert_avx2 jsimd_extrgb_gray_convert_avx2 60%include "jcgryext-avx2.asm" 61 62%undef RGB_RED 63%undef RGB_GREEN 64%undef RGB_BLUE 65%undef RGB_PIXELSIZE 66%define RGB_RED EXT_RGBX_RED 67%define RGB_GREEN EXT_RGBX_GREEN 68%define RGB_BLUE EXT_RGBX_BLUE 69%define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE 70%define jsimd_rgb_gray_convert_avx2 jsimd_extrgbx_gray_convert_avx2 71%include "jcgryext-avx2.asm" 72 73%undef RGB_RED 74%undef RGB_GREEN 75%undef RGB_BLUE 76%undef RGB_PIXELSIZE 77%define RGB_RED EXT_BGR_RED 78%define RGB_GREEN EXT_BGR_GREEN 79%define RGB_BLUE EXT_BGR_BLUE 80%define RGB_PIXELSIZE EXT_BGR_PIXELSIZE 81%define jsimd_rgb_gray_convert_avx2 jsimd_extbgr_gray_convert_avx2 82%include "jcgryext-avx2.asm" 83 84%undef RGB_RED 85%undef RGB_GREEN 86%undef RGB_BLUE 87%undef RGB_PIXELSIZE 88%define RGB_RED EXT_BGRX_RED 89%define RGB_GREEN EXT_BGRX_GREEN 90%define RGB_BLUE EXT_BGRX_BLUE 91%define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE 92%define jsimd_rgb_gray_convert_avx2 jsimd_extbgrx_gray_convert_avx2 93%include "jcgryext-avx2.asm" 94 95%undef RGB_RED 96%undef RGB_GREEN 97%undef RGB_BLUE 98%undef RGB_PIXELSIZE 99%define RGB_RED EXT_XBGR_RED 100%define RGB_GREEN EXT_XBGR_GREEN 101%define RGB_BLUE EXT_XBGR_BLUE 102%define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE 103%define jsimd_rgb_gray_convert_avx2 jsimd_extxbgr_gray_convert_avx2 104%include "jcgryext-avx2.asm" 105 106%undef RGB_RED 107%undef RGB_GREEN 108%undef RGB_BLUE 109%undef RGB_PIXELSIZE 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_avx2 jsimd_extxrgb_gray_convert_avx2 115%include "jcgryext-avx2.asm" 116