1; 2; jcgray.asm - grayscale colorspace conversion (64-bit SSE2) 3; 4; Copyright (C) 2011, 2016, D. R. Commander. 5; 6; Based on the x86 SIMD extension for IJG JPEG library 7; Copyright (C) 1999-2006, MIYASAKA Masaru. 8; For conditions of distribution and use, see copyright notice in jsimdext.inc 9; 10; This file should be assembled with NASM (Netwide Assembler), 11; can *not* be assembled with Microsoft's MASM or any compatible 12; assembler (including Borland's Turbo Assembler). 13; NASM is available from http://nasm.sourceforge.net/ or 14; http://sourceforge.net/project/showfiles.php?group_id=6208 15 16%include "jsimdext.inc" 17 18; -------------------------------------------------------------------------- 19 20%define SCALEBITS 16 21 22F_0_114 equ 7471 ; FIX(0.11400) 23F_0_250 equ 16384 ; FIX(0.25000) 24F_0_299 equ 19595 ; FIX(0.29900) 25F_0_587 equ 38470 ; FIX(0.58700) 26F_0_337 equ (F_0_587 - F_0_250) ; FIX(0.58700) - FIX(0.25000) 27 28; -------------------------------------------------------------------------- 29 SECTION SEG_CONST 30 31 alignz 32 32 GLOBAL_DATA(jconst_rgb_gray_convert_sse2) 33 34EXTN(jconst_rgb_gray_convert_sse2): 35 36PW_F0299_F0337 times 4 dw F_0_299, F_0_337 37PW_F0114_F0250 times 4 dw F_0_114, F_0_250 38PD_ONEHALF times 4 dd (1 << (SCALEBITS - 1)) 39 40 alignz 32 41 42; -------------------------------------------------------------------------- 43 SECTION SEG_TEXT 44 BITS 64 45 46%include "jcgryext-sse2.asm" 47 48%undef RGB_RED 49%undef RGB_GREEN 50%undef RGB_BLUE 51%undef RGB_PIXELSIZE 52%define RGB_RED EXT_RGB_RED 53%define RGB_GREEN EXT_RGB_GREEN 54%define RGB_BLUE EXT_RGB_BLUE 55%define RGB_PIXELSIZE EXT_RGB_PIXELSIZE 56%define jsimd_rgb_gray_convert_sse2 jsimd_extrgb_gray_convert_sse2 57%include "jcgryext-sse2.asm" 58 59%undef RGB_RED 60%undef RGB_GREEN 61%undef RGB_BLUE 62%undef RGB_PIXELSIZE 63%define RGB_RED EXT_RGBX_RED 64%define RGB_GREEN EXT_RGBX_GREEN 65%define RGB_BLUE EXT_RGBX_BLUE 66%define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE 67%define jsimd_rgb_gray_convert_sse2 jsimd_extrgbx_gray_convert_sse2 68%include "jcgryext-sse2.asm" 69 70%undef RGB_RED 71%undef RGB_GREEN 72%undef RGB_BLUE 73%undef RGB_PIXELSIZE 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_sse2 jsimd_extbgr_gray_convert_sse2 79%include "jcgryext-sse2.asm" 80 81%undef RGB_RED 82%undef RGB_GREEN 83%undef RGB_BLUE 84%undef RGB_PIXELSIZE 85%define RGB_RED EXT_BGRX_RED 86%define RGB_GREEN EXT_BGRX_GREEN 87%define RGB_BLUE EXT_BGRX_BLUE 88%define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE 89%define jsimd_rgb_gray_convert_sse2 jsimd_extbgrx_gray_convert_sse2 90%include "jcgryext-sse2.asm" 91 92%undef RGB_RED 93%undef RGB_GREEN 94%undef RGB_BLUE 95%undef RGB_PIXELSIZE 96%define RGB_RED EXT_XBGR_RED 97%define RGB_GREEN EXT_XBGR_GREEN 98%define RGB_BLUE EXT_XBGR_BLUE 99%define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE 100%define jsimd_rgb_gray_convert_sse2 jsimd_extxbgr_gray_convert_sse2 101%include "jcgryext-sse2.asm" 102 103%undef RGB_RED 104%undef RGB_GREEN 105%undef RGB_BLUE 106%undef RGB_PIXELSIZE 107%define RGB_RED EXT_XRGB_RED 108%define RGB_GREEN EXT_XRGB_GREEN 109%define RGB_BLUE EXT_XRGB_BLUE 110%define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE 111%define jsimd_rgb_gray_convert_sse2 jsimd_extxrgb_gray_convert_sse2 112%include "jcgryext-sse2.asm" 113