1; 2; jcgray.asm - grayscale colorspace conversion (MMX) 3; 4; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB 5; Copyright (C) 2011, 2016, D. R. Commander. 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%include "jsimdext.inc" 18 19; -------------------------------------------------------------------------- 20 21%define SCALEBITS 16 22 23F_0_114 equ 7471 ; FIX(0.11400) 24F_0_250 equ 16384 ; FIX(0.25000) 25F_0_299 equ 19595 ; FIX(0.29900) 26F_0_587 equ 38470 ; FIX(0.58700) 27F_0_337 equ (F_0_587 - F_0_250) ; FIX(0.58700) - FIX(0.25000) 28 29; -------------------------------------------------------------------------- 30 SECTION SEG_CONST 31 32 alignz 32 33 GLOBAL_DATA(jconst_rgb_gray_convert_mmx) 34 35EXTN(jconst_rgb_gray_convert_mmx): 36 37PW_F0299_F0337 times 2 dw F_0_299, F_0_337 38PW_F0114_F0250 times 2 dw F_0_114, F_0_250 39PD_ONEHALF times 2 dd (1 << (SCALEBITS - 1)) 40 41 alignz 32 42 43; -------------------------------------------------------------------------- 44 SECTION SEG_TEXT 45 BITS 32 46 47%include "jcgryext-mmx.asm" 48 49%undef RGB_RED 50%undef RGB_GREEN 51%undef RGB_BLUE 52%undef RGB_PIXELSIZE 53%define RGB_RED EXT_RGB_RED 54%define RGB_GREEN EXT_RGB_GREEN 55%define RGB_BLUE EXT_RGB_BLUE 56%define RGB_PIXELSIZE EXT_RGB_PIXELSIZE 57%define jsimd_rgb_gray_convert_mmx jsimd_extrgb_gray_convert_mmx 58%include "jcgryext-mmx.asm" 59 60%undef RGB_RED 61%undef RGB_GREEN 62%undef RGB_BLUE 63%undef RGB_PIXELSIZE 64%define RGB_RED EXT_RGBX_RED 65%define RGB_GREEN EXT_RGBX_GREEN 66%define RGB_BLUE EXT_RGBX_BLUE 67%define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE 68%define jsimd_rgb_gray_convert_mmx jsimd_extrgbx_gray_convert_mmx 69%include "jcgryext-mmx.asm" 70 71%undef RGB_RED 72%undef RGB_GREEN 73%undef RGB_BLUE 74%undef RGB_PIXELSIZE 75%define RGB_RED EXT_BGR_RED 76%define RGB_GREEN EXT_BGR_GREEN 77%define RGB_BLUE EXT_BGR_BLUE 78%define RGB_PIXELSIZE EXT_BGR_PIXELSIZE 79%define jsimd_rgb_gray_convert_mmx jsimd_extbgr_gray_convert_mmx 80%include "jcgryext-mmx.asm" 81 82%undef RGB_RED 83%undef RGB_GREEN 84%undef RGB_BLUE 85%undef RGB_PIXELSIZE 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_mmx jsimd_extbgrx_gray_convert_mmx 91%include "jcgryext-mmx.asm" 92 93%undef RGB_RED 94%undef RGB_GREEN 95%undef RGB_BLUE 96%undef RGB_PIXELSIZE 97%define RGB_RED EXT_XBGR_RED 98%define RGB_GREEN EXT_XBGR_GREEN 99%define RGB_BLUE EXT_XBGR_BLUE 100%define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE 101%define jsimd_rgb_gray_convert_mmx jsimd_extxbgr_gray_convert_mmx 102%include "jcgryext-mmx.asm" 103 104%undef RGB_RED 105%undef RGB_GREEN 106%undef RGB_BLUE 107%undef RGB_PIXELSIZE 108%define RGB_RED EXT_XRGB_RED 109%define RGB_GREEN EXT_XRGB_GREEN 110%define RGB_BLUE EXT_XRGB_BLUE 111%define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE 112%define jsimd_rgb_gray_convert_mmx jsimd_extxrgb_gray_convert_mmx 113%include "jcgryext-mmx.asm" 114