1; 2; jcgray.asm - grayscale colorspace conversion (SSE2) 3; 4; Copyright (C) 2011, 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; [TAB8] 17 18%include "jsimdext.inc" 19 20; -------------------------------------------------------------------------- 21 22%define SCALEBITS 16 23 24F_0_114 equ 7471 ; FIX(0.11400) 25F_0_250 equ 16384 ; FIX(0.25000) 26F_0_299 equ 19595 ; FIX(0.29900) 27F_0_587 equ 38470 ; FIX(0.58700) 28F_0_337 equ (F_0_587 - F_0_250) ; FIX(0.58700) - FIX(0.25000) 29 30; -------------------------------------------------------------------------- 31 SECTION SEG_CONST 32 33 alignz 16 34 global EXTN(jconst_rgb_gray_convert_sse2) 35 36EXTN(jconst_rgb_gray_convert_sse2): 37 38PW_F0299_F0337 times 4 dw F_0_299, F_0_337 39PW_F0114_F0250 times 4 dw F_0_114, F_0_250 40PD_ONEHALF times 4 dd (1 << (SCALEBITS-1)) 41 42 alignz 16 43 44; -------------------------------------------------------------------------- 45 SECTION SEG_TEXT 46 BITS 32 47 48%include "jcgryext-sse2.asm" 49 50%undef RGB_RED 51%undef RGB_GREEN 52%undef RGB_BLUE 53%undef RGB_PIXELSIZE 54%define RGB_RED EXT_RGB_RED 55%define RGB_GREEN EXT_RGB_GREEN 56%define RGB_BLUE EXT_RGB_BLUE 57%define RGB_PIXELSIZE EXT_RGB_PIXELSIZE 58%define jsimd_rgb_gray_convert_sse2 jsimd_extrgb_gray_convert_sse2 59%include "jcgryext-sse2.asm" 60 61%undef RGB_RED 62%undef RGB_GREEN 63%undef RGB_BLUE 64%undef RGB_PIXELSIZE 65%define RGB_RED EXT_RGBX_RED 66%define RGB_GREEN EXT_RGBX_GREEN 67%define RGB_BLUE EXT_RGBX_BLUE 68%define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE 69%define jsimd_rgb_gray_convert_sse2 jsimd_extrgbx_gray_convert_sse2 70%include "jcgryext-sse2.asm" 71 72%undef RGB_RED 73%undef RGB_GREEN 74%undef RGB_BLUE 75%undef RGB_PIXELSIZE 76%define RGB_RED EXT_BGR_RED 77%define RGB_GREEN EXT_BGR_GREEN 78%define RGB_BLUE EXT_BGR_BLUE 79%define RGB_PIXELSIZE EXT_BGR_PIXELSIZE 80%define jsimd_rgb_gray_convert_sse2 jsimd_extbgr_gray_convert_sse2 81%include "jcgryext-sse2.asm" 82 83%undef RGB_RED 84%undef RGB_GREEN 85%undef RGB_BLUE 86%undef RGB_PIXELSIZE 87%define RGB_RED EXT_BGRX_RED 88%define RGB_GREEN EXT_BGRX_GREEN 89%define RGB_BLUE EXT_BGRX_BLUE 90%define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE 91%define jsimd_rgb_gray_convert_sse2 jsimd_extbgrx_gray_convert_sse2 92%include "jcgryext-sse2.asm" 93 94%undef RGB_RED 95%undef RGB_GREEN 96%undef RGB_BLUE 97%undef RGB_PIXELSIZE 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_sse2 jsimd_extxbgr_gray_convert_sse2 103%include "jcgryext-sse2.asm" 104 105%undef RGB_RED 106%undef RGB_GREEN 107%undef RGB_BLUE 108%undef RGB_PIXELSIZE 109%define RGB_RED EXT_XRGB_RED 110%define RGB_GREEN EXT_XRGB_GREEN 111%define RGB_BLUE EXT_XRGB_BLUE 112%define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE 113%define jsimd_rgb_gray_convert_sse2 jsimd_extxrgb_gray_convert_sse2 114%include "jcgryext-sse2.asm" 115