1 ; 2 ; jcgray.asm - grayscale colorspace conversion (MMX) 3 ; 4 ; Copyright 2009 Pierre Ossman <ossman (a] cendio.se> for Cendio AB 5 ; Copyright 2011 D. R. Commander 6 ; 7 ; Based on 8 ; x86 SIMD extension for IJG JPEG library 9 ; Copyright (C) 1999-2006, MIYASAKA Masaru. 10 ; For conditions of distribution and use, see copyright notice in jsimdext.inc 11 ; 12 ; This file should be assembled with NASM (Netwide Assembler), 13 ; can *not* be assembled with Microsoft's MASM or any compatible 14 ; assembler (including Borland's Turbo Assembler). 15 ; NASM is available from http://nasm.sourceforge.net/ or 16 ; http://sourceforge.net/project/showfiles.php?group_id=6208 17 ; 18 ; [TAB8] 19 20 %include "jsimdext.inc" 21 22 ; -------------------------------------------------------------------------- 23 24 %define SCALEBITS 16 25 26 F_0_114 equ 7471 ; FIX(0.11400) 27 F_0_250 equ 16384 ; FIX(0.25000) 28 F_0_299 equ 19595 ; FIX(0.29900) 29 F_0_587 equ 38470 ; FIX(0.58700) 30 F_0_337 equ (F_0_587 - F_0_250) ; FIX(0.58700) - FIX(0.25000) 31 32 ; -------------------------------------------------------------------------- 33 SECTION SEG_CONST 34 35 alignz 16 36 global EXTN(jconst_rgb_gray_convert_mmx) 37 38 EXTN(jconst_rgb_gray_convert_mmx): 39 40 PW_F0299_F0337 times 2 dw F_0_299, F_0_337 41 PW_F0114_F0250 times 2 dw F_0_114, F_0_250 42 PD_ONEHALF times 2 dd (1 << (SCALEBITS-1)) 43 44 alignz 16 45 46 ; -------------------------------------------------------------------------- 47 SECTION SEG_TEXT 48 BITS 32 49 50 %include "jcgryext-mmx.asm" 51 52 %undef RGB_RED 53 %undef RGB_GREEN 54 %undef RGB_BLUE 55 %undef RGB_PIXELSIZE 56 %define RGB_RED EXT_RGB_RED 57 %define RGB_GREEN EXT_RGB_GREEN 58 %define RGB_BLUE EXT_RGB_BLUE 59 %define RGB_PIXELSIZE EXT_RGB_PIXELSIZE 60 %define jsimd_rgb_gray_convert_mmx jsimd_extrgb_gray_convert_mmx 61 %include "jcgryext-mmx.asm" 62 63 %undef RGB_RED 64 %undef RGB_GREEN 65 %undef RGB_BLUE 66 %undef RGB_PIXELSIZE 67 %define RGB_RED EXT_RGBX_RED 68 %define RGB_GREEN EXT_RGBX_GREEN 69 %define RGB_BLUE EXT_RGBX_BLUE 70 %define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE 71 %define jsimd_rgb_gray_convert_mmx jsimd_extrgbx_gray_convert_mmx 72 %include "jcgryext-mmx.asm" 73 74 %undef RGB_RED 75 %undef RGB_GREEN 76 %undef RGB_BLUE 77 %undef RGB_PIXELSIZE 78 %define RGB_RED EXT_BGR_RED 79 %define RGB_GREEN EXT_BGR_GREEN 80 %define RGB_BLUE EXT_BGR_BLUE 81 %define RGB_PIXELSIZE EXT_BGR_PIXELSIZE 82 %define jsimd_rgb_gray_convert_mmx jsimd_extbgr_gray_convert_mmx 83 %include "jcgryext-mmx.asm" 84 85 %undef RGB_RED 86 %undef RGB_GREEN 87 %undef RGB_BLUE 88 %undef RGB_PIXELSIZE 89 %define RGB_RED EXT_BGRX_RED 90 %define RGB_GREEN EXT_BGRX_GREEN 91 %define RGB_BLUE EXT_BGRX_BLUE 92 %define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE 93 %define jsimd_rgb_gray_convert_mmx jsimd_extbgrx_gray_convert_mmx 94 %include "jcgryext-mmx.asm" 95 96 %undef RGB_RED 97 %undef RGB_GREEN 98 %undef RGB_BLUE 99 %undef RGB_PIXELSIZE 100 %define RGB_RED EXT_XBGR_RED 101 %define RGB_GREEN EXT_XBGR_GREEN 102 %define RGB_BLUE EXT_XBGR_BLUE 103 %define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE 104 %define jsimd_rgb_gray_convert_mmx jsimd_extxbgr_gray_convert_mmx 105 %include "jcgryext-mmx.asm" 106 107 %undef RGB_RED 108 %undef RGB_GREEN 109 %undef RGB_BLUE 110 %undef RGB_PIXELSIZE 111 %define RGB_RED EXT_XRGB_RED 112 %define RGB_GREEN EXT_XRGB_GREEN 113 %define RGB_BLUE EXT_XRGB_BLUE 114 %define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE 115 %define jsimd_rgb_gray_convert_mmx jsimd_extxrgb_gray_convert_mmx 116 %include "jcgryext-mmx.asm" 117
