1 ; 2 ; jcgrass2.asm - grayscale colorspace conversion (SSE2) 3 ; 4 ; x86 SIMD extension for IJG JPEG library 5 ; Copyright (C) 1999-2006, MIYASAKA Masaru. 6 ; Copyright (C) 2011, D. R. Commander. 7 ; For conditions of distribution and use, see copyright notice in jsimdext.inc 8 ; 9 ; This file should be assembled with NASM (Netwide Assembler), 10 ; can *not* be assembled with Microsoft's MASM or any compatible 11 ; assembler (including Borland's Turbo Assembler). 12 ; NASM is available from http://nasm.sourceforge.net/ or 13 ; http://sourceforge.net/project/showfiles.php?group_id=6208 14 ; 15 ; [TAB8] 16 17 %include "jsimdext.inc" 18 19 ; -------------------------------------------------------------------------- 20 21 %define SCALEBITS 16 22 23 F_0_114 equ 7471 ; FIX(0.11400) 24 F_0_250 equ 16384 ; FIX(0.25000) 25 F_0_299 equ 19595 ; FIX(0.29900) 26 F_0_587 equ 38470 ; FIX(0.58700) 27 F_0_337 equ (F_0_587 - F_0_250) ; FIX(0.58700) - FIX(0.25000) 28 29 ; -------------------------------------------------------------------------- 30 SECTION SEG_CONST 31 32 alignz 16 33 global EXTN(jconst_rgb_gray_convert_sse2) PRIVATE 34 35 EXTN(jconst_rgb_gray_convert_sse2): 36 37 PW_F0299_F0337 times 4 dw F_0_299, F_0_337 38 PW_F0114_F0250 times 4 dw F_0_114, F_0_250 39 PD_ONEHALF times 4 dd (1 << (SCALEBITS-1)) 40 41 alignz 16 42 43 ; -------------------------------------------------------------------------- 44 SECTION SEG_TEXT 45 BITS 32 46 47 %include "jcgryss2.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_sse2 jsimd_extrgb_gray_convert_sse2 58 %include "jcgryss2.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_sse2 jsimd_extrgbx_gray_convert_sse2 69 %include "jcgryss2.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_sse2 jsimd_extbgr_gray_convert_sse2 80 %include "jcgryss2.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_sse2 jsimd_extbgrx_gray_convert_sse2 91 %include "jcgryss2.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_sse2 jsimd_extxbgr_gray_convert_sse2 102 %include "jcgryss2.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_sse2 jsimd_extxrgb_gray_convert_sse2 113 %include "jcgryss2.asm" 114
