kc3-lang/libjpeg-turbo/simd/jcgrammx.asm

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• Hash : b4570bbf
  Author :
  Date : 2011-09-07T06:31:00
  

  Improve performance of non-SIMD color conversion routines and use global constants to define colorspace extension parameters
  
  
  git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@698 632fc199-4ca6-4c93-a231-07263d6284db
  

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• simd/jcgrammx.asm

• ;
  ; jcgrammx.asm - grayscale colorspace conversion (MMX)
  ;
  ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
  ; Copyright 2011 D. R. Commander
  ;
  ; Based on
  ; x86 SIMD extension for IJG JPEG library
  ; Copyright (C) 1999-2006, MIYASAKA Masaru.
  ; For conditions of distribution and use, see copyright notice in jsimdext.inc
  ;
  ; This file should be assembled with NASM (Netwide Assembler),
  ; can *not* be assembled with Microsoft's MASM or any compatible
  ; assembler (including Borland's Turbo Assembler).
  ; NASM is available from http://nasm.sourceforge.net/ or
  ; http://sourceforge.net/project/showfiles.php?group_id=6208
  ;
  ; [TAB8]
  
  %include "jsimdext.inc"
  
  ; --------------------------------------------------------------------------
  
  %define SCALEBITS	16
  
  F_0_114	equ	 7471			; FIX(0.11400)
  F_0_250	equ	16384			; FIX(0.25000)
  F_0_299	equ	19595			; FIX(0.29900)
  F_0_587	equ	38470			; FIX(0.58700)
  F_0_337	equ	(F_0_587 - F_0_250)	; FIX(0.58700) - FIX(0.25000)
  
  ; --------------------------------------------------------------------------
  	SECTION	SEG_CONST
  
  	alignz	16
  	global	EXTN(jconst_rgb_gray_convert_mmx)
  
  EXTN(jconst_rgb_gray_convert_mmx):
  
  PW_F0299_F0337	times 2 dw  F_0_299, F_0_337
  PW_F0114_F0250	times 2 dw  F_0_114, F_0_250
  PD_ONEHALF	times 2 dd  (1 << (SCALEBITS-1))
  
  	alignz	16
  
  ; --------------------------------------------------------------------------
  	SECTION	SEG_TEXT
  	BITS	32
  
  %include "jcgrymmx.asm"
  
  %undef RGB_RED
  %undef RGB_GREEN
  %undef RGB_BLUE
  %undef RGB_PIXELSIZE
  %define RGB_RED EXT_RGB_RED
  %define RGB_GREEN EXT_RGB_GREEN
  %define RGB_BLUE EXT_RGB_BLUE
  %define RGB_PIXELSIZE EXT_RGB_PIXELSIZE
  %define jsimd_rgb_gray_convert_mmx jsimd_extrgb_gray_convert_mmx
  %include "jcgrymmx.asm"
  
  %undef RGB_RED
  %undef RGB_GREEN
  %undef RGB_BLUE
  %undef RGB_PIXELSIZE
  %define RGB_RED EXT_RGBX_RED
  %define RGB_GREEN EXT_RGBX_GREEN
  %define RGB_BLUE EXT_RGBX_BLUE
  %define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE
  %define jsimd_rgb_gray_convert_mmx jsimd_extrgbx_gray_convert_mmx
  %include "jcgrymmx.asm"
  
  %undef RGB_RED
  %undef RGB_GREEN
  %undef RGB_BLUE
  %undef RGB_PIXELSIZE
  %define RGB_RED EXT_BGR_RED
  %define RGB_GREEN EXT_BGR_GREEN
  %define RGB_BLUE EXT_BGR_BLUE
  %define RGB_PIXELSIZE EXT_BGR_PIXELSIZE
  %define jsimd_rgb_gray_convert_mmx jsimd_extbgr_gray_convert_mmx
  %include "jcgrymmx.asm"
  
  %undef RGB_RED
  %undef RGB_GREEN
  %undef RGB_BLUE
  %undef RGB_PIXELSIZE
  %define RGB_RED EXT_BGRX_RED
  %define RGB_GREEN EXT_BGRX_GREEN
  %define RGB_BLUE EXT_BGRX_BLUE
  %define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE
  %define jsimd_rgb_gray_convert_mmx jsimd_extbgrx_gray_convert_mmx
  %include "jcgrymmx.asm"
  
  %undef RGB_RED
  %undef RGB_GREEN
  %undef RGB_BLUE
  %undef RGB_PIXELSIZE
  %define RGB_RED EXT_XBGR_RED
  %define RGB_GREEN EXT_XBGR_GREEN
  %define RGB_BLUE EXT_XBGR_BLUE
  %define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE
  %define jsimd_rgb_gray_convert_mmx jsimd_extxbgr_gray_convert_mmx
  %include "jcgrymmx.asm"
  
  %undef RGB_RED
  %undef RGB_GREEN
  %undef RGB_BLUE
  %undef RGB_PIXELSIZE
  %define RGB_RED EXT_XRGB_RED
  %define RGB_GREEN EXT_XRGB_GREEN
  %define RGB_BLUE EXT_XRGB_BLUE
  %define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE
  %define jsimd_rgb_gray_convert_mmx jsimd_extxrgb_gray_convert_mmx
  %include "jcgrymmx.asm"
  

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