зеркало из https://github.com/mozilla/mozjpeg.git
118 строки
2.9 KiB
NASM
118 строки
2.9 KiB
NASM
|
;
|
||
|
; jdcolss2.asm - colorspace conversion (64-bit SSE2)
|
||
|
;
|
||
|
; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
|
||
|
; Copyright 2009 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_344 equ 22554 ; FIX(0.34414)
|
||
|
F_0_714 equ 46802 ; FIX(0.71414)
|
||
|
F_1_402 equ 91881 ; FIX(1.40200)
|
||
|
F_1_772 equ 116130 ; FIX(1.77200)
|
||
|
F_0_402 equ (F_1_402 - 65536) ; FIX(1.40200) - FIX(1)
|
||
|
F_0_285 equ ( 65536 - F_0_714) ; FIX(1) - FIX(0.71414)
|
||
|
F_0_228 equ (131072 - F_1_772) ; FIX(2) - FIX(1.77200)
|
||
|
|
||
|
; --------------------------------------------------------------------------
|
||
|
SECTION SEG_CONST
|
||
|
|
||
|
alignz 16
|
||
|
global EXTN(jconst_ycc_rgb_convert_sse2)
|
||
|
|
||
|
EXTN(jconst_ycc_rgb_convert_sse2):
|
||
|
|
||
|
PW_F0402 times 8 dw F_0_402
|
||
|
PW_MF0228 times 8 dw -F_0_228
|
||
|
PW_MF0344_F0285 times 4 dw -F_0_344, F_0_285
|
||
|
PW_ONE times 8 dw 1
|
||
|
PD_ONEHALF times 4 dd 1 << (SCALEBITS-1)
|
||
|
|
||
|
alignz 16
|
||
|
|
||
|
; --------------------------------------------------------------------------
|
||
|
%include "jdclrss2-64.asm"
|
||
|
|
||
|
%undef RGB_RED
|
||
|
%undef RGB_GREEN
|
||
|
%undef RGB_BLUE
|
||
|
%undef RGB_PIXELSIZE
|
||
|
%define RGB_RED 0
|
||
|
%define RGB_GREEN 1
|
||
|
%define RGB_BLUE 2
|
||
|
%define RGB_PIXELSIZE 3
|
||
|
%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extrgb_convert_sse2
|
||
|
%include "jdclrss2-64.asm"
|
||
|
|
||
|
%undef RGB_RED
|
||
|
%undef RGB_GREEN
|
||
|
%undef RGB_BLUE
|
||
|
%undef RGB_PIXELSIZE
|
||
|
%define RGB_RED 0
|
||
|
%define RGB_GREEN 1
|
||
|
%define RGB_BLUE 2
|
||
|
%define RGB_PIXELSIZE 4
|
||
|
%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extrgbx_convert_sse2
|
||
|
%include "jdclrss2-64.asm"
|
||
|
|
||
|
%undef RGB_RED
|
||
|
%undef RGB_GREEN
|
||
|
%undef RGB_BLUE
|
||
|
%undef RGB_PIXELSIZE
|
||
|
%define RGB_RED 2
|
||
|
%define RGB_GREEN 1
|
||
|
%define RGB_BLUE 0
|
||
|
%define RGB_PIXELSIZE 3
|
||
|
%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extbgr_convert_sse2
|
||
|
%include "jdclrss2-64.asm"
|
||
|
|
||
|
%undef RGB_RED
|
||
|
%undef RGB_GREEN
|
||
|
%undef RGB_BLUE
|
||
|
%undef RGB_PIXELSIZE
|
||
|
%define RGB_RED 2
|
||
|
%define RGB_GREEN 1
|
||
|
%define RGB_BLUE 0
|
||
|
%define RGB_PIXELSIZE 4
|
||
|
%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extbgrx_convert_sse2
|
||
|
%include "jdclrss2-64.asm"
|
||
|
|
||
|
%undef RGB_RED
|
||
|
%undef RGB_GREEN
|
||
|
%undef RGB_BLUE
|
||
|
%undef RGB_PIXELSIZE
|
||
|
%define RGB_RED 3
|
||
|
%define RGB_GREEN 2
|
||
|
%define RGB_BLUE 1
|
||
|
%define RGB_PIXELSIZE 4
|
||
|
%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extxbgr_convert_sse2
|
||
|
%include "jdclrss2-64.asm"
|
||
|
|
||
|
%undef RGB_RED
|
||
|
%undef RGB_GREEN
|
||
|
%undef RGB_BLUE
|
||
|
%undef RGB_PIXELSIZE
|
||
|
%define RGB_RED 1
|
||
|
%define RGB_GREEN 2
|
||
|
%define RGB_BLUE 3
|
||
|
%define RGB_PIXELSIZE 4
|
||
|
%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extxrgb_convert_sse2
|
||
|
%include "jdclrss2-64.asm"
|