зеркало из https://github.com/mozilla/mozjpeg.git
118 строки
2.9 KiB
NASM
118 строки
2.9 KiB
NASM
;
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; jdcolss2.asm - colorspace conversion (SSE2)
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;
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; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
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; Copyright 2009 D. R. Commander
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;
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; Based on
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; x86 SIMD extension for IJG JPEG library
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; Copyright (C) 1999-2006, MIYASAKA Masaru.
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; For conditions of distribution and use, see copyright notice in jsimdext.inc
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;
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; This file should be assembled with NASM (Netwide Assembler),
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; can *not* be assembled with Microsoft's MASM or any compatible
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; assembler (including Borland's Turbo Assembler).
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; NASM is available from http://nasm.sourceforge.net/ or
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; http://sourceforge.net/project/showfiles.php?group_id=6208
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;
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; [TAB8]
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%include "jsimdext.inc"
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; --------------------------------------------------------------------------
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%define SCALEBITS 16
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F_0_344 equ 22554 ; FIX(0.34414)
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F_0_714 equ 46802 ; FIX(0.71414)
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F_1_402 equ 91881 ; FIX(1.40200)
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F_1_772 equ 116130 ; FIX(1.77200)
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F_0_402 equ (F_1_402 - 65536) ; FIX(1.40200) - FIX(1)
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F_0_285 equ ( 65536 - F_0_714) ; FIX(1) - FIX(0.71414)
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F_0_228 equ (131072 - F_1_772) ; FIX(2) - FIX(1.77200)
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; --------------------------------------------------------------------------
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SECTION SEG_CONST
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alignz 16
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global EXTN(jconst_ycc_rgb_convert_sse2)
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EXTN(jconst_ycc_rgb_convert_sse2):
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PW_F0402 times 8 dw F_0_402
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PW_MF0228 times 8 dw -F_0_228
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PW_MF0344_F0285 times 4 dw -F_0_344, F_0_285
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PW_ONE times 8 dw 1
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PD_ONEHALF times 4 dd 1 << (SCALEBITS-1)
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alignz 16
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; --------------------------------------------------------------------------
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%include "jdclrss2.asm"
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%undef RGB_RED
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%undef RGB_GREEN
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%undef RGB_BLUE
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%undef RGB_PIXELSIZE
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%define RGB_RED 0
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%define RGB_GREEN 1
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%define RGB_BLUE 2
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%define RGB_PIXELSIZE 3
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%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extrgb_convert_sse2
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%include "jdclrss2.asm"
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%undef RGB_RED
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%undef RGB_GREEN
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%undef RGB_BLUE
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%undef RGB_PIXELSIZE
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%define RGB_RED 0
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%define RGB_GREEN 1
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%define RGB_BLUE 2
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%define RGB_PIXELSIZE 4
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%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extrgbx_convert_sse2
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%include "jdclrss2.asm"
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%undef RGB_RED
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%undef RGB_GREEN
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%undef RGB_BLUE
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%undef RGB_PIXELSIZE
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%define RGB_RED 2
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%define RGB_GREEN 1
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%define RGB_BLUE 0
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%define RGB_PIXELSIZE 3
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%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extbgr_convert_sse2
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%include "jdclrss2.asm"
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%undef RGB_RED
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%undef RGB_GREEN
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%undef RGB_BLUE
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%undef RGB_PIXELSIZE
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%define RGB_RED 2
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%define RGB_GREEN 1
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%define RGB_BLUE 0
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%define RGB_PIXELSIZE 4
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%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extbgrx_convert_sse2
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%include "jdclrss2.asm"
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%undef RGB_RED
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%undef RGB_GREEN
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%undef RGB_BLUE
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%undef RGB_PIXELSIZE
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%define RGB_RED 3
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%define RGB_GREEN 2
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%define RGB_BLUE 1
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%define RGB_PIXELSIZE 4
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%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extxbgr_convert_sse2
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%include "jdclrss2.asm"
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%undef RGB_RED
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%undef RGB_GREEN
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%undef RGB_BLUE
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%undef RGB_PIXELSIZE
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%define RGB_RED 1
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%define RGB_GREEN 2
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%define RGB_BLUE 3
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%define RGB_PIXELSIZE 4
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%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extxrgb_convert_sse2
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%include "jdclrss2.asm"
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