kc3-lang/libjpeg-turbo/simd/jdcolor-avx2-64.asm

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• Hash : 72c837da
  Author :
  Date : 2016-05-29T06:54:56
  

  64-bit AVX2 impl. of YCC->RGB color conversion
  

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• simd/jdcolor-avx2-64.asm

• ;
  ; jdcolor.asm - colorspace conversion (64-bit AVX2)
  ;
  ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
  ; Copyright (C) 2009, 2016, D. R. Commander.
  ; Copyright (C) 2015, Intel Corporation.
  ;
  ; Based on the 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      32
      global      EXTN(jconst_ycc_rgb_convert_avx2)
  
  EXTN(jconst_ycc_rgb_convert_avx2):
  
  PW_F0402        times 16 dw  F_0_402
  PW_MF0228       times 16 dw -F_0_228
  PW_MF0344_F0285 times 8  dw -F_0_344, F_0_285
  PW_ONE          times 16 dw  1
  PD_ONEHALF      times 8  dd  1 << (SCALEBITS-1)
  
      alignz      32
  
  ; --------------------------------------------------------------------------
      SECTION     SEG_TEXT
      BITS        64
  
  %include "jdcolext-avx2-64.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_ycc_rgb_convert_avx2 jsimd_ycc_extrgb_convert_avx2
  %include "jdcolext-avx2-64.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_ycc_rgb_convert_avx2 jsimd_ycc_extrgbx_convert_avx2
  %include "jdcolext-avx2-64.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_ycc_rgb_convert_avx2 jsimd_ycc_extbgr_convert_avx2
  %include "jdcolext-avx2-64.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_ycc_rgb_convert_avx2 jsimd_ycc_extbgrx_convert_avx2
  %include "jdcolext-avx2-64.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_ycc_rgb_convert_avx2 jsimd_ycc_extxbgr_convert_avx2
  %include "jdcolext-avx2-64.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_ycc_rgb_convert_avx2 jsimd_ycc_extxrgb_convert_avx2
  %include "jdcolext-avx2-64.asm"
  

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