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jcgray-avx2.asm (3133B)


      1 ;
      2 ; jcgray.asm - grayscale colorspace conversion (64-bit AVX2)
      3 ;
      4 ; Copyright (C) 2011, 2016, 2024, D. R. Commander.
      5 ; Copyright (C) 2015, Intel Corporation.
      6 ;
      7 ; Based on the x86 SIMD extension for IJG JPEG library
      8 ; Copyright (C) 1999-2006, MIYASAKA Masaru.
      9 ; For conditions of distribution and use, see copyright notice in jsimdext.inc
     10 ;
     11 ; This file should be assembled with NASM (Netwide Assembler) or Yasm.
     12 
     13 %include "jsimdext.inc"
     14 
     15 ; --------------------------------------------------------------------------
     16 
     17 %define SCALEBITS  16
     18 
     19 F_0_114 equ  7471                ; FIX(0.11400)
     20 F_0_250 equ 16384                ; FIX(0.25000)
     21 F_0_299 equ 19595                ; FIX(0.29900)
     22 F_0_587 equ 38470                ; FIX(0.58700)
     23 F_0_337 equ (F_0_587 - F_0_250)  ; FIX(0.58700) - FIX(0.25000)
     24 
     25 ; --------------------------------------------------------------------------
     26    SECTION     SEG_CONST
     27 
     28    ALIGNZ      32
     29    GLOBAL_DATA(jconst_rgb_gray_convert_avx2)
     30 
     31 EXTN(jconst_rgb_gray_convert_avx2):
     32 
     33 PW_F0299_F0337 times 8 dw F_0_299, F_0_337
     34 PW_F0114_F0250 times 8 dw F_0_114, F_0_250
     35 PD_ONEHALF     times 8 dd (1 << (SCALEBITS - 1))
     36 
     37    ALIGNZ      32
     38 
     39 ; --------------------------------------------------------------------------
     40    SECTION     SEG_TEXT
     41    BITS        64
     42 
     43 %include "jcgryext-avx2.asm"
     44 
     45 %undef RGB_RED
     46 %undef RGB_GREEN
     47 %undef RGB_BLUE
     48 %undef RGB_PIXELSIZE
     49 %define RGB_RED  EXT_RGB_RED
     50 %define RGB_GREEN  EXT_RGB_GREEN
     51 %define RGB_BLUE  EXT_RGB_BLUE
     52 %define RGB_PIXELSIZE  EXT_RGB_PIXELSIZE
     53 %define jsimd_rgb_gray_convert_avx2  jsimd_extrgb_gray_convert_avx2
     54 %include "jcgryext-avx2.asm"
     55 
     56 %undef RGB_RED
     57 %undef RGB_GREEN
     58 %undef RGB_BLUE
     59 %undef RGB_PIXELSIZE
     60 %define RGB_RED  EXT_RGBX_RED
     61 %define RGB_GREEN  EXT_RGBX_GREEN
     62 %define RGB_BLUE  EXT_RGBX_BLUE
     63 %define RGB_PIXELSIZE  EXT_RGBX_PIXELSIZE
     64 %define jsimd_rgb_gray_convert_avx2  jsimd_extrgbx_gray_convert_avx2
     65 %include "jcgryext-avx2.asm"
     66 
     67 %undef RGB_RED
     68 %undef RGB_GREEN
     69 %undef RGB_BLUE
     70 %undef RGB_PIXELSIZE
     71 %define RGB_RED  EXT_BGR_RED
     72 %define RGB_GREEN  EXT_BGR_GREEN
     73 %define RGB_BLUE  EXT_BGR_BLUE
     74 %define RGB_PIXELSIZE  EXT_BGR_PIXELSIZE
     75 %define jsimd_rgb_gray_convert_avx2  jsimd_extbgr_gray_convert_avx2
     76 %include "jcgryext-avx2.asm"
     77 
     78 %undef RGB_RED
     79 %undef RGB_GREEN
     80 %undef RGB_BLUE
     81 %undef RGB_PIXELSIZE
     82 %define RGB_RED  EXT_BGRX_RED
     83 %define RGB_GREEN  EXT_BGRX_GREEN
     84 %define RGB_BLUE  EXT_BGRX_BLUE
     85 %define RGB_PIXELSIZE  EXT_BGRX_PIXELSIZE
     86 %define jsimd_rgb_gray_convert_avx2  jsimd_extbgrx_gray_convert_avx2
     87 %include "jcgryext-avx2.asm"
     88 
     89 %undef RGB_RED
     90 %undef RGB_GREEN
     91 %undef RGB_BLUE
     92 %undef RGB_PIXELSIZE
     93 %define RGB_RED  EXT_XBGR_RED
     94 %define RGB_GREEN  EXT_XBGR_GREEN
     95 %define RGB_BLUE  EXT_XBGR_BLUE
     96 %define RGB_PIXELSIZE  EXT_XBGR_PIXELSIZE
     97 %define jsimd_rgb_gray_convert_avx2  jsimd_extxbgr_gray_convert_avx2
     98 %include "jcgryext-avx2.asm"
     99 
    100 %undef RGB_RED
    101 %undef RGB_GREEN
    102 %undef RGB_BLUE
    103 %undef RGB_PIXELSIZE
    104 %define RGB_RED  EXT_XRGB_RED
    105 %define RGB_GREEN  EXT_XRGB_GREEN
    106 %define RGB_BLUE  EXT_XRGB_BLUE
    107 %define RGB_PIXELSIZE  EXT_XRGB_PIXELSIZE
    108 %define jsimd_rgb_gray_convert_avx2  jsimd_extxrgb_gray_convert_avx2
    109 %include "jcgryext-avx2.asm"