113 lines
3.2 KiB
NASM
113 lines
3.2 KiB
NASM
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; jcgray.asm - grayscale colorspace conversion (SSE2)
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;
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; Copyright (C) 2011, 2016, D. R. Commander.
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;
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; Based on the 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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%include "jsimdext.inc"
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; --------------------------------------------------------------------------
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%define SCALEBITS 16
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F_0_114 equ 7471 ; FIX(0.11400)
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F_0_250 equ 16384 ; FIX(0.25000)
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F_0_299 equ 19595 ; FIX(0.29900)
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F_0_587 equ 38470 ; FIX(0.58700)
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F_0_337 equ (F_0_587 - F_0_250) ; FIX(0.58700) - FIX(0.25000)
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; --------------------------------------------------------------------------
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SECTION SEG_CONST
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alignz 32
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GLOBAL_DATA(jconst_rgb_gray_convert_sse2)
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EXTN(jconst_rgb_gray_convert_sse2):
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PW_F0299_F0337 times 4 dw F_0_299, F_0_337
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PW_F0114_F0250 times 4 dw F_0_114, F_0_250
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PD_ONEHALF times 4 dd (1 << (SCALEBITS - 1))
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alignz 32
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; --------------------------------------------------------------------------
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SECTION SEG_TEXT
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BITS 32
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%include "jcgryext-sse2.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 EXT_RGB_RED
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%define RGB_GREEN EXT_RGB_GREEN
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%define RGB_BLUE EXT_RGB_BLUE
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%define RGB_PIXELSIZE EXT_RGB_PIXELSIZE
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%define jsimd_rgb_gray_convert_sse2 jsimd_extrgb_gray_convert_sse2
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%include "jcgryext-sse2.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 EXT_RGBX_RED
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%define RGB_GREEN EXT_RGBX_GREEN
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%define RGB_BLUE EXT_RGBX_BLUE
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%define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE
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%define jsimd_rgb_gray_convert_sse2 jsimd_extrgbx_gray_convert_sse2
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%include "jcgryext-sse2.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 EXT_BGR_RED
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%define RGB_GREEN EXT_BGR_GREEN
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%define RGB_BLUE EXT_BGR_BLUE
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%define RGB_PIXELSIZE EXT_BGR_PIXELSIZE
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%define jsimd_rgb_gray_convert_sse2 jsimd_extbgr_gray_convert_sse2
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%include "jcgryext-sse2.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 EXT_BGRX_RED
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%define RGB_GREEN EXT_BGRX_GREEN
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%define RGB_BLUE EXT_BGRX_BLUE
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%define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE
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%define jsimd_rgb_gray_convert_sse2 jsimd_extbgrx_gray_convert_sse2
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%include "jcgryext-sse2.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 EXT_XBGR_RED
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%define RGB_GREEN EXT_XBGR_GREEN
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%define RGB_BLUE EXT_XBGR_BLUE
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%define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE
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%define jsimd_rgb_gray_convert_sse2 jsimd_extxbgr_gray_convert_sse2
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%include "jcgryext-sse2.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 EXT_XRGB_RED
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%define RGB_GREEN EXT_XRGB_GREEN
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%define RGB_BLUE EXT_XRGB_BLUE
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%define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE
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%define jsimd_rgb_gray_convert_sse2 jsimd_extxrgb_gray_convert_sse2
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%include "jcgryext-sse2.asm"
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