simd/jdcolor-mmx.asm

;
; jdcolor.asm - colorspace conversion (MMX)
;
; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
; Copyright (C) 2009, D. R. Commander.
;
; 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  16
        global  EXTN(jconst_ycc_rgb_convert_mmx)

EXTN(jconst_ycc_rgb_convert_mmx):

PW_F0402        times 4 dw  F_0_402
PW_MF0228       times 4 dw -F_0_228
PW_MF0344_F0285 times 2 dw -F_0_344, F_0_285
PW_ONE          times 4 dw  1
PD_ONEHALF      times 2 dd  1 << (SCALEBITS-1)

        alignz  16

; --------------------------------------------------------------------------
        SECTION SEG_TEXT
        BITS    32

%include "jdcolext-mmx.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_mmx jsimd_ycc_extrgb_convert_mmx
%include "jdcolext-mmx.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_mmx jsimd_ycc_extrgbx_convert_mmx
%include "jdcolext-mmx.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_mmx jsimd_ycc_extbgr_convert_mmx
%include "jdcolext-mmx.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_mmx jsimd_ycc_extbgrx_convert_mmx
%include "jdcolext-mmx.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_mmx jsimd_ycc_extxbgr_convert_mmx
%include "jdcolext-mmx.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_mmx jsimd_ycc_extxrgb_convert_mmx
%include "jdcolext-mmx.asm"