1;
2; jcgray.asm - grayscale colorspace conversion (MMX)
3;
4; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
5; Copyright 2011 D. R. Commander
6;
7; Based on
8; x86 SIMD extension for IJG JPEG library
9; Copyright (C) 1999-2006, MIYASAKA Masaru.
10; For conditions of distribution and use, see copyright notice in jsimdext.inc
11;
12; This file should be assembled with NASM (Netwide Assembler),
13; can *not* be assembled with Microsoft's MASM or any compatible
14; assembler (including Borland's Turbo Assembler).
15; NASM is available from http://nasm.sourceforge.net/ or
16; http://sourceforge.net/project/showfiles.php?group_id=6208
17;
18; [TAB8]
19
20%include "jsimdext.inc"
21
22; --------------------------------------------------------------------------
23
24%define SCALEBITS       16
25
26F_0_114 equ      7471                   ; FIX(0.11400)
27F_0_250 equ     16384                   ; FIX(0.25000)
28F_0_299 equ     19595                   ; FIX(0.29900)
29F_0_587 equ     38470                   ; FIX(0.58700)
30F_0_337 equ     (F_0_587 - F_0_250)     ; FIX(0.58700) - FIX(0.25000)
31
32; --------------------------------------------------------------------------
33        SECTION SEG_CONST
34
35        alignz  16
36        global  EXTN(jconst_rgb_gray_convert_mmx)
37
38EXTN(jconst_rgb_gray_convert_mmx):
39
40PW_F0299_F0337  times 2 dw  F_0_299, F_0_337
41PW_F0114_F0250  times 2 dw  F_0_114, F_0_250
42PD_ONEHALF      times 2 dd  (1 << (SCALEBITS-1))
43
44        alignz  16
45
46; --------------------------------------------------------------------------
47        SECTION SEG_TEXT
48        BITS    32
49
50%include "jcgryext-mmx.asm"
51
52%undef RGB_RED
53%undef RGB_GREEN
54%undef RGB_BLUE
55%undef RGB_PIXELSIZE
56%define RGB_RED EXT_RGB_RED
57%define RGB_GREEN EXT_RGB_GREEN
58%define RGB_BLUE EXT_RGB_BLUE
59%define RGB_PIXELSIZE EXT_RGB_PIXELSIZE
60%define jsimd_rgb_gray_convert_mmx jsimd_extrgb_gray_convert_mmx
61%include "jcgryext-mmx.asm"
62
63%undef RGB_RED
64%undef RGB_GREEN
65%undef RGB_BLUE
66%undef RGB_PIXELSIZE
67%define RGB_RED EXT_RGBX_RED
68%define RGB_GREEN EXT_RGBX_GREEN
69%define RGB_BLUE EXT_RGBX_BLUE
70%define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE
71%define jsimd_rgb_gray_convert_mmx jsimd_extrgbx_gray_convert_mmx
72%include "jcgryext-mmx.asm"
73
74%undef RGB_RED
75%undef RGB_GREEN
76%undef RGB_BLUE
77%undef RGB_PIXELSIZE
78%define RGB_RED EXT_BGR_RED
79%define RGB_GREEN EXT_BGR_GREEN
80%define RGB_BLUE EXT_BGR_BLUE
81%define RGB_PIXELSIZE EXT_BGR_PIXELSIZE
82%define jsimd_rgb_gray_convert_mmx jsimd_extbgr_gray_convert_mmx
83%include "jcgryext-mmx.asm"
84
85%undef RGB_RED
86%undef RGB_GREEN
87%undef RGB_BLUE
88%undef RGB_PIXELSIZE
89%define RGB_RED EXT_BGRX_RED
90%define RGB_GREEN EXT_BGRX_GREEN
91%define RGB_BLUE EXT_BGRX_BLUE
92%define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE
93%define jsimd_rgb_gray_convert_mmx jsimd_extbgrx_gray_convert_mmx
94%include "jcgryext-mmx.asm"
95
96%undef RGB_RED
97%undef RGB_GREEN
98%undef RGB_BLUE
99%undef RGB_PIXELSIZE
100%define RGB_RED EXT_XBGR_RED
101%define RGB_GREEN EXT_XBGR_GREEN
102%define RGB_BLUE EXT_XBGR_BLUE
103%define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE
104%define jsimd_rgb_gray_convert_mmx jsimd_extxbgr_gray_convert_mmx
105%include "jcgryext-mmx.asm"
106
107%undef RGB_RED
108%undef RGB_GREEN
109%undef RGB_BLUE
110%undef RGB_PIXELSIZE
111%define RGB_RED EXT_XRGB_RED
112%define RGB_GREEN EXT_XRGB_GREEN
113%define RGB_BLUE EXT_XRGB_BLUE
114%define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE
115%define jsimd_rgb_gray_convert_mmx jsimd_extxrgb_gray_convert_mmx
116%include "jcgryext-mmx.asm"
117