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1 ; | |
2 ; jcgrammx.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 | |
26 F_0_114 equ 7471 ; FIX(0.11400) | |
27 F_0_250 equ 16384 ; FIX(0.25000) | |
28 F_0_299 equ 19595 ; FIX(0.29900) | |
29 F_0_587 equ 38470 ; FIX(0.58700) | |
30 F_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) PRIVATE | |
37 | |
38 EXTN(jconst_rgb_gray_convert_mmx): | |
39 | |
40 PW_F0299_F0337 times 2 dw F_0_299, F_0_337 | |
41 PW_F0114_F0250 times 2 dw F_0_114, F_0_250 | |
42 PD_ONEHALF times 2 dd (1 << (SCALEBITS-1)) | |
43 | |
44 alignz 16 | |
45 | |
46 ; -------------------------------------------------------------------------- | |
47 SECTION SEG_TEXT | |
48 BITS 32 | |
49 | |
50 %include "jcgrymmx.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 "jcgrymmx.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 "jcgrymmx.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 "jcgrymmx.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 "jcgrymmx.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 "jcgrymmx.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 "jcgrymmx.asm" | |
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