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1;
2; jccolor.asm - colorspace conversion (MMX)
3;
4; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
5; Copyright (C) 2009, 2016, D. R. Commander.
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),
12; can *not* be assembled with Microsoft's MASM or any compatible
13; assembler (including Borland's Turbo Assembler).
14; NASM is available from http://nasm.sourceforge.net/ or
15; http://sourceforge.net/project/showfiles.php?group_id=6208
16;
17; [TAB8]
18
19%include "jsimdext.inc"
20
21; --------------------------------------------------------------------------
22
23%define SCALEBITS  16
24
25F_0_081 equ  5329                ; FIX(0.08131)
26F_0_114 equ  7471                ; FIX(0.11400)
27F_0_168 equ 11059                ; FIX(0.16874)
28F_0_250 equ 16384                ; FIX(0.25000)
29F_0_299 equ 19595                ; FIX(0.29900)
30F_0_331 equ 21709                ; FIX(0.33126)
31F_0_418 equ 27439                ; FIX(0.41869)
32F_0_587 equ 38470                ; FIX(0.58700)
33F_0_337 equ (F_0_587 - F_0_250)  ; FIX(0.58700) - FIX(0.25000)
34
35; --------------------------------------------------------------------------
36    SECTION     SEG_CONST
37
38    alignz      32
39    GLOBAL_DATA(jconst_rgb_ycc_convert_mmx)
40
41EXTN(jconst_rgb_ycc_convert_mmx):
42
43PW_F0299_F0337  times 2 dw  F_0_299,  F_0_337
44PW_F0114_F0250  times 2 dw  F_0_114,  F_0_250
45PW_MF016_MF033  times 2 dw -F_0_168, -F_0_331
46PW_MF008_MF041  times 2 dw -F_0_081, -F_0_418
47PD_ONEHALFM1_CJ times 2 dd  (1 << (SCALEBITS - 1)) - 1 + \
48                            (CENTERJSAMPLE << SCALEBITS)
49PD_ONEHALF      times 2 dd  (1 << (SCALEBITS - 1))
50
51    alignz      32
52
53; --------------------------------------------------------------------------
54    SECTION     SEG_TEXT
55    BITS        32
56
57%include "jccolext-mmx.asm"
58
59%undef RGB_RED
60%undef RGB_GREEN
61%undef RGB_BLUE
62%undef RGB_PIXELSIZE
63%define RGB_RED  EXT_RGB_RED
64%define RGB_GREEN  EXT_RGB_GREEN
65%define RGB_BLUE  EXT_RGB_BLUE
66%define RGB_PIXELSIZE  EXT_RGB_PIXELSIZE
67%define jsimd_rgb_ycc_convert_mmx  jsimd_extrgb_ycc_convert_mmx
68%include "jccolext-mmx.asm"
69
70%undef RGB_RED
71%undef RGB_GREEN
72%undef RGB_BLUE
73%undef RGB_PIXELSIZE
74%define RGB_RED  EXT_RGBX_RED
75%define RGB_GREEN  EXT_RGBX_GREEN
76%define RGB_BLUE  EXT_RGBX_BLUE
77%define RGB_PIXELSIZE  EXT_RGBX_PIXELSIZE
78%define jsimd_rgb_ycc_convert_mmx  jsimd_extrgbx_ycc_convert_mmx
79%include "jccolext-mmx.asm"
80
81%undef RGB_RED
82%undef RGB_GREEN
83%undef RGB_BLUE
84%undef RGB_PIXELSIZE
85%define RGB_RED  EXT_BGR_RED
86%define RGB_GREEN  EXT_BGR_GREEN
87%define RGB_BLUE  EXT_BGR_BLUE
88%define RGB_PIXELSIZE  EXT_BGR_PIXELSIZE
89%define jsimd_rgb_ycc_convert_mmx  jsimd_extbgr_ycc_convert_mmx
90%include "jccolext-mmx.asm"
91
92%undef RGB_RED
93%undef RGB_GREEN
94%undef RGB_BLUE
95%undef RGB_PIXELSIZE
96%define RGB_RED  EXT_BGRX_RED
97%define RGB_GREEN  EXT_BGRX_GREEN
98%define RGB_BLUE  EXT_BGRX_BLUE
99%define RGB_PIXELSIZE  EXT_BGRX_PIXELSIZE
100%define jsimd_rgb_ycc_convert_mmx  jsimd_extbgrx_ycc_convert_mmx
101%include "jccolext-mmx.asm"
102
103%undef RGB_RED
104%undef RGB_GREEN
105%undef RGB_BLUE
106%undef RGB_PIXELSIZE
107%define RGB_RED  EXT_XBGR_RED
108%define RGB_GREEN  EXT_XBGR_GREEN
109%define RGB_BLUE  EXT_XBGR_BLUE
110%define RGB_PIXELSIZE  EXT_XBGR_PIXELSIZE
111%define jsimd_rgb_ycc_convert_mmx  jsimd_extxbgr_ycc_convert_mmx
112%include "jccolext-mmx.asm"
113
114%undef RGB_RED
115%undef RGB_GREEN
116%undef RGB_BLUE
117%undef RGB_PIXELSIZE
118%define RGB_RED  EXT_XRGB_RED
119%define RGB_GREEN  EXT_XRGB_GREEN
120%define RGB_BLUE  EXT_XRGB_BLUE
121%define RGB_PIXELSIZE  EXT_XRGB_PIXELSIZE
122%define jsimd_rgb_ycc_convert_mmx  jsimd_extxrgb_ycc_convert_mmx
123%include "jccolext-mmx.asm"
124