1;
2; jcgray.asm - grayscale colorspace conversion (SSE2)
3;
4; Copyright (C) 2011, 2016, D. R. Commander.
5;
6; Based on the x86 SIMD extension for IJG JPEG library
7; Copyright (C) 1999-2006, MIYASAKA Masaru.
8; For conditions of distribution and use, see copyright notice in jsimdext.inc
9;
10; This file should be assembled with NASM (Netwide Assembler),
11; can *not* be assembled with Microsoft's MASM or any compatible
12; assembler (including Borland's Turbo Assembler).
13; NASM is available from http://nasm.sourceforge.net/ or
14; http://sourceforge.net/project/showfiles.php?group_id=6208
15
16%include "jsimdext.inc"
17
18; --------------------------------------------------------------------------
19
20%define SCALEBITS  16
21
22F_0_114 equ  7471                ; FIX(0.11400)
23F_0_250 equ 16384                ; FIX(0.25000)
24F_0_299 equ 19595                ; FIX(0.29900)
25F_0_587 equ 38470                ; FIX(0.58700)
26F_0_337 equ (F_0_587 - F_0_250)  ; FIX(0.58700) - FIX(0.25000)
27
28; --------------------------------------------------------------------------
29    SECTION     SEG_CONST
30
31    alignz      32
32    GLOBAL_DATA(jconst_rgb_gray_convert_sse2)
33
34EXTN(jconst_rgb_gray_convert_sse2):
35
36PW_F0299_F0337 times 4 dw F_0_299, F_0_337
37PW_F0114_F0250 times 4 dw F_0_114, F_0_250
38PD_ONEHALF     times 4 dd (1 << (SCALEBITS - 1))
39
40    alignz      32
41
42; --------------------------------------------------------------------------
43    SECTION     SEG_TEXT
44    BITS        32
45
46%include "jcgryext-sse2.asm"
47
48%undef RGB_RED
49%undef RGB_GREEN
50%undef RGB_BLUE
51%undef RGB_PIXELSIZE
52%define RGB_RED  EXT_RGB_RED
53%define RGB_GREEN  EXT_RGB_GREEN
54%define RGB_BLUE  EXT_RGB_BLUE
55%define RGB_PIXELSIZE  EXT_RGB_PIXELSIZE
56%define jsimd_rgb_gray_convert_sse2  jsimd_extrgb_gray_convert_sse2
57%include "jcgryext-sse2.asm"
58
59%undef RGB_RED
60%undef RGB_GREEN
61%undef RGB_BLUE
62%undef RGB_PIXELSIZE
63%define RGB_RED  EXT_RGBX_RED
64%define RGB_GREEN  EXT_RGBX_GREEN
65%define RGB_BLUE  EXT_RGBX_BLUE
66%define RGB_PIXELSIZE  EXT_RGBX_PIXELSIZE
67%define jsimd_rgb_gray_convert_sse2  jsimd_extrgbx_gray_convert_sse2
68%include "jcgryext-sse2.asm"
69
70%undef RGB_RED
71%undef RGB_GREEN
72%undef RGB_BLUE
73%undef RGB_PIXELSIZE
74%define RGB_RED  EXT_BGR_RED
75%define RGB_GREEN  EXT_BGR_GREEN
76%define RGB_BLUE  EXT_BGR_BLUE
77%define RGB_PIXELSIZE  EXT_BGR_PIXELSIZE
78%define jsimd_rgb_gray_convert_sse2  jsimd_extbgr_gray_convert_sse2
79%include "jcgryext-sse2.asm"
80
81%undef RGB_RED
82%undef RGB_GREEN
83%undef RGB_BLUE
84%undef RGB_PIXELSIZE
85%define RGB_RED  EXT_BGRX_RED
86%define RGB_GREEN  EXT_BGRX_GREEN
87%define RGB_BLUE  EXT_BGRX_BLUE
88%define RGB_PIXELSIZE  EXT_BGRX_PIXELSIZE
89%define jsimd_rgb_gray_convert_sse2  jsimd_extbgrx_gray_convert_sse2
90%include "jcgryext-sse2.asm"
91
92%undef RGB_RED
93%undef RGB_GREEN
94%undef RGB_BLUE
95%undef RGB_PIXELSIZE
96%define RGB_RED  EXT_XBGR_RED
97%define RGB_GREEN  EXT_XBGR_GREEN
98%define RGB_BLUE  EXT_XBGR_BLUE
99%define RGB_PIXELSIZE  EXT_XBGR_PIXELSIZE
100%define jsimd_rgb_gray_convert_sse2  jsimd_extxbgr_gray_convert_sse2
101%include "jcgryext-sse2.asm"
102
103%undef RGB_RED
104%undef RGB_GREEN
105%undef RGB_BLUE
106%undef RGB_PIXELSIZE
107%define RGB_RED  EXT_XRGB_RED
108%define RGB_GREEN  EXT_XRGB_GREEN
109%define RGB_BLUE  EXT_XRGB_BLUE
110%define RGB_PIXELSIZE  EXT_XRGB_PIXELSIZE
111%define jsimd_rgb_gray_convert_sse2  jsimd_extxrgb_gray_convert_sse2
112%include "jcgryext-sse2.asm"
113