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1 ; | 1 ; |
2 ; jcgray.asm - grayscale colorspace conversion (MMX) | 2 ; jcgray.asm - grayscale colorspace conversion (MMX) |
3 ; | 3 ; |
4 ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB | 4 ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB |
5 ; Copyright 2011 D. R. Commander | 5 ; Copyright 2011 D. R. Commander |
6 ; | 6 ; |
7 ; Based on | 7 ; Based on |
8 ; x86 SIMD extension for IJG JPEG library | 8 ; x86 SIMD extension for IJG JPEG library |
9 ; Copyright (C) 1999-2006, MIYASAKA Masaru. | 9 ; Copyright (C) 1999-2006, MIYASAKA Masaru. |
10 ; For conditions of distribution and use, see copyright notice in jsimdext.inc | 10 ; For conditions of distribution and use, see copyright notice in jsimdext.inc |
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26 F_0_114 equ 7471 ; FIX(0.11400) | 26 F_0_114 equ 7471 ; FIX(0.11400) |
27 F_0_250 equ 16384 ; FIX(0.25000) | 27 F_0_250 equ 16384 ; FIX(0.25000) |
28 F_0_299 equ 19595 ; FIX(0.29900) | 28 F_0_299 equ 19595 ; FIX(0.29900) |
29 F_0_587 equ 38470 ; FIX(0.58700) | 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) | 30 F_0_337 equ (F_0_587 - F_0_250) ; FIX(0.58700) - FIX(0.25000) |
31 | 31 |
32 ; -------------------------------------------------------------------------- | 32 ; -------------------------------------------------------------------------- |
33 SECTION SEG_CONST | 33 SECTION SEG_CONST |
34 | 34 |
35 alignz 16 | 35 alignz 16 |
36 global EXTN(jconst_rgb_gray_convert_mmx) | 36 global EXTN(jconst_rgb_gray_convert_mmx) PRIVATE |
37 | 37 |
38 EXTN(jconst_rgb_gray_convert_mmx): | 38 EXTN(jconst_rgb_gray_convert_mmx): |
39 | 39 |
40 PW_F0299_F0337 times 2 dw F_0_299, F_0_337 | 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 | 41 PW_F0114_F0250 times 2 dw F_0_114, F_0_250 |
42 PD_ONEHALF times 2 dd (1 << (SCALEBITS-1)) | 42 PD_ONEHALF times 2 dd (1 << (SCALEBITS-1)) |
43 | 43 |
44 alignz 16 | 44 alignz 16 |
45 | 45 |
46 ; -------------------------------------------------------------------------- | 46 ; -------------------------------------------------------------------------- |
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107 %undef RGB_RED | 107 %undef RGB_RED |
108 %undef RGB_GREEN | 108 %undef RGB_GREEN |
109 %undef RGB_BLUE | 109 %undef RGB_BLUE |
110 %undef RGB_PIXELSIZE | 110 %undef RGB_PIXELSIZE |
111 %define RGB_RED EXT_XRGB_RED | 111 %define RGB_RED EXT_XRGB_RED |
112 %define RGB_GREEN EXT_XRGB_GREEN | 112 %define RGB_GREEN EXT_XRGB_GREEN |
113 %define RGB_BLUE EXT_XRGB_BLUE | 113 %define RGB_BLUE EXT_XRGB_BLUE |
114 %define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE | 114 %define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE |
115 %define jsimd_rgb_gray_convert_mmx jsimd_extxrgb_gray_convert_mmx | 115 %define jsimd_rgb_gray_convert_mmx jsimd_extxrgb_gray_convert_mmx |
116 %include "jcgryext-mmx.asm" | 116 %include "jcgryext-mmx.asm" |
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