1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
/*
* pixelblending_ext.h
* external interface for pixelblending
*
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#ifndef PIXELBLENDING_EXT_H
#define PIXELBLENDING_EXT_H
/* local includes */
#include "vanillaRenderPipe_types.h"
/* own include */
#include "pixelblending_types.h"
/**
* Samples pixel, depending on R.osa setting
*/
int addtosampcol(unsigned short *sampcol, unsigned short *shortcol, int mask);
/**
* Samples pixel, bring your own R.osa setting
*/
int addToSampCol(unsigned short *sampcol, unsigned short *shortcol, int mask, int osaNr);
/**
* Halo-add pixel, bring your own R.osa setting, and add factor
*/
void addAddSampColF(float *s, float *d, int m, int osa, char add);
/**
* Alpha undersamples pixel, bring your own R.osa setting
*/
int addUnderSampColF(float *sampcol, float *dest, int mask, int osaNr);
/**
* Alpha oversample pixel, bring your own R.osa setting
*/
void addOverSampColF(float *sampcol, float *dest, int mask, int osaNr);
/**
* Convert a series of oversampled pixels into a single pixel.
* (float vecs to float vec)
*/
void sampleFloatColV2FloatColV(float *sample, float *dest, int osaNr);
/**
* Convert a series of oversampled pixels into a single pixel. Uses R.osa to
* count the length! (short vecs to short vec)
*/
void sampleShortColV2ShortColV(unsigned short *sample, unsigned short *dest, int osaNr);
/**
* Take colour <bron>, and apply it to <doel> using the alpha value of
* <bron>.
* @param doel
* @param bron
*/
void addAlphaOverShort(unsigned short *doel, unsigned short *bron);
/**
* Take colour <bron>, and apply it to <doel> using the alpha value of
* <doel>.
* @param doel
* @param bron
*/
void addAlphaUnderShort(unsigned short *doel, unsigned short *bron);
/**
* Alpha-over blending for floats.
*/
void addAlphaOverFloat(float *dest, float *source);
/**
* Alpha-under blending for floats.
*/
void addAlphaUnderFloat(float *dest, float *source);
/**
* Write a 16-bit-colour colour vector to a 8-bit-colour colour vector.
*/
void cpShortColV2CharColV(unsigned short *source, char *dest);
/**
* Write a 8-bit-colour colour vector to a 16-bit-colour colour vector.
*/
void cpCharColV2ShortColV(char *source, unsigned short *dest);
/**
* Write a 32-bit-colour colour vector to a 8-bit-colour colour vector.
*/
void cpIntColV2CharColV(unsigned int *source, char *dest);
/**
* Write a floating-point-colour colour vector to a 8-bit-colour colour
* vector. Clip colours to [0, 1].
*/
void cpFloatColV2CharColV(float *source, char *dest);
/**
* Cpoy a 8-bit-colour vector to floating point colour vector.
*/
void cpCharColV2FloatColV(char *source, float *dest);
/**
* Cpoy a 16-bit-colour vector to floating point colour vector.
*/
void cpShortColV2FloatColV(unsigned short *source, float *dest);
/**
* Copy a float-colour colour vector.
*/
void cpFloatColV(float *source, float *dest);
/**
* Copy a 16-bit-colour colour vector.
*/
void cpShortColV(unsigned short *source, unsigned short *dest);
/**
* Copy an 8-bit-colour colour vector.
*/
void cpCharColV(char *source, char *dest);
/**
* Add a fraction of <source> to <dest>. Result ends up in <dest>.
* The internal calculation is done with floats.
*
* col(dest) = (1 - alpha(source)*(1 - addfac)) * dest + source
* alpha(dest) = alpha(source) + alpha (dest)
*/
void addalphaAddfacShort(unsigned short *dest, unsigned short *source, char addfac);
/**
* Same for floats
*/
void addalphaAddfacFloat(float *dest, float *source, char addfac);
/**
* Add two halos. Result ends up in <dest>. This should be the
* addition of two light sources. So far, I use normal alpha-under blending here.
* The internal calculation is done with floats. The add-factors have to be
* compensated outside this routine.
* col(dest) = s + (1 - alpha(s))d
* alpha(dest) = alpha(s) + (1 - alpha(s))alpha (d)
*/
void addHaloToHaloShort(unsigned short *dest, unsigned short *source);
/**
* dest = dest + source
*/
void addalphaAddFloat(float *dest, float *source);
/** ols functions: side effects?
void addalphaUnderFloat(char *doel, char *bron); think this already exists...
void addalphaUnderGammaFloat(char *doel, char *bron);
*/
/**
* Blend bron under doel, while doing gamma correction
*/
void addalphaUnderGammaFloat(float *doel, float *bron);
/**
* Transform an premul-alpha 32-bit colour into a key-alpha 32-bit colour.
*/
void applyKeyAlphaCharCol(char* target);
/* Old blending functions */
void keyalpha(char *doel); /* maakt premul 255 */
void addalphaUnder(char *doel, char *bron);
void addalphaUnderGamma(char *doel, char *bron);
void addalphaOver(char *doel, char *bron);
void addalphaAdd(char *doel, char *bron);
void addalphaAddshort(unsigned short *doel, unsigned short *bron);
/* void addalphaAddfac(char *doel, char *bron, char addfac); to ext, temporarily */
void addalphaAddfacshort(unsigned short *doel,
unsigned short *bron,
short addfac);
#endif /* PIXELBLENDING_EXT_H */
|
