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
|
/*
* 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright 2011, Blender Foundation.
*/
#include "COM_ZCombineNode.h"
#include "COM_AntiAliasOperation.h"
#include "COM_MathBaseOperation.h"
#include "COM_ZCombineOperation.h"
namespace blender::compositor {
void ZCombineNode::convert_to_operations(NodeConverter &converter,
const CompositorContext & /*context*/) const
{
if (this->get_bnode()->custom2) {
ZCombineOperation *operation = nullptr;
if (this->get_bnode()->custom1) {
operation = new ZCombineAlphaOperation();
}
else {
operation = new ZCombineOperation();
}
converter.add_operation(operation);
converter.map_input_socket(get_input_socket(0), operation->get_input_socket(0));
converter.map_input_socket(get_input_socket(1), operation->get_input_socket(1));
converter.map_input_socket(get_input_socket(2), operation->get_input_socket(2));
converter.map_input_socket(get_input_socket(3), operation->get_input_socket(3));
converter.map_output_socket(get_output_socket(0), operation->get_output_socket());
MathMinimumOperation *zoperation = new MathMinimumOperation();
converter.add_operation(zoperation);
converter.map_input_socket(get_input_socket(1), zoperation->get_input_socket(0));
converter.map_input_socket(get_input_socket(3), zoperation->get_input_socket(1));
converter.map_output_socket(get_output_socket(1), zoperation->get_output_socket());
}
else {
/* XXX custom1 is "use_alpha", what on earth is this supposed to do here?!? */
/* not full anti alias, use masking for Z combine. be aware it uses anti aliasing. */
/* Step 1 create mask. */
NodeOperation *maskoperation;
if (this->get_bnode()->custom1) {
maskoperation = new MathGreaterThanOperation();
}
else {
maskoperation = new MathLessThanOperation();
}
converter.add_operation(maskoperation);
converter.map_input_socket(get_input_socket(1), maskoperation->get_input_socket(0));
converter.map_input_socket(get_input_socket(3), maskoperation->get_input_socket(1));
/* Step 2 anti alias mask bit of an expensive operation, but does the trick. */
AntiAliasOperation *antialiasoperation = new AntiAliasOperation();
converter.add_operation(antialiasoperation);
converter.add_link(maskoperation->get_output_socket(),
antialiasoperation->get_input_socket(0));
/* use mask to blend between the input colors. */
ZCombineMaskOperation *zcombineoperation = this->get_bnode()->custom1 ?
new ZCombineMaskAlphaOperation() :
new ZCombineMaskOperation();
converter.add_operation(zcombineoperation);
converter.add_link(antialiasoperation->get_output_socket(),
zcombineoperation->get_input_socket(0));
converter.map_input_socket(get_input_socket(0), zcombineoperation->get_input_socket(1));
converter.map_input_socket(get_input_socket(2), zcombineoperation->get_input_socket(2));
converter.map_output_socket(get_output_socket(0), zcombineoperation->get_output_socket());
MathMinimumOperation *zoperation = new MathMinimumOperation();
converter.add_operation(zoperation);
converter.map_input_socket(get_input_socket(1), zoperation->get_input_socket(0));
converter.map_input_socket(get_input_socket(3), zoperation->get_input_socket(1));
converter.map_output_socket(get_output_socket(1), zoperation->get_output_socket());
}
}
} // namespace blender::compositor
|
