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
|
/*
* Copyright 2011, Blender Foundation.
*
* 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.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
*/
#include "COM_ZCombineOperation.h"
#include "BLI_utildefines.h"
ZCombineOperation::ZCombineOperation() : NodeOperation()
{
this->addInputSocket(COM_DT_COLOR);
this->addInputSocket(COM_DT_VALUE);
this->addInputSocket(COM_DT_COLOR);
this->addInputSocket(COM_DT_VALUE);
this->addOutputSocket(COM_DT_COLOR);
this->m_image1Reader = NULL;
this->m_depth1Reader = NULL;
this->m_image2Reader = NULL;
this->m_depth2Reader = NULL;
}
void ZCombineOperation::initExecution()
{
this->m_image1Reader = this->getInputSocketReader(0);
this->m_depth1Reader = this->getInputSocketReader(1);
this->m_image2Reader = this->getInputSocketReader(2);
this->m_depth2Reader = this->getInputSocketReader(3);
}
void ZCombineOperation::executePixel(float output[4], float x, float y, PixelSampler sampler)
{
float depth1[4];
float depth2[4];
this->m_depth1Reader->read(depth1, x, y, sampler);
this->m_depth2Reader->read(depth2, x, y, sampler);
if (depth1[0] < depth2[0]) {
this->m_image1Reader->read(output, x, y, sampler);
}
else {
this->m_image2Reader->read(output, x, y, sampler);
}
}
void ZCombineAlphaOperation::executePixel(float output[4], float x, float y, PixelSampler sampler)
{
float depth1[4];
float depth2[4];
float color1[4];
float color2[4];
this->m_depth1Reader->read(depth1, x, y, sampler);
this->m_depth2Reader->read(depth2, x, y, sampler);
if (depth1[0] < depth2[0]) {
this->m_image1Reader->read(color1, x, y, sampler);
this->m_image2Reader->read(color2, x, y, sampler);
}
else {
this->m_image1Reader->read(color2, x, y, sampler);
this->m_image2Reader->read(color1, x, y, sampler);
}
float fac = color1[3];
float ifac = 1.0f - fac;
output[0] = color1[0] + ifac * color2[0];
output[1] = color1[1] + ifac * color2[1];
output[2] = color1[2] + ifac * color2[2];
output[3] = MAX2(color1[3], color2[3]);
}
void ZCombineOperation::deinitExecution()
{
this->m_image1Reader = NULL;
this->m_depth1Reader = NULL;
this->m_image2Reader = NULL;
this->m_depth2Reader = NULL;
}
|
