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
|
/*
* 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_ProjectorLensDistortionOperation.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"
ProjectorLensDistortionOperation::ProjectorLensDistortionOperation(): NodeOperation() {
this->addInputSocket(COM_DT_COLOR);
this->addOutputSocket(COM_DT_COLOR);
this->setComplex(true);
this->inputProgram = NULL;
}
void ProjectorLensDistortionOperation::initExecution() {
this->inputProgram = this->getInputSocketReader(0);
kr = 0.25f*MAX2(MIN2(this->dispersion, 1.f), 0.f);
kr2 = kr * 20;
}
void* ProjectorLensDistortionOperation::initializeTileData(rcti *rect, MemoryBuffer **memoryBuffers) {
void* buffer = inputProgram->initializeTileData(NULL, memoryBuffers);
return buffer;
}
void ProjectorLensDistortionOperation::executePixel(float* color, int x, int y, MemoryBuffer *inputBuffers[], void* data) {
float inputValue[4];
const float height = this->getHeight();
const float width = this->getWidth();
const float v = (y + 0.5f)/height;
const float u = (x + 0.5f)/width;
MemoryBuffer * inputBuffer = (MemoryBuffer*)data;
inputBuffer->readCubic(inputValue, (u*width + kr2) - 0.5f, v*height - 0.5f);
color[0] = inputValue[0];
inputBuffer->read(inputValue, x, y);
color[1] = inputValue[1];
inputBuffer->readCubic(inputValue, (u*width - kr2) - 0.5f, v*height - 0.5f);
color[2] = inputValue[2];
color[3] = 1.0f;
}
void ProjectorLensDistortionOperation::deinitExecution() {
this->inputProgram = NULL;
}
bool ProjectorLensDistortionOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output) {
rcti newInput;
newInput.ymax = input->ymax;
newInput.ymin = input->ymin;
newInput.xmin = input->xmin-kr2-2;
newInput.xmax = input->xmax+kr2+2;
return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
}
|