126 lines
3.4 KiB
C++
126 lines
3.4 KiB
C++
/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor:
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* Jeroen Bakker
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* Monique Dewanchand
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*/
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#include "COM_ViewerOperation.h"
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#include "COM_SocketConnection.h"
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#include "BLI_listbase.h"
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#include "BKE_image.h"
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#include "WM_api.h"
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#include "WM_types.h"
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#include "PIL_time.h"
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#include "BLI_utildefines.h"
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#include "BLI_math_color.h"
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#include "BLI_math_vector.h"
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extern "C" {
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#include "MEM_guardedalloc.h"
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#include "IMB_imbuf.h"
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#include "IMB_imbuf_types.h"
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}
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ViewerOperation::ViewerOperation() : ViewerBaseOperation()
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{
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this->addInputSocket(COM_DT_COLOR);
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this->addInputSocket(COM_DT_VALUE);
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this->addInputSocket(COM_DT_VALUE);
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this->m_imageInput = NULL;
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this->m_alphaInput = NULL;
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this->m_depthInput = NULL;
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}
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void ViewerOperation::initExecution()
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{
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// When initializing the tree during initial load the width and height can be zero.
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this->m_imageInput = getInputSocketReader(0);
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this->m_alphaInput = getInputSocketReader(1);
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this->m_depthInput = getInputSocketReader(2);
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this->m_doDepthBuffer = (this->m_depthInput != NULL);
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ViewerBaseOperation::initExecution();
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}
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void ViewerOperation::deinitExecution()
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{
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this->m_imageInput = NULL;
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this->m_alphaInput = NULL;
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this->m_depthInput = NULL;
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ViewerBaseOperation::deinitExecution();
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}
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void ViewerOperation::executeRegion(rcti *rect, unsigned int tileNumber)
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{
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float *buffer = this->m_outputBuffer;
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float *depthbuffer = this->m_depthBuffer;
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unsigned char *bufferDisplay = this->m_outputBufferDisplay;
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if (!buffer) return;
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const int x1 = rect->xmin;
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const int y1 = rect->ymin;
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const int x2 = rect->xmax;
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const int y2 = rect->ymax;
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const int offsetadd = (this->getWidth() - (x2 - x1));
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const int offsetadd4 = offsetadd * 4;
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int offset = (y1 * this->getWidth() + x1);
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int offset4 = offset * 4;
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float alpha[4], srgb[4], depth[4];
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int x;
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int y;
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bool breaked = false;
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for (y = y1; y < y2 && (!breaked); y++) {
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for (x = x1; x < x2; x++) {
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this->m_imageInput->read(&(buffer[offset4]), x, y, COM_PS_NEAREST);
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if (this->m_alphaInput != NULL) {
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this->m_alphaInput->read(alpha, x, y, COM_PS_NEAREST);
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buffer[offset4 + 3] = alpha[0];
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}
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if (m_depthInput) {
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this->m_depthInput->read(depth, x, y, COM_PS_NEAREST);
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depthbuffer[offset] = depth[0];
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}
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if (this->m_doColorManagement) {
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if (this->m_doColorPredivide) {
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linearrgb_to_srgb_predivide_v4(srgb, buffer + offset4);
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}
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else {
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linearrgb_to_srgb_v4(srgb, buffer + offset4);
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}
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}
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else {
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copy_v4_v4(srgb, buffer + offset4);
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}
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rgba_float_to_uchar(bufferDisplay + offset4, srgb);
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offset ++;
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offset4 += 4;
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}
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if (isBreaked()) {
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breaked = true;
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}
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offset += offsetadd;
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offset4 += offsetadd4;
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}
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updateImage(rect);
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}
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