72 lines
2.5 KiB
C++
72 lines
2.5 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_ReadBufferOperation.h"
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#include "COM_WriteBufferOperation.h"
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#include "COM_defines.h"
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ReadBufferOperation::ReadBufferOperation():NodeOperation() {
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this->addOutputSocket(COM_DT_COLOR);
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this->offset = 0;
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}
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void* ReadBufferOperation::initializeTileData(rcti *rect, MemoryBuffer **memoryBuffers) {
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return getInputMemoryBuffer(memoryBuffers);
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}
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void ReadBufferOperation::determineResolution(unsigned int resolution[], unsigned int preferredResolution[]) {
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if (this->memoryProxy != NULL) {
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WriteBufferOperation * operation = memoryProxy->getWriteBufferOperation();
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operation->determineResolution(resolution, preferredResolution);
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operation->setResolution(resolution);
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/// @todo: may not occur!, but does with blur node
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if (memoryProxy->getExecutor()) memoryProxy->getExecutor()->setResolution(resolution);
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}
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}
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void ReadBufferOperation::executePixel(float* color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) {
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MemoryBuffer *inputBuffer = inputBuffers[this->offset];
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if (inputBuffer) {
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if (sampler == COM_PS_NEAREST) {
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inputBuffer->read(color, x, y);
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}
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else {
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inputBuffer->readCubic(color, x, y);
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}
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}
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}
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void ReadBufferOperation::executePixel(float *color, float x, float y, float dx, float dy, MemoryBuffer *inputBuffers[]) {
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MemoryBuffer *inputBuffer = inputBuffers[this->offset];
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if (inputBuffer) {
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inputBuffer->readEWA(color, x, y, dx, dy);
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}
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}
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bool ReadBufferOperation::determineDependingAreaOfInterest(rcti * input, ReadBufferOperation* readOperation, rcti* output) {
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if (this==readOperation) {
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BLI_init_rcti(output, input->xmin, input->xmax, input->ymin, input->ymax);
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return true;
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}
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return false;
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}
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