diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_ReadBufferOperation.cpp')
-rw-r--r-- | source/blender/compositor/operations/COM_ReadBufferOperation.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_ReadBufferOperation.cpp b/source/blender/compositor/operations/COM_ReadBufferOperation.cpp new file mode 100644 index 00000000000..483a75a69d2 --- /dev/null +++ b/source/blender/compositor/operations/COM_ReadBufferOperation.cpp @@ -0,0 +1,70 @@ +/* + * 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_ReadBufferOperation.h" +#include "COM_WriteBufferOperation.h" +#include "COM_defines.h" + +ReadBufferOperation::ReadBufferOperation():NodeOperation() { + this->addOutputSocket(COM_DT_COLOR); + this->offset = 0; +} + +void* ReadBufferOperation::initializeTileData(rcti *rect, MemoryBuffer **memoryBuffers) { + return getInputMemoryBuffer(memoryBuffers); +} + +void ReadBufferOperation::determineResolution(unsigned int resolution[], unsigned int preferredResolution[]) { + if (this->memoryProxy != NULL) { + WriteBufferOperation * operation = memoryProxy->getWriteBufferOperation(); + operation->determineResolution(resolution, preferredResolution); + operation->setResolution(resolution); + + /// @todo: may not occur!, but does with blur node + if (memoryProxy->getExecutor()) memoryProxy->getExecutor()->setResolution(resolution); + } +} +void ReadBufferOperation::executePixel(float* color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) { + MemoryBuffer *inputBuffer = inputBuffers[this->offset]; + if (inputBuffer) { + if (sampler == COM_PS_NEAREST) { + inputBuffer->read(color, x, y); + } else { + inputBuffer->readCubic(color, x, y); + } + } +} + +void ReadBufferOperation::executePixel(float *color, float x, float y, float dx, float dy, MemoryBuffer *inputBuffers[]) { + MemoryBuffer *inputBuffer = inputBuffers[this->offset]; + if (inputBuffer) { + inputBuffer->readEWA(color, x, y, dx, dy); + } +} + +bool ReadBufferOperation::determineDependingAreaOfInterest(rcti * input, ReadBufferOperation* readOperation, rcti* output) { + if (this==readOperation) { + BLI_init_rcti(output, input->xmin, input->xmax, input->ymin, input->ymax); + return true; + } + return false; +} |