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/*
* 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.
*
* Copyright 2011, Blender Foundation.
*/
#include "COM_GlareBaseOperation.h"
namespace blender::compositor {
GlareBaseOperation::GlareBaseOperation()
{
this->addInputSocket(DataType::Color);
this->addOutputSocket(DataType::Color);
settings_ = nullptr;
flags.is_fullframe_operation = true;
is_output_rendered_ = false;
}
void GlareBaseOperation::initExecution()
{
SingleThreadedOperation::initExecution();
inputProgram_ = getInputSocketReader(0);
}
void GlareBaseOperation::deinitExecution()
{
inputProgram_ = nullptr;
SingleThreadedOperation::deinitExecution();
}
MemoryBuffer *GlareBaseOperation::createMemoryBuffer(rcti *rect2)
{
MemoryBuffer *tile = (MemoryBuffer *)inputProgram_->initializeTileData(rect2);
rcti rect;
rect.xmin = 0;
rect.ymin = 0;
rect.xmax = getWidth();
rect.ymax = getHeight();
MemoryBuffer *result = new MemoryBuffer(DataType::Color, rect);
float *data = result->getBuffer();
this->generateGlare(data, tile, settings_);
return result;
}
bool GlareBaseOperation::determineDependingAreaOfInterest(rcti * /*input*/,
ReadBufferOperation *readOperation,
rcti *output)
{
if (isCached()) {
return false;
}
rcti newInput;
newInput.xmax = this->getWidth();
newInput.xmin = 0;
newInput.ymax = this->getHeight();
newInput.ymin = 0;
return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
}
void GlareBaseOperation::get_area_of_interest(const int input_idx,
const rcti &UNUSED(output_area),
rcti &r_input_area)
{
BLI_assert(input_idx == 0);
UNUSED_VARS_NDEBUG(input_idx);
r_input_area.xmin = 0;
r_input_area.xmax = this->getWidth();
r_input_area.ymin = 0;
r_input_area.ymax = this->getHeight();
}
void GlareBaseOperation::update_memory_buffer(MemoryBuffer *output,
const rcti &UNUSED(area),
Span<MemoryBuffer *> inputs)
{
if (!is_output_rendered_) {
MemoryBuffer *input = inputs[0];
const bool is_input_inflated = input->is_a_single_elem();
if (is_input_inflated) {
input = input->inflate();
}
this->generateGlare(output->getBuffer(), input, settings_);
is_output_rendered_ = true;
if (is_input_inflated) {
delete input;
}
}
}
} // namespace blender::compositor
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