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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_IDMaskOperation.h"
namespace blender::compositor {
IDMaskOperation::IDMaskOperation()
{
this->add_input_socket(DataType::Value);
this->add_output_socket(DataType::Value);
this->flags.complex = true;
flags.can_be_constant = true;
}
void *IDMaskOperation::initialize_tile_data(rcti *rect)
{
void *buffer = get_input_operation(0)->initialize_tile_data(rect);
return buffer;
}
void IDMaskOperation::execute_pixel(float output[4], int x, int y, void *data)
{
MemoryBuffer *input_buffer = (MemoryBuffer *)data;
const int buffer_width = input_buffer->get_width();
float *buffer = input_buffer->get_buffer();
int buffer_index = (y * buffer_width + x);
output[0] = (roundf(buffer[buffer_index]) == object_index_) ? 1.0f : 0.0f;
}
void IDMaskOperation::update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs)
{
const MemoryBuffer *input = inputs[0];
const int width = BLI_rcti_size_x(&area);
for (int y = area.ymin; y < area.ymax; y++) {
float *out = output->get_elem(area.xmin, y);
const float *in = input->get_elem(area.xmin, y);
const float *row_end = out + width * output->elem_stride;
while (out < row_end) {
out[0] = (roundf(in[0]) == object_index_) ? 1.0f : 0.0f;
in += input->elem_stride;
out += output->elem_stride;
}
}
}
} // namespace blender::compositor
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