51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/* SPDX-FileCopyrightText: 2011 Blender Foundation
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
|
|
#include "COM_IDMaskOperation.h"
|
|
|
|
namespace blender::compositor {
|
|
|
|
IDMaskOperation::IDMaskOperation()
|
|
{
|
|
this->add_input_socket(DataType::Value);
|
|
this->add_output_socket(DataType::Value);
|
|
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
|