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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2011 Blender Foundation. */
#include "COM_GlareBaseOperation.h"
namespace blender::compositor {
GlareBaseOperation::GlareBaseOperation()
{
this->add_input_socket(DataType::Color);
this->add_output_socket(DataType::Color);
settings_ = nullptr;
flags_.is_fullframe_operation = true;
is_output_rendered_ = false;
}
void GlareBaseOperation::init_execution()
{
SingleThreadedOperation::init_execution();
input_program_ = get_input_socket_reader(0);
}
void GlareBaseOperation::deinit_execution()
{
input_program_ = nullptr;
SingleThreadedOperation::deinit_execution();
}
MemoryBuffer *GlareBaseOperation::create_memory_buffer(rcti *rect2)
{
MemoryBuffer *tile = (MemoryBuffer *)input_program_->initialize_tile_data(rect2);
rcti rect;
rect.xmin = 0;
rect.ymin = 0;
rect.xmax = get_width();
rect.ymax = get_height();
MemoryBuffer *result = new MemoryBuffer(DataType::Color, rect);
float *data = result->get_buffer();
this->generate_glare(data, tile, settings_);
return result;
}
bool GlareBaseOperation::determine_depending_area_of_interest(rcti * /*input*/,
ReadBufferOperation *read_operation,
rcti *output)
{
if (is_cached()) {
return false;
}
rcti new_input;
new_input.xmax = this->get_width();
new_input.xmin = 0;
new_input.ymax = this->get_height();
new_input.ymin = 0;
return NodeOperation::determine_depending_area_of_interest(&new_input, read_operation, output);
}
void GlareBaseOperation::get_area_of_interest(const int input_idx,
const rcti & /*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->get_width();
r_input_area.ymin = 0;
r_input_area.ymax = this->get_height();
}
void GlareBaseOperation::update_memory_buffer(MemoryBuffer *output,
const rcti & /*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->generate_glare(output->get_buffer(), input, settings_);
is_output_rendered_ = true;
if (is_input_inflated) {
delete input;
}
}
}
} // namespace blender::compositor
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