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blender-archive/source/blender/compositor/operations/COM_TonemapOperation.h

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C++

/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2011 Blender Foundation. */
#pragma once
#include "COM_MultiThreadedOperation.h"
#include "DNA_node_types.h"
namespace blender::compositor {
/**
* \brief temporarily storage during execution of Tone-map
* \ingroup operation
*/
typedef struct AvgLogLum {
float al;
float auto_key;
float lav;
float cav[4];
float igm;
} AvgLogLum;
/**
* \brief base class of tonemap, implementing the simple tonemap
* \ingroup operation
*/
class TonemapOperation : public MultiThreadedOperation {
protected:
/**
* \brief Cached reference to the reader
*/
SocketReader *image_reader_;
/**
* \brief settings of the Tonemap
*/
NodeTonemap *data_;
/**
* \brief temporarily cache of the execution storage
*/
AvgLogLum *cached_instance_;
public:
TonemapOperation();
/**
* The inner loop of this operation.
*/
void execute_pixel(float output[4], int x, int y, void *data) override;
/**
* Initialize the execution
*/
void init_execution() override;
void *initialize_tile_data(rcti *rect) override;
void deinitialize_tile_data(rcti *rect, void *data) override;
/**
* Deinitialize the execution
*/
void deinit_execution() override;
void set_data(NodeTonemap *data)
{
data_ = data;
}
bool determine_depending_area_of_interest(rcti *input,
ReadBufferOperation *read_operation,
rcti *output) override;
void get_area_of_interest(int input_idx, const rcti &output_area, rcti &r_input_area) override;
void update_memory_buffer_started(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) override;
virtual void update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) override;
};
/**
* \brief class of tone-map, implementing the photo-receptor tone-map
* most parts have already been done in #TonemapOperation.
* \ingroup operation
*/
class PhotoreceptorTonemapOperation : public TonemapOperation {
public:
/**
* The inner loop of this operation.
*/
void execute_pixel(float output[4], int x, int y, void *data) override;
void update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) override;
};
} // namespace blender::compositor