Campbell Barton
c434782e3a
Use a shorter/simpler license convention, stops the header taking so much space. Follow the SPDX license specification: https://spdx.org/licenses - C/C++/objc/objc++ - Python - Shell Scripts - CMake, GNUmakefile While most of the source tree has been included - `./extern/` was left out. - `./intern/cycles` & `./intern/atomic` are also excluded because they use different header conventions. doc/license/SPDX-license-identifiers.txt has been added to list SPDX all used identifiers. See P2788 for the script that automated these edits. Reviewed By: brecht, mont29, sergey Ref D14069
78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2011 Blender Foundation. */
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#pragma once
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#include "COM_MultiThreadedOperation.h"
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#include "DNA_node_types.h"
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#include <functional>
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namespace blender::compositor {
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/**
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* \brief base class of CalculateMean, implementing the simple CalculateMean
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* \ingroup operation
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*/
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class CalculateMeanOperation : public MultiThreadedOperation {
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public:
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struct PixelsSum {
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float sum;
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int num_pixels;
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};
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protected:
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/**
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* \brief Cached reference to the reader
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*/
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SocketReader *image_reader_;
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bool iscalculated_;
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float result_;
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int setting_;
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std::function<float(const float *elem)> setting_func_;
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public:
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CalculateMeanOperation();
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/**
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* The inner loop of this operation.
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*/
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void execute_pixel(float output[4], int x, int y, void *data) override;
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/**
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* Initialize the execution
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*/
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void init_execution() override;
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void *initialize_tile_data(rcti *rect) override;
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/**
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* Deinitialize the execution
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*/
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void deinit_execution() override;
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bool determine_depending_area_of_interest(rcti *input,
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ReadBufferOperation *read_operation,
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rcti *output) override;
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void set_setting(int setting);
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void get_area_of_interest(int input_idx, const rcti &output_area, rcti &r_input_area) override;
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virtual void update_memory_buffer_started(MemoryBuffer *output,
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const rcti &area,
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Span<MemoryBuffer *> inputs) override;
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virtual void update_memory_buffer_partial(MemoryBuffer *output,
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const rcti &area,
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Span<MemoryBuffer *> inputs) override;
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protected:
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void calculate_mean(MemoryBuffer *tile);
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float calc_mean(const MemoryBuffer *input);
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private:
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PixelsSum calc_area_sum(const MemoryBuffer *input, const rcti &area);
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};
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} // namespace blender::compositor
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