55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
/* SPDX-FileCopyrightText: 2021 Blender Foundation
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#include "COM_defines.h"
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namespace blender::compositor {
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class NodeOperation;
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class NodeOperationBuilder;
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class ConstantOperation;
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class MemoryBuffer;
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/**
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* Evaluates all operations with constant elements into primitive constant operations
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* (Value/Vector/Color).
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*/
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class ConstantFolder {
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private:
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NodeOperationBuilder &operations_builder_;
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/** Constant operations buffers. */
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Map<ConstantOperation *, MemoryBuffer *> constant_buffers_;
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rcti max_area_;
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rcti first_elem_area_;
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public:
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/**
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* \param operations_builder: Contains all operations to fold.
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* \param exec_system: Execution system.
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*/
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ConstantFolder(NodeOperationBuilder &operations_builder);
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/**
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* Evaluate operations with constant elements into primitive constant operations.
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*/
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int fold_operations();
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private:
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/** Returns constant operations resulted from folded operations. */
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Vector<ConstantOperation *> try_fold_operations(Span<NodeOperation *> operations);
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ConstantOperation *fold_operation(NodeOperation *operation);
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MemoryBuffer *create_constant_buffer(DataType data_type);
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Vector<MemoryBuffer *> get_constant_input_buffers(NodeOperation *operation);
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void delete_constant_buffers();
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void get_operation_output_operations(NodeOperation *operation,
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Vector<NodeOperation *> &r_outputs);
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};
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} // namespace blender::compositor
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