49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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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 "BLI_string_ref.hh"
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#include "NOD_derived_node_tree.hh"
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#include "COM_context.hh"
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#include "COM_operation.hh"
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#include "COM_result.hh"
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namespace blender::realtime_compositor {
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using namespace nodes::derived_node_tree_types;
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/* ------------------------------------------------------------------------------------------------
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* Input Single Value Operation
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*
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* An input single value operation is an operation that outputs a single value result whose value
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* is the value of an unlinked input socket. This is typically used to initialize the values of
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* unlinked node input sockets. */
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class InputSingleValueOperation : public Operation {
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private:
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/* The identifier of the output. */
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static const StringRef output_identifier_;
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/* The input socket whose value will be computed as the operation's result. */
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DInputSocket input_socket_;
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public:
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InputSingleValueOperation(Context &context, DInputSocket input_socket);
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/* Allocate a single value result and set its value to the default value of the input socket. */
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void execute() override;
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/* Get a reference to the output result of the operation, this essentially calls the super
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* get_result with the output identifier of the operation. */
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Result &get_result();
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private:
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/* Populate the result of the operation, this essentially calls the super populate_result method
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* with the output identifier of the operation. */
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void populate_result(Result result);
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};
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} // namespace blender::realtime_compositor
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