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test2/source/blender/compositor/COM_input_descriptor.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
#include "COM_result.hh"
namespace blender::compositor {
/* ------------------------------------------------------------------------------------------------
* Input Realization Options
*
* A bit-field that specifies how the input should be realized before execution. See the discussion
* in COM_domain.hh for more information on what realization mean. */
struct InputRealizationOptions {
/* The input should be realized on the operation domain of the operation. */
bool realize_on_operation_domain : 1;
};
/* ------------------------------------------------------------------------------------------------
* Input Descriptor
*
* A class that describes an input of an operation. */
class InputDescriptor {
public:
/* The type of input. This may be different that the type of result that the operation will
* receive for the input, in which case, an implicit conversion operation will be added as an
* input processor to convert it to the required type. */
ResultType type;
/* The options that specify how the input should be realized. */
InputRealizationOptions realization_options = {true};
/* The priority of the input for determining the operation domain. The non-single value input
* with the highest priority will be used to infer the operation domain, the highest priority
* being zero. See the discussion in COM_domain.hh for more information. */
int domain_priority = 0;
/* If true, the input expects a single value, and if a non-single value is provided, a default
* single value will be used instead, see the get_<type>_value_default methods in the Result
* class. It follows that this also implies no realization, because we don't need to realize a
* result that will be discarded anyways. If false, the input can work with both single and
* non-single values. */
bool expects_single_value = false;
};
} // namespace blender::compositor