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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2020 Blender Foundation. All rights reserved. */
#pragma once
#include <set>
struct Depsgraph;
struct ModifierData;
struct Object;
struct Scene;
namespace blender::io::alembic {
/**
* Temporarily all subdivision modifiers on mesh objects.
* The destructor restores all disabled modifiers.
*
* This is used to export unsubdivided meshes to Alembic. It is done in a separate step before the
* exporter starts iterating over all the frames, so that it only has to happen once per export.
*/
class SubdivModifierDisabler final {
private:
Depsgraph *depsgraph_;
std::set<ModifierData *> disabled_modifiers_;
public:
explicit SubdivModifierDisabler(Depsgraph *depsgraph);
~SubdivModifierDisabler();
void disable_modifiers();
/**
* Check if the mesh is a subsurf, ignoring disabled modifiers and
* displace if it's after subsurf.
*/
static ModifierData *get_subdiv_modifier(Scene *scene, Object *ob);
};
} // namespace blender::io::alembic
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