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Differential D14367 Diff 49367 source/blender/blenkernel/BKE_attribute_access.hh

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source/blender/blenkernel/BKE_attribute_access.hh

/* SPDX-License-Identifier: GPL-2.0-or-later */ /* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once #pragma once
#include <mutex> #include <mutex>
#include "FN_cpp_type.hh"
#include "FN_generic_span.hh" #include "FN_generic_span.hh"
#include "FN_generic_virtual_array.hh" #include "FN_generic_virtual_array.hh"
#include "BKE_anonymous_attribute.hh" #include "BKE_anonymous_attribute.hh"
#include "BKE_attribute.h" #include "BKE_attribute.h"
#include "BLI_color.hh" #include "BLI_color.hh"
#include "BLI_function_ref.hh" #include "BLI_function_ref.hh"
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}; };
/* Returns false when the iteration should be stopped. */ /* Returns false when the iteration should be stopped. */
using AttributeForeachCallback = blender::FunctionRef<bool( using AttributeForeachCallback = blender::FunctionRef<bool(
const blender::bke::AttributeIDRef &attribute_id, const AttributeMetaData &meta_data)>; const blender::bke::AttributeIDRef &attribute_id, const AttributeMetaData &meta_data)>;
namespace blender::bke { namespace blender::bke {
using fn::CPPType;
using fn::GVArray; using fn::GVArray;
using fn::GVMutableArray; using fn::GVMutableArray;
const CPPType *custom_data_type_to_cpp_type(const CustomDataType type); const CPPType *custom_data_type_to_cpp_type(const CustomDataType type);
CustomDataType cpp_type_to_custom_data_type(const CPPType &type); CustomDataType cpp_type_to_custom_data_type(const CPPType &type);
CustomDataType attribute_data_type_highest_complexity(Span<CustomDataType> data_types); CustomDataType attribute_data_type_highest_complexity(Span<CustomDataType> data_types);
/** /**
* Domains with a higher "information density" have a higher priority, * Domains with a higher "information density" have a higher priority,
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*/ */
blender::fn::GVArray get_for_read(const AttributeIDRef &attribute_id, blender::fn::GVArray get_for_read(const AttributeIDRef &attribute_id,
const CustomDataType data_type, const CustomDataType data_type,
const void *default_value) const; const void *default_value) const;
template<typename T> template<typename T>
blender::VArray<T> get_for_read(const AttributeIDRef &attribute_id, const T &default_value) const blender::VArray<T> get_for_read(const AttributeIDRef &attribute_id, const T &default_value) const
{ {
const blender::fn::CPPType &cpp_type = blender::fn::CPPType::get<T>(); const blender::CPPType &cpp_type = blender::CPPType::get<T>();
const CustomDataType type = blender::bke::cpp_type_to_custom_data_type(cpp_type); const CustomDataType type = blender::bke::cpp_type_to_custom_data_type(cpp_type);
GVArray varray = this->get_for_read(attribute_id, type, &default_value); GVArray varray = this->get_for_read(attribute_id, type, &default_value);
return varray.typed<T>(); return varray.typed<T>();
} }
std::optional<blender::fn::GMutableSpan> get_for_write(const AttributeIDRef &attribute_id); std::optional<blender::fn::GMutableSpan> get_for_write(const AttributeIDRef &attribute_id);
bool create(const AttributeIDRef &attribute_id, const CustomDataType data_type); bool create(const AttributeIDRef &attribute_id, const CustomDataType data_type);
bool create_by_move(const AttributeIDRef &attribute_id, bool create_by_move(const AttributeIDRef &attribute_id,
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