Differential D12980 Diff 43935 source/blender/blenkernel/BKE_geometry_set.hh

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source/blender/blenkernel/BKE_geometry_set.hh

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blender::VectorSet<InstanceReference> references_;		blender::VectorSet<InstanceReference> references_;

/** Index into `references_`. Determines what data is instanced. */		/** Index into `references_`. Determines what data is instanced. */
blender::Vector<int> instance_reference_handles_;		blender::Vector<int> instance_reference_handles_;
/** Transformation of the instances. */		/** Transformation of the instances. */
blender::Vector<blender::float4x4> instance_transforms_;		blender::Vector<blender::float4x4> instance_transforms_;
/**		/**
* IDs of the instances. They are used for consistency over multiple frames for things like		* IDs of the instances. They are used for consistency over multiple frames for things like
* motion blur.		* motion blur. Proper stable ID data that actually helps when rendering can only be generated
		* in some situations, so this vector is allowed to be empty, in which case the index of each
		* instance will be used for the final ID.
*/		*/
blender::Vector<int> instance_ids_;		blender::Vector<int> instance_ids_;

/* These almost unique ids are generated based on `ids_`, which might not contain unique ids at		/* These almost unique ids are generated based on `ids_`, which might not contain unique ids at
* all. They are almost unique, because under certain very unlikely circumstances, they are not		* all. They are almost unique, because under certain very unlikely circumstances, they are not
* unique. Code using these ids should not crash when they are not unique but can generally		* unique. Code using these ids should not crash when they are not unique but can generally
* expect them to be unique. */		* expect them to be unique. */
mutable std::mutex almost_unique_ids_mutex_;		mutable std::mutex almost_unique_ids_mutex_;
mutable blender::Array<int> almost_unique_ids_;		mutable blender::Array<int> almost_unique_ids_;

public:		public:
InstancesComponent();		InstancesComponent();
~InstancesComponent() = default;		~InstancesComponent() = default;
GeometryComponent *copy() const override;		GeometryComponent *copy() const override;

void clear();		void clear();

void reserve(int min_capacity);		void reserve(int min_capacity);
void resize(int capacity);		void resize(int capacity);

int add_reference(const InstanceReference &reference);		int add_reference(const InstanceReference &reference);
void add_instance(int instance_handle, const blender::float4x4 &transform, const int id = -1);		void add_instance(int instance_handle, const blender::float4x4 &transform);

blender::Span<InstanceReference> references() const;		blender::Span<InstanceReference> references() const;
void remove_unused_references();		void remove_unused_references();

void ensure_geometry_instances();		void ensure_geometry_instances();
GeometrySet &geometry_set_from_reference(const int reference_index);		GeometrySet &geometry_set_from_reference(const int reference_index);

blender::Span<int> instance_reference_handles() const;		blender::Span<int> instance_reference_handles() const;
blender::MutableSpan<int> instance_reference_handles();		blender::MutableSpan<int> instance_reference_handles();
blender::MutableSpan<blender::float4x4> instance_transforms();		blender::MutableSpan<blender::float4x4> instance_transforms();
blender::Span<blender::float4x4> instance_transforms() const;		blender::Span<blender::float4x4> instance_transforms() const;
blender::MutableSpan<int> instance_ids();		blender::MutableSpan<int> instance_ids();
blender::Span<int> instance_ids() const;		blender::Span<int> instance_ids() const;

		blender::MutableSpan<int> instance_ids_ensure();
		JacquesLuckeUnsubmitted Done Inline Actions Should probably be called something like `instance_ids_ensure`. JacquesLucke: Should probably be called something like `instance_ids_ensure`.
		HooglyBooglyAuthorUnsubmitted Done Inline Actions I went back and forth between the two. I'm fine ending here though :) HooglyBoogly: I went back and forth between the two. I'm fine ending here though :)
		HooglyBooglyAuthorUnsubmitted Done Inline Actions Oops, forgot to submit this earlier. HooglyBoogly: Oops, forgot to submit this earlier.
		void instance_ids_clear();

int instances_amount() const;		int instances_amount() const;
int references_amount() const;		int references_amount() const;

blender::Span<int> almost_unique_ids() const;		blender::Span<int> almost_unique_ids() const;

int attribute_domain_size(const AttributeDomain domain) const final;		int attribute_domain_size(const AttributeDomain domain) const final;

void foreach_referenced_geometry(		void foreach_referenced_geometry(
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