Differential D12852 Diff 43244 source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.h

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source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.h

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	namespace blender {			namespace blender {
	namespace deg {			namespace deg {

	struct Depsgraph;			struct Depsgraph;
	class DepsgraphNodeBuilder;			class DepsgraphNodeBuilder;
	struct IDNode;			struct IDNode;

	/* Get fully expanded (ready for use) copy-on-write data-block for the given
	* original data-block.
	*/
	ID deg_expand_copy_on_write_datablock(const struct Depsgraph depsgraph,
	const IDNode *id_node,
	DepsgraphNodeBuilder *node_builder = nullptr,
	bool create_placeholders = false);
	ID deg_expand_copy_on_write_datablock(const struct Depsgraph depsgraph,
	struct ID *id_orig,
	DepsgraphNodeBuilder *node_builder = nullptr,
	bool create_placeholders = false);

	/* Makes sure given CoW data-block is brought back to state of the original			/* Makes sure given CoW data-block is brought back to state of the original
	* data-block.			* data-block.
	*/			*/
	ID deg_update_copy_on_write_datablock(const struct Depsgraph depsgraph, const IDNode *id_node);			ID deg_update_copy_on_write_datablock(const struct Depsgraph depsgraph, const IDNode *id_node);
	ID deg_update_copy_on_write_datablock(const struct Depsgraph depsgraph, struct ID *id_orig);			ID deg_update_copy_on_write_datablock(const struct Depsgraph depsgraph, struct ID *id_orig);

	/* Helper function which frees memory used by copy-on-written data-block. */			/* Helper function which frees memory used by copy-on-written data-block. */
	void deg_free_copy_on_write_datablock(struct ID *id_cow);			void deg_free_copy_on_write_datablock(struct ID *id_cow);
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