Differential D12689 Diff 42663 source/blender/compositor/operations/COM_ConstantOperation.h

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	* for all constant operations and make all initialization and deinitilization methods final. */			* for all constant operations and make all initialization and deinitilization methods final. */
	/**			/**
	* Base class for operations that are always constant. Operations that can be constant only when			* Base class for operations that are always constant. Operations that can be constant only when
	* all their inputs are so, are evaluated into primitive constants (Color/Vector/Value) during			* all their inputs are so, are evaluated into primitive constants (Color/Vector/Value) during
	* constant folding.			* constant folding.
	*/			*/
	class ConstantOperation : public NodeOperation {			class ConstantOperation : public NodeOperation {
	protected:			protected:
	bool needs_resolution_to_get_constant_;			bool needs_canvas_to_get_constant_;

	public:			public:
	ConstantOperation();			ConstantOperation();

	/** May require resolution to be already determined. */			/** May require resolution to be already determined. */
	virtual const float *get_constant_elem() = 0;			virtual const float *get_constant_elem() = 0;
	bool can_get_constant_elem() const;			bool can_get_constant_elem() const;

	void update_memory_buffer(MemoryBuffer *output,			void update_memory_buffer(MemoryBuffer *output,
	const rcti &area,			const rcti &area,
	Span<MemoryBuffer *> inputs) final;			Span<MemoryBuffer *> inputs) final;
	};			};

	} // namespace blender::compositor			} // namespace blender::compositor