Differential D13361 Diff 45286 intern/cycles/device/memory.h

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intern/cycles/device/memory.h

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	protected:			protected:
	friend class CUDADevice;			friend class CUDADevice;
	friend class OptiXDevice;			friend class OptiXDevice;
	friend class HIPDevice;			friend class HIPDevice;

	/* Only create through subclasses. */			/* Only create through subclasses. */
	device_memory(Device device, const char name, MemoryType type);			device_memory(Device device, const char name, MemoryType type);
	device_memory(device_memory &&other) noexcept;

	/* No copying allowed. */			/* No copying and allowed.
				*
				* This is because device implementation might need to register device memory in an allocation
				* map of some sort and use pointer as a key to identify blocks. Moving data from one place to
				* another bypassing device allocation routines will make those maps hard to maintain. */
	device_memory(const device_memory &) = delete;			device_memory(const device_memory &) = delete;
				device_memory(device_memory &&other) noexcept = delete;
	device_memory &operator=(const device_memory &) = delete;			device_memory &operator=(const device_memory &) = delete;
				device_memory &operator=(device_memory &&) = delete;

	/* Host allocation on the device. All host_pointer memory should be			/* Host allocation on the device. All host_pointer memory should be
	* allocated with these functions, for devices that support using			* allocated with these functions, for devices that support using
	* the same pointer for host and device. */			* the same pointer for host and device. */
	void *host_alloc(size_t size);			void *host_alloc(size_t size);
	void host_free();			void host_free();

	/* Device memory allocation and copying. */			/* Device memory allocation and copying. */
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