Method create_internal

src/device/host/host_buffer.cpp:61–103

}

bool host_buffer::create_internal(const bool copy_host_data, const device_queue& cqueue) {
	// TODO: handle the remaining flags + host ptr
	
	// always allocate host memory (even with Metal/Vulkan, memory needs to be copied somewhere)
	buffer = make_aligned_ptr<uint8_t>(size);
	
	// -> normal host buffer
	if (!has_flag<MEMORY_FLAG::METAL_SHARING>(flags) &&
		!has_flag<MEMORY_FLAG::VULKAN_SHARING>(flags)) {
		// copy host memory to "device" if it is non-null and NO_INITIAL_COPY is not specified
		if (copy_host_data &&
			host_data.data() != nullptr &&
			!has_flag<MEMORY_FLAG::NO_INITIAL_COPY>(flags)) {
			memcpy(buffer.get(), host_data.data(), size);
		}
	}
#if !defined(FLOOR_NO_METAL)
	// -> shared host <-> Metal buffer
	else if (has_flag<MEMORY_FLAG::METAL_SHARING>(flags)) {
		if (!create_shared_buffer(copy_host_data)) {
			return false;
		}
		
		// acquire for use with the host
		const device_queue* comp_mtl_queue = get_default_queue_for_memory(*shared_buffer);
		acquire_metal_buffer(&cqueue, (const metal_queue*)comp_mtl_queue);
	}
#endif
#if !defined(FLOOR_NO_VULKAN)
	// -> shared host <-> Vulkan buffer
	else if (has_flag<MEMORY_FLAG::VULKAN_SHARING>(flags)) {
		if (!create_shared_buffer(copy_host_data)) {
			return false;
		}
		
		// acquire for use with the host
		const device_queue* comp_vk_queue = get_default_queue_for_memory(*shared_buffer);
		acquire_vulkan_buffer(&cqueue, (const vulkan_queue*)comp_vk_queue);
	}
#endif
	
	return true;
}

host_buffer::~host_buffer() {
}