Method create_argument_buffer_internal

src/device/cuda/cuda_function.cpp:238–266

}

std::unique_ptr<argument_buffer> cuda_function::create_argument_buffer_internal(const device_queue& cqueue,
																				const function_entry& kern_entry,
																				const toolchain::arg_info& arg floor_unused,
																				const uint32_t& user_arg_index,
																				const uint32_t& ll_arg_index,
																				const MEMORY_FLAG& add_mem_flags,
																				const bool zero_init) const {
	const auto& dev = cqueue.get_device();
	const auto& cuda_entry = (const cuda_function_entry&)kern_entry;
	
	// check if info exists
	const auto& arg_info = cuda_entry.info->args[ll_arg_index].argument_buffer_info;
	if (!arg_info) {
		log_error("no argument buffer info for arg at index #$", user_arg_index);
		return {};
	}
	
	const auto arg_buffer_size = cuda_entry.info->args[ll_arg_index].size;
	if (arg_buffer_size == 0) {
		log_error("computed argument buffer size is 0");
		return {};
	}
	
	// create the argument buffer
	auto buf = dev.context->create_buffer(cqueue, arg_buffer_size, MEMORY_FLAG::READ | MEMORY_FLAG::HOST_WRITE | add_mem_flags);
	(void)zero_init; // newly created buffers are zero-initialized
	buf->set_debug_label(kern_entry.info->name + "_arg_buffer");
	return std::make_unique<cuda_argument_buffer>(*this, buf, *arg_info);
}

} // namespace fl