Method beginPass

source/RenderGraph/FramePassTimer.cpp:104–116

	}

	void FramePassTimer::beginPass( VkCommandBuffer commandBuffer )noexcept
	{
		std::swap( m_queries.front(), m_queries.back() );
		auto const & query = m_queries.front();
		m_context.vkCmdResetQueryPool( commandBuffer
			, m_timerQueries
			, query.offset
			, 2u );
		m_context.vkCmdWriteTimestamp( commandBuffer
			, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT
			, m_timerQueries
			, query.offset + 0u );
	}

	void FramePassTimer::endPass( VkCommandBuffer commandBuffer )noexcept
	{