Vulkan: Add support for CommandPool and CommandBuffer

Former-commit-id: 85b1935a402b007a53ffbc080374a5028b6eaebc

src/Nazara/Vulkan/VkCommandPool.cpp

@@ -0,0 +1,53 @@
+// Copyright (C) 2016 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Vulkan"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Vulkan/VkCommandPool.hpp>
+#include <Nazara/Vulkan/VkCommandBuffer.hpp>
+#include <Nazara/Vulkan/Debug.hpp>
+
+namespace Nz
+{
+	namespace Vk
+	{
+		CommandBuffer CommandPool::AllocateCommandBuffer(VkCommandBufferLevel level)
+		{
+			VkCommandBufferAllocateInfo createInfo =
+			{
+				VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
+				nullptr,
+				m_handle,
+				level,
+				1U
+			};
+
+			VkCommandBuffer handle = VK_NULL_HANDLE;
+			m_lastErrorCode = m_device.vkAllocateCommandBuffers(m_device, &createInfo, &handle);
+
+			return CommandBuffer(*this, handle);
+		}
+
+		std::vector<CommandBuffer> CommandPool::AllocateCommandBuffers(UInt32 commandBufferCount, VkCommandBufferLevel level)
+		{
+			VkCommandBufferAllocateInfo createInfo =
+			{
+				VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
+				nullptr,
+				m_handle,
+				level,
+				1U
+			};
+
+			std::vector<VkCommandBuffer> handles(commandBufferCount, VK_NULL_HANDLE);
+			m_lastErrorCode = m_device.vkAllocateCommandBuffers(m_device, &createInfo, handles.data());
+			if (m_lastErrorCode != VkResult::VK_SUCCESS)
+				return std::vector<CommandBuffer>();
+
+			std::vector<CommandBuffer> commandBuffers;
+			for (UInt32 i = 0; i < commandBufferCount; ++i)
+				commandBuffers.emplace_back(CommandBuffer(*this, handles[i]));
+
+			return commandBuffers;
+		}
+	}
+}