From 992cd303a76cda6eba44469776050fd2d34290fc Mon Sep 17 00:00:00 2001
From: Lynix <lynix680@gmail.com>
Date: Fri, 8 Jul 2016 17:59:52 +0200
Subject: [PATCH] Vulkan/DeviceObject: Add IsValid()

Former-commit-id: 5ac734d6444206e36570f9b85d01920442913618 [formerly 677ce9e18ce84afae896bb98b0a4bbbf9eea8132]
Former-commit-id: 2fc3167fba652add5a39860cbc95a7094671a6c7
---
 include/Nazara/Vulkan/VkDeviceObject.hpp | 2 ++
 include/Nazara/Vulkan/VkDeviceObject.inl | 9 ++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/include/Nazara/Vulkan/VkDeviceObject.hpp b/include/Nazara/Vulkan/VkDeviceObject.hpp
index afa6a4c55..eaa27d1ed 100644
--- a/include/Nazara/Vulkan/VkDeviceObject.hpp
+++ b/include/Nazara/Vulkan/VkDeviceObject.hpp
@@ -27,6 +27,8 @@ namespace Nz
 				inline bool Create(const DeviceHandle& device, const CreateInfo& createInfo, const VkAllocationCallbacks* allocator = nullptr);
 				inline void Destroy();
 
+				inline bool IsValid() const;
+
 				inline const DeviceHandle& GetDevice() const;
 				inline VkResult GetLastErrorCode() const;
 
diff --git a/include/Nazara/Vulkan/VkDeviceObject.inl b/include/Nazara/Vulkan/VkDeviceObject.inl
index ab08688bd..f59102dce 100644
--- a/include/Nazara/Vulkan/VkDeviceObject.inl
+++ b/include/Nazara/Vulkan/VkDeviceObject.inl
@@ -56,13 +56,19 @@ namespace Nz
 		template<typename C, typename VkType, typename CreateInfo>
 		inline void DeviceObject<C, VkType, CreateInfo>::Destroy()
 		{
-			if (m_handle != VK_NULL_HANDLE)
+			if (IsValid())
 			{
 				C::DestroyHelper(m_device, m_handle, (m_allocator.pfnAllocation) ? &m_allocator : nullptr);
 				m_handle = VK_NULL_HANDLE;
 			}
 		}
 
+		template<typename C, typename VkType, typename CreateInfo>
+		inline bool DeviceObject<C, VkType, CreateInfo>::IsValid() const
+		{
+			return m_handle != VK_NULL_HANDLE;
+		}
+
 		template<typename C, typename VkType, typename CreateInfo>
 		inline const DeviceHandle& DeviceObject<C, VkType, CreateInfo>::GetDevice() const
 		{
@@ -84,3 +90,4 @@ namespace Nz
 }
 
 #include <Nazara/Vulkan/DebugOff.hpp>
+#include "VkDeviceObject.hpp"