From 7bbc2f69929fbe139afa2efb38e360be1ccd6c42 Mon Sep 17 00:00:00 2001
From: Lynix <lynix680@gmail.com>
Date: Wed, 13 Jul 2016 12:24:46 +0200
Subject: [PATCH] Vulkan: Add VkDeviceMemory wrapper

Former-commit-id: a7ba192880bb034718a2a3d37022343ff32aae1a [formerly e6911d0772f7c2d4612bdbd97da195873f5a30f6]
Former-commit-id: bf235ba9b59bfeb39da3b0fd0b89934cb21061b6
---
 include/Nazara/Vulkan.hpp                |  1 +
 include/Nazara/Vulkan/VkDeviceMemory.hpp | 43 +++++++++++++++++
 include/Nazara/Vulkan/VkDeviceMemory.inl | 59 ++++++++++++++++++++++++
 3 files changed, 103 insertions(+)
 create mode 100644 include/Nazara/Vulkan/VkDeviceMemory.hpp
 create mode 100644 include/Nazara/Vulkan/VkDeviceMemory.inl

diff --git a/include/Nazara/Vulkan.hpp b/include/Nazara/Vulkan.hpp
index dc72ba4c5..7a158c6f5 100644
--- a/include/Nazara/Vulkan.hpp
+++ b/include/Nazara/Vulkan.hpp
@@ -36,6 +36,7 @@
 #include <Nazara/Vulkan/VkCommandBuffer.hpp>
 #include <Nazara/Vulkan/VkCommandPool.hpp>
 #include <Nazara/Vulkan/VkDevice.hpp>
+#include <Nazara/Vulkan/VkDeviceMemory.hpp>
 #include <Nazara/Vulkan/VkDeviceObject.hpp>
 #include <Nazara/Vulkan/VkFramebuffer.hpp>
 #include <Nazara/Vulkan/VkImageView.hpp>
diff --git a/include/Nazara/Vulkan/VkDeviceMemory.hpp b/include/Nazara/Vulkan/VkDeviceMemory.hpp
new file mode 100644
index 000000000..67e37d4c3
--- /dev/null
+++ b/include/Nazara/Vulkan/VkDeviceMemory.hpp
@@ -0,0 +1,43 @@
+// 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
+
+#pragma once
+
+#ifndef NAZARA_VULKAN_VKDEVICEMEMORY_HPP
+#define NAZARA_VULKAN_VKDEVICEMEMORY_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Vulkan/VkDeviceObject.hpp>
+
+namespace Nz 
+{
+	namespace Vk
+	{
+		class DeviceMemory : public DeviceObject<DeviceMemory, VkDeviceMemory, VkMemoryAllocateInfo>
+		{
+			friend DeviceObject;
+
+			public:
+				DeviceMemory() = default;
+				DeviceMemory(const DeviceMemory&) = delete;
+				DeviceMemory(DeviceMemory&&) = default;
+				~DeviceMemory() = default;
+
+				using DeviceObject::Create;
+				inline bool Create(const DeviceHandle& device, VkDeviceSize size, UInt32 memoryType, const VkAllocationCallbacks* allocator = nullptr);
+				inline bool Create(const DeviceHandle& device, VkDeviceSize size, UInt32 typeBits, VkFlags properties, const VkAllocationCallbacks* allocator = nullptr);
+
+				DeviceMemory& operator=(const DeviceMemory&) = delete;
+				DeviceMemory& operator=(DeviceMemory&&) = delete;
+
+			private:
+				static inline VkResult CreateHelper(const DeviceHandle& device, const VkMemoryAllocateInfo* allocInfo, const VkAllocationCallbacks* allocator, VkDeviceMemory* handle);
+				static inline void DestroyHelper(const DeviceHandle& device, VkDeviceMemory handle, const VkAllocationCallbacks* allocator);
+		};
+	}
+}
+
+#include <Nazara/Vulkan/VkDeviceMemory.inl>
+
+#endif // NAZARA_VULKAN_VKDEVICEMEMORY_HPP
diff --git a/include/Nazara/Vulkan/VkDeviceMemory.inl b/include/Nazara/Vulkan/VkDeviceMemory.inl
new file mode 100644
index 000000000..2139c9e22
--- /dev/null
+++ b/include/Nazara/Vulkan/VkDeviceMemory.inl
@@ -0,0 +1,59 @@
+// 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/VkDeviceMemory.hpp>
+#include <Nazara/Vulkan/VkPhysicalDevice.hpp>
+#include <Nazara/Vulkan/Vulkan.hpp>
+#include <Nazara/Vulkan/Debug.hpp>
+
+namespace Nz
+{
+	namespace Vk
+	{
+		inline bool DeviceMemory::Create(const DeviceHandle& device, VkDeviceSize size, UInt32 memoryType, const VkAllocationCallbacks* allocator)
+		{
+			VkMemoryAllocateInfo allocInfo =
+			{
+				VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, // VkStructureType    sType;
+				nullptr,                                // const void*        pNext;
+				size,                                   // VkDeviceSize       allocationSize;
+				memoryType                              // uint32_t           memoryTypeIndex;
+			};
+
+			return Create(device, allocInfo, allocator);
+		}
+
+		inline bool DeviceMemory::Create(const DeviceHandle& device, VkDeviceSize size, UInt32 typeBits, VkFlags properties, const VkAllocationCallbacks* allocator)
+		{
+			const Vk::PhysicalDevice& deviceInfo = Vulkan::GetPhysicalDeviceInfo(device->GetPhysicalDevice());
+
+			UInt32 typeMask = 1;
+			for (UInt32 i = 0; i < VK_MAX_MEMORY_TYPES; ++i)
+			{
+				if (typeBits & typeMask)
+				{
+					if ((deviceInfo.memoryProperties.memoryTypes[i].propertyFlags & properties) == properties)
+						return Create(device, size, i, allocator);
+				}
+
+				typeMask <<= 1;
+			}
+
+			NazaraError("Failed to find a memory type suitable for typeBits: " + String::Number(typeBits) + " and properties: 0x" + String::Number(properties, 16));
+			return false;
+		}
+
+		inline VkResult DeviceMemory::CreateHelper(const DeviceHandle& device, const VkMemoryAllocateInfo* allocInfo, const VkAllocationCallbacks* allocator, VkDeviceMemory* handle)
+		{
+			return device->vkAllocateMemory(*device, allocInfo, allocator, handle);
+		}
+
+		inline void DeviceMemory::DestroyHelper(const DeviceHandle& device, VkDeviceMemory handle, const VkAllocationCallbacks* allocator)
+		{
+			return device->vkFreeMemory(*device, handle, allocator);
+		}
+	}
+}
+
+#include <Nazara/Vulkan/DebugOff.hpp>