From 5b922cf52f15442dd081076ea6e28af09a22368e Mon Sep 17 00:00:00 2001
From: Lynix <lynix680@gmail.com>
Date: Sun, 6 Aug 2017 12:13:08 +0200
Subject: [PATCH] Vulkan: Add buffer placeholder

---
 include/Nazara/Renderer/RendererImpl.hpp      |  2 +-
 .../Nazara/VulkanRenderer/VulkanBuffer.hpp    | 49 +++++++++++++++++++
 .../Nazara/VulkanRenderer/VulkanBuffer.inl    | 16 ++++++
 src/Nazara/VulkanRenderer/VulkanBuffer.cpp    | 37 ++++++++++++++
 src/Nazara/VulkanRenderer/VulkanRenderer.cpp  |  4 +-
 5 files changed, 105 insertions(+), 3 deletions(-)
 create mode 100644 include/Nazara/VulkanRenderer/VulkanBuffer.hpp
 create mode 100644 include/Nazara/VulkanRenderer/VulkanBuffer.inl
 create mode 100644 src/Nazara/VulkanRenderer/VulkanBuffer.cpp

diff --git a/include/Nazara/Renderer/RendererImpl.hpp b/include/Nazara/Renderer/RendererImpl.hpp
index 0c0501e99..38b043980 100644
--- a/include/Nazara/Renderer/RendererImpl.hpp
+++ b/include/Nazara/Renderer/RendererImpl.hpp
@@ -13,12 +13,12 @@
 #include <Nazara/Renderer/Config.hpp>
 #include <Nazara/Renderer/Enums.hpp>
 #include <Nazara/Renderer/RenderDevice.hpp>
+#include <Nazara/Utility/AbstractBuffer.hpp>
 #include <Nazara/Utility/Enums.hpp>
 #include <vector>
 
 namespace Nz
 {
-	class AbstractBuffer;
 	class Buffer;
 	class RendererImpl;
 	class RenderDeviceInstance;
diff --git a/include/Nazara/VulkanRenderer/VulkanBuffer.hpp b/include/Nazara/VulkanRenderer/VulkanBuffer.hpp
new file mode 100644
index 000000000..597cc7236
--- /dev/null
+++ b/include/Nazara/VulkanRenderer/VulkanBuffer.hpp
@@ -0,0 +1,49 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Vulkan Renderer"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_VULKANRENDERER_BUFFER_HPP
+#define NAZARA_VULKANRENDERER_BUFFER_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Utility/AbstractBuffer.hpp>
+#include <Nazara/Utility/SoftwareBuffer.hpp>
+#include <Nazara/VulkanRenderer/Config.hpp>
+#include <Nazara/VulkanRenderer/Wrapper/Buffer.hpp>
+#include <vector>
+
+namespace Nz
+{
+	//TODO: Move all the software stuff to the Renderer
+
+	class NAZARA_VULKANRENDERER_API VulkanBuffer : public AbstractBuffer
+	{
+		public:
+			inline VulkanBuffer(Buffer* parent, BufferType type);
+			VulkanBuffer(const VulkanBuffer&) = delete;
+			VulkanBuffer(VulkanBuffer&&) = delete; ///TODO
+			virtual ~VulkanBuffer();
+
+			bool Fill(const void* data, UInt32 offset, UInt32 size) override;
+
+			bool Initialize(UInt32 size, BufferUsageFlags usage) override;
+
+			DataStorage GetStorage() const override;
+
+			void* Map(BufferAccess access, UInt32 offset = 0, UInt32 size = 0) override;
+			bool Unmap() override;
+
+			VulkanBuffer& operator=(const VulkanBuffer&) = delete;
+			VulkanBuffer& operator=(VulkanBuffer&&) = delete; ///TODO
+
+		private:
+			BufferUsageFlags m_usage;
+			SoftwareBuffer m_softwareData;
+	};
+}
+
+#include <Nazara/VulkanRenderer/VulkanBuffer.inl>
+
+#endif // NAZARA_VULKANRENDERER_BUFFER_HPP
diff --git a/include/Nazara/VulkanRenderer/VulkanBuffer.inl b/include/Nazara/VulkanRenderer/VulkanBuffer.inl
new file mode 100644
index 000000000..7638ebb80
--- /dev/null
+++ b/include/Nazara/VulkanRenderer/VulkanBuffer.inl
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Vulkan Renderer"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/VulkanRenderer/VulkanBuffer.hpp>
+#include <Nazara/VulkanRenderer/Debug.hpp>
+
+namespace Nz
+{
+	inline VulkanBuffer::VulkanBuffer(Buffer* parent, BufferType type) :
+	m_softwareData(parent, type)
+	{
+	}
+}
+
+#include <Nazara/VulkanRenderer/DebugOff.hpp>
diff --git a/src/Nazara/VulkanRenderer/VulkanBuffer.cpp b/src/Nazara/VulkanRenderer/VulkanBuffer.cpp
new file mode 100644
index 000000000..530c345b4
--- /dev/null
+++ b/src/Nazara/VulkanRenderer/VulkanBuffer.cpp
@@ -0,0 +1,37 @@
+// Copyright (C) 2016 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Vulkan Renderer"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/VulkanRenderer/VulkanBuffer.hpp>
+#include <Nazara/VulkanRenderer/Debug.hpp>
+
+namespace Nz
+{
+	VulkanBuffer::~VulkanBuffer() = default;
+
+	bool VulkanBuffer::Fill(const void* data, UInt32 offset, UInt32 size)
+	{
+		return m_softwareData.Fill(data, offset, size);
+	}
+
+	bool VulkanBuffer::Initialize(UInt32 size, BufferUsageFlags usage)
+	{
+		m_usage = usage;
+		return m_softwareData.Initialize(size, usage);
+	}
+
+	DataStorage VulkanBuffer::GetStorage() const
+	{
+		return DataStorage_Hardware;
+	}
+
+	void* VulkanBuffer::Map(BufferAccess access, UInt32 offset, UInt32 size)
+	{
+		return m_softwareData.Map(access, offset, size);
+	}
+
+	bool VulkanBuffer::Unmap()
+	{
+		return m_softwareData.Unmap();
+	}
+}
diff --git a/src/Nazara/VulkanRenderer/VulkanRenderer.cpp b/src/Nazara/VulkanRenderer/VulkanRenderer.cpp
index 3db104ee6..57db953d4 100644
--- a/src/Nazara/VulkanRenderer/VulkanRenderer.cpp
+++ b/src/Nazara/VulkanRenderer/VulkanRenderer.cpp
@@ -5,7 +5,7 @@
 #include <Nazara/VulkanRenderer/VulkanRenderer.hpp>
 #include <Nazara/Core/ErrorFlags.hpp>
 #include <Nazara/Renderer/RenderDeviceInstance.hpp>
-//#include <Nazara/VulkanRenderer/VulkanBuffer.hpp>
+#include <Nazara/VulkanRenderer/VulkanBuffer.hpp>
 #include <Nazara/VulkanRenderer/VulkanSurface.hpp>
 #include <Nazara/VulkanRenderer/VkRenderWindow.hpp>
 #include <Nazara/VulkanRenderer/Wrapper/Loader.hpp>
@@ -20,7 +20,7 @@ namespace Nz
 
 	std::unique_ptr<AbstractBuffer> VulkanRenderer::CreateHardwareBufferImpl(Buffer* parent, BufferType type)
 	{
-		return nullptr; //< TODO
+		return std::make_unique<VulkanBuffer>(parent, type); //< TODO
 	}
 
 	std::unique_ptr<RenderSurface> VulkanRenderer::CreateRenderSurfaceImpl()