Add additional Asset types

- Add Framebuffer Asset
- Add Pipeline Asset
- Add RenderTexture Asset

CopiumEngine/CopiumEngine.vcxproj

@@ -261,16 +261,6 @@
     <ClInclude Include="src\copium\util\VulkanException.h" />
     <ClInclude Include="src\copium\mesh\VertexPassthrough.h" />
   </ItemGroup>
-  <ItemGroup>
-    <None Include="assets\fox.meta" />
-    <None Include="assets\fox2.meta" />
-    <None Include="res\shaders\passthrough.frag" />
-    <None Include="res\shaders\passthrough.vert" />
-    <None Include="res\shaders\renderer.frag" />
-    <None Include="res\shaders\renderer.vert" />
-    <None Include="res\shaders\shader.frag" />
-    <None Include="res\shaders\shader.vert" />
-  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

CopiumEngine/CopiumEngine.vcxproj.filters

@@ -294,14 +294,4 @@
       <Filter>Header Files</Filter>
     </ClInclude>
   </ItemGroup>
-  <ItemGroup>
-    <None Include="res\shaders\shader.frag" />
-    <None Include="res\shaders\shader.vert" />
-    <None Include="res\shaders\passthrough.frag" />
-    <None Include="res\shaders\passthrough.vert" />
-    <None Include="res\shaders\renderer.frag" />
-    <None Include="res\shaders\renderer.vert" />
-    <None Include="assets\fox.meta" />
-    <None Include="assets\fox2.meta" />
-  </ItemGroup>
 </Project>

CopiumEngine/assets/framebuffer.meta

@@ -0,0 +1,3 @@
+[Framebuffer]
+rendertexture-uuid=e59a549e-bb14-991c-0d95-a8e9351fa074
+uuid=91455834-b62b-354e-ee3b-50f7dbe74d28

CopiumEngine/assets/passthrough.meta

@@ -0,0 +1,5 @@
+[Pipeline]
+vert-filepath=res/shaders/passthrough.vert
+frag-filepath=res/shaders/passthrough.frag
+type=Passthrough
+uuid=8fdcfe12-5c69-cf29-2f31-e177d6267e4e

CopiumEngine/assets/pipeline.meta

@@ -0,0 +1,6 @@
+[Pipeline]
+vert-filepath=res/shaders/shader.vert
+frag-filepath=res/shaders/shader.frag
+framebuffer-uuid=91455834-b62b-354e-ee3b-50f7dbe74d28
+type=Mesh
+uuid=37082163-6f99-bded-1617-6220c84e3c2a

CopiumEngine/assets/renderer.meta

@@ -0,0 +1,6 @@
+[Pipeline]
+vert-filepath=res/shaders/renderer.vert
+frag-filepath=res/shaders/renderer.frag
+framebuffer-uuid=91455834-b62b-354e-ee3b-50f7dbe74d28
+type=Renderer
+uuid=59c56410-000b-70ca-1ae1-4568fb7856f7

CopiumEngine/assets/rendertexture.meta

@@ -0,0 +1,2 @@
+[RenderTexture]
+uuid=e59a549e-bb14-991c-0d95-a8e9351fa074

CopiumEngine/res/shaders/passthrough.vert

@@ -6,6 +6,6 @@ layout(location = 0) out vec2 outTexCoord;
 
 void main()
 {
-  gl_Position = vec4(inPosition * 0.5, 0.999, 1.0);
+  gl_Position = vec4(inPosition, 0.0, 1.0);
   outTexCoord = inPosition * 0.5 + 0.5;
 }

CopiumEngine/src/copium/asset/Asset.cpp

@@ -2,11 +2,7 @@
 
 namespace Copium
 {
-  Asset::Asset(AssetType type)
-  {
-    metaData.type = type;
-  }
-
+  Asset::Asset() = default;
   Asset::~Asset() = default;
 
   AssetHandle Asset::GetHandle() const
@@ -14,11 +10,6 @@ namespace Copium
     return metaData.handle;
   }
 
-  AssetType Asset::GetType() const
-  {
-    return metaData.type;
-  }
-
   const std::string& Asset::GetName() const
   {
     return metaData.name;

CopiumEngine/src/copium/asset/Asset.h

@@ -13,11 +13,10 @@ namespace Copium
   {
     friend class AssetManager;
   public:
-    Asset(AssetType type);
+    Asset();
     virtual ~Asset();
 
     AssetHandle GetHandle() const;
-    AssetType GetType() const;
     const std::string& GetName() const;
     UUID GetUUID() const;
     bool isRuntime() const;

CopiumEngine/src/copium/asset/AssetFile.cpp

@@ -4,6 +4,8 @@
 
 namespace Copium
 {
+  std::vector<std::string> AssetFile::assetTypes;
+
   AssetFile::AssetFile(const std::string& path)
     : path{path}
   {
@@ -17,17 +19,16 @@ namespace Copium
 
   void AssetFile::Load() 
   {
-    const std::vector<std::pair<std::string, AssetType>> strToType{{"Texture2D", AssetType::Texture2D}};
     MetaFile metaFile{path};
-    for (auto&& [str, type] : strToType)
+    for (auto&& assetType : assetTypes)
     {
-      if (!metaFile.HasMetaClass(str))
+      if (!metaFile.HasMetaClass(assetType))
         continue;
 
-      Load(metaFile, str, type);
+      Load(metaFile, assetType);
       return;
     }
-    CP_ABORT("Unknown Asset type");
+    CP_WARN("Unknown Asset type in file: %s", metaFile.GetFilePath().c_str());
   }
 
   const std::string& AssetFile::GetPath() const
@@ -40,11 +41,15 @@ namespace Copium
     return uuid;
   }
 
-  void AssetFile::Load(const MetaFile& metaFile, const std::string& className, AssetType assetType)
+  void AssetFile::Load(const MetaFile& metaFile, const std::string& className)
   {
     const MetaFileClass& metaClass = metaFile.GetMetaClass(className);
     uuid = UUID{metaClass.GetValue("uuid")};
-    type = assetType;
     dateModified = FileSystem::DateModified(path);
   }
+
+  void AssetFile::RegisterAssetType(const std::string& assetType)
+  {
+    assetTypes.emplace_back(assetType);
+  }
 }

CopiumEngine/src/copium/asset/AssetFile.h

@@ -8,9 +8,10 @@ namespace Copium
 {
   class AssetFile
   {
+    friend class AssetManager;
   private:
+    static std::vector<std::string> assetTypes;
     std::string path;
-    AssetType type;
     UUID uuid;
     int64_t dateModified;
 
@@ -23,6 +24,7 @@ namespace Copium
     const std::string& GetPath() const;
     UUID GetUUID() const;
   private:
-    void Load(const MetaFile& metaFile, const std::string& className, AssetType assetType);
+    void Load(const MetaFile& metaFile, const std::string& className);
+    static void RegisterAssetType(const std::string& assetType);
   };
 }

CopiumEngine/src/copium/asset/AssetManager.cpp

@@ -1,5 +1,7 @@
 #include "copium/asset/AssetManager.h"
 
+#include "copium/buffer/Framebuffer.h"
+#include "copium/sampler/ColorAttachment.h"
 #include "copium/sampler/Texture2D.h"
 #include "copium/util/Common.h"
 #include "copium/util/MetaFile.h"
@@ -10,6 +12,7 @@
 namespace Copium
 {
   std::vector<std::string> AssetManager::assetDirs;
+  std::map<std::string, AssetManager::CreateAssetFunc> AssetManager::assetTypes;
   std::map<AssetHandle, std::unique_ptr<Asset>> AssetManager::assets;
   std::map<std::string, AssetHandle> AssetManager::pathToAssetCache;
   std::map<std::string, AssetHandle> AssetManager::nameToAssetCache;
@@ -27,10 +30,17 @@ namespace Copium
       if (std::filesystem::is_directory(it->path()))
         continue;
       std::filesystem::path assetDirPath{assetDir};
-      cachedAssetFiles.emplace_back(assetDir + "/" + std::filesystem::absolute(it->path()).string().substr(std::filesystem::absolute(assetDirPath).string().size()).c_str());
+      std::string assetPath = assetDir + "/" + std::filesystem::absolute(it->path()).string().substr(std::filesystem::absolute(assetDirPath).string().size() + 1).c_str();
+      try
+      {
+        CP_DEBUG("Registering Asset: %s", assetPath.c_str());
+        cachedAssetFiles.emplace_back(assetPath);
+      }
+      catch (RuntimeException& exception)
+      {
+        CP_ERR("Failed to register Asset: %s", assetPath.c_str());
+      }
     }
-    UUID uuid{};
-    CP_INFO(uuid.ToString().c_str());
   }
 
   void AssetManager::UnregisterAssetDir(std::string assetDir)
@@ -62,20 +72,12 @@ namespace Copium
     for (auto& dir : assetDirs)
     {
       std::string path = dir + "/" + assetPath;
-      auto it = pathToAssetCache.find(path);
-      if (it != pathToAssetCache.end())
-        return *assets.find(it->second)->second.get();
-
       std::ifstream file{path};
       if (!file.good())
         continue;
+      file.close();
 
-      MetaFile metaFile{path};
-      if (metaFile.HasMetaClass("Texture2D"))
-      {
-        return CreateAsset<Texture2D>(metaFile, "Texture2D");
-      }
-      CP_ABORT("Unknown Asset type: %s/%s", dir.c_str(), assetPath.c_str());
+      return LoadAssetFromPath(path);
     }
     CP_ABORT("Unknown Asset: %s", assetPath.c_str());
   }
@@ -86,26 +88,13 @@ namespace Copium
     CP_DEBUG("Loading uuid Asset: %s", uuid.ToString().c_str());
     for (auto&& assetFile : cachedAssetFiles)
     {
-      if (assetFile.GetUUID() != uuid)
-        continue;
-
       if (assetFile.NeedReload())
         assetFile.Load();
 
       if (assetFile.GetUUID() != uuid)
         continue;
 
-      CP_DEBUG("Loading Asset: %s", assetFile.GetPath().c_str());
-      auto it = pathToAssetCache.find(assetFile.GetPath());
-      if (it != pathToAssetCache.end())
-        return *assets.find(it->second)->second.get();
-
-      MetaFile metaFile{assetFile.GetPath()};
-      if (metaFile.HasMetaClass("Texture2D"))
-      {
-        return CreateAsset<Texture2D>(metaFile, "Texture2D");
-      }
-      CP_ABORT("Unknown Asset type: %s", assetFile.GetPath().c_str());
+      return LoadAssetFromPath(assetFile.GetPath());
     }
     CP_ABORT("Asset not found with uuid=%s", uuid.ToString().c_str());
     // TODO: Reload the assetCache to see if a new file has appeared with that uuid
@@ -114,7 +103,16 @@ namespace Copium
   void AssetManager::UnloadAsset(AssetHandle handle)
   {
     auto it = assets.find(handle);
-    CP_ASSERT(it != assets.end(), "Asset not loaded");
+    if (it == assets.end())
+    {
+      CP_WARN("Asset not loaded");
+      return;
+    }
+    CP_DEBUG("Unloading Asset: %s", it->second->GetName().c_str());
+
+    it->second->metaData.loadCount--;
+    if (it->second->metaData.loadCount > 0)
+      return;
 
     if (it->second->isRuntime())
       nameToAssetCache.erase(it->second->GetName());
@@ -127,14 +125,19 @@ namespace Copium
   {
     if (assets.empty())
       return;
-    CP_WARN("Cleaning up %d loaded assets", assets.size());
-    assets.clear();
-    nameToAssetCache.clear();
-    pathToAssetCache.clear();
+    CP_WARN("Performing auto clean up of %d non unloaded assets", assets.size());
+    while (!assets.empty())
+    {
+      UnloadAsset(assets.begin()->second->GetHandle());
+    }
+    CP_ASSERT(nameToAssetCache.empty(), "Name To Asset Cache not empty after full unload");
+    CP_ASSERT(pathToAssetCache.empty(), "Path To Asset Cache not empty after full unload");
   }
 
   Asset& AssetManager::RegisterRuntimeAsset(const std::string& name, std::unique_ptr<Asset>&& asset)
   {
+    CP_DEBUG("Registering Runtime Asset: %s", name.c_str());
+
     auto it = nameToAssetCache.find(name);
     CP_ASSERT(it == nameToAssetCache.end(), "Asset already exists: %s", name);
 
@@ -148,16 +151,23 @@ namespace Copium
     return *asset2;
   }
 
-  template <typename T>
-  Asset& AssetManager::CreateAsset(const MetaFile& metaFile, const std::string& metaFileClass)
+  Asset& AssetManager::LoadAssetFromPath(const std::string& filepath)
   {
-    AssetHandle handle = assetHandle++;
-    pathToAssetCache.emplace(metaFile.GetFilePath(), handle);
-    Asset& asset = *assets.emplace(handle, std::make_unique<T>(metaFile)).first->second.get();
-    asset.metaData.handle = handle;
-    asset.metaData.name = metaFile.GetFilePath();
-    asset.metaData.uuid = UUID{metaFile.GetMetaClass(metaFileClass).GetValue("uuid")};
-    asset.metaData.isRuntime = false;
-    return asset;
+    CP_DEBUG("Loading Asset: %s", filepath.c_str());
+    auto it = pathToAssetCache.find(filepath);
+    if (it != pathToAssetCache.end())
+    {
+      auto itAsset = assets.find(it->second);
+      itAsset->second->metaData.loadCount++;
+      return *itAsset->second.get();
+    }
+
+    MetaFile metaFile{filepath};
+    for (auto& assetType : assetTypes)
+    {
+      if(metaFile.HasMetaClass(assetType.first))
+        return assetType.second(metaFile, assetType.first);
+    }
+    CP_ABORT("Unknown Asset type: %s", filepath.c_str());
   }
 }

CopiumEngine/src/copium/asset/AssetManager.h

@@ -4,6 +4,7 @@
 #include "copium/asset/AssetFile.h"
 #include "copium/util/Common.h"
 
+#include <functional>
 #include <map>
 #include <vector>
 
@@ -13,6 +14,8 @@ namespace Copium
   {
     CP_STATIC_CLASS(AssetManager);
   private:
+    using CreateAssetFunc = std::function<Asset&(const MetaFile& metaFile, const std::string& str)>;
+    static std::map<std::string, CreateAssetFunc> assetTypes;
     static std::vector<std::string> assetDirs;
     static std::map<AssetHandle, std::unique_ptr<Asset>> assets;
 
@@ -32,6 +35,13 @@ namespace Copium
     static Asset& RegisterRuntimeAsset(const std::string& name, std::unique_ptr<Asset>&& asset);
     static void Cleanup();
 
+    template <typename AssetType>
+    static void RegisterAssetType(const std::string& assetType)
+    {
+      CP_ASSERT(assetTypes.emplace(assetType, &AssetManager::CreateAsset<AssetType>).second, "Asset type already exists: %s", assetType.c_str());
+      AssetFile::RegisterAssetType(assetType);
+    }
+
     template <typename AssetT>
     static AssetT& LoadAsset(const std::string& assetPath)
     {
@@ -66,7 +76,19 @@ namespace Copium
     }
 
   private:
+    static Asset& LoadAssetFromPath(const std::string& filepath);
+
     template <typename T>
-    static Asset& CreateAsset(const MetaFile& metaFile, const std::string& metaFileClass);
+    static Asset& CreateAsset(const MetaFile& metaFile, const std::string& metaFileClass)
+    {
+      AssetHandle handle = assetHandle++;
+      pathToAssetCache.emplace(metaFile.GetFilePath(), handle);
+      Asset& asset = *assets.emplace(handle, std::make_unique<T>(metaFile)).first->second.get();
+      asset.metaData.handle = handle;
+      asset.metaData.name = metaFile.GetFilePath();
+      asset.metaData.uuid = UUID{metaFile.GetMetaClass(metaFileClass).GetValue("uuid")};
+      asset.metaData.isRuntime = false;
+      return asset;
+    }
   };
 }

CopiumEngine/src/copium/asset/AssetMeta.h

@@ -7,20 +7,15 @@
 
 namespace Copium
 {
-  enum class AssetType
-  {
-    Pipeline,
-    Texture2D,
-    Sound,
-  };
   using AssetHandle = uint64_t;
+  static constexpr int NULL_ASSET_HANDLE = 0;
 
   struct AssetMeta
   {
     AssetHandle handle;
-    AssetType type;
     std::string name;
     UUID uuid;
-    bool isRuntime;
+    bool isRuntime = false;
+    int loadCount = 1;
   };
 }

CopiumEngine/src/copium/buffer/Framebuffer.cpp

@@ -1,11 +1,24 @@
 #include "copium/buffer/Framebuffer.h"
 
+#include "copium/asset/AssetManager.h"
 #include "copium/buffer/CommandBuffer.h"
 #include "copium/core/Vulkan.h"
 #include "copium/sampler/Image.h"
 
 namespace Copium
 {
+  Framebuffer::Framebuffer(const MetaFile& metaFile)
+  {
+    const MetaFileClass& metaClass = metaFile.GetMetaClass("Framebuffer");
+    ColorAttachment& attachment = AssetManager::LoadAsset<ColorAttachment>(UUID{metaClass.GetValue("rendertexture-uuid")});
+    colorAttachment = attachment;
+    width = attachment.GetWidth();
+    height = attachment.GetHeight();
+    InitializeDepthBuffer();
+    InitializeRenderPass();
+    InitializeFramebuffers();
+  }
+
   Framebuffer::Framebuffer(uint32_t width, uint32_t height)
     : width{width}, height{height}
   {
@@ -20,6 +33,7 @@ namespace Copium
     for (auto& framebuffer : framebuffers)
       vkDestroyFramebuffer(Vulkan::GetDevice(), framebuffer, nullptr);
     vkDestroyRenderPass(Vulkan::GetDevice(), renderPass, nullptr);
+    AssetManager::UnloadAsset(colorAttachment);
   }
 
   void Framebuffer::Resize(uint32_t width, uint32_t height)
@@ -27,12 +41,10 @@ namespace Copium
     vkDeviceWaitIdle(Vulkan::GetDevice());
     this->width = width;
     this->height = height;
-    colorAttachment.reset();
-    depthAttachment.reset();
     for (auto&& framebuffer : framebuffers)
       vkDestroyFramebuffer(Vulkan::GetDevice(), framebuffer, nullptr);
-    InitializeImage();
-    InitializeDepthBuffer();
+    AssetManager::GetAsset<ColorAttachment>(colorAttachment).Resize(width, height);
+    depthAttachment->Resize(width, height);
     InitializeFramebuffers();
   }
 
@@ -84,7 +96,7 @@ namespace Copium
 
   const ColorAttachment& Framebuffer::GetColorAttachment() const
   {
-    return *colorAttachment;
+    return AssetManager::GetAsset<ColorAttachment>(colorAttachment);
   }
 
   uint32_t Framebuffer::GetWidth() const
@@ -99,7 +111,7 @@ namespace Copium
 
   void Framebuffer::InitializeImage()
   {
-    colorAttachment = std::make_unique<ColorAttachment>(width, height);
+    colorAttachment = AssetManager::RegisterRuntimeAsset("Framebuffer::ColorAttachment", std::make_unique<ColorAttachment>(width, height));
   }
 
   void Framebuffer::InitializeDepthBuffer()
@@ -174,9 +186,10 @@ namespace Copium
   void Framebuffer::InitializeFramebuffers()
   {
     framebuffers.resize(SwapChain::MAX_FRAMES_IN_FLIGHT);
+    const ColorAttachment& attachment = AssetManager::GetAsset<ColorAttachment>(colorAttachment);
     for (size_t i = 0; i < framebuffers.size(); ++i)
     {
-      std::vector<VkImageView> attachments{colorAttachment->GetImageView(i), depthAttachment->GetImageView()};
+      std::vector<VkImageView> attachments{attachment.GetImageView(i), depthAttachment->GetImageView()};
 
       VkFramebufferCreateInfo createInfo{};
       createInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;

CopiumEngine/src/copium/buffer/Framebuffer.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include "copium/asset/Asset.h"
+#include "copium/asset/AssetMeta.h"
 #include "copium/buffer/CommandBuffer.h"
 #include "copium/sampler/ColorAttachment.h"
 #include "copium/sampler/DepthAttachment.h"
@@ -9,11 +11,11 @@
 
 namespace Copium
 {
-  class Framebuffer final
+  class Framebuffer final : public Asset
   {
     CP_DELETE_COPY_AND_MOVE_CTOR(Framebuffer);
   private:
-    std::unique_ptr<ColorAttachment> colorAttachment;
+    AssetHandle colorAttachment;
     std::unique_ptr<DepthAttachment> depthAttachment;
     std::vector<VkFramebuffer> framebuffers;
     VkRenderPass renderPass;
@@ -21,6 +23,7 @@ namespace Copium
     uint32_t width;
     uint32_t height;
   public:
+    Framebuffer(const MetaFile& metaFile);
     Framebuffer(uint32_t width, uint32_t height);
     ~Framebuffer();
 

CopiumEngine/src/copium/core/Application.cpp

@@ -52,16 +52,13 @@ namespace Copium
     vkDeviceWaitIdle(Vulkan::GetDevice());
     AssetManager::UnloadAsset(texture2D);
     AssetManager::UnloadAsset(texture2D2);
+    AssetManager::UnloadAsset(graphicsPipeline);
+    AssetManager::UnloadAsset(graphicsPipelinePassthrough);
+    AssetManager::UnloadAsset(framebuffer);
   }
 
   bool Application::Update()
   {
-    if (framebuffer->GetWidth() != Vulkan::GetSwapChain().GetExtent().width || framebuffer->GetHeight() != Vulkan::GetSwapChain().GetExtent().height)
-    {
-      framebuffer->Resize(Vulkan::GetSwapChain().GetExtent().width / 8, Vulkan::GetSwapChain().GetExtent().height / 8);
-      descriptorSetPassthrough->SetSampler(framebuffer->GetColorAttachment(), 0);
-    }
-
     if (!Vulkan::GetSwapChain().BeginPresent())
       return true;
 
@@ -74,42 +71,37 @@ namespace Copium
 
   void Application::InitializeFrameBuffer()
   {
-    framebuffer = std::make_unique<Framebuffer>(Vulkan::GetSwapChain().GetExtent().width, Vulkan::GetSwapChain().GetExtent().height);
+    framebuffer = AssetManager::LoadAsset<Framebuffer>("framebuffer.meta");
   }
 
   void Application::InitializeRenderer()
   {
-    renderer = std::make_unique<Renderer>(framebuffer->GetRenderPass());
+    renderer = std::make_unique<Renderer>();
   }
 
   void Application::InitializeTextureSampler()
   {
-    texture2D = AssetManager::LoadAsset("fox.meta");
-    texture2D2 = AssetManager::LoadAsset("fox2.meta");
+    texture2D = AssetManager::LoadAsset<Texture2D>("fox.meta");
+    texture2D2 = AssetManager::LoadAsset<Texture2D>("fox2.meta");
   }
 
   void Application::InitializeDescriptorSets()
   {
     descriptorPool = std::make_unique<DescriptorPool>();
 
-    descriptorSet = graphicsPipeline->CreateDescriptorSet(*descriptorPool, 0);
+    descriptorSet = AssetManager::GetAsset<Pipeline>(graphicsPipeline).CreateDescriptorSet(*descriptorPool, 0);
     descriptorSet->SetSampler(AssetManager::GetAsset<Texture2D>(texture2D), 1);
 
-    descriptorSetPassthrough = graphicsPipelinePassthrough->CreateDescriptorSet(*descriptorPool, 0);
-    descriptorSetPassthrough->SetSampler(framebuffer->GetColorAttachment(), 0);
+    descriptorSetPassthrough = AssetManager::GetAsset<Pipeline>(graphicsPipelinePassthrough).CreateDescriptorSet(*descriptorPool, 0);
+    descriptorSetPassthrough->SetSampler(AssetManager::GetAsset<Framebuffer>(framebuffer).GetColorAttachment(), 0);
 
     descriptorSetRenderer = renderer->GetGraphicsPipeline().CreateDescriptorSet(*descriptorPool, 1);
   }
 
   void Application::InitializeGraphicsPipeline()
   {
-    PipelineCreator creator{framebuffer->GetRenderPass(), "res/shaders/shader.vert", "res/shaders/shader.frag"};
-    creator.SetVertexDescriptor(Vertex::GetDescriptor());
-    graphicsPipeline = std::make_unique<Pipeline>(creator);
-
-    PipelineCreator creatorPassthrough{Vulkan::GetSwapChain().GetRenderPass(), "res/shaders/passthrough.vert", "res/shaders/passthrough.frag"};
-    creatorPassthrough.SetVertexDescriptor(VertexPassthrough::GetDescriptor());
-    graphicsPipelinePassthrough = std::make_unique<Pipeline>(creatorPassthrough);
+    graphicsPipeline = AssetManager::LoadAsset<Pipeline>("pipeline.meta");
+    graphicsPipelinePassthrough = AssetManager::LoadAsset<Pipeline>("passthrough.meta");
   }
 
   void Application::InitializeMesh()
@@ -127,13 +119,15 @@ namespace Copium
   {
     commandBuffer->Begin();
 
-    framebuffer->Bind(*commandBuffer);
-    graphicsPipeline->Bind(*commandBuffer);
+    Framebuffer& fb = AssetManager::GetAsset<Framebuffer>(framebuffer);
+    Pipeline& pl = AssetManager::GetAsset<Pipeline>(graphicsPipeline);
+    fb.Bind(*commandBuffer);
+    pl.Bind(*commandBuffer);
 
     UpdateUniformBuffer();
 
-    graphicsPipeline->SetDescriptorSet(*descriptorSet);
-    graphicsPipeline->BindDescriptorSets(*commandBuffer);
+    pl.SetDescriptorSet(*descriptorSet);
+    pl.BindDescriptorSets(*commandBuffer);
 
     mesh->Bind(*commandBuffer);
     mesh->Render(*commandBuffer);
@@ -151,13 +145,14 @@ namespace Copium
     renderer->Quad(glm::vec2{ 0.1, -0.4}, glm::vec2{0.8, 0.8}, AssetManager::GetAsset<Texture2D>(texture2D2));
     renderer->End();
 
-    framebuffer->Unbind(*commandBuffer);
+    fb.Unbind(*commandBuffer);
 
     Vulkan::GetSwapChain().BeginFrameBuffer(*commandBuffer);
 
-    graphicsPipelinePassthrough->Bind(*commandBuffer);
-    graphicsPipelinePassthrough->SetDescriptorSet(*descriptorSetPassthrough);
-    graphicsPipelinePassthrough->BindDescriptorSets(*commandBuffer);
+    Pipeline& plPassthrough = AssetManager::GetAsset<Pipeline>(graphicsPipelinePassthrough);
+    plPassthrough.Bind(*commandBuffer);
+    plPassthrough.SetDescriptorSet(*descriptorSetPassthrough);
+    plPassthrough.BindDescriptorSets(*commandBuffer);
 
     meshPassthrough->Bind(*commandBuffer);
     meshPassthrough->Render(*commandBuffer);
@@ -171,7 +166,8 @@ namespace Copium
     static Timer startTimer;
 
     float time = startTimer.Elapsed();
-    float aspect = framebuffer->GetWidth() / (float)framebuffer->GetHeight();
+    Framebuffer& fb = AssetManager::GetAsset<Framebuffer>(framebuffer);
+    float aspect = fb.GetWidth() / (float)fb.GetHeight();
 
     {
       glm::mat4 projection = glm::perspective(glm::radians(45.0f), aspect, 0.1f, 10.0f);

CopiumEngine/src/copium/core/Application.h

@@ -15,15 +15,15 @@ namespace Copium
     CP_DELETE_COPY_AND_MOVE_CTOR(Application);
   private:
     std::unique_ptr<Renderer> renderer;
-    std::unique_ptr<Framebuffer> framebuffer;
+    AssetHandle framebuffer;
     AssetHandle texture2D;
     AssetHandle texture2D2;
+    AssetHandle graphicsPipeline;
+    AssetHandle graphicsPipelinePassthrough;
     std::unique_ptr<DescriptorPool> descriptorPool;
     std::unique_ptr<DescriptorSet> descriptorSet;
     std::unique_ptr<DescriptorSet> descriptorSetPassthrough;
     std::unique_ptr<DescriptorSet> descriptorSetRenderer;
-    std::unique_ptr<Pipeline> graphicsPipeline;
-    std::unique_ptr<Pipeline> graphicsPipelinePassthrough;
     std::unique_ptr<Mesh> mesh;
     std::unique_ptr<Mesh> meshPassthrough;
     std::unique_ptr<CommandBuffer> commandBuffer;

CopiumEngine/src/copium/core/Vulkan.cpp

@@ -1,6 +1,10 @@
 #include "copium/core/Vulkan.h"
 
 #include "copium/asset/AssetManager.h"
+#include "copium/sampler/Texture2D.h"
+#include "copium/sampler/ColorAttachment.h"
+#include "copium/pipeline/Pipeline.h"
+#include "copium/buffer/Framebuffer.h"
 
 namespace Copium
 {
@@ -16,6 +20,11 @@ namespace Copium
     device = std::make_unique<Device>();
     swapChain = std::make_unique<SwapChain>();
 
+    AssetManager::RegisterAssetType<Texture2D>("Texture2D");
+    AssetManager::RegisterAssetType<ColorAttachment>("RenderTexture");
+    AssetManager::RegisterAssetType<Pipeline>("Pipeline");
+    AssetManager::RegisterAssetType<Framebuffer>("Framebuffer");
+
     // TODO: Make the working directory always be relative to the assets folder
     //       By looking at where the executable is, since that should always be in the bin folder (it currently isn't though)
     AssetManager::RegisterAssetDir("assets/");

CopiumEngine/src/copium/main.cpp

@@ -8,10 +8,6 @@
 int main(int argc, char** argv)
 {
   CP_ASSERT(glfwInit() == GLFW_TRUE, "Failed to initialize the glfw context");
-  for (int i = 0; i < argc; i++)
-  {
-    CP_INFO(argv[i]);
-  }
 
   Copium::Vulkan::Initialize();
   {

CopiumEngine/src/copium/pipeline/Pipeline.cpp

@@ -1,11 +1,51 @@
 #include "copium/pipeline/Pipeline.h"
 
+#include "copium/asset/AssetManager.h"
+#include "copium/buffer/Framebuffer.h"
 #include "copium/core/Vulkan.h"
 #include "copium/pipeline/Shader.h"
+#include "copium/renderer/RendererVertex.h"
+#include "copium/mesh/VertexPassthrough.h"
+#include "copium/mesh/Vertex.h"
 #include "copium/util/FileSystem.h"
 
 namespace Copium
 {
+  Pipeline::Pipeline(const MetaFile& metaFile)
+    : shaderReflector{ShaderReflector{metaFile.GetMetaClass("Pipeline").GetValue("vert-filepath"), metaFile.GetMetaClass("Pipeline").GetValue("frag-filepath")}}
+  {
+    const MetaFileClass& metaFileClass = metaFile.GetMetaClass("Pipeline");
+    VkRenderPass renderPass;
+    if (metaFileClass.HasValue("framebuffer-uuid"))
+    {
+      Framebuffer& fb = AssetManager::LoadAsset<Framebuffer>(UUID{metaFileClass.GetValue("framebuffer-uuid")});
+      renderPass = fb.GetRenderPass();
+      framebuffer = fb;
+    }
+    else
+    {
+      renderPass = Vulkan::GetSwapChain().GetRenderPass();
+    }
+    PipelineCreator creator{renderPass, metaFileClass.GetValue("vert-filepath"), metaFileClass.GetValue("frag-filepath")};
+    std::string type = metaFileClass.GetValue("type");
+    if (type == "Renderer")
+    {
+      creator.SetVertexDescriptor(RendererVertex::GetDescriptor());
+      creator.SetDepthTest(false);
+    }
+    else if (type == "Passthrough")
+    {
+      creator.SetVertexDescriptor(VertexPassthrough::GetDescriptor());
+      creator.SetDepthTest(false);
+    }
+    else if (type == "Mesh")
+    {
+      creator.SetVertexDescriptor(Vertex::GetDescriptor());
+    }
+    InitializeDescriptorSetLayout(creator);
+    InitializePipeline(creator);
+  }
+
   Pipeline::Pipeline(PipelineCreator creator)
     : shaderReflector{creator.shaderReflector}
   {
@@ -21,6 +61,10 @@ namespace Copium
     {
       vkDestroyDescriptorSetLayout(Vulkan::GetDevice(), descriptorSetLayout, nullptr);
     }
+    if (framebuffer != NULL_ASSET_HANDLE)
+    {
+      AssetManager::UnloadAsset(framebuffer);
+    }
   }
 
   void Pipeline::Bind(const CommandBuffer& commandBuffer)

CopiumEngine/src/copium/pipeline/Pipeline.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "copium/asset/Asset.h"
 #include "copium/buffer/CommandBuffer.h"
 #include "copium/pipeline/DescriptorSet.h"
 #include "copium/pipeline/PipelineCreator.h"
@@ -10,7 +11,7 @@
 
 namespace Copium
 {
-  class Pipeline final
+  class Pipeline final : public Asset
   {
     CP_DELETE_COPY_AND_MOVE_CTOR(Pipeline);
   private:
@@ -19,8 +20,11 @@ namespace Copium
     std::vector<VkDescriptorSet> boundDescriptorSets;
     VkPipelineLayout pipelineLayout;
     VkPipeline graphicsPipeline;
+    AssetHandle framebuffer;
 
   public:
+
+    Pipeline(const MetaFile& metaFile);
     Pipeline(PipelineCreator creator);
     ~Pipeline();
     void Bind(const CommandBuffer& commandBuffer);

CopiumEngine/src/copium/renderer/Batch.cpp

@@ -1,13 +1,13 @@
 #include "copium/renderer/Batch.h"
 
+#include "copium/asset/AssetManager.h"
 #include "copium/renderer/RendererVertex.h"
 
 namespace Copium
 {
-  Batch::Batch(Pipeline& pipeline, DescriptorPool& descriptorPool, int vertexCount, const std::vector<const Sampler*> samplers)
-    : pipeline{pipeline},
-      vertexBuffer{RendererVertex::GetDescriptor(), vertexCount},
-      descriptorSet{pipeline.CreateDescriptorSet(descriptorPool, 0)}
+  Batch::Batch(AssetHandle pipeline, DescriptorPool& descriptorPool, int vertexCount, const std::vector<const Sampler*> samplers)
+    : vertexBuffer{RendererVertex::GetDescriptor(), vertexCount},
+      descriptorSet{AssetManager::GetAsset<Pipeline>(pipeline).CreateDescriptorSet(descriptorPool, 0)}
   {
     descriptorSet->SetSamplers(samplers, 0);
   }

CopiumEngine/src/copium/renderer/Batch.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "copium/asset/AssetMeta.h"
 #include "copium/buffer/RendererVertexBuffer.h"
 #include "copium/pipeline/DescriptorSet.h"
 #include "copium/pipeline/Pipeline.h"
@@ -11,12 +12,10 @@ namespace Copium
   {
     CP_DELETE_COPY_AND_MOVE_CTOR(Batch);
   private:
-    Pipeline& pipeline;
-
     RendererVertexBuffer vertexBuffer;
     std::unique_ptr<DescriptorSet> descriptorSet;
   public:
-    Batch(Pipeline& pipeline, DescriptorPool& descriptorPool, int vertexCount, const std::vector<const Sampler*> samplers);
+    Batch(AssetHandle pipeline, DescriptorPool& descriptorPool, int vertexCount, const std::vector<const Sampler*> samplers);
     RendererVertexBuffer& GetVertexBuffer();
     DescriptorSet& GetDescriptorSet();
   };

CopiumEngine/src/copium/renderer/Renderer.cpp

@@ -12,19 +12,20 @@ namespace Copium
   static constexpr int MAX_NUM_INDICES = 6 * MAX_NUM_QUADS;
   static constexpr int MAX_NUM_TEXTURES = 32;
 
-  Renderer::Renderer(VkRenderPass renderPass)
+  Renderer::Renderer()
     : descriptorPool{},
       ibo{MAX_NUM_INDICES}, 
       emptyTexture{AssetManager::RegisterRuntimeAsset("empty", std::make_unique<Texture2D>(std::vector<uint8_t>{0, 0, 0, 255}, 1, 1))},
       samplers{MAX_NUM_TEXTURES, &AssetManager::GetAsset<Texture2D>(emptyTexture)}
   {
     InitializeIndexBuffer();
-    InitializeGraphicsPipeline(renderPass);
+    InitializeGraphicsPipeline();
   }
 
   Renderer::~Renderer()
   {
     AssetManager::UnloadAsset(emptyTexture);
+    AssetManager::UnloadAsset(pipeline);
   }
 
   void Renderer::Quad(const glm::vec2& pos, const glm::vec2& size, const glm::vec3& color)
@@ -59,7 +60,7 @@ namespace Copium
 
   void Renderer::Begin(CommandBuffer& commandBuffer)
   {
-    graphicsPipeline->Bind(commandBuffer);
+    AssetManager::GetAsset<Pipeline>(pipeline).Bind(commandBuffer);
     ibo.Bind(commandBuffer);
     batchIndex = -1;
     NextBatch();
@@ -73,12 +74,12 @@ namespace Copium
 
   Pipeline& Renderer::GetGraphicsPipeline()
   {
-    return *graphicsPipeline;
+    return AssetManager::GetAsset<Pipeline>(pipeline);
   }
 
   void Renderer::SetDescriptorSet(const DescriptorSet& descriptorSet)
   {
-    graphicsPipeline->SetDescriptorSet(descriptorSet);
+    AssetManager::GetAsset<Pipeline>(pipeline).SetDescriptorSet(descriptorSet);
   }
 
   void Renderer::InitializeIndexBuffer() 
@@ -99,19 +100,16 @@ namespace Copium
     ibo.UpdateStaging(indices.data());
   }
 
-  void Renderer::InitializeGraphicsPipeline(VkRenderPass renderPass)
+  void Renderer::InitializeGraphicsPipeline()
   {
-    PipelineCreator creator{renderPass, "res/shaders/renderer.vert", "res/shaders/renderer.frag"};
-    creator.SetVertexDescriptor(RendererVertex::GetDescriptor());
-    creator.SetDepthTest(false);
-    graphicsPipeline = std::make_unique<Pipeline>(creator);
+    pipeline = AssetManager::LoadAsset<Pipeline>("renderer.meta");
   }
 
   int Renderer::AllocateSampler(const Sampler& sampler)
   {
     for (size_t i = 0; i < textureCount; i++)
     {
-      if (*samplers[i] == sampler)
+      if (*samplers[i] == (VkSampler)sampler)
       {
         return i;
       }
@@ -142,8 +140,8 @@ namespace Copium
   {
     batches[batchIndex]->GetVertexBuffer().Unmap();
     batches[batchIndex]->GetVertexBuffer().Bind(*currentCommandBuffer);
-    graphicsPipeline->SetDescriptorSet(batches[batchIndex]->GetDescriptorSet());
-    graphicsPipeline->BindDescriptorSets(*currentCommandBuffer);
+    AssetManager::GetAsset<Pipeline>(pipeline).SetDescriptorSet(batches[batchIndex]->GetDescriptorSet());
+    AssetManager::GetAsset<Pipeline>(pipeline).BindDescriptorSets(*currentCommandBuffer);
     ibo.Draw(*currentCommandBuffer, quadCount * 6);
   }
 
@@ -153,7 +151,7 @@ namespace Copium
     std::fill(samplers.begin(), samplers.end(), &AssetManager::GetAsset<Texture2D>(emptyTexture));
     if (batchIndex >= batches.size())
     {
-      batches.emplace_back(std::make_unique<Batch>(*graphicsPipeline, descriptorPool, MAX_NUM_VERTICES, samplers));
+      batches.emplace_back(std::make_unique<Batch>(pipeline, descriptorPool, MAX_NUM_VERTICES, samplers));
     }
     mappedVertexBuffer = (char*)batches[batchIndex]->GetVertexBuffer().Map() + batches[batchIndex]->GetVertexBuffer().GetPosition(Vulkan::GetSwapChain().GetFlightIndex());
     quadCount = 0;

CopiumEngine/src/copium/renderer/Renderer.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "copium/asset/AssetMeta.h"
 #include "copium/buffer/CommandBuffer.h"
 #include "copium/buffer/IndexBuffer.h"
 #include "copium/buffer/RendererVertexBuffer.h"
@@ -20,7 +21,7 @@ namespace Copium
     DescriptorPool descriptorPool;
     IndexBuffer ibo;
     AssetHandle emptyTexture;
-    std::unique_ptr<Pipeline> graphicsPipeline;
+    AssetHandle pipeline;
     std::vector<std::unique_ptr<Batch>> batches;
 
     // Temporary data during a render
@@ -31,7 +32,7 @@ namespace Copium
     int textureCount;
     void* mappedVertexBuffer;
   public:
-    Renderer(VkRenderPass renderPass);
+    Renderer();
     ~Renderer();
 
     void Quad(const glm::vec2& from, const glm::vec2& to, const glm::vec3& color = glm::vec3{1, 1, 1});
@@ -44,7 +45,7 @@ namespace Copium
     void SetDescriptorSet(const DescriptorSet& descriptorSet);
   private:
     void InitializeIndexBuffer();
-    void InitializeGraphicsPipeline(VkRenderPass renderPass);
+    void InitializeGraphicsPipeline();
 
     int AllocateSampler(const Sampler& sampler);
     void AllocateQuad();

CopiumEngine/src/copium/sampler/ColorAttachment.cpp

@@ -5,8 +5,32 @@
 
 namespace Copium
 {
+
+  ColorAttachment::ColorAttachment(const MetaFile& metaFile)
+  {
+    const MetaFileClass& metaClass = metaFile.GetMetaClass("RenderTexture");
+    if (metaClass.HasValue("width"))
+    {
+      char* endPtr;
+      width = std::strtol(metaClass.GetValue("width").c_str(), &endPtr, 10);
+    }
+    else
+    {
+      width = Vulkan::GetSwapChain().GetExtent().width;
+    }
+    if (metaClass.HasValue("height"))
+    {
+      char* endPtr;
+      height = std::strtol(metaClass.GetValue("height").c_str(), &endPtr, 10);
+    }
+    else
+    {
+      height = Vulkan::GetSwapChain().GetExtent().height;
+    }
+    InitializeColorAttachment(width, height);
+  }
+
   ColorAttachment::ColorAttachment(int width, int height)
-    : Sampler{}
   {
     InitializeColorAttachment(width, height);
   }
@@ -21,6 +45,28 @@ namespace Copium
       vkDestroyImageView(Vulkan::GetDevice(), imageView, nullptr);
   }
 
+  void ColorAttachment::Resize(int width, int height)
+  {
+    for (auto&& image : images)
+      vkDestroyImage(Vulkan::GetDevice(), image, nullptr);
+    for (auto&& imageMemory : imageMemories)
+      vkFreeMemory(Vulkan::GetDevice(), imageMemory, nullptr);
+    for (auto&& imageView : imageViews)
+      vkDestroyImageView(Vulkan::GetDevice(), imageView, nullptr);
+
+    InitializeColorAttachment(width, height);
+  }
+
+  int ColorAttachment::GetWidth() const
+  {
+    return width;
+  }
+
+  int ColorAttachment::GetHeight() const
+  {
+    return height;
+  }
+
   VkDescriptorImageInfo ColorAttachment::GetDescriptorImageInfo(int index) const
   {
     CP_ASSERT(index >= 0 && index < imageViews.size(), "index out of bound for color attachment");
@@ -32,7 +78,7 @@ namespace Copium
     return imageInfo;
   }
 
-  VkImageView ColorAttachment::GetImageView(int index)
+  VkImageView ColorAttachment::GetImageView(int index) const
   {
     CP_ASSERT(index >= 0 && index < imageViews.size(), "Index out of bound");
 

CopiumEngine/src/copium/sampler/ColorAttachment.h

@@ -14,12 +14,19 @@ namespace Copium
     std::vector<VkImage> images;
     std::vector<VkDeviceMemory> imageMemories;
     std::vector<VkImageView> imageViews;
+    int width;
+    int height;
   public:
+    ColorAttachment(const MetaFile& metaFile);
     ColorAttachment(int width, int height);
     ~ColorAttachment() override;
 
+    void Resize(int width, int height);
+
+    int GetWidth() const;
+    int GetHeight() const;
     VkDescriptorImageInfo GetDescriptorImageInfo(int index) const override;
-    VkImageView GetImageView(int index);
+    VkImageView GetImageView(int index) const;
 
   private:
     void InitializeColorAttachment(int width, int height);

CopiumEngine/src/copium/sampler/DepthAttachment.cpp

@@ -18,6 +18,15 @@ namespace Copium
     vkDestroyImageView(Vulkan::GetDevice(), imageView, nullptr);
   }
 
+
+  void DepthAttachment::Resize(int width, int height)
+  {
+    vkDestroyImage(Vulkan::GetDevice(), image, nullptr);
+    vkFreeMemory(Vulkan::GetDevice(), imageMemory, nullptr);
+    vkDestroyImageView(Vulkan::GetDevice(), imageView, nullptr);
+    InitializeDepthAttachment(width, height);
+  }
+
   VkDescriptorImageInfo DepthAttachment::GetDescriptorImageInfo(int index) const
   {
     VkDescriptorImageInfo imageInfo{};

CopiumEngine/src/copium/sampler/DepthAttachment.h

@@ -18,6 +18,8 @@ namespace Copium
     DepthAttachment(int width, int height);
     ~DepthAttachment() override;
 
+    void Resize(int width, int height);
+
     VkDescriptorImageInfo GetDescriptorImageInfo(int index) const override;
     VkImageView GetImageView() const;
 

CopiumEngine/src/copium/sampler/Sampler.h

@@ -1,12 +1,13 @@
 #pragma once
 
+#include "copium/asset/Asset.h"
 #include "copium/util/Common.h"
 
 #include <vulkan/vulkan.hpp>
 
 namespace Copium
 {
-  class Sampler
+  class Sampler : public Asset
   {
     CP_DELETE_COPY_AND_MOVE_CTOR(Sampler);
   protected:

CopiumEngine/src/copium/sampler/Texture2D.cpp

@@ -10,7 +10,6 @@
 namespace Copium
 {
   Texture2D::Texture2D(const MetaFile& metaFile)
-    : Sampler{}, Asset{AssetType::Texture2D}
   {
     const std::string& filepath = metaFile.GetMetaClass("Texture2D").GetValue("filepath");
     CP_DEBUG("Loading texture file: %s", filepath.c_str());
@@ -18,7 +17,6 @@ namespace Copium
   }
 
   Texture2D::Texture2D(const std::vector<uint8_t>& rgbaData, int width, int height)
-    : Sampler{}, Asset{AssetType::Texture2D}
   {
     CP_ASSERT(rgbaData.size() == width * height * 4, "rgbaData has invalid size, should be equal to width * height * 4 (%d) actually is %d", width * height * 4, rgbaData.size());
     InitializeTextureImageFromData((void*)rgbaData.data(), width, height);

CopiumEngine/src/copium/sampler/Texture2D.h

@@ -1,6 +1,5 @@
 #pragma once
 
-#include "copium/asset/Asset.h"
 #include "copium/buffer/CommandBufferScoped.h"
 #include "copium/sampler/Image.h"
 #include "copium/sampler/Sampler.h"
@@ -10,7 +9,7 @@
 
 namespace Copium
 {
-  class Texture2D final : public Sampler, public Asset
+  class Texture2D final : public Sampler
   {
     CP_DELETE_COPY_AND_MOVE_CTOR(Texture2D);
   private: