Improve vulkan resource freeing

and some minor improvements to the Renderer, now taking in an
AssetRef<Pipeline> as parameter.

CopiumEngine/CopiumEngine.vcxproj

@@ -202,7 +202,6 @@
     <ClCompile Include="src\copium\event\WindowResizeEvent.cpp" />
     <ClCompile Include="src\copium\mesh\Mesh.cpp" />
     <ClCompile Include="src\copium\renderer\LineVertex.cpp" />
-    <ClCompile Include="src\copium\renderer\LineVertex.h" />
     <ClCompile Include="src\copium\pipeline\ShaderBinding.cpp" />
     <ClCompile Include="src\copium\renderer\Batch.cpp" />
     <ClCompile Include="src\copium\renderer\LineRenderer.cpp" />
@@ -287,6 +286,7 @@
     <ClInclude Include="src\copium\pipeline\ShaderBinding.h" />
     <ClInclude Include="src\copium\renderer\Batch.h" />
     <ClInclude Include="src\copium\renderer\LineRenderer.h" />
+    <ClInclude Include="src\copium\renderer\LineVertex.h" />
     <ClInclude Include="src\copium\renderer\Renderer.h" />
     <ClInclude Include="src\copium\renderer\RendererVertex.h" />
     <ClInclude Include="src\copium\sampler\DepthAttachment.h" />

CopiumEngine/CopiumEngine.vcxproj.filters

@@ -216,9 +216,6 @@
     <ClCompile Include="src\copium\event\ViewportResize.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="src\copium\renderer\LineVertex.h">
-      <Filter>Header Files</Filter>
-    </ClCompile>
     <ClCompile Include="src\copium\renderer\LineRenderer.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -479,5 +476,8 @@
     <ClInclude Include="src\copium\renderer\LineRenderer.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="src\copium\renderer\LineVertex.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

CopiumEngine/src/copium/buffer/Buffer.cpp

@@ -30,8 +30,12 @@ namespace Copium
 
   Buffer::~Buffer()
   {
-    vkFreeMemory(Vulkan::GetDevice(), memory, nullptr);
-    vkDestroyBuffer(Vulkan::GetDevice(), handle, nullptr);
+    VkDeviceMemory memoryCpy = memory;
+    VkBuffer handleCpy = handle;
+    Vulkan::GetDevice().QueueIdleCommand([memoryCpy, handleCpy]() {
+      vkFreeMemory(Vulkan::GetDevice(), memoryCpy, nullptr);
+      vkDestroyBuffer(Vulkan::GetDevice(), handleCpy, nullptr);
+    });
   }
 
   void Buffer::Update(void* indexData, int index)

CopiumEngine/src/copium/buffer/CommandBuffer.cpp

@@ -29,7 +29,10 @@ namespace Copium
 
   CommandBuffer::~CommandBuffer()
   {
-    vkFreeCommandBuffers(Vulkan::GetDevice(), Vulkan::GetDevice().GetCommandPool(), commandBuffers.size(), commandBuffers.data());
+    std::vector<VkCommandBuffer> commandBuffersCpy = commandBuffers;
+    Vulkan::GetDevice().QueueIdleCommand([commandBuffersCpy]() {
+      vkFreeCommandBuffers(Vulkan::GetDevice(), Vulkan::GetDevice().GetCommandPool(), commandBuffersCpy.size(), commandBuffersCpy.data());
+    });
   }
 
   // TODO: Test as constexpr function to see if it avoids the switch case

CopiumEngine/src/copium/buffer/Framebuffer.cpp

@@ -30,14 +30,18 @@ namespace Copium
 
   Framebuffer::~Framebuffer()
   {
-    for (auto& framebuffer : framebuffers)
-      vkDestroyFramebuffer(Vulkan::GetDevice(), framebuffer, nullptr);
-    vkDestroyRenderPass(Vulkan::GetDevice(), renderPass, nullptr);
+    std::vector<VkFramebuffer> framebuffersCpy = framebuffers;
+    VkRenderPass renderPassCpy = renderPass;
+    Vulkan::GetDevice().QueueIdleCommand([framebuffersCpy, renderPassCpy]() {
+      for (auto& framebuffer : framebuffersCpy)
+        vkDestroyFramebuffer(Vulkan::GetDevice(), framebuffer, nullptr);
+      vkDestroyRenderPass(Vulkan::GetDevice(), renderPassCpy, nullptr);
+    });
   }
 
   void Framebuffer::Resize(uint32_t width, uint32_t height)
   {
-    vkDeviceWaitIdle(Vulkan::GetDevice());
+    Vulkan::GetDevice().WaitIdle();
     this->width = width;
     this->height = height;
     for (auto&& framebuffer : framebuffers)

CopiumEngine/src/copium/buffer/UniformBuffer.cpp

@@ -23,7 +23,11 @@ namespace Copium
   {
     CP_ASSERT(binding.GetUniformType(str) == UniformType::Mat3, "Uniform type missmatch = %s", str.c_str());
     uint32_t offset = binding.GetUniformOffset(str);
-    memcpy(buffer.data() + offset, &data, sizeof(glm::mat3));
+    // memcpy(buffer.data() + offset,      &data[0], sizeof(glm::vec3));
+    // memcpy(buffer.data() + offset + 16, &data[1], sizeof(glm::vec3));
+    // memcpy(buffer.data() + offset + 32, &data[2], sizeof(glm::vec3));
+    glm::mat4x3 mat43{data};
+    memcpy(buffer.data() + offset, &mat43, sizeof(glm::mat4x3));
   }
 
   void UniformBuffer::Set(const std::string& str, const glm::mat4& data)

CopiumEngine/src/copium/core/Device.cpp

@@ -65,6 +65,29 @@ namespace Copium
     CP_ABORT("Failed to find suitable memory type");
   }
 
+  void Device::WaitIdle()
+  {
+    vkDeviceWaitIdle(device);
+    while (!idleCommands.empty())
+    {
+      idleCommands.front()();
+      idleCommands.pop();
+    }
+  }
+
+  void Device::WaitIdleIfCommandQueued()
+  {
+    if (!idleCommands.empty())
+    {
+      WaitIdle();
+    }
+  }
+
+  void Device::QueueIdleCommand(std::function<void()> idleCommand)
+  {
+    idleCommands.emplace(idleCommand);
+  }
+
   void Device::SelectPhysicalDevice()
   {
     uint32_t deviceCount;

CopiumEngine/src/copium/core/Device.h

@@ -4,6 +4,8 @@
 #include "copium/util/Common.h"
 
 #include <vulkan/vulkan.hpp>
+#include <queue>
+#include <functional>
 
 namespace Copium
 {
@@ -11,18 +13,6 @@ namespace Copium
   class Device
   {
     CP_DELETE_COPY_AND_MOVE_CTOR(Device);
-  private:
-    VkPhysicalDevice physicalDevice;
-    VkDevice device;
-    VkCommandPool commandPool;
-
-    // TODO: Move to SwapChain?
-    uint32_t graphicsQueueIndex;
-    uint32_t presentQueueIndex;
-    VkQueue graphicsQueue;
-    VkQueue presentQueue;
-    // TODO end
-
   public:
     Device();
     ~Device();
@@ -35,6 +25,23 @@ namespace Copium
     VkPhysicalDevice GetPhysicalDevice() const;
     operator VkDevice() const;
     uint32_t FindMemoryType(uint32_t typeFilter, VkMemoryPropertyFlags properties);
+    void WaitIdle();
+    void WaitIdleIfCommandQueued();
+    void QueueIdleCommand(std::function<void()> idleCommand);
+
+  private:
+    VkPhysicalDevice physicalDevice;
+    VkDevice device;
+    VkCommandPool commandPool;
+
+    // TODO: Move to SwapChain?
+    uint32_t graphicsQueueIndex;
+    uint32_t presentQueueIndex;
+    VkQueue graphicsQueue;
+    VkQueue presentQueue;
+    std::queue<std::function<void()>> idleCommands;
+    // TODO end
+
   
   private:
     void SelectPhysicalDevice();

CopiumEngine/src/copium/core/SwapChain.cpp

@@ -179,7 +179,7 @@ namespace Copium
       glfwWaitEvents();
     }
 
-    vkDeviceWaitIdle(Vulkan::GetDevice());
+    Vulkan::GetDevice().WaitIdle();
 
     Destroy();
 

CopiumEngine/src/copium/core/Vulkan.cpp

@@ -16,6 +16,7 @@ namespace Copium
   std::unique_ptr<SwapChain> Vulkan::swapChain;
   std::unique_ptr<ImGuiInstance> Vulkan::imGuiInstance;
   AssetHandle<Texture2D> Vulkan::emptyTexture2D;
+  AssetHandle<Texture2D> Vulkan::whiteTexture2D;
 
   void Vulkan::Initialize()
   {
@@ -39,16 +40,19 @@ namespace Copium
     //       By looking at where the executable is, since that should always be in the bin folder (it currently isn't though)
     AssetManager::RegisterAssetDir("assets/");
     emptyTexture2D = AssetHandle<Texture2D>{"empty_texture2d", std::make_unique<Texture2D>(std::vector<uint8_t>{255, 0, 255, 255}, 1, 1, SamplerCreator{})};
+    whiteTexture2D = AssetHandle<Texture2D>{"white_texture2d", std::make_unique<Texture2D>(std::vector<uint8_t>{255, 255, 255, 255}, 1, 1, SamplerCreator{})};
     CP_INFO("Initialized AssetManager in %f seconds", timer.Elapsed());
   }
 
   void Vulkan::Destroy()
   {
     emptyTexture2D.UnloadAsset();
+    whiteTexture2D.UnloadAsset();
     AssetManager::UnregisterAssetDir("assets/");
     AssetManager::Cleanup();
     imGuiInstance.reset();
     swapChain.reset();
+    device->WaitIdle();
     device.reset();
     window.reset();
     instance.reset();
@@ -79,6 +83,11 @@ namespace Copium
     return *imGuiInstance;
   }
 
+  AssetHandle<Texture2D> Vulkan::GetWhiteTexture2D()
+  {
+    return whiteTexture2D;
+  }
+
   AssetHandle<Texture2D> Vulkan::GetEmptyTexture2D()
   {
     return emptyTexture2D;

CopiumEngine/src/copium/core/Vulkan.h

@@ -24,6 +24,7 @@ namespace Copium
     static std::unique_ptr<ImGuiInstance> imGuiInstance;
 
     static AssetHandle<Texture2D> emptyTexture2D;
+    static AssetHandle<Texture2D> whiteTexture2D;
   public:
     static void Initialize();
     static void Destroy();
@@ -33,6 +34,7 @@ namespace Copium
     static SwapChain& GetSwapChain();
     static ImGuiInstance& GetImGuiInstance();
     static bool Valid();
+    static AssetHandle<Texture2D> GetWhiteTexture2D();
     static AssetHandle<Texture2D> GetEmptyTexture2D();
   };
 }

CopiumEngine/src/copium/pipeline/DescriptorPool.cpp

@@ -25,7 +25,10 @@ namespace Copium
 
   DescriptorPool::~DescriptorPool()
   {
-    vkDestroyDescriptorPool(Vulkan::GetDevice(), descriptorPool, nullptr);
+    VkDescriptorPool descriptorPoolCpy = descriptorPool;
+    Vulkan::GetDevice().QueueIdleCommand([descriptorPoolCpy]() {
+      vkDestroyDescriptorPool(Vulkan::GetDevice(), descriptorPoolCpy, nullptr);
+    });
   }
 
   std::vector<VkDescriptorSet> DescriptorPool::AllocateDescriptorSets(VkDescriptorSetLayout descriptorSetLayout)
@@ -45,7 +48,11 @@ namespace Copium
 
   void DescriptorPool::FreeDescriptorSets(const std::vector<VkDescriptorSet>& descriptorSets)
   {
-    vkFreeDescriptorSets(Vulkan::GetDevice(), descriptorPool, descriptorSets.size(), descriptorSets.data());
+    VkDescriptorPool descriptorPoolCpy = descriptorPool;
+    std::vector<VkDescriptorSet> descriptorSetsCpy = descriptorSets;
+    Vulkan::GetDevice().QueueIdleCommand([descriptorPoolCpy, descriptorSetsCpy]() {
+      vkFreeDescriptorSets(Vulkan::GetDevice(), descriptorPoolCpy, descriptorSetsCpy.size(), descriptorSetsCpy.data());
+    });
   }
 
   DescriptorPool::operator VkDescriptorPool() const

CopiumEngine/src/copium/pipeline/Pipeline.cpp

@@ -44,11 +44,13 @@ namespace Copium
     {
       creator.SetVertexDescriptor(Vertex::GetDescriptor());
       creator.SetBlending(metaFileClass.GetValue("alpha-blending", "false") == "true" ? true : false);
+      creator.SetDepthTest(metaFileClass.GetValue("depth-test", "true") == "true" ? true : false);
     }
     else if (type == "LineRenderer")
     {
       creator.SetVertexDescriptor(LineVertex::GetDescriptor());
       creator.SetPrimitiveTopology(VK_PRIMITIVE_TOPOLOGY_LINE_LIST);
+      creator.SetDepthTest(metaFileClass.GetValue("depth-test", "false") == "true" ? true : false);
     }
     InitializeDescriptorSetLayout(creator);
     InitializePipeline(creator);
@@ -63,12 +65,17 @@ namespace Copium
 
   Pipeline::~Pipeline()
   {
-    vkDestroyPipeline(Vulkan::GetDevice(), graphicsPipeline, nullptr);
-    vkDestroyPipelineLayout(Vulkan::GetDevice(), pipelineLayout, nullptr);
-    for (auto&& descriptorSetLayout : descriptorSetLayouts)
-    {
-      vkDestroyDescriptorSetLayout(Vulkan::GetDevice(), descriptorSetLayout, nullptr);
-    }
+    VkPipeline graphicsPipelineCpy = graphicsPipeline;
+    VkPipelineLayout pipelineLayoutCpy = pipelineLayout;
+    std::vector<VkDescriptorSetLayout> descriptorSetLayoutsCpy = descriptorSetLayouts;
+    Vulkan::GetDevice().QueueIdleCommand([graphicsPipelineCpy, pipelineLayoutCpy, descriptorSetLayoutsCpy]() {
+      vkDestroyPipeline(Vulkan::GetDevice(), graphicsPipelineCpy, nullptr);
+      vkDestroyPipelineLayout(Vulkan::GetDevice(), pipelineLayoutCpy, nullptr);
+      for (auto&& descriptorSetLayout : descriptorSetLayoutsCpy)
+      {
+        vkDestroyDescriptorSetLayout(Vulkan::GetDevice(), descriptorSetLayout, nullptr);
+      }
+    });
   }
 
   void Pipeline::Bind(const CommandBuffer& commandBuffer)

CopiumEngine/src/copium/pipeline/Shader.cpp

@@ -46,8 +46,12 @@ namespace Copium
 
   Shader::~Shader()
   {
-    vkDestroyShaderModule(Vulkan::GetDevice(), vertShaderModule, nullptr);
-    vkDestroyShaderModule(Vulkan::GetDevice(), fragShaderModule, nullptr);
+    VkShaderModule vertShaderModuleCpy = vertShaderModule;
+    VkShaderModule fragShaderModuleCpy = fragShaderModule;
+    Vulkan::GetDevice().QueueIdleCommand([vertShaderModuleCpy, fragShaderModuleCpy]() {
+      vkDestroyShaderModule(Vulkan::GetDevice(), vertShaderModuleCpy, nullptr);
+      vkDestroyShaderModule(Vulkan::GetDevice(), fragShaderModuleCpy, nullptr);
+    });
   }
 
   const std::vector<VkPipelineShaderStageCreateInfo> Shader::GetShaderStages() const

CopiumEngine/src/copium/renderer/Renderer.cpp

@@ -12,10 +12,10 @@ namespace Copium
   static constexpr int MAX_NUM_INDICES = 6 * MAX_NUM_QUADS;
   static constexpr int MAX_NUM_TEXTURES = 32;
 
-  Renderer::Renderer()
+  Renderer::Renderer(const AssetRef<Pipeline>& pipeline)
     : descriptorPool{},
       ibo{MAX_NUM_INDICES}, 
-      pipeline{"renderer.meta"}, // TODO: should be a runtime renderer pipeline or passed in constructor
+      pipeline{pipeline},
       samplers{MAX_NUM_TEXTURES, &Vulkan::GetEmptyTexture2D().GetAsset()}
   {
     InitializeIndexBuffer();

CopiumEngine/src/copium/renderer/Renderer.h

@@ -33,7 +33,7 @@ namespace Copium
     int textureCount;
     void* mappedVertexBuffer;
   public:
-    Renderer();
+    Renderer(const AssetRef<Pipeline>& pipeline);
     ~Renderer();
 
     void Quad(const glm::vec2& from, const glm::vec2& to, const glm::vec3& color = glm::vec3{1, 1, 1});

CopiumEngine/src/copium/sampler/ColorAttachment.cpp

@@ -39,12 +39,17 @@ namespace Copium
 
   ColorAttachment::~ColorAttachment()
   {
-    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);
+    std::vector<VkImage> imagesCpy = images;
+    std::vector<VkDeviceMemory> imageMemoriesCpy = imageMemories;
+    std::vector<VkImageView> imageViewsCpy = imageViews;
+    Vulkan::GetDevice().QueueIdleCommand([imagesCpy, imageMemoriesCpy, imageViewsCpy]() {
+      for (auto&& image : imagesCpy)
+        vkDestroyImage(Vulkan::GetDevice(), image, nullptr);
+      for (auto&& imageMemory : imageMemoriesCpy)
+        vkFreeMemory(Vulkan::GetDevice(), imageMemory, nullptr);
+      for (auto&& imageView : imageViewsCpy)
+        vkDestroyImageView(Vulkan::GetDevice(), imageView, nullptr);
+    });
   }
 
   void ColorAttachment::Resize(int width, int height)

CopiumEngine/src/copium/sampler/DepthAttachment.cpp

@@ -13,9 +13,14 @@ namespace Copium
 
   DepthAttachment::~DepthAttachment()
   {
-    vkDestroyImage(Vulkan::GetDevice(), image, nullptr);
-    vkFreeMemory(Vulkan::GetDevice(), imageMemory, nullptr);
-    vkDestroyImageView(Vulkan::GetDevice(), imageView, nullptr);
+    VkImage imageCpy = image;
+    VkDeviceMemory imageMemoryCpy = imageMemory;
+    VkImageView imageViewCpy = imageView;
+    Vulkan::GetDevice().QueueIdleCommand([imageCpy, imageMemoryCpy, imageViewCpy]() {
+      vkDestroyImage(Vulkan::GetDevice(), imageCpy, nullptr);
+      vkFreeMemory(Vulkan::GetDevice(), imageMemoryCpy, nullptr);
+      vkDestroyImageView(Vulkan::GetDevice(), imageViewCpy, nullptr);
+    });
   }
 
 

CopiumEngine/src/copium/sampler/Font.cpp

@@ -75,9 +75,14 @@ namespace Copium
 
   Font::~Font()
   {
-    vkDestroyImage(Vulkan::GetDevice(), image, nullptr);
-    vkFreeMemory(Vulkan::GetDevice(), imageMemory, nullptr);
-    vkDestroyImageView(Vulkan::GetDevice(), imageView, nullptr);
+    VkImage imageCpy = image;
+    VkDeviceMemory imageMemoryCpy = imageMemory;
+    VkImageView imageViewCpy = imageView;
+    Vulkan::GetDevice().QueueIdleCommand([imageCpy, imageMemoryCpy, imageViewCpy]() {
+      vkDestroyImage(Vulkan::GetDevice(), imageCpy, nullptr);
+      vkFreeMemory(Vulkan::GetDevice(), imageMemoryCpy, nullptr);
+      vkDestroyImageView(Vulkan::GetDevice(), imageViewCpy, nullptr);
+    });
   }
 
   VkDescriptorImageInfo Font::GetDescriptorImageInfo(int index) const

CopiumEngine/src/copium/sampler/Sampler.cpp

@@ -11,7 +11,10 @@ namespace Copium
 
   Sampler::~Sampler()
   {
-    vkDestroySampler(Vulkan::GetDevice(), sampler, nullptr);
+    VkSampler samplerCpy = sampler;
+    Vulkan::GetDevice().QueueIdleCommand([samplerCpy]() {
+      vkDestroySampler(Vulkan::GetDevice(), samplerCpy, nullptr);
+    });
   }
 
   void Sampler::InitializeSampler(const SamplerCreator& samplerCreator)

CopiumEngine/src/copium/sampler/Texture2D.cpp

@@ -27,13 +27,14 @@ namespace Copium
 
   Texture2D::~Texture2D()
   {
-    // TODO: Do we want to queue the deletion and have it wait for idle once every frame instead?
-    //       Something like:
-    //       Vulkan::GetDevice().QueueIdleCommand([]() { Texture2D::Destroy(image, imageMemory, imageView); });
-    vkDeviceWaitIdle(Vulkan::GetDevice());
-    vkDestroyImage(Vulkan::GetDevice(), image, nullptr);
-    vkFreeMemory(Vulkan::GetDevice(), imageMemory, nullptr);
-    vkDestroyImageView(Vulkan::GetDevice(), imageView, nullptr);
+    VkImage imageCpy = image;
+    VkDeviceMemory imageMemoryCpy = imageMemory;
+    VkImageView imageViewCpy = imageView;
+    Vulkan::GetDevice().QueueIdleCommand([imageCpy, imageMemoryCpy, imageViewCpy]() {
+      vkDestroyImage(Vulkan::GetDevice(), imageCpy, nullptr);
+      vkFreeMemory(Vulkan::GetDevice(), imageMemoryCpy, nullptr);
+      vkDestroyImageView(Vulkan::GetDevice(), imageViewCpy, nullptr);
+    });
   }
 
   VkDescriptorImageInfo Texture2D::GetDescriptorImageInfo(int index) const