[WIP] Editor: ImGui-Vulkan integration

SHADE_Application/src/Application/SBApplication.cpp

@@ -2,9 +2,10 @@
 #include "SBApplication.h"
 #include "Engine/ECS_Base/System/SHSystemManager.h"
 
+#define SHEDITOR
 #ifdef SHEDITOR
 #include "Editor/SHEditor.h"
-#include "Scenes/SBEditorScene.h"
+//#include "Scenes/SBEditorScene.h"
 #endif // SHEDITOR
 
 #include <chrono>
@@ -29,8 +30,8 @@ namespace Sandbox
     graphicsSystem->SetWindow(&window);
 
     SHADE::SHSystemManager::Init();
-
 		#ifdef SHEDITOR
+    SHADE::SHEditor::Initialize(window.GetHWND());
 		#else
 		#endif
 
@@ -43,9 +44,14 @@ namespace Sandbox
     //TODO: Change true to window is open
     while (!window.WindowShouldClose())
     {
+      #ifdef SHEDITOR
+      //SHADE::SHEditor::PreRender();
+      #endif
       graphicsSystem->BeginRender();
 			#ifdef SHEDITOR
-			#else
+      SHADE::SHEditor::PreRender();
+      SHADE::SHEditor::Update();
+      SHADE::SHEditor::Render();
 			#endif
       graphicsSystem->EndRender();
   }
@@ -54,6 +60,7 @@ namespace Sandbox
 
   void SBApplication::Exit(void)
   {
+    //SHADE::SHEditor::Exit();
     SHADE::SHSystemManager::Exit();
 
 		#ifdef SHEDITOR

SHADE_Engine/SHADE_Engine.vcxproj

@@ -102,6 +102,8 @@
     </Lib>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClInclude Include="src\Editor\SHEditor.h" />
+    <ClInclude Include="src\Editor\SHEditorBackend.h" />
     <ClInclude Include="src\Engine\ECS_Base\Components\SHComponent.h" />
     <ClInclude Include="src\Engine\ECS_Base\Components\SHComponentGroup.h" />
     <ClInclude Include="src\Engine\ECS_Base\Entity\SHEntity.h" />
@@ -186,6 +188,7 @@
     <ClInclude Include="src\Tools\SHLogger.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="src\Editor\SHEditor.cpp" />
     <ClCompile Include="src\Engine\ECS_Base\Components\SHComponent.cpp" />
     <ClCompile Include="src\Engine\ECS_Base\Components\SHComponentGroup.cpp" />
     <ClCompile Include="src\Engine\ECS_Base\Entity\SHEntity.cpp" />

SHADE_Engine/SHADE_Engine.vcxproj.filters

@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
+    <Filter Include="Editor">
+      <UniqueIdentifier>{8C1A20B0-78BC-4A86-6177-5EDA4DB8D1D6}</UniqueIdentifier>
+    </Filter>
     <Filter Include="Engine">
       <UniqueIdentifier>{DBC7D3B0-C769-FE86-B024-12DB9C6585D7}</UniqueIdentifier>
     </Filter>
@@ -108,6 +111,12 @@
     </Filter>
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="src\Editor\SHEditor.h">
+      <Filter>Editor</Filter>
+    </ClInclude>
+    <ClInclude Include="src\Editor\SHEditorBackend.h">
+      <Filter>Editor</Filter>
+    </ClInclude>
     <ClInclude Include="src\Engine\ECS_Base\Components\SHComponent.h">
       <Filter>Engine\ECS_Base\Components</Filter>
     </ClInclude>
@@ -354,6 +363,9 @@
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="src\Editor\SHEditor.cpp">
+      <Filter>Editor</Filter>
+    </ClCompile>
     <ClCompile Include="src\Engine\ECS_Base\Components\SHComponent.cpp">
       <Filter>Engine\ECS_Base\Components</Filter>
     </ClCompile>

SHADE_Engine/src/Editor/SHEditor.cpp

@@ -2,16 +2,41 @@
 #include "SHEditor.h"
 #include "SHEditorBackend.h"
 
+#include <Engine/ECS_Base/System/SHSystemManager.h>
+#include <Graphics/Instance/SHVkInstance.h>
+
+#include <Graphics/MiddleEnd/Interface/SHGraphicsSystem.h>
+#include <Graphics/Devices/SHVkPhysicalDevice.h>
+#include <Graphics/Devices/SHVkLogicalDevice.h>
+#include "Graphics/Swapchain/SHVkSwapchain.h"
+#include "Graphics/Debugging/SHVulkanDebugUtil.h"
+
+#include "Tools/SHLogger.h"
+
 namespace SHADE
 {
-  void SHEditor::Initialize()
+  Handle<SHVkCommandPool> SHEditor::cmdPool;
+  Handle<SHVkCommandBuffer> SHEditor::cmdBuffer;
+
+  void SHEditor::Initialize(HWND hwnd)
   {
     IMGUI_CHECKVERSION();
     ImGui::CreateContext();
 
-    SetupWin32Backend();
+    SetupWin32Backend(hwnd);
     SetupVulkanBackend();
 
+    //ImGuiIO& io = ImGui::GetIO();
+
+    //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;     // Enable Keyboard Controls
+    //io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
+    //io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
+
+  }
+
+  void SHEditor::PreRender()
+  {
+    cmdPool->Reset();
   }
 
   void SHEditor::Update()
@@ -19,13 +44,21 @@ namespace SHADE
     NewFrame();
 
     //Add all windows to draw list, Perform necessary updates
+    ImGui::ShowDemoWindow();
 
     ImGui::Render();
   }
 
   void SHEditor::Render()
   {
-    //ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), )
+    ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), cmdBuffer->GetVkCommandBuffer());
+
+    ImGuiIO& io = ImGui::GetIO();
+    if(io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
+    {
+      ImGui::UpdatePlatformWindows();
+      ImGui::RenderPlatformWindowsDefault();
+    }
   }
 
   void SHEditor::Exit()
@@ -38,8 +71,31 @@ namespace SHADE
   void SHEditor::SetupVulkanBackend()
   {
     ImGui_ImplVulkan_InitInfo initInfo;
-    //initInfo.Device = 
-    ImGui_ImplVulkan_Init(&initInfo, VK_NULL_HANDLE);
+
+    initInfo.Instance = SHVkInstance::GetVkInstance();
+    auto gfxSystem = reinterpret_cast<SHGraphicsSystem*>(SHSystemManager::GetSystem("Graphics System"));
+    initInfo.PhysicalDevice = gfxSystem->GetPhysicalDevice()->GetVkPhysicalDevice();
+    initInfo.Device = gfxSystem->GetDevice()->GetVkLogicalDevice();
+    initInfo.Queue = gfxSystem->GetQueue()->GetVkQueue();
+    initInfo.MinImageCount = initInfo.ImageCount = gfxSystem->GetSwapchain()->GetNumImages();
+    initInfo.DescriptorPool = gfxSystem->GetDescriptorPool()->GetVkHandle();
+    initInfo.MSAASamples = VK_SAMPLE_COUNT_1_BIT;
+    initInfo.Allocator = nullptr;
+    initInfo.PipelineCache = nullptr;
+    initInfo.Subpass = 0;
+    initInfo.CheckVkResultFn = [](VkResult err)
+    {
+      if (err == VK_SUCCESS)
+        return;
+      SHVulkanDebugUtil::ReportVkError(vk::Result(err), "Editor Error");
+    };
+
+    ImGui_ImplVulkan_Init(&initInfo, gfxSystem->GetRenderGraph().GetNode("G-Buffer")->GetRenderpass()->GetVkRenderpass());
+
+    cmdPool = gfxSystem->GetDevice()->CreateCommandPool(SH_QUEUE_FAMILY_ARRAY_INDEX::GRAPHICS, SH_CMD_POOL_RESET::POOL_BASED, true);
+    cmdBuffer = cmdPool->RequestCommandBuffer(SH_CMD_BUFFER_TYPE::PRIMARY);
+
+    ImGui_ImplVulkan_CreateFontsTexture(cmdBuffer->GetVkCommandBuffer());
   }
 
   void SHEditor::ShutdownVulkanBackend()
@@ -49,11 +105,14 @@ namespace SHADE
 
   void SHEditor::NewFrame()
   {
+    ImGui_ImplWin32_NewFrame();
+    ImGui_ImplVulkan_NewFrame();
+    ImGui::NewFrame();
   }
 
-  void SHEditor::SetupWin32Backend()
+  void SHEditor::SetupWin32Backend(HWND hwnd)
   {
-    //ImGui_ImplWin32_Init(/*hwnd*/);
+    ImGui_ImplWin32_Init(hwnd);
   }
 
   void SHEditor::ShutdownWin32Backend()

SHADE_Engine/src/Editor/SHEditor.h

@@ -1,4 +1,5 @@
 #pragma once
+#include "Graphics/Commands/SHVkCommandPool.h"
 
 namespace SHADE
 {
@@ -6,7 +7,9 @@ namespace SHADE
   {
   public:
 
-    static void Initialize();
+    static void Initialize(HWND hwnd);
+
+    static void PreRender();
 
     static void Update();
 
@@ -15,11 +18,14 @@ namespace SHADE
     static void Exit();
 
   private:
-    static void SetupWin32Backend();
+    static void SetupWin32Backend(HWND hwnd);
     static void ShutdownWin32Backend();
     static void SetupVulkanBackend();
     static void ShutdownVulkanBackend();
 
     static void NewFrame();
+
+    static Handle<SHVkCommandPool> cmdPool;
+    static Handle<SHVkCommandBuffer> cmdBuffer;
   };
-}
+}