SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.cpp

@@ -36,11 +36,9 @@ of DigiPen Institute of Technology is prohibited.
 
 namespace SHADE
 {
+#pragma region INIT_EXIT
 
-  /*---------------------------------------------------------------------------------*/
+  void SHGraphicsSystem::InitBoilerplate(void) noexcept
-  /* Constructor/Destructors                                                         */
-  /*---------------------------------------------------------------------------------*/
-  void SHGraphicsSystem::Init(void)
   {
     /*-----------------------------------------------------------------------*/
     /* BACKEND BOILERPLATE                                                   */
@@ -106,9 +104,10 @@ namespace SHADE
     graphicsCmdPool = device->CreateCommandPool(SH_QUEUE_FAMILY_ARRAY_INDEX::GRAPHICS, SH_CMD_POOL_RESET::POOL_BASED, true);
     transferCmdBuffer = graphicsCmdPool->RequestCommandBuffer(SH_CMD_BUFFER_TYPE::PRIMARY);
     graphicsTexCmdBuffer = graphicsCmdPool->RequestCommandBuffer(SH_CMD_BUFFER_TYPE::PRIMARY);
+  }
 
-
+  void SHGraphicsSystem::InitSceneRenderGraph(void) noexcept
-
+  {
     /*-----------------------------------------------------------------------*/
     /* MIDDLE END SETUP
        - Viewports
@@ -118,6 +117,7 @@ namespace SHADE
        - Default vertex input state
        - Global data
     /*-----------------------------------------------------------------------*/
+    auto windowDims = window->GetWindowSize();
 
     SHGraphicsGlobalData::Init(device);
 
@@ -134,61 +134,47 @@ namespace SHADE
     defaultViewport = AddViewport(vk::Viewport(0.0f, 0.0f, static_cast<float>(window->GetWindowSize().first), static_cast<float>(window->GetWindowSize().second), 0.0f, 1.0f));
 
     // Get render graph from default viewport world renderer
-    worldRenderGraph = resourceManager.Create<SHRenderGraph>();
+    sceneRenderGraph = resourceManager.Create<SHRenderGraph>();
 
-    std::vector<Handle<SHVkCommandPool>> renderContextCmdPools{swapchain->GetNumImages()};
+    std::vector<Handle<SHVkCommandPool>> renderContextCmdPools{ swapchain->GetNumImages() };
     for (uint32_t i = 0; i < renderContextCmdPools.size(); ++i)
     {
       renderContextCmdPools[i] = renderContext.GetFrameData(i).cmdPoolHdls[0];
     }
 
     // Initialize world render graph
-    worldRenderGraph->Init(device, swapchain);
+    sceneRenderGraph->Init(device, swapchain);
-    worldRenderGraph->AddResource("Present", {SH_ATT_DESC_TYPE_FLAGS::COLOR_PRESENT}, windowDims.first, windowDims.second);
+    sceneRenderGraph->AddResource("Present", { SH_ATT_DESC_TYPE_FLAGS::COLOR_PRESENT }, windowDims.first, windowDims.second);
-    worldRenderGraph->AddResource("Scene", {SH_ATT_DESC_TYPE_FLAGS::COLOR, SH_ATT_DESC_TYPE_FLAGS::INPUT}, windowDims.first, windowDims.second);
+    sceneRenderGraph->AddResource("Scene", { SH_ATT_DESC_TYPE_FLAGS::COLOR, SH_ATT_DESC_TYPE_FLAGS::INPUT }, windowDims.first, windowDims.second);
-    worldRenderGraph->AddResource("Depth Buffer", {SH_ATT_DESC_TYPE_FLAGS::DEPTH_STENCIL}, windowDims.first, windowDims.second, vk::Format::eD32SfloatS8Uint);
+    sceneRenderGraph->AddResource("Depth Buffer", { SH_ATT_DESC_TYPE_FLAGS::DEPTH_STENCIL }, windowDims.first, windowDims.second, vk::Format::eD32SfloatS8Uint);
-    worldRenderGraph->AddResource("Entity ID", {SH_ATT_DESC_TYPE_FLAGS::COLOR}, windowDims.first, windowDims.second, vk::Format::eR32Uint, 1, vk::ImageUsageFlagBits::eTransferSrc);
+    sceneRenderGraph->AddResource("Entity ID", { SH_ATT_DESC_TYPE_FLAGS::COLOR }, windowDims.first, windowDims.second, vk::Format::eR32Uint, 1, vk::ImageUsageFlagBits::eTransferSrc);
 
-    //worldRenderGraph->AddResource("Position", SH_ATT_DESC_TYPE::COLOR, windowDims.first, windowDims.second, vk::Format::eR16G16B16A16Sfloat);
+    auto node = sceneRenderGraph->AddNode("G-Buffer", { "Entity ID", "Depth Buffer", "Scene" }, {}); // no predecessors
-    //worldRenderGraph->AddResource("Normals", SH_ATT_DESC_TYPE::COLOR, windowDims.first, windowDims.second, vk::Format::eR16G16B16A16Sfloat);
-    //worldRenderGraph->AddResource("Composite", SH_ATT_DESC_TYPE::COLOR, windowDims.first, windowDims.second, vk::Format::eR16G16B16A16Sfloat);
-    //worldRenderGraph->AddResource("Scene", SH_ATT_DESC_TYPE::COLOR, windowDims.first, windowDims.second, vk::Format::eB8G8R8A8Unorm);
-    auto node = worldRenderGraph->AddNode("G-Buffer", { "Entity ID", "Depth Buffer", "Scene"}, {}); // no predecessors
 
      //First subpass to write to G-Buffer
     auto gBufferWriteSubpass = node->AddSubpass("G-Buffer Write");
     gBufferWriteSubpass->AddColorOutput("Scene");
     gBufferWriteSubpass->AddColorOutput("Entity ID");
-    gBufferWriteSubpass->AddDepthOutput ("Depth Buffer", SH_ATT_DESC_TYPE_FLAGS::DEPTH_STENCIL);
+    gBufferWriteSubpass->AddDepthOutput("Depth Buffer", SH_ATT_DESC_TYPE_FLAGS::DEPTH_STENCIL);
 
     // We do this to just transition our scene layout to shader read
     auto sceneLayoutTransitionSubpass = node->AddSubpass("Scene Layout Transition");
     sceneLayoutTransitionSubpass->AddInput("Scene");
 
 #ifdef SHEDITOR
-    auto imguiNode = worldRenderGraph->AddNode("ImGui Node", { "Present" }, {"G-Buffer"});
+    auto imguiNode = sceneRenderGraph->AddNode("ImGui Node", { "Present" }, { "G-Buffer" });
     auto imguiSubpass = imguiNode->AddSubpass("ImGui Draw");
     imguiSubpass->AddColorOutput("Present");
 #endif
 
-    worldRenderGraph->Generate();
+    // Generate world render graph
-
+    sceneRenderGraph->Generate();
-    // Create Semaphore
-    for (auto& semaHandle : graphSemaphores)
-    {
-      semaHandle = device->CreateSemaphore();
-    }
-
-    // Create Debug Renderers
-    /*debugScreenRenderer = defaultViewport->AddRenderer(resourceManager, worldRenderGraph);
-    debugScreenRenderer->SetCamera(screenCamera);
-    debugWorldRenderer = defaultViewport->AddRenderer(resourceManager, worldRenderGraph);
-    debugWorldRenderer->SetCamera(worldCamera);*/
 
     // Add world renderer to default viewport
-    worldRenderer = defaultViewport->AddRenderer(resourceManager, swapchain->GetNumImages(), renderContextCmdPools, descPool, SHGraphicsGlobalData::GetDescSetLayouts()[SHGraphicsConstants::DescriptorSetIndex::HIGH_FREQUENCY_GLOBALS], worldRenderGraph);
+    worldRenderer = defaultViewport->AddRenderer(resourceManager, swapchain->GetNumImages(), renderContextCmdPools, descPool, SHGraphicsGlobalData::GetDescSetLayouts()[SHGraphicsConstants::DescriptorSetIndex::HIGH_FREQUENCY_GLOBALS], sceneRenderGraph);
     worldRenderer->SetCamera(worldCamera);
 
+
     // TODO: This is VERY temporarily here until a more solid resource management system is implemented
     shaderSourceLibrary.Init("../../TempShaderFolder/");
 
@@ -202,6 +188,21 @@ namespace SHADE
     cubeFS->Reflect();
 
     defaultMaterial = AddMaterial(cubeVS, cubeFS, gBufferWriteSubpass);
+  }
+
+  void SHGraphicsSystem::InitMiddleEnd(void) noexcept
+  {
+    InitSceneRenderGraph();
+
+    // Create Semaphore
+    for (auto& semaHandle : graphSemaphores)
+    {
+      semaHandle = device->CreateSemaphore();
+    }
+  }
+
+  void SHGraphicsSystem::InitSubsystems(void) noexcept
+  {
 
     mousePickSystem = resourceManager.Create<SHMousePickSystem>();
 
@@ -210,13 +211,36 @@ namespace SHADE
     for (uint32_t i = 0; i < swapchain->GetNumImages(); ++i)
       cmdPools.push_back(renderContext.GetFrameData(i).cmdPoolHdls[0]);
 
-    mousePickSystem->Init(device, cmdPools, worldRenderGraph->GetRenderGraphResource("Entity ID"));
+    mousePickSystem->Init(device, cmdPools, sceneRenderGraph->GetRenderGraphResource("Entity ID"));
 
     // Register the post offscreen render to the system
     postOffscreenRender = resourceManager.Create<SHPostOffscreenRenderSystem>();
-    postOffscreenRender->Init(device, worldRenderGraph->GetRenderGraphResource("Scene"), descPool);
+    postOffscreenRender->Init(device, sceneRenderGraph->GetRenderGraphResource("Scene"), descPool);
   }
 
+  /*---------------------------------------------------------------------------------*/
+  /* Constructor/Destructors                                                         */
+  /*---------------------------------------------------------------------------------*/
+  void SHGraphicsSystem::Init(void)
+  {
+    InitBoilerplate();
+    InitMiddleEnd();
+    InitSubsystems();
+
+
+  }
+
+  void SHGraphicsSystem::Exit(void)
+  {
+  }
+
+#pragma endregion INIT_EXIT
+
+#pragma region LIFECYCLE
+
+  /*---------------------------------------------------------------------------------*/
+  /* Lifecycle Functions                                                             */
+  /*---------------------------------------------------------------------------------*/
   /***************************************************************************/
   /*!
   
@@ -337,13 +361,6 @@ namespace SHADE
     }
   }
   
-  void SHGraphicsSystem::Exit(void)
-  {
-  }
-
-  /*---------------------------------------------------------------------------------*/
-  /* Lifecycle Functions                                                             */
-  /*---------------------------------------------------------------------------------*/
   /***************************************************************************/
   /*!
 
@@ -435,6 +452,10 @@ namespace SHADE
     renderContext.AdvanceFrame();
   }
 
+#pragma endregion LIFECYCLE
+
+#pragma region ADD_REMOVE_BUILD
+
   Handle<SHViewport> SHGraphicsSystem::AddViewport(const vk::Viewport& viewport)
   {
     // Create the viewport
@@ -545,47 +566,9 @@ namespace SHADE
       );
   }
 
-  void SHGraphicsSystem::PrepareResize(uint32_t newWidth, uint32_t newHeight) noexcept
+#pragma endregion ADD_REMOVE
-  {
-    resizeWidth = newWidth;
-    resizeHeight = newHeight;
-
-    renderContext.SetIsResized(true);
-  }
-
-  void SHGraphicsSystem::HandleResize(void) noexcept
-  {
-    if (window->IsMinimized() || renderContext.GetWindowIsDead())
-      return;
-
-    auto windowDims = window->GetWindowSize();
-
-    // Resize the swapchain
-    swapchain->Resize(surface, windowDims.first, windowDims.second);
-
-    renderContext.HandleResize();
-
-    worldRenderGraph->HandleResize(resizeWidth, resizeHeight);
-
-    mousePickSystem->HandleResize();
-    postOffscreenRender->HandleResize();
-
-    defaultViewport->SetWidth(static_cast<float>(resizeWidth));
-    defaultViewport->SetHeight(static_cast<float>(resizeHeight));
-
-    worldCamera->SetPerspective(90.0f, static_cast<float>(resizeWidth), static_cast<float>(resizeHeight), 0.0f, 100.0f);
-  }
-  
-  void SHGraphicsSystem::AwaitGraphicsExecution()
-  {
-    device->WaitIdle();
-  }
-
-  void SHGraphicsSystem::SetWindow(SHWindow* wind) noexcept
-  {
-    window = wind;
-  }
 
+#pragma region ROUTINES
   /*-----------------------------------------------------------------------------------*/
   /* System Routine Functions - BeginRoutine                                           */
   /*-----------------------------------------------------------------------------------*/
@@ -657,5 +640,51 @@ namespace SHADE
       renderable.ResetChangedFlag();
     }
   }
+#pragma endregion ROUTINES
 
+#pragma region MISC
+
+  void SHGraphicsSystem::PrepareResize(uint32_t newWidth, uint32_t newHeight) noexcept
+  {
+    resizeWidth = newWidth;
+    resizeHeight = newHeight;
+
+    renderContext.SetIsResized(true);
+  }
+
+  void SHGraphicsSystem::HandleResize(void) noexcept
+  {
+    if (window->IsMinimized() || renderContext.GetWindowIsDead())
+      return;
+
+    auto windowDims = window->GetWindowSize();
+
+    // Resize the swapchain
+    swapchain->Resize(surface, windowDims.first, windowDims.second);
+
+    renderContext.HandleResize();
+
+    sceneRenderGraph->HandleResize(resizeWidth, resizeHeight);
+
+    mousePickSystem->HandleResize();
+    postOffscreenRender->HandleResize();
+
+    defaultViewport->SetWidth(static_cast<float>(resizeWidth));
+    defaultViewport->SetHeight(static_cast<float>(resizeHeight));
+
+    worldCamera->SetPerspective(90.0f, static_cast<float>(resizeWidth), static_cast<float>(resizeHeight), 0.0f, 100.0f);
+  }
+  
+  void SHGraphicsSystem::AwaitGraphicsExecution()
+  {
+    device->WaitIdle();
+  }
+
+  void SHGraphicsSystem::SetWindow(SHWindow* wind) noexcept
+  {
+    window = wind;
+  }
+
+
+#pragma endregion MISC
 }

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.h

@@ -67,6 +67,12 @@ namespace SHADE
   /***********************************************************************************/
   class SH_API SHGraphicsSystem : public SHSystem
   {
+  private:
+    void InitBoilerplate     (void) noexcept;
+    void InitSceneRenderGraph(void) noexcept;
+    void InitMiddleEnd       (void) noexcept;
+    void InitSubsystems      (void) noexcept;
+
   public:
     class SH_API BeginRoutine final : public SHSystemRoutine
     {
@@ -279,6 +285,7 @@ namespace SHADE
 
 
   private:
+
     /*-----------------------------------------------------------------------------*/
     /* Data Members                                                                */
     /*-----------------------------------------------------------------------------*/
@@ -305,6 +312,12 @@ namespace SHADE
     SHSamplerCache                                            samplerCache;
     SHMaterialInstanceCache                                   materialInstanceCache;
     // Viewports 
+#ifdef SHEDITOR
+    Handle<SHViewport>                                        editorViewport;
+    Handle<SHRenderer>                                        editorRenderer;
+    Handle<SHRenderGraph>                                     editorRenderGraph;
+#endif
+
     Handle<SHViewport>                                        defaultViewport;    // Whole screen
     std::vector<Handle<SHViewport>>                           viewports;          // Additional viewports
 
@@ -326,7 +339,7 @@ namespace SHADE
     // Temp Materials
     Handle<SHMaterial>                                        defaultMaterial;
 
-    Handle<SHRenderGraph>                                     worldRenderGraph;
+    Handle<SHRenderGraph>                                     sceneRenderGraph;
 
     // Sub systems
     Handle<SHMousePickSystem>                                 mousePickSystem;