Mesh: Vertex buffer upload to GPU

Author: PR3C14D0

src/private/Core/GameObject/Component/Mesh.cpp

@@ -8,21 +8,40 @@ Mesh::Mesh(std::string name) : Component::Component(name) {
 	this->m_dev = nullptr;
 	this->m_list = nullptr;
 
-	this->m_renderer = nullptr;
+	this->m_renderer = this->m_core->GetRenderer();
 
 	this->m_bMeshLoaded = false;
 }
 
 void Mesh::Init() {
 	Component::Init();
 
-	this->m_renderer = this->m_core->GetRenderer();
 
 	if (D3D12* d3d12 = dynamic_cast<D3D12*>(this->m_renderer)) {
 		this->D3D12Init(d3d12);
 	}
 }
 
+void Mesh::UploadVertices() {
+	D3D12* d3d12 = dynamic_cast<D3D12*>(this->m_renderer);
+
+	if (!d3d12) {
+		spdlog::error("{0}: Failed uploading vertices. D3D12 Renderer not initialized.", this->m_name);
+		throw std::exception();
+		return;
+	}
+
+	spdlog::debug("{0}: Uploading vertices to GPU.", this->m_name);
+	for (std::pair<UINT, std::vector<Vertex>> object : this->m_vertices) {
+		ComPtr<ID3D12Resource> VBO;
+		d3d12->CreateBuffer(&object.second[0], object.second.size() * sizeof(Vertex), VBO);
+		VBO->SetName(L"StaticMesh VBO");
+		spdlog::debug("{0}: {1:d} vertices uploaded for mesh {2:d}", this->m_name, object.second.size(), object.first);
+	}
+
+	spdlog::debug("{0}: Vertex Buffer Object initialized", this->m_name);
+}
+
 void Mesh::Update() {
 	Component::Update();
 
@@ -33,7 +52,7 @@ void Mesh::D3D12Init(D3D12* renderer) {
 	renderer->GetDevice(this->m_dev);
 	renderer->GetCommandList(this->m_list);
 
-
+	this->UploadVertices();
 }
 
 /*
@@ -80,7 +99,8 @@ void Mesh::LoadModel(std::string filename) {
 			const aiTexture* texture = scene->GetEmbeddedTexture(texPath.C_Str());
 			ResourceManager* resMgr = ResourceManager::GetInstance();
 			ComPtr<ID3D12Resource> resource;
-			resMgr->LoadTexture((BYTE*)texture->pcData, texture->mWidth, texture->mFilename.C_Str(), resource.GetAddressOf());
+			resMgr->LoadTexture((BYTE*)texture->pcData, texture->mWidth, texture->mFilename.C_Str(), resource);
+			this->m_textures[i] = resource;
 		}
 	}
 }

src/private/Core/GameObject/GameObject.cpp

@@ -2,15 +2,16 @@
 
 GameObject::GameObject(std::string name) {
 	this->m_name = name;
+	
 }
 
 void GameObject::Init() {
 	this->m_mesh = new Mesh("StaticMeshComponent");
 	this->m_components.push_back(this->m_mesh);
+	this->m_mesh->LoadModel("f16.fbx");
 	for (Component* component : this->m_components) {
 		component->Init();
 	}
-	this->m_mesh->LoadModel("f16.fbx");
 }
 
 void GameObject::Update() {

src/private/Core/Renderer/ResourceManager.cpp

@@ -66,7 +66,7 @@ bool ResourceManager::AddResource(std::string resource, ComPtr<ID3D12Resource>&
 
 	spdlog::debug("Adding resource {0} to the resource manager.", resource);
 	this->m_resources[resource] = res;
-	spdlog::info("Resource wiht name {0} added to the resource manager.", resource);
+	spdlog::info("Resource with name {0} added to the resource manager.", resource);
 
 	return true;
 }

src/public/Core/GameObject/Component/Mesh.h

@@ -35,6 +35,12 @@ class Mesh : public Component {
 	bool m_bMeshLoaded;
 
 	std::map<UINT, std::vector<Vertex>> m_vertices;
+	std::map <UINT, ComPtr<ID3D12Resource>> m_textures;
+
+	std::map<UINT, ComPtr<ID3D12Resource>> m_VBOs;
+	std::map<UINT, ComPtr<ID3D12Resource>> m_IBOs;
+
+	void UploadVertices();
 public:
 	Mesh(std::string name);