render pass

engine/src/3rdparty/template/singleton.h

@@ -11,10 +11,10 @@ public:
     ~Singleton() {
         ms_Singleton = nullptr;
     }
-    static T& GetSingleton(void) {
+    static constexpr T& GetSingleton(void) {
         return *ms_Singleton;
     }
-    static T* GetSingletonPtr(void) {
+    static constexpr T* GetSingletonPtr(void) {
         return ms_Singleton;
     }
 };

engine/src/engine/app.cpp

@@ -9,25 +9,12 @@ namespace engineapi {
 	App::App(const string& path)
 	{
 		const char* name = "zengine";
+		new AssetManager();
 		_RenderAPI = RenderAPI::MakeInstance();
+		_RenderAPI->SetUpRenderPasses();
 		_Window = Window::MakeInstance(3, 640, 720, name);
 		auto scene_manager = new SceneManager();
 		scene_manager->LoadScene(path);
-		new AssetManager();
-		{
-			ActorProperty property;
-			property.id = 1;
-			property.flags = Asset::ASSET_SHARED_FLAG | Asset::ASSET_ASYNC_FLAG;
-			property.path = "assets/models/cube.obj";
-			auto actor = ActorMesh::New(property);
-		}
-		{
-			ActorProperty property;
-			property.id = 1;
-			property.flags = Asset::ASSET_SHARED_FLAG | Asset::ASSET_ASYNC_FLAG;
-			property.path = "assets/models/box.ply";
-			auto actor = ActorMesh::New(property);
-		}
 	}
 	App::~App()
 	{

engine/src/engine/asset/asset_manager.cpp

@@ -1,4 +1,6 @@
-#include "asset/asset_manager.h"
+#include "asset_manager.h"
+#include "zlog.h"
+using namespace std;
 namespace engineapi {
 	void AssetManager::ClearAsset(Asset* asset)
 	{
@@ -14,4 +16,25 @@ namespace engineapi {
 			}
 		}
 	}
+	string AssetManager::LoadTextFile(const string& path)
+	{
+		string text = "";
+		ifstream file;
+		file.exceptions(ifstream::failbit | ifstream::badbit);
+
+		try
+		{
+			file.open(path);
+			stringstream stream;
+			stream << file.rdbuf();
+			file.close();
+			text = stream.str();
+		}
+		catch (ifstream::failure e)
+		{
+			zlog::info("Failed to load text file: {}", path);
+		}
+
+		return text;
+	}
 }

engine/src/engine/asset/asset_manager.h

@@ -47,6 +47,8 @@ namespace engineapi
         }
 
         AssetManager() = default;
+    public:
+        static string LoadTextFile(const string& path);
     };
 }
 template<>

engine/src/engine/object/mesh/static.h

@@ -11,5 +11,8 @@ namespace engineapi {
 		StaticMesh(Model& model);
 
 		void LoadMesh();
+		Model& Ptr() {
+			return mPtr;
+		}
 	};
 }

engine/src/engine/object/scene/scene.cpp

@@ -1,10 +1,26 @@
 #include "scene.h"
 #include "object/camera/camera.h"
 #include "render/renderapi.h"
+#include "object/mesh/actor.h"
+#include "data/property/actor_property.h"
 namespace engineapi {
 	Scene::Scene()
 	{
 		mCamera = new Camera();
+		{
+			ActorProperty property;
+			property.id = 1;
+			property.flags = Asset::ASSET_SHARED_FLAG | Asset::ASSET_ASYNC_FLAG;
+			property.path = "assets/models/cube.obj";
+			actor1 = ActorMesh::New(property);
+		}
+		{
+			ActorProperty property;
+			property.id = 1;
+			property.flags = Asset::ASSET_SHARED_FLAG | Asset::ASSET_ASYNC_FLAG;
+			property.path = "assets/models/box.ply";
+			actor2 = ActorMesh::New(property);
+		}
 	}
 	Scene::~Scene()
 	{
@@ -15,6 +31,11 @@ namespace engineapi {
 	void Scene::Render()
 	{
 		RenderAPI::GetSingletonPtr()->Render(*mCamera);
+		auto meshs = actor1->Ptr().GetMeshs();
+		for (auto it : meshs) {
+			RenderAPI::GetSingletonPtr()->DrawStaticMesh(it);
+		}
+		//RenderAPI::GetSingletonPtr()->DrawStaticMesh(actor2);
 	}
 	void Scene::AddGameObject(GameObject* gameObject)
 	{

engine/src/engine/object/scene/scene.h

@@ -2,9 +2,12 @@
 #include "../game_object.h"
 namespace engineapi {
 	class Camera;
+	class ActorMesh;
 	class Scene{
 	protected:
 		Camera* mCamera;
+		ActorMesh* actor1;
+		ActorMesh* actor2;
 	public:
 		Scene();
 		~Scene();

engine/src/engine/render/asset/material.cpp

@@ -1,4 +1,5 @@
 #include "material.h"
+#include "../renderapi.h"
 namespace engineapi {
 	Material::Material(string name, uint32_t flags)
 		:Asset(name, flags)
@@ -10,6 +11,6 @@ namespace engineapi {
 	}
 	void Material::Use()
 	{
-
+		RenderAPI::GetSingletonPtr()->UseMaterial(mId);
 	}
 }

engine/src/engine/render/asset/material.h

@@ -4,6 +4,7 @@
 namespace engineapi {
 	class Material : public Asset {
 	protected:
+		uint32_t mId;
 
 	public:
 		Material(string name, uint32_t flags);

engine/src/engine/render/asset/mesh.h

@@ -9,7 +9,6 @@ namespace engineapi {
 		uint32_t VAO = 0;
 		vector<Vertex> mVertices;
 		vector<uint32_t> mIndices;
-
 	public:
 		Mesh(string name, uint32_t flags, vector<Vertex>& vertices, vector<uint32_t>& indices);
 		void BeginLoad()override;

engine/src/engine/render/asset/model.cpp

@@ -96,8 +96,22 @@ namespace engineapi {
 
             vertices.push_back(vertex);
         }
+        // now wak through each of the mesh's faces (a face is a mesh its triangle) and retrieve the corresponding vertex indices.
+        for (unsigned int i = 0; i < mesh->mNumFaces; i++)
+        {
+            const aiFace& face = mesh->mFaces[i];
+            // retrieve all indices of the face and store them in the indices vector
+            for (unsigned int j = 0; j < face.mNumIndices; j++)
+            {
+                indices.push_back(face.mIndices[j]);
+            }
+        }
         Mesh* model = new Mesh(mesh->mName.C_Str(), mFlags, vertices, indices);
         return model;
     }
+    void Model::Use()
+    {
+
+    }
 }
 

engine/src/engine/render/asset/model.h

@@ -13,5 +13,9 @@ namespace engineapi {
 		void BeginLoad()override;
 		void ProcessNode(const aiNode* pNode, const aiScene* pScene);
 		Mesh* ProcessMesh(const aiMesh* mesh);
+		vector<Mesh*>& GetMeshs() {
+			return mMeshes;
+		}
+		void Use();
 	};
 };

engine/src/engine/render/asset/shader.cpp

@@ -1,4 +1,5 @@
 #include "shader.h"
+#include "../renderapi.h"
 namespace engineapi {
 	Shader::Shader(string name, uint32_t flags)
 		:Asset(name, flags)
@@ -12,4 +13,8 @@ namespace engineapi {
 	{
 
 	}
+	void Shader::Use()
+	{
+		RenderAPI::GetSingletonPtr()->UseShader(mId);
+	}
 }

engine/src/engine/render/asset/shader.h

@@ -4,10 +4,11 @@
 namespace engineapi {
 	class Shader : public Asset {
 	protected:
-
+		uint32_t mId;
 	public:
 		Shader(string name, uint32_t flags);
 		~Shader();
 		void BeginLoad()override;
+		void Use();
 	};
 };

engine/src/engine/render/pass/renderpass.h

@@ -15,11 +15,17 @@ namespace engineapi {
 	class Camera;
 	class RenderPass
 	{
+	protected:
+		RenderPassType mType;
 	public:
-		RenderPass() {};
+		RenderPass(RenderPassType type) : mType(type){};
 		~RenderPass() {};
 
 		virtual void Render(Camera& camera) = 0;
+	public:
+		RenderPassType GetType() {
+			return mType;
+		}
 	};
 	class RenderStateSetting
 	{

engine/src/engine/render/pass/renderpass_forward.cpp

@@ -2,10 +2,13 @@
 #include "../renderapi.h"
 #include "../window.h"
 #include "object/camera/camera.h"
+#include "../asset/model.h"
+#include "asset/asset_manager.h"
 namespace engineapi {
 	RenderPassForwardRendering::RenderPassForwardRendering()
 	{
-		skyBox = nullptr;
+		mID = 0;
+		mSky = AssetManager::GetSingletonPtr()->LoadAsset<Model>("assets/models/SkyBoxMesh.ply", Asset::ASSET_SHARED_FLAG | Asset::ASSET_ASYNC_FLAG);
 		//skyBoxMaterial = new Material(new Shader(Resources::GetAssetFullPath("Shaders/SkyBox.zxshader", true), FrameBufferType::Normal));
 
 
@@ -41,6 +44,7 @@ namespace engineapi {
 		Matrix4 mat_V = Matrix4(Matrix3(camera.GetViewMatrix()));
 		Matrix4 mat_P = camera.GetProjectionMatrix();
 
+		mSky->Use();
 		//skyBoxMaterial->Use();
 		//skyBoxMaterial->SetMatrix("ENGINE_View", mat_V);
 		//skyBoxMaterial->SetMatrix("ENGINE_Projection", mat_P);

engine/src/engine/render/pass/renderpass_forward.h

@@ -3,6 +3,7 @@
 #include "object/render/mesh_render.h"
 namespace engineapi {
 	class Camera;
+	class Model;
 	class RenderPassForwardRendering : public RenderPass
 	{
 	public:
@@ -12,9 +13,8 @@ namespace engineapi {
 		virtual void Render(Camera& camera);
 
 	private:
-		uint32_t drawCommandID = 0;
-		Mesh* skyBox;
-		Material* skyBoxMaterial;
+		uint32_t mID;
+		Model* mSky;
 		RenderStateSetting* skyBoxRenderState;
 		RenderStateSetting* opaqueRenderState;
 		RenderStateSetting* transparentRenderState;

engine/src/engine/render/render_context.h

@@ -0,0 +1,12 @@
+
+#pragma once
+#include "asset/asset_render.h"
+namespace engineapi
+{
+	struct RenderContext {
+		uint32_t MaterialId;
+		uint32_t PassId;
+		uint32_t ShaderId;
+		virtual void UseContext(){};
+	};
+}

engine/src/engine/render/renderapi.cpp

@@ -6,6 +6,10 @@
 #endif // VULKAN_API
 namespace engineapi {
 	RenderAPI::RenderAPI()
+	{
+
+	}
+	void RenderAPI::SetUpRenderPasses()
 	{
 		mAllPasses.resize(ZX_RENDER_PASS_COUNT);
 
@@ -15,10 +19,6 @@ namespace engineapi {
 		//mAllPasses[ZX_RENDER_PASS_AFTER_EFFECT_RENDERING] = new RenderPassAfterEffectRendering();
 		//mAllPasses[ZX_RENDER_PASS_UI_RENDERING] = new RenderPassUIRendering();
 
-		SetUpRenderPasses();
-	}
-	void RenderAPI::SetUpRenderPasses()
-	{
 		mCurPasses.clear();
 		//mCurPasses.push_back(mAllPasses[ZX_RENDER_PASS_SHADOW_GENERATION]);
 		mCurPasses.push_back(mAllPasses[ZX_RENDER_PASS_FORWARD_RENDERING]);

engine/src/engine/render/renderapi.h

@@ -1,5 +1,5 @@
 #pragma once
-#include "asset/asset_render.h"
+#include "render_context.h"
 #include "singleton.h"
 namespace engineapi
 {
@@ -11,19 +11,34 @@ namespace engineapi
 	protected:
 		ViewPortInfo mViewPortInfo;
 
+		RenderContext* mContext;
 		vector<RenderPass*> mCurPasses;
 		vector<RenderPass*> mAllPasses;
 	public:
 		RenderAPI();
 		virtual ~RenderAPI() {};
+	public:
 		virtual void SetUpRenderPasses();
+		virtual void InitRenderPass() = 0;
 	public:
 		virtual void SetViewPort(uint32_t width, uint32_t height, uint32_t xOffset = 0, uint32_t yOffset = 0) = 0;
-
 		virtual void BeginFrame() = 0;
 		virtual void Render(Camera& camera);
 		virtual void EndFrame() = 0;
 		virtual void SetStaticMesh(Mesh* mesh) = 0;
+		virtual void DrawStaticMesh(Mesh* mesh) = 0;
+
+		virtual void SwitchContext() = 0;
+
+		virtual void UseMaterial(uint32_t ID) {
+			mContext->MaterialId = ID;
+		};
+		virtual void UseShader(uint32_t ID) {
+			mContext->PassId = ID;
+		};
+		virtual void UsePass(uint32_t ID) {
+			mContext->ShaderId = ID;
+		};
 	public:
 		static RenderAPI* MakeInstance();
 	};

engine/src/engine/vulkanapi/backend.cpp

@@ -5,6 +5,7 @@
 #include "zlog.h"
 namespace vulkanapi {
 	CommandWorker* Backend::TransferWorker = nullptr;
+	CommandWorker* Backend::RenderWorker = nullptr;
 	Backend::Backend(const string appName)
 	{
 		auto instanceCreator = InstanceCreator();
@@ -24,6 +25,7 @@ namespace vulkanapi {
 		InitWorker(Queue::PresentQueue, VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT);
 
 		Backend::TransferWorker = GetWorker(Queue::TransferQueue);
+		Backend::RenderWorker = GetWorker(Queue::RenderQueue);
 	}
 	Backend::~Backend()
 	{

engine/src/engine/vulkanapi/backend.h

@@ -26,5 +26,6 @@ namespace vulkanapi {
 
 	public:
 		static CommandWorker* TransferWorker;
+		static CommandWorker* RenderWorker;
 	};
 };

engine/src/engine/vulkanapi/pass/forwardpass.cpp

@@ -2,7 +2,11 @@
 #include "../wrapper/renderpass.h"
 #include "../wrapper/image.h"
 namespace vulkanapi {
-	ForwardPass::ForwardPass(Device& device, GeometryBuffer& gBuffer)
+	void ForwardPass::Record()
+	{
+
+	}
+	ForwardPass* ForwardPass::MakePass(Device& device, GeometryBuffer& gBuffer)
 	{
 		VkAttachmentDescription positionAttachment{};
 		positionAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
@@ -33,13 +37,9 @@ namespace vulkanapi {
 		subpass.colorAttachmentCount = 1;
 		subpass.pColorAttachments = &colorAttachmentRef;
 
-		vector<VkAttachmentDescription> attachments = {positionAttachment , normalAttachment};
+		vector<VkAttachmentDescription> attachments = { positionAttachment , normalAttachment };
 		vector<VkSubpassDescription> subpasses = { subpass };
 		vector<VkSubpassDependency> dependencies;
-		mPass = new RenderPass(device,"forward",attachments, subpasses, dependencies);
-	}
-	void ForwardPass::Record()
-	{
-
+		return new ForwardPass(device, "forward", attachments, subpasses, dependencies);
 	}
 }

engine/src/engine/vulkanapi/pass/forwardpass.h

@@ -1,15 +1,14 @@
 #pragma once
+#include "../wrapper/renderpass.h"
 #include "gbuffer.h"
 namespace vulkanapi {
-	class RenderPass;
 	//class MaterialCache;
-	class ForwardPass {
-	protected:
-		RenderPass* mPass;
+	class ForwardPass : public RenderPass {
 		//MaterialCache mMaterials;
 	public:
-		ForwardPass(Device& device, GeometryBuffer& gBuffer);
-
+		using RenderPass::RenderPass;
 		void Record();
+	public:
+		static ForwardPass* MakePass(Device& device, GeometryBuffer& gBuffer);
 	};
 }

engine/src/engine/vulkanapi/pass/target.h

@@ -0,0 +1,10 @@
+#pragma once
+#include "../vulkan.h"
+namespace vulkanapi {
+	class Image;
+	class Device;
+	class RenderTarget {
+	public:
+
+	};
+}

engine/src/engine/vulkanapi/thread/worker.cpp

@@ -41,4 +41,15 @@ namespace vulkanapi {
 	{
 		mWork.SyncInvoke([]() {});
 	}
+	void CommandWorker::Draw(commandFn fn)
+	{
+		CommandBuffer cmd = mCommandPool.Pop();
+		cmd.Reset();
+		cmd.BeginRecord(VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT);
+		fn(cmd);
+		cmd.EndRecord();
+		cmd.Submit(mQueue.Ptr());
+		cmd.WaitFofFence(mDevice.Ptr());
+		mCommandPool.Push(cmd);
+	}
 }

engine/src/engine/vulkanapi/thread/worker.h

@@ -24,5 +24,6 @@ namespace vulkanapi {
 		void ImmediatelyExecute(commandFn fn, voidFn callback) {
 			Buffer(mImmediateExeCmd, fn , callback);
 		}
+		void Draw(commandFn fn);
 	};
 };

engine/src/engine/vulkanapi/vulkan_context.cpp

@@ -0,0 +1,9 @@
+#include "vulkan_context.h"
+#include "vulkanapi.h"
+namespace engineapi {
+	void VulkanContext::UseContext()
+	{
+		Pass = API->VkPasses[PassId];
+
+	}
+}

engine/src/engine/vulkanapi/vulkan_context.h

@@ -0,0 +1,11 @@
+#pragma once
+#include "render/render_context.h"
+#include "vulkanapi.h"
+namespace engineapi {
+	struct VulkanContext : public RenderContext {
+		RenderVulkanAPI* API;
+		vulkanapi::RenderPass* Pass;
+
+		virtual void UseContext()override;
+	};
+}

engine/src/engine/vulkanapi/vulkanapi.cpp

@@ -5,16 +5,34 @@
 #include "thread/worker.h"
 #include "render/asset/mesh.h"
 #include "object/camera/camera.h"
+#include "render/pass/renderpass.h"
+#include "pass/forwardpass.h"
 namespace engineapi {
 	RenderVulkanAPI::RenderVulkanAPI()
 		:backend("vulkan")
 	{
+		mContext = &context;
 		Buffer::MakeVmaAllocator(backend);
 	}
 	RenderVulkanAPI::~RenderVulkanAPI()
 	{
 		zlog::info("~RenderVulkanAPI");
 	}
+	void RenderVulkanAPI::SwitchContext()
+	{
+
+	}
+	void RenderVulkanAPI::InitRenderPass()
+	{
+		VkPasses.resize(RenderPassType::ZX_RENDER_PASS_COUNT);
+		auto gbuffer = GeometryBuffer(backend.GetDevice(), 3, 640, 720);
+		for (auto pass : mAllPasses) {
+			auto type = pass->GetType();
+			if (type == RenderPassType::ZX_RENDER_PASS_FORWARD_RENDERING) {
+				VkPasses[type] = ForwardPass::MakePass(backend.GetDevice(), gbuffer);
+			}
+		}
+	}
 	void RenderVulkanAPI::SetViewPort(uint32_t width, uint32_t height, uint32_t xOffset, uint32_t yOffset)
 	{
 		mViewPortInfo.width = width;
@@ -38,25 +56,38 @@ namespace engineapi {
 		
 		// ----------------------------------------------- Vertex Buffer -----------------------------------------------
 		VkDeviceSize vertexBufferSize = sizeof(Vertex) * mesh->mVertices.size();
-		VmaAllocationCreateInfo vertexStagingAllocInfo = {};
-		VkBufferCreateInfo vertexStagingBufferInfo = Buffer::MakeStageInfo(vertexStagingAllocInfo, vertexBufferSize);
-
-		VmaAllocation vertexStagingBufferAlloc;
-		VkBuffer vertexStagingBuffer = Buffer::CreateBuffer(vertexStagingBufferInfo, vertexStagingAllocInfo, vertexStagingBufferAlloc);
+		VmaAllocationCreateInfo vertexVmaStagingInfo = {};
+		VmaAllocation vertexVmaStagingAlloc;
+		VkBuffer vertexStagingBuffer = Buffer::CreateStageBuffer(vertexVmaStagingInfo, vertexVmaStagingAlloc, vertexBufferSize);
 
 		// 拷贝数据到StagingBuffer
-		Buffer::CopyData(vertexStagingBufferAlloc, mesh->mVertices.data(), vertexBufferSize);
+		Buffer::CopyData(vertexVmaStagingAlloc, mesh->mVertices.data(), vertexBufferSize);
+
+		VkBufferUsageFlags vertexFlags = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;//加入光线追踪
+		VmaAllocationCreateInfo vertexVmaCreateInfo = {};
+		VkBufferCreateInfo vertexCreateInfo = Buffer::MakeDeviceInfo(vertexVmaCreateInfo, vertexBufferSize, vertexFlags);
+		meshBuffer->vertexBuffer = Buffer::CreateBuffer(vertexCreateInfo, vertexVmaCreateInfo, meshBuffer->vertexBufferAlloc);
+		
+		// ----------------------------------------------- Index Buffer -----------------------------------------------
+		VkDeviceSize indexBufferSize = sizeof(uint32_t) * mesh->mIndices.size();
+		VmaAllocationCreateInfo indexVmaStagingInfo = {};
+		VmaAllocation indexVmaStagingAlloc;
+		VkBuffer indexStagingBuffer = Buffer::CreateStageBuffer(indexVmaStagingInfo, indexVmaStagingAlloc, vertexBufferSize);
+		// 拷贝数据到StagingBuffer
+		Buffer::CopyData(indexVmaStagingAlloc, mesh->mIndices.data(), indexBufferSize);
+
+		VmaAllocationCreateInfo indexVmaCreateInfo = {};
+		VkBufferCreateInfo indexCreateInfo = Buffer::MakeDeviceInfo(indexVmaCreateInfo, indexBufferSize, VK_BUFFER_USAGE_INDEX_BUFFER_BIT);
+		meshBuffer->indexBuffer = Buffer::CreateBuffer(indexCreateInfo, indexVmaCreateInfo, meshBuffer->vertexBufferAlloc);
 
-		VkBufferUsageFlags flags = 0;//加入光线追踪
-		VmaAllocationCreateInfo vertexBufferAllocInfo = {};
-		VkBufferCreateInfo vertexBufferInfo = Buffer::MakeDeviceInfo(vertexBufferAllocInfo, vertexBufferSize, flags);
-		meshBuffer->vertexBuffer = Buffer::CreateBuffer(vertexBufferInfo, vertexBufferAllocInfo, meshBuffer->vertexBufferAlloc);
 		auto fn = [=](CommandBuffer& cmd) {
 			cmd.CmdCopyBuffer(vertexStagingBuffer, meshBuffer->vertexBuffer, vertexBufferSize);
+			cmd.CmdCopyBuffer(indexStagingBuffer, meshBuffer->indexBuffer, indexBufferSize);
 		};
 		auto callback = [=]() {
 			// 销毁StagingBuffer
-			Buffer::DestroyBuffer(vertexStagingBuffer, vertexStagingBufferAlloc);
+			Buffer::DestroyBuffer(vertexStagingBuffer, vertexVmaStagingAlloc);
+			Buffer::DestroyBuffer(indexStagingBuffer, indexVmaStagingAlloc);
 			mesh->EndLoad();
 		};
 		if (mesh->IsAsync()) {
@@ -66,6 +97,24 @@ namespace engineapi {
 			Backend::TransferWorker->ImmediatelyExecute(fn, callback);
 		}
 	}
+	void RenderVulkanAPI::DrawStaticMesh(Mesh* mesh)
+	{
+
+	}
+	void RenderVulkanAPI::DrawStaticMesh(Mesh* mesh)
+	{
+		auto vulkanVAO = VAOList[mesh->VAO];
+		Backend::RenderWorker->Draw([=](CommandBuffer& cmd) {
+			VkCommandBuffer ptr = cmd.Ptr();
+			context.Pass->BeginPass(cmd);
+			VkBuffer vertexBuffers[] = { vulkanVAO->vertexBuffer };
+			VkDeviceSize offsets[] = { 0 };
+			vkCmdBindVertexBuffers(ptr, 0, 1, vertexBuffers, offsets);
+			vkCmdBindIndexBuffer(ptr, vulkanVAO->indexBuffer, 0, VK_INDEX_TYPE_UINT32);
+			vkCmdDrawIndexed(ptr, vulkanVAO->indexCount, 1, 0, 0, 0);
+			context.Pass->EndPass(cmd);
+		});
+	}
 	VulkanVAO* RenderVulkanAPI::GetNextVAO(uint32_t& VAO_index)
 	{
 		uint32_t length = (uint32_t)VAOList.size();
@@ -81,5 +130,6 @@ namespace engineapi {
 		VAOList.push_back(vao);
 		return vao;
 	}
+
 }
 

engine/src/engine/vulkanapi/vulkanapi.h

@@ -1,6 +1,8 @@
 #pragma once
 #include "backend.h"
+#include "wrapper/renderpass.h"
 #include "render/renderapi.h"
+#include "vulkan_context.h"
 #include "vulkan_struct.h"
 using namespace vulkanapi;
 namespace engineapi
@@ -9,15 +11,23 @@ namespace engineapi
 	{
 	public:
 		Backend backend;
+		VulkanContext context;
 		vector<VulkanVAO*> VAOList;
+		vector<vulkanapi::RenderPass*> VkPasses;
 	public:
 		RenderVulkanAPI();
 		virtual ~RenderVulkanAPI()override;
+	public:
+		virtual void SwitchContext()override;
+	public:
+		virtual void InitRenderPass()override;
+	public:
 		virtual void SetViewPort(uint32_t width, uint32_t height, uint32_t xOffset = 0, uint32_t yOffset = 0)override;
 
 		virtual void BeginFrame()override;
 		virtual void EndFrame()override;
 		virtual void SetStaticMesh(Mesh* mesh)override;
+		virtual void DrawStaticMesh(Mesh* mesh)override;
 	public:
 		VulkanVAO* GetNextVAO(uint32_t& VAO_index);
 	public:

engine/src/engine/vulkanapi/wrapper/buffer.cpp

@@ -51,6 +51,11 @@ namespace vulkanapi {
         vmaCreateBuffer(vmaAllocator, &bufferCreateInfo, &allocationCreateInfo, &buffer, &allocation, nullptr);
         return buffer;
     }
+    VkBuffer Buffer::CreateStageBuffer(VmaAllocationCreateInfo& allocationCreateInfo, VmaAllocation& allocation, VkDeviceSize bufferSize)
+    {
+        VkBufferCreateInfo bufferCreateInfo = MakeStageInfo(allocationCreateInfo, bufferSize);
+        return CreateBuffer(bufferCreateInfo, allocationCreateInfo, allocation);
+    }
     void Buffer::CopyData(VmaAllocation& allocation, void* data, VkDeviceSize size)
     {
         // 拷贝数据到StagingBuffer

engine/src/engine/vulkanapi/wrapper/buffer.h

@@ -13,6 +13,7 @@ namespace vulkanapi {
 		static VkBuffer CreateBuffer(VkBufferCreateInfo& bufferCreateInfo,
 			VmaAllocationCreateInfo& allocationCreateInfo,
 			VmaAllocation& allocation);
+		static VkBuffer CreateStageBuffer(VmaAllocationCreateInfo& allocationCreateInfo, VmaAllocation& allocation, VkDeviceSize vertexBufferSize);
 		static void CopyData(VmaAllocation& allocation,void* data, VkDeviceSize size);
 		static void DestroyBuffer(VkBuffer buffer, VmaAllocation bufferAlloc);
 	};

engine/src/engine/vulkanapi/wrapper/commandbuffer.cpp

@@ -11,7 +11,7 @@ namespace vulkanapi {
 	}
 	CommandBuffer::~CommandBuffer()
 	{
-		zlog::info("CommandBuffer Destruct {:#x} isNull = {}", (uint64_t)this, mPtr == nullptr || mFence == nullptr);
+		//zlog::info("CommandBuffer Destruct {:#x} isNull = {}", (uint64_t)this, mPtr == nullptr || mFence == nullptr);
 		if (mPtr) {
 			mPool.FreeBuffer(mPtr);
 		}
@@ -26,7 +26,7 @@ namespace vulkanapi {
 	{
 		other.mPtr = nullptr;
 		other.mFence = nullptr;
-		zlog::info("CommandBuffer MoveConstruct {:#x} => {:#x}", (uint64_t)&other, (uint64_t)this);
+		//zlog::info("CommandBuffer MoveConstruct {:#x} => {:#x}", (uint64_t)&other, (uint64_t)this);
 	}
 	void CommandBuffer::Reset()
 	{
@@ -66,5 +66,14 @@ namespace vulkanapi {
 	{
 		vkWaitForFences(device, 1, &mFence, VK_TRUE, UINT64_MAX);
 	}
+	void CommandBuffer::BindVertexBuffer(VkBuffer buffer, uint32_t offset)
+	{
+		VkDeviceSize offsets[] = { offset };
+		vkCmdBindVertexBuffers(mPtr, 0, 1, &buffer, offsets);
+	}
+	void CommandBuffer::BindIndexBuffers(VkBuffer buffer, uint32_t offset, VkIndexType type)
+	{
+		vkCmdBindIndexBuffer(mPtr, buffer, offset, type);
+	}
 }
 

engine/src/engine/vulkanapi/wrapper/commandbuffer.h

@@ -25,5 +25,8 @@ namespace vulkanapi {
 		void CmdCopyBuffer(VkBuffer srcBuffer, VkBuffer dstBuffer, VkDeviceSize size);
 		void Submit(VkQueue& queue);
 		void WaitFofFence(VkDevice& device);
+
+		void BindVertexBuffer(VkBuffer buffer, uint32_t offset);
+		void BindIndexBuffers(VkBuffer buffer, uint32_t offset, VkIndexType type);
 	};
 }

engine/src/engine/vulkanapi/wrapper/renderpass.cpp

@@ -1,5 +1,6 @@
 #include "renderpass.h"
 #include "device.h"
+#include "commandbuffer.h"
 namespace vulkanapi {
 	RenderPass::RenderPass(Device& device, const char* name,
 		vector<VkAttachmentDescription>& attachments,
@@ -19,5 +20,23 @@ namespace vulkanapi {
 			dependencies.data()
 		};
 		vkCreateRenderPass(device.Ptr(), &create_info, nullptr, &mPtr);
+
+		mPassBeginInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
+		mPassBeginInfo.renderPass = mPtr;
+	}
+	void RenderPass::BeginPass(CommandBuffer& cmd)
+	{
+		vkCmdBeginRenderPass(cmd.Ptr(), &mPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
+	}
+	void RenderPass::EndPass(CommandBuffer& cmd)
+	{
+		vkCmdEndRenderPass(cmd.Ptr());
+	}
+	void RenderPass::SetViewPort(uint32_t width, uint32_t height, int32_t xoffset, int32_t yoffset)
+	{
+		// 这个render area定义了shader将要加载和存储的位置
+		mPassBeginInfo.renderArea.offset = { xoffset, yoffset };
+		// 一般来说大小(extend)是和framebuffer的attachment一致的，如果小了会浪费，大了超出去的部分是一些未定义数值
+		mPassBeginInfo.renderArea.extent = { width, height };
 	}
 }

engine/src/engine/vulkanapi/wrapper/renderpass.h

@@ -4,14 +4,23 @@
 
 namespace vulkanapi {
 	class Device;
+	class CommandBuffer;
 	class RenderPass {
 	protected:
 		VkRenderPass mPtr;
+		VkRenderPassBeginInfo mPassBeginInfo{};
+
 	public:
 		RenderPass(Device& device, const char* name,
 			vector<VkAttachmentDescription>& attachments,
 			vector<VkSubpassDescription>& subpasses,
 			vector<VkSubpassDependency>& dependencies);
-			//colorAttachments, depthAttachment, subpasses, dependencies);
+
+	public:
+		void BeginPass(CommandBuffer& cmd);
+		void EndPass(CommandBuffer& cmd);
+	
+	public:
+		void SetViewPort(uint32_t width, uint32_t height, int32_t xoffset, int32_t yoffset);
 	};
 };