initial commit-moved from vulkan_guide

src/core/vk_engine.h

@@ -0,0 +1,133 @@
+// vulkan_engine.h : Include file for standard system include files,
+// or project specific include files.
+
+#pragma once
+
+#include <core/vk_types.h>
+#include <vector>
+#include <string>
+#include <unordered_map>
+#include "vk_mem_alloc.h"
+#include <deque>
+#include <functional>
+#include "vk_descriptors.h"
+#include "scene/vk_loader.h"
+#include "compute/vk_compute.h"
+#include <scene/camera.h>
+
+#include "vk_device.h"
+#include "render/vk_renderpass.h"
+#include "render/vk_renderpass_background.h"
+#include "vk_resource.h"
+#include "vk_swapchain.h"
+#include "scene/vk_scene.h"
+#include "render/vk_materials.h"
+
+#include "frame_resources.h"
+#include "vk_descriptor_manager.h"
+#include "vk_sampler_manager.h"
+#include "core/engine_context.h"
+#include "core/vk_pipeline_manager.h"
+#include "core/asset_manager.h"
+#include "render/rg_graph.h"
+
+constexpr unsigned int FRAME_OVERLAP = 2;
+
+// Compute push constants and effects are declared in compute/vk_compute.h now.
+
+
+struct RenderPass
+{
+	std::string name;
+	std::function<void(VkCommandBuffer)> execute;
+};
+
+struct MeshNode : public Node
+{
+	std::shared_ptr<MeshAsset> mesh;
+
+	virtual void Draw(const glm::mat4 &topMatrix, DrawContext &ctx) override;
+};
+
+class VulkanEngine
+{
+public:
+	bool _isInitialized{false};
+	int _frameNumber{0};
+
+    std::shared_ptr<DeviceManager> _deviceManager;
+    std::unique_ptr<SwapchainManager> _swapchainManager;
+    std::shared_ptr<ResourceManager> _resourceManager;
+    std::unique_ptr<RenderPassManager> _renderPassManager;
+    std::unique_ptr<SceneManager> _sceneManager;
+    std::unique_ptr<PipelineManager> _pipelineManager;
+    std::unique_ptr<AssetManager> _assetManager;
+    std::unique_ptr<RenderGraph> _renderGraph;
+
+	struct SDL_Window *_window{nullptr};
+
+    FrameResources _frames[FRAME_OVERLAP];
+
+    FrameResources &get_current_frame() { return _frames[_frameNumber % FRAME_OVERLAP]; };
+
+	VkExtent2D _drawExtent;
+	float renderScale = 1.f;
+
+    std::unique_ptr<DescriptorManager> _descriptorManager;
+    std::unique_ptr<SamplerManager> _samplerManager;
+    ComputeManager compute;
+
+    std::shared_ptr<EngineContext> _context;
+
+	std::vector<VkFramebuffer> _framebuffers;
+
+    DeletionQueue _mainDeletionQueue;
+
+    VkPipelineLayout _meshPipelineLayout;
+    VkPipeline _meshPipeline;
+
+	GPUMeshBuffers rectangle;
+
+	std::shared_ptr<MeshAsset> cubeMesh;
+	std::shared_ptr<MeshAsset> sphereMesh;
+
+	AllocatedImage _whiteImage;
+	AllocatedImage _blackImage;
+	AllocatedImage _greyImage;
+	AllocatedImage _errorCheckerboardImage;
+
+    MaterialInstance defaultData;
+
+    GLTFMetallic_Roughness metalRoughMaterial;
+
+    EngineStats stats;
+
+    std::vector<RenderPass> renderPasses;
+
+    // Debug: persistent pass enable overrides (by pass name)
+    std::unordered_map<std::string, bool> _rgPassToggles;
+
+	//initializes everything in the engine
+	void init();
+
+	//shuts down the engine
+	void cleanup();
+
+	//draw loop
+	void draw();
+
+	//run main loop
+	void run();
+
+	bool resize_requested{false};
+	bool freeze_rendering{false};
+
+private:
+    void init_frame_resources();
+
+    void init_pipelines();
+
+    void init_mesh_pipeline();
+
+    void init_default_data();
+};