very crude first triangle pre version

engine/engine.h

@@ -0,0 +1,70 @@
+#pragma once
+
+#include <stdint.h>
+
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_vulkan.h>
+
+#include <vulkan/vulkan.h>
+
+#include <vector>
+#include <set>
+#include <string>
+
+#include <iostream>
+#include <stdexcept>
+#include <vector>
+#include <cstring>
+#include <cstdlib>
+#include <cstdint>
+#include <limits>
+#include <optional>
+#include <set>
+
+#include "window.h"
+#include "surface.h"
+#include "physicaldevice.h"
+#include "logicaldevice.h"
+
+namespace Engine {
+
+const int MAX_FRAMES_IN_FLIGHT = 2;
+
+class Instance;
+
+class Engine {
+    friend class Instance;
+public:
+    Engine();
+    ~Engine();
+
+    void run();
+    bool enableValidationLayers() const;
+    void addLayer(const std::string& layerName);
+    void addInstanceExtension(const std::string& extensionName);
+    void addDeviceExtension(const std::string& extensionName);
+    void enableDebug();
+    std::vector<const char *> getRequiredVulkanExtensions() const;
+
+private:
+    bool initialized;
+    Window* window;
+    Instance* instance;
+    Surface* surface;
+    PhysicalDevice* physicalDevice;
+    LogicalDevice* logicalDevice;
+    std::set<std::string> layerNames;
+    std::set<std::string> instanceExtensionNames;
+    std::set<std::string> deviceExtensionNames;
+    std::vector<const char*> layers;
+    std::vector<const char*> instanceExtensions;
+    std::vector<const char*> deviceExtensions;
+
+    void initVulkan();
+    void mainLoop();
+    void cleanup();
+    void pickPhysicalDevice();
+};
+
+}
+