frontend separation

src/frontend/imgui/Window.hpp

@@ -0,0 +1,42 @@
+#pragma once
+#include <imgui.h>
+#include <imgui_impl_sdl.h>
+#include <imgui_impl_vulkan.h>
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_vulkan.h>
+#include <vulkan/vulkan.h>
+#include <BaseCore.hpp>
+#include <vector>
+
+struct Window {
+  Window();
+  ~Window();
+  void Update(std::unique_ptr<BaseCore>&);
+
+  [[nodiscard]] bool gotClosed(SDL_Event event) {
+    return event.type == SDL_WINDOWEVENT
+        && event.window.event == SDL_WINDOWEVENT_CLOSE
+        && event.window.windowID == SDL_GetWindowID(window);
+  }
+private:
+  void InitSDL();
+  void InitVulkan(const std::vector<const char*>&, u32);
+  void InitVulkanWindow();
+  void InitImgui();
+  void Render(ImDrawData*);
+  void Present();
+
+  SDL_Window* window{};
+
+  VkInstance instance{};
+  VkPhysicalDevice physicalDevice{};
+  VkDevice device{};
+  uint32_t queueFamily{uint32_t(-1)};
+  VkQueue queue{};
+  VkPipelineCache pipelineCache{};
+  VkDescriptorPool descriptorPool{};
+
+  ImGui_ImplVulkanH_Window windowData;
+  u32 minImageCount = 2;
+  bool rebuildSwapchain = false;
+};