I blue myself

Signed-off-by: Slendi <slendi@socopon.com>

src/Application.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <vector>
+
 #include <SDL3/SDL_video.h>
 #include <VkBootstrap.h>
 #include <vulkan/vulkan_core.h>
@@ -8,6 +10,15 @@
 
 namespace Lunar {
 
+struct FrameData {
+	VkCommandPool command_pool;
+	VkCommandBuffer main_command_buffer;
+	VkSemaphore swapchain_semaphore;
+	VkFence render_fence;
+};
+
+constexpr unsigned FRAME_OVERLAP = 2;
+
 struct Application {
 	Application();
 	~Application();
@@ -15,8 +26,45 @@ struct Application {
 	auto run() -> void;
 
 private:
-	vkb::Instance m_vkb_instance;
-	VkSurfaceKHR m_vk_surface { nullptr };
+	auto vk_init() -> void;
+	auto swapchain_init() -> void;
+	auto commands_init() -> void;
+	auto sync_init() -> void;
+
+	auto render() -> void;
+
+	auto create_swapchain(uint32_t width, uint32_t height) -> void;
+	auto destroy_swapchain() -> void;
+
+	struct {
+		vkb::Instance instance;
+		vkb::PhysicalDevice phys_dev;
+		vkb::Device dev;
+		vkb::Swapchain swapchain;
+	} m_vkb;
+
+	struct {
+		VkSwapchainKHR swapchain { VK_NULL_HANDLE };
+		VkFormat swapchain_image_format;
+		VkSurfaceKHR surface { nullptr };
+
+		VkQueue graphics_queue { nullptr };
+		uint32_t graphics_queue_family { 0 };
+
+		std::vector<VkImage> swapchain_images;
+		std::vector<VkImageView> swapchain_image_views;
+		std::vector<VkSemaphore> present_semaphores;
+		VkExtent2D swapchain_extent;
+
+		std::array<FrameData, FRAME_OVERLAP> frames;
+		auto get_current_frame() -> FrameData &
+		{
+			return frames.at(frame_number % frames.size());
+		}
+
+		uint64_t frame_number { 0 };
+	} m_vk;
+
 	SDL_Window *m_window { nullptr };
 	Logger m_logger { "Lunar" };