//
// Created by rick on 08-05-20.
//

#ifndef VULKANTEST_HELLOTRIANGLEAPPLICATION_H
#define VULKANTEST_HELLOTRIANGLEAPPLICATION_H

#include "MyVkInstance.h"

#include <vector>

#define GLFW_INCLUDE_VULKAN
#include <GLFW/glfw3.h>

const int MAX_FRAMES_IN_FLIGHT = 2;

class HelloTriangleApplication {
public:
    void run();

    bool frameBufferResized = false;
private:
    MyVkInstance *myVkInstance;
    VkSwapchainKHR swapChain;
    std::vector<VkImage> swapChainImages;
    std::vector<VkImageView> swapChainImageViews;
    VkFormat swapChainImageFormat;
    VkExtent2D swapChainExtent;
    VkRenderPass renderPass;
    VkPipelineLayout pipelineLayout;
    VkPipeline graphicsPipeline;
    std::vector<VkFramebuffer> swapChainFrameBuffers;
    VkCommandPool commandPool;
    std::vector<VkCommandBuffer> commandBuffers;

    std::vector<VkSemaphore> imageAvailableSemaphores;
    std::vector<VkSemaphore> renderFinishedSemaphores;
    std::vector<VkFence> inFlightFences;
    std::vector<VkFence> imagesInFlight;

    int currentFrame = 0;

    // Vulkan initialisation
    void createSwapChain();
    void createImageViews();
    void createRenderPass();
    void createGraphicsPipeline();
    void createFrameBuffers();
    void createCommandPool();
    void createCommandBuffers();
    void createSyncObjects();
    void initVulkan();

    void recreateSwapChain();
    void cleanupSwapChain();

    // main loop
    void mainLoop();
    void drawFrame();

    // clean up
    void cleanup();

    // utility functions
    VkShaderModule createShaderModule(const std::vector<char> &code);

    static void frameBufferResizeCallback(void *thisptr, int width, int height);
};


#endif //VULKANTEST_HELLOTRIANGLEAPPLICATION_H