refactoring everything into multiple classes

src/vulkan/application.cpp

@@ -1,4 +1,10 @@
 #include "application.hpp"
+#include "vertex.hpp"
+#include "swapchain.hpp"
+#include "pipeline.hpp"
+#include "instance.hpp"
+#include "buffer.hpp"
+#include "command_pool.hpp"
 
 Application::Application() {
 	instance = new Instance;
@@ -89,19 +95,6 @@ void Application::createSyncObjects() {
 	}
 }
 
-Application::~Application() {
-	delete swapchain;
-	for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++){
-		vkDestroySemaphore(instance->device, imageAvailableSemaphores[i], nullptr);
-		vkDestroySemaphore(instance->device, renderFinishedSemaphores[i], nullptr);
-		vkDestroyFence(instance->device, inFlightFences[i], nullptr);
-	}
-	delete commandPool;
-	delete buffer;
-	delete pipeline;
-	delete instance;
-}
-
 void Application::recordCommandBuffer(VkCommandBuffer commandBuffer, uint32_t imageIndex) {
 	VkCommandBufferBeginInfo beginInfo {};
 	beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
@@ -146,6 +139,19 @@ void Application::recordCommandBuffer(VkCommandBuffer commandBuffer, uint32_t im
 	vkEndCommandBuffer(commandBuffer);
 }
 
+Application::~Application() {
+	delete swapchain;
+	for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++){
+		vkDestroySemaphore(instance->device, imageAvailableSemaphores[i], nullptr);
+		vkDestroySemaphore(instance->device, renderFinishedSemaphores[i], nullptr);
+		vkDestroyFence(instance->device, inFlightFences[i], nullptr);
+	}
+	delete commandPool;
+	delete buffer;
+	delete pipeline;
+	delete instance;
+}
+
 
 
 

src/vulkan/application.hpp

@@ -13,12 +13,14 @@
 #include <numeric>
 #include <chrono>
 #include <array>
-#include "vertex.hpp"
+#include <memory>
-#include "swapchain.hpp"
+#include <vulkan/vulkan_core.h>
-#include "pipeline.hpp"
+
-#include "instance.hpp"
+class Instance;
-#include "buffer.hpp"
+class Swapchain;
-#include "command_pool.hpp"
+class Pipeline;
+class Buffer;
+class CommandPool;
 
 constexpr int MAX_FRAMES_IN_FLIGHT = 2;
 

src/vulkan/buffer.cpp

@@ -2,6 +2,7 @@
 #include <cstring>
 #include "buffer.hpp"
 #include "vertex.hpp"
+#include "instance.hpp"
 
 const std::vector<Vertex> vertices = {
 		{{0.0, -0.5}, {1, 0, 0}},

src/vulkan/buffer.hpp

@@ -2,7 +2,8 @@
 
 #include <vulkan/vulkan_core.h>
 #include <stdexcept>
-#include "instance.hpp"
+
+class Instance;
 
 
 class Buffer {

src/vulkan/command_pool.cpp

@@ -1,5 +1,6 @@
 #include "command_pool.hpp"
 #include "application.hpp"
+#include "instance.hpp"
 
 CommandPool::CommandPool(Instance *instance) : instance(instance) {
 	Instance::QueueFamilyIndices indices = Instance::findQueueFamilies(instance->physicalDevice, instance->surface);

src/vulkan/command_pool.hpp

@@ -1,7 +1,9 @@
 #pragma once
 
 #include <vector>
-#include "instance.hpp"
+#include <vulkan/vulkan_core.h>
+
+class Instance;
 
 class CommandPool {
 public:

src/vulkan/pipeline.cpp

@@ -2,6 +2,7 @@
 #include <fstream>
 #include "pipeline.hpp"
 #include "vertex.hpp"
+#include "instance.hpp"
 
 std::vector<char> readFile(const std::string& fileName){
 	std::ifstream file(fileName, std::ios::ate | std::ios::binary);

src/vulkan/pipeline.hpp

@@ -1,7 +1,8 @@
 #pragma once
 
 #include <vulkan/vulkan.h>
-#include "instance.hpp"
+
+class Instance;
 
 class Pipeline {
 public:

src/vulkan/swapchain.cpp

@@ -1,6 +1,7 @@
 #include <limits>
 #include <stdexcept>
 #include "swapchain.hpp"
+#include "instance.hpp"
 
 SwapchainSupportDetails querySwapchainSupport(VkPhysicalDevice device, VkSurfaceKHR surface){
 	SwapchainSupportDetails details;

src/vulkan/swapchain.hpp

@@ -3,7 +3,7 @@
 #include <vulkan/vulkan.h>
 #include <vector>
 
-#include "instance.hpp"
+class Instance;
 
 struct SwapchainSupportDetails {
 	VkSurfaceCapabilitiesKHR capabilities {};