1 | #include <vulkan/vulkan.h>
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2 |
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3 | #include <SDL2/SDL.h>
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4 | #include <SDL2/SDL_vulkan.h>
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5 |
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6 | //#define _USE_MATH_DEFINES // Will be needed when/if I need to # include <cmath>
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7 |
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8 | #define GLM_FORCE_RADIANS
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9 | #define GLM_FORCE_DEPTH_ZERO_TO_ONE
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10 | #include <glm/vec4.hpp>
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11 | #include <glm/mat4x4.hpp>
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12 |
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13 | #include <iostream>
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14 | #include <vector>
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15 | #include <set>
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16 | #include <stdexcept>
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17 | #include <cstdlib>
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18 | #include <optional>
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19 | #include <algorithm>
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20 |
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21 | #include "game-gui-sdl.hpp"
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22 |
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23 | using namespace std;
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24 | //using namespace glm;
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25 |
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26 | const int SCREEN_WIDTH = 800;
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27 | const int SCREEN_HEIGHT = 600;
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28 |
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29 | #ifdef NDEBUG
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30 | const bool enableValidationLayers = false;
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31 | #else
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32 | const bool enableValidationLayers = true;
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33 | #endif
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34 |
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35 | const vector<const char*> validationLayers = {
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36 | "VK_LAYER_KHRONOS_validation"
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37 | };
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38 |
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39 | const vector<const char*> deviceExtensions = {
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40 | VK_KHR_SWAPCHAIN_EXTENSION_NAME
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41 | };
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42 |
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43 | struct QueueFamilyIndices {
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44 | optional<uint32_t> graphicsFamily;
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45 | optional<uint32_t> presentFamily;
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46 |
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47 | bool isComplete() {
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48 | return graphicsFamily.has_value() && presentFamily.has_value();
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49 | }
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50 | };
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51 |
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52 | struct SwapChainSupportDetails {
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53 | VkSurfaceCapabilitiesKHR capabilities;
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54 | vector<VkSurfaceFormatKHR> formats;
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55 | vector<VkPresentModeKHR> presentModes;
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56 | };
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57 |
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58 | static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(
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59 | VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
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60 | VkDebugUtilsMessageTypeFlagsEXT messageType,
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61 | const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
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62 | void* pUserData) {
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63 | cerr << "validation layer: " << pCallbackData->pMessage << endl;
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64 |
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65 | return VK_FALSE;
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66 | }
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67 |
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68 | VkResult CreateDebugUtilsMessengerEXT(VkInstance instance,
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69 | const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo,
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70 | const VkAllocationCallbacks* pAllocator,
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71 | VkDebugUtilsMessengerEXT* pDebugMessenger) {
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72 | auto func = (PFN_vkCreateDebugUtilsMessengerEXT) vkGetInstanceProcAddr(
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73 | instance, "vkCreateDebugUtilsMessengerEXT");
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74 |
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75 | if (func != nullptr) {
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76 | return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
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77 | } else {
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78 | return VK_ERROR_EXTENSION_NOT_PRESENT;
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79 | }
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80 | }
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81 |
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82 | void DestroyDebugUtilsMessengerEXT(VkInstance instance,
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83 | VkDebugUtilsMessengerEXT debugMessenger,
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84 | const VkAllocationCallbacks* pAllocator) {
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85 | auto func = (PFN_vkDestroyDebugUtilsMessengerEXT) vkGetInstanceProcAddr(
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86 | instance, "vkDestroyDebugUtilsMessengerEXT");
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87 |
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88 | if (func != nullptr) {
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89 | func(instance, debugMessenger, pAllocator);
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90 | }
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91 | }
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92 |
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93 | class VulkanGame {
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94 | public:
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95 | void run() {
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96 | if (initWindow() == RTWO_ERROR) {
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97 | return;
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98 | }
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99 | initVulkan();
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100 | mainLoop();
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101 | cleanup();
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102 | }
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103 | private:
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104 | GameGui* gui = new GameGui_SDL();
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105 | SDL_Window* window = nullptr;
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106 |
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107 | VkInstance instance;
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108 | VkDebugUtilsMessengerEXT debugMessenger;
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109 | VkSurfaceKHR surface;
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110 | SDL_Surface* sdlSurface = nullptr;
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111 |
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112 | VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
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113 | VkDevice device;
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114 |
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115 | VkQueue graphicsQueue;
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116 | VkQueue presentQueue;
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117 |
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118 | VkSwapchainKHR swapChain;
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119 | vector<VkImage> swapChainImages;
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120 | VkFormat swapChainImageFormat;
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121 | VkExtent2D swapChainExtent;
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122 |
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123 | vector<VkImageView> swapChainImageViews;
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124 |
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125 | // both SDL and GLFW create window functions return NULL on failure
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126 | bool initWindow() {
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127 | if (gui->Init() == RTWO_ERROR) {
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128 | cout << "UI library could not be initialized!" << endl;
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129 | return RTWO_ERROR;
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130 | } else {
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131 | // On Apple's OS X you must set the NSHighResolutionCapable Info.plist property to YES,
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132 | // otherwise you will not receive a High DPI OpenGL canvas.
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133 |
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134 | // TODO: Move this into some generic method in game-gui-sdl
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135 | window = SDL_CreateWindow("Vulkan Game",
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136 | SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
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137 | SCREEN_WIDTH, SCREEN_HEIGHT,
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138 | SDL_WINDOW_VULKAN | SDL_WINDOW_SHOWN);
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139 |
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140 | if (window == nullptr) {
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141 | cout << "Window could not be created!" << endl;
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142 | return RTWO_ERROR;
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143 | } else {
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144 | return RTWO_SUCCESS;
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145 | }
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146 | }
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147 | }
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148 |
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149 | void initVulkan() {
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150 | createInstance();
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151 | setupDebugMessenger();
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152 | createSurface();
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153 | pickPhysicalDevice();
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154 | createLogicalDevice();
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155 | createSwapChain();
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156 | createImageViews();
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157 | createGraphicsPipeline();
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158 | }
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159 |
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160 | void createInstance() {
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161 | if (enableValidationLayers && !checkValidationLayerSupport()) {
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162 | throw runtime_error("validation layers requested, but not available!");
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163 | }
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164 |
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165 | VkApplicationInfo appInfo = {};
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166 | appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
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167 | appInfo.pApplicationName = "Vulkan Game";
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168 | appInfo.applicationVersion = VK_MAKE_VERSION(1, 0, 0);
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169 | appInfo.pEngineName = "No Engine";
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170 | appInfo.engineVersion = VK_MAKE_VERSION(1, 0, 0);
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171 | appInfo.apiVersion = VK_API_VERSION_1_0;
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172 |
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173 | VkInstanceCreateInfo createInfo = {};
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174 | createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
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175 | createInfo.pApplicationInfo = &appInfo;
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176 |
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177 | vector<const char*> extensions = getRequiredExtensions();
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178 | createInfo.enabledExtensionCount = static_cast<uint32_t>(extensions.size());
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179 | createInfo.ppEnabledExtensionNames = extensions.data();
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180 |
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181 | cout << endl << "SDL extensions:" << endl;
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182 | for (const char* extensionName : extensions) {
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183 | cout << extensionName << endl;
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184 | }
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185 | cout << endl;
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186 |
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187 | VkDebugUtilsMessengerCreateInfoEXT debugCreateInfo;
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188 | if (enableValidationLayers) {
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189 | createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
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190 | createInfo.ppEnabledLayerNames = validationLayers.data();
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191 |
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192 | populateDebugMessengerCreateInfo(debugCreateInfo);
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193 | createInfo.pNext = &debugCreateInfo;
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194 | } else {
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195 | createInfo.enabledLayerCount = 0;
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196 |
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197 | createInfo.pNext = nullptr;
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198 | }
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199 |
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200 | if (vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS) {
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201 | throw runtime_error("failed to create instance!");
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202 | }
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203 | }
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204 |
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205 | void setupDebugMessenger() {
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206 | if (!enableValidationLayers) return;
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207 |
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208 | VkDebugUtilsMessengerCreateInfoEXT createInfo;
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209 | populateDebugMessengerCreateInfo(createInfo);
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210 |
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211 | if (CreateDebugUtilsMessengerEXT(instance, &createInfo, nullptr, &debugMessenger) != VK_SUCCESS) {
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212 | throw runtime_error("failed to setup debug messenger!");
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213 | }
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214 | }
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215 |
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216 | void createSurface() {
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217 | sdlSurface = SDL_GetWindowSurface(window);
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218 |
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219 | if (sdlSurface == nullptr) {
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220 | cout << "Could not get SDL Surface! =(" << endl;
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221 | }
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222 |
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223 | if (!SDL_Vulkan_CreateSurface(window, instance, &surface)) {
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224 | throw runtime_error("failed to create window surface!");
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225 | }
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226 |
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227 | /*
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228 | if (glfwCreateWindowSurface(instance, window, nullptr, &surface) != VK_SUCCESS) {
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229 | throw runtime_error("failed to create window surface!");
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230 | }
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231 | */
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232 | }
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233 |
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234 | void pickPhysicalDevice() {
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235 | uint32_t deviceCount = 0;
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236 | vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
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237 |
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238 | if (deviceCount == 0) {
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239 | throw runtime_error("failed to find GPUs with Vulkan support!");
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240 | }
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241 |
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242 | vector<VkPhysicalDevice> devices(deviceCount);
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243 | vkEnumeratePhysicalDevices(instance, &deviceCount, devices.data());
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244 |
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245 | cout << endl << "Graphics cards:" << endl;
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246 | for (const VkPhysicalDevice& device : devices) {
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247 | if (isDeviceSuitable(device)) {
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248 | physicalDevice = device;
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249 | break;
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250 | }
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251 | }
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252 | cout << endl;
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253 |
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254 | if (physicalDevice == VK_NULL_HANDLE) {
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255 | throw runtime_error("failed to find a suitable GPU!");
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256 | }
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257 | }
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258 |
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259 | bool isDeviceSuitable(VkPhysicalDevice device) {
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260 | VkPhysicalDeviceProperties deviceProperties;
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261 | VkPhysicalDeviceFeatures deviceFeatures;
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262 |
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263 | vkGetPhysicalDeviceProperties(device, &deviceProperties);
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264 | vkGetPhysicalDeviceFeatures(device, &deviceFeatures);
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265 |
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266 | cout << "Device: " << deviceProperties.deviceName << endl;
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267 |
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268 | QueueFamilyIndices indices = findQueueFamilies(device);
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269 |
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270 | bool extensionsSupported = checkDeviceExtensionSupport(device);
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271 |
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272 | bool swapChainAdequate = false;
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273 |
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274 | if (extensionsSupported) {
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275 | SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device);
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276 | swapChainAdequate = !swapChainSupport.formats.empty() && !swapChainSupport.presentModes.empty();
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277 | }
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278 |
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279 | return indices.isComplete() && extensionsSupported && swapChainAdequate;
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280 | }
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281 |
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282 | bool checkDeviceExtensionSupport(VkPhysicalDevice device) {
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283 | uint32_t extensionCount;
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284 | vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, nullptr);
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285 |
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286 | vector<VkExtensionProperties> availableExtensions(extensionCount);
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287 | vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, availableExtensions.data());
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288 |
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289 | set<string> requiredExtensions(deviceExtensions.begin(), deviceExtensions.end());
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290 |
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291 | for (const auto& extension : availableExtensions) {
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292 | requiredExtensions.erase(extension.extensionName);
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293 | }
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294 |
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295 | return requiredExtensions.empty();
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296 | }
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297 |
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298 | void createLogicalDevice() {
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299 | QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
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300 |
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301 | vector<VkDeviceQueueCreateInfo> queueCreateInfos;
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302 | set<uint32_t> uniqueQueueFamilies = {indices.graphicsFamily.value(), indices.presentFamily.value()};
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303 |
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304 | float queuePriority = 1.0f;
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305 | for (uint32_t queueFamily : uniqueQueueFamilies) {
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306 | VkDeviceQueueCreateInfo queueCreateInfo = {};
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307 |
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308 | queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
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309 | queueCreateInfo.queueFamilyIndex = queueFamily;
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310 | queueCreateInfo.queueCount = 1;
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311 | queueCreateInfo.pQueuePriorities = &queuePriority;
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312 |
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313 | queueCreateInfos.push_back(queueCreateInfo);
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314 | }
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315 |
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316 | VkPhysicalDeviceFeatures deviceFeatures = {};
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317 |
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318 | VkDeviceCreateInfo createInfo = {};
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319 | createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
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320 |
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321 | createInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());;
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322 | createInfo.pQueueCreateInfos = queueCreateInfos.data();
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323 |
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324 | createInfo.pEnabledFeatures = &deviceFeatures;
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325 |
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326 | createInfo.enabledExtensionCount = static_cast<uint32_t>(deviceExtensions.size());
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327 | createInfo.ppEnabledExtensionNames = deviceExtensions.data();
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328 |
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329 | // These fields are ignored by up-to-date Vulkan implementations,
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330 | // but it's a good idea to set them for backwards compatibility
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331 | if (enableValidationLayers) {
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332 | createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
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333 | createInfo.ppEnabledLayerNames = validationLayers.data();
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334 | } else {
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335 | createInfo.enabledLayerCount = 0;
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336 | }
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337 |
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338 | if (vkCreateDevice(physicalDevice, &createInfo, nullptr, &device) != VK_SUCCESS) {
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339 | throw runtime_error("failed to create logical device!");
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340 | }
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341 |
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342 | vkGetDeviceQueue(device, indices.graphicsFamily.value(), 0, &graphicsQueue);
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343 | vkGetDeviceQueue(device, indices.presentFamily.value(), 0, &presentQueue);
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344 | }
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345 |
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346 | bool checkValidationLayerSupport() {
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347 | uint32_t layerCount;
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348 | vkEnumerateInstanceLayerProperties(&layerCount, nullptr);
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349 |
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350 | vector<VkLayerProperties> availableLayers(layerCount);
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351 | vkEnumerateInstanceLayerProperties(&layerCount, availableLayers.data());
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352 |
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353 | for (const char* layerName : validationLayers) {
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354 | bool layerFound = false;
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355 |
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356 | for (const auto& layerProperties : availableLayers) {
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357 | if (strcmp(layerName, layerProperties.layerName) == 0) {
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358 | layerFound = true;
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359 | break;
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360 | }
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361 | }
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362 |
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363 | if (!layerFound) {
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364 | return false;
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365 | }
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366 | }
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367 |
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368 | return true;
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369 | }
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370 |
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371 | QueueFamilyIndices findQueueFamilies(VkPhysicalDevice device) {
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372 | QueueFamilyIndices indices;
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373 |
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374 | uint32_t queueFamilyCount = 0;
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375 | vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, nullptr);
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376 |
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377 | vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
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378 | vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, queueFamilies.data());
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379 |
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380 | int i = 0;
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381 | for (const auto& queueFamily : queueFamilies) {
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382 | if (queueFamily.queueCount > 0 && queueFamily.queueFlags & VK_QUEUE_GRAPHICS_BIT) {
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383 | indices.graphicsFamily = i;
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384 | }
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385 |
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386 | VkBool32 presentSupport = false;
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387 | vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, &presentSupport);
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388 |
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389 | if (queueFamily.queueCount > 0 && presentSupport) {
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390 | indices.presentFamily = i;
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391 | }
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392 |
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393 | if (indices.isComplete()) {
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394 | break;
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395 | }
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396 |
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397 | i++;
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398 | }
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399 |
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400 | return indices;
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401 | }
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402 |
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403 | SwapChainSupportDetails querySwapChainSupport(VkPhysicalDevice device) {
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404 | SwapChainSupportDetails details;
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405 |
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406 | vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, surface, &details.capabilities);
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407 |
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408 | uint32_t formatCount;
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409 | vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, nullptr);
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410 |
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411 | if (formatCount != 0) {
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412 | details.formats.resize(formatCount);
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413 | vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, details.formats.data());
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414 | }
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415 |
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416 | uint32_t presentModeCount;
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417 | vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, nullptr);
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418 |
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419 | if (presentModeCount != 0) {
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420 | details.presentModes.resize(presentModeCount);
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421 | vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, details.presentModes.data());
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422 | }
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423 |
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424 | return details;
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425 | }
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426 |
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427 | VkSurfaceFormatKHR chooseSwapSurfaceFormat(const vector<VkSurfaceFormatKHR>& availableFormats) {
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428 | for (const auto& availableFormat : availableFormats) {
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429 | if (availableFormat.format == VK_FORMAT_B8G8R8A8_UNORM && availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
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430 | return availableFormat;
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431 | }
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432 | }
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433 |
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434 | return availableFormats[0];
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435 | }
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436 |
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437 | VkPresentModeKHR chooseSwapPresentMode(const vector<VkPresentModeKHR>& availablePresentModes) {
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438 | VkPresentModeKHR bestMode = VK_PRESENT_MODE_FIFO_KHR;
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439 |
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440 | for (const auto& availablePresentMode : availablePresentModes) {
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441 | if (availablePresentMode == VK_PRESENT_MODE_MAILBOX_KHR) {
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442 | return availablePresentMode;
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443 | } else if (availablePresentMode == VK_PRESENT_MODE_IMMEDIATE_KHR) {
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444 | bestMode = availablePresentMode;
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445 | }
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446 | }
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447 |
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448 | return bestMode;
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449 | }
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450 |
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451 | VkExtent2D chooseSwapExtent(const VkSurfaceCapabilitiesKHR& capabilities) {
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452 | if (capabilities.currentExtent.width != numeric_limits<uint32_t>::max()) {
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453 | return capabilities.currentExtent;
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454 | } else {
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455 | VkExtent2D actualExtent = { SCREEN_WIDTH, SCREEN_HEIGHT };
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456 |
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457 | actualExtent.width = max(capabilities.minImageExtent.width, min(capabilities.maxImageExtent.width, actualExtent.width));
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458 | actualExtent.height = max(capabilities.minImageExtent.height, min(capabilities.maxImageExtent.height, actualExtent.height));
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459 |
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460 | return actualExtent;
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461 | }
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462 | }
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463 |
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464 | void populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT& createInfo) {
|
---|
465 | createInfo = {};
|
---|
466 | createInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
|
---|
467 | createInfo.messageSeverity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT;
|
---|
468 | createInfo.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT;
|
---|
469 | createInfo.pfnUserCallback = debugCallback;
|
---|
470 | }
|
---|
471 |
|
---|
472 | vector<const char*> getRequiredExtensions() {
|
---|
473 | uint32_t extensionCount = 0;
|
---|
474 | SDL_Vulkan_GetInstanceExtensions(window, &extensionCount, nullptr);
|
---|
475 |
|
---|
476 | vector<const char*> extensions(extensionCount);
|
---|
477 | SDL_Vulkan_GetInstanceExtensions(window, &extensionCount, extensions.data());
|
---|
478 |
|
---|
479 | if (enableValidationLayers) {
|
---|
480 | extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
|
---|
481 | }
|
---|
482 |
|
---|
483 | return extensions;
|
---|
484 | }
|
---|
485 |
|
---|
486 | void createSwapChain() {
|
---|
487 | SwapChainSupportDetails swapChainSupport = querySwapChainSupport(physicalDevice);
|
---|
488 |
|
---|
489 | VkSurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(swapChainSupport.formats);
|
---|
490 | VkPresentModeKHR presentMode = chooseSwapPresentMode(swapChainSupport.presentModes);
|
---|
491 | VkExtent2D extent = chooseSwapExtent(swapChainSupport.capabilities);
|
---|
492 |
|
---|
493 | uint32_t imageCount = swapChainSupport.capabilities.minImageCount + 1;
|
---|
494 | if (swapChainSupport.capabilities.maxImageCount > 0 &&
|
---|
495 | imageCount > swapChainSupport.capabilities.maxImageCount) {
|
---|
496 | imageCount = swapChainSupport.capabilities.maxImageCount;
|
---|
497 | }
|
---|
498 |
|
---|
499 | VkSwapchainCreateInfoKHR createInfo = {};
|
---|
500 |
|
---|
501 | createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
|
---|
502 | createInfo.surface = surface;
|
---|
503 | createInfo.minImageCount = imageCount;
|
---|
504 | createInfo.imageFormat = surfaceFormat.format;
|
---|
505 | createInfo.imageColorSpace = surfaceFormat.colorSpace;
|
---|
506 | createInfo.imageExtent = extent;
|
---|
507 | createInfo.imageArrayLayers = 1;
|
---|
508 | createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
|
---|
509 |
|
---|
510 | QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
|
---|
511 | uint32_t queueFamilyIndices[] = {indices.graphicsFamily.value(), indices.presentFamily.value()};
|
---|
512 |
|
---|
513 | if (indices.graphicsFamily != indices.presentFamily) {
|
---|
514 | createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
|
---|
515 | createInfo.queueFamilyIndexCount = 2;
|
---|
516 | createInfo.pQueueFamilyIndices = queueFamilyIndices;
|
---|
517 | } else {
|
---|
518 | createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
|
---|
519 | createInfo.queueFamilyIndexCount = 0; // Optional
|
---|
520 | createInfo.pQueueFamilyIndices = nullptr;
|
---|
521 | }
|
---|
522 |
|
---|
523 | createInfo.preTransform = swapChainSupport.capabilities.currentTransform;
|
---|
524 | createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
|
---|
525 | createInfo.presentMode = presentMode;
|
---|
526 | createInfo.clipped = VK_TRUE;
|
---|
527 | createInfo.oldSwapchain = VK_NULL_HANDLE;
|
---|
528 |
|
---|
529 | if (vkCreateSwapchainKHR(device, &createInfo, nullptr, &swapChain) != VK_SUCCESS) {
|
---|
530 | throw runtime_error("failed to create swap chain!");
|
---|
531 | }
|
---|
532 |
|
---|
533 | vkGetSwapchainImagesKHR(device, swapChain, &imageCount, nullptr);
|
---|
534 | swapChainImages.resize(imageCount);
|
---|
535 | vkGetSwapchainImagesKHR(device, swapChain, &imageCount, swapChainImages.data());
|
---|
536 |
|
---|
537 | swapChainImageFormat = surfaceFormat.format;
|
---|
538 | swapChainExtent = extent;
|
---|
539 | }
|
---|
540 |
|
---|
541 | void createImageViews() {
|
---|
542 | swapChainImageViews.resize(swapChainImages.size());
|
---|
543 |
|
---|
544 | for (size_t i=0; i<swapChainImages.size(); i++) {
|
---|
545 | VkImageViewCreateInfo createInfo = {};
|
---|
546 | createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
|
---|
547 | createInfo.image = swapChainImages[i];
|
---|
548 |
|
---|
549 | createInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
|
---|
550 | createInfo.format = swapChainImageFormat;
|
---|
551 |
|
---|
552 | createInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
|
---|
553 | createInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
|
---|
554 | createInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
|
---|
555 | createInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
|
---|
556 |
|
---|
557 | createInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
---|
558 | createInfo.subresourceRange.baseMipLevel = 0;
|
---|
559 | createInfo.subresourceRange.levelCount = 1;
|
---|
560 | createInfo.subresourceRange.baseArrayLayer = 0;
|
---|
561 | createInfo.subresourceRange.layerCount = 1;
|
---|
562 |
|
---|
563 | if (vkCreateImageView(device, &createInfo, nullptr, &swapChainImageViews[i]) != VK_SUCCESS) {
|
---|
564 | throw runtime_error("failed to create image views!");
|
---|
565 | }
|
---|
566 | }
|
---|
567 | }
|
---|
568 |
|
---|
569 | void createGraphicsPipeline() {
|
---|
570 | }
|
---|
571 |
|
---|
572 | void mainLoop() {
|
---|
573 | // TODO: Create some generic event-handling functions in game-gui-*
|
---|
574 | SDL_Event e;
|
---|
575 | bool quit = false;
|
---|
576 |
|
---|
577 | while (!quit) {
|
---|
578 | while (SDL_PollEvent(&e)) {
|
---|
579 | if (e.type == SDL_QUIT) {
|
---|
580 | quit = true;
|
---|
581 | }
|
---|
582 | if (e.type == SDL_KEYDOWN) {
|
---|
583 | quit = true;
|
---|
584 | }
|
---|
585 | if (e.type == SDL_MOUSEBUTTONDOWN) {
|
---|
586 | quit = true;
|
---|
587 | }
|
---|
588 |
|
---|
589 | /*
|
---|
590 | SDL_FillRect(sdlSurface, nullptr, SDL_MapRGB(sdlSurface->format, 0xFF, 0xFF, 0xFF));
|
---|
591 |
|
---|
592 | SDL_UpdateWindowSurface(window);
|
---|
593 | */
|
---|
594 | }
|
---|
595 | }
|
---|
596 | }
|
---|
597 |
|
---|
598 | void cleanup() {
|
---|
599 | for (auto imageView : swapChainImageViews) {
|
---|
600 | vkDestroyImageView(device, imageView, nullptr);
|
---|
601 | }
|
---|
602 |
|
---|
603 | vkDestroySwapchainKHR(device, swapChain, nullptr);
|
---|
604 | vkDestroyDevice(device, nullptr);
|
---|
605 |
|
---|
606 | if (enableValidationLayers) {
|
---|
607 | DestroyDebugUtilsMessengerEXT(instance, debugMessenger, nullptr);
|
---|
608 | }
|
---|
609 |
|
---|
610 | vkDestroySurfaceKHR(instance, surface, nullptr);
|
---|
611 | vkDestroyInstance(instance, nullptr);
|
---|
612 |
|
---|
613 | // TODO: Move this into some generic method in game-gui-sdl
|
---|
614 | SDL_DestroyWindow(window);
|
---|
615 |
|
---|
616 | gui->Shutdown();
|
---|
617 | delete gui;
|
---|
618 | }
|
---|
619 | };
|
---|
620 |
|
---|
621 | int main(int argc, char* argv[]) {
|
---|
622 |
|
---|
623 | #ifdef NDEBUG
|
---|
624 | cout << "DEBUGGING IS OFF" << endl;
|
---|
625 | #else
|
---|
626 | cout << "DEBUGGING IS ON" << endl;
|
---|
627 | #endif
|
---|
628 |
|
---|
629 | glm::mat4 matrix;
|
---|
630 | glm::vec4 vec;
|
---|
631 | glm::vec4 test = matrix * vec;
|
---|
632 |
|
---|
633 | cout << "Starting Vulkan game..." << endl;
|
---|
634 |
|
---|
635 | VulkanGame game;
|
---|
636 |
|
---|
637 | try {
|
---|
638 | game.run();
|
---|
639 | } catch (const exception& e) {
|
---|
640 | cerr << e.what() << endl;
|
---|
641 | return EXIT_FAILURE;
|
---|
642 | }
|
---|
643 |
|
---|
644 | cout << "Finished running the game" << endl;
|
---|
645 |
|
---|
646 | return EXIT_SUCCESS;
|
---|
647 | }
|
---|