[826df16] | 1 | #include <vulkan/vulkan.h>
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[03f4c64] | 2 |
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[826df16] | 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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[03f4c64] | 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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[826df16] | 14 | #include <vector>
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[b3671b5] | 15 | #include <set>
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[826df16] | 16 | #include <stdexcept>
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| 17 | #include <cstdlib>
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[909b51a] | 18 | #include <optional>
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[bfd620e] | 19 | #include <algorithm>
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[e09ad38] | 20 | #include <fstream>
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[826df16] | 21 |
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| 22 | #include "game-gui-sdl.hpp"
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[03f4c64] | 23 |
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| 24 | using namespace std;
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[bfd620e] | 25 | //using namespace glm;
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[03f4c64] | 26 |
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[826df16] | 27 | const int SCREEN_WIDTH = 800;
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| 28 | const int SCREEN_HEIGHT = 600;
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| 29 |
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[47bff4c] | 30 | const int MAX_FRAMES_IN_FLIGHT = 2;
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| 31 |
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[826df16] | 32 | #ifdef NDEBUG
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| 33 | const bool enableValidationLayers = false;
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| 34 | #else
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| 35 | const bool enableValidationLayers = true;
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| 36 | #endif
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| 37 |
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[bfd620e] | 38 | const vector<const char*> validationLayers = {
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| 39 | "VK_LAYER_KHRONOS_validation"
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| 40 | };
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| 41 |
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| 42 | const vector<const char*> deviceExtensions = {
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| 43 | VK_KHR_SWAPCHAIN_EXTENSION_NAME
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| 44 | };
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| 45 |
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[909b51a] | 46 | struct QueueFamilyIndices {
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| 47 | optional<uint32_t> graphicsFamily;
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[b3671b5] | 48 | optional<uint32_t> presentFamily;
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[909b51a] | 49 |
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| 50 | bool isComplete() {
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[b3671b5] | 51 | return graphicsFamily.has_value() && presentFamily.has_value();
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[909b51a] | 52 | }
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| 53 | };
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| 54 |
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[bfd620e] | 55 | struct SwapChainSupportDetails {
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| 56 | VkSurfaceCapabilitiesKHR capabilities;
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| 57 | vector<VkSurfaceFormatKHR> formats;
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| 58 | vector<VkPresentModeKHR> presentModes;
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| 59 | };
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| 60 |
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[b6127d2] | 61 | VkResult CreateDebugUtilsMessengerEXT(VkInstance instance,
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| 62 | const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo,
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| 63 | const VkAllocationCallbacks* pAllocator,
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| 64 | VkDebugUtilsMessengerEXT* pDebugMessenger) {
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| 65 | auto func = (PFN_vkCreateDebugUtilsMessengerEXT) vkGetInstanceProcAddr(
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| 66 | instance, "vkCreateDebugUtilsMessengerEXT");
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| 67 |
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| 68 | if (func != nullptr) {
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| 69 | return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
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| 70 | } else {
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| 71 | return VK_ERROR_EXTENSION_NOT_PRESENT;
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| 72 | }
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| 73 | }
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| 74 |
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[80de39d] | 75 | void DestroyDebugUtilsMessengerEXT(VkInstance instance,
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| 76 | VkDebugUtilsMessengerEXT debugMessenger,
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| 77 | const VkAllocationCallbacks* pAllocator) {
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| 78 | auto func = (PFN_vkDestroyDebugUtilsMessengerEXT) vkGetInstanceProcAddr(
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| 79 | instance, "vkDestroyDebugUtilsMessengerEXT");
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| 80 |
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| 81 | if (func != nullptr) {
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| 82 | func(instance, debugMessenger, pAllocator);
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| 83 | }
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| 84 | }
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| 85 |
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[826df16] | 86 | class VulkanGame {
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| 87 | public:
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| 88 | void run() {
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| 89 | if (initWindow() == RTWO_ERROR) {
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| 90 | return;
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| 91 | }
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| 92 | initVulkan();
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| 93 | mainLoop();
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| 94 | cleanup();
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| 95 | }
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| 96 | private:
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[98f3232] | 97 | GameGui* gui = new GameGui_SDL();
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[80de39d] | 98 | SDL_Window* window = nullptr;
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[826df16] | 99 |
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| 100 | VkInstance instance;
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[b6127d2] | 101 | VkDebugUtilsMessengerEXT debugMessenger;
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[b3671b5] | 102 | VkSurfaceKHR surface;
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[321272c] | 103 | SDL_Surface* sdlSurface = nullptr;
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[b3671b5] | 104 |
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[909b51a] | 105 | VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
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| 106 | VkDevice device;
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[b3671b5] | 107 |
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[909b51a] | 108 | VkQueue graphicsQueue;
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[b3671b5] | 109 | VkQueue presentQueue;
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[826df16] | 110 |
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[bfd620e] | 111 | VkSwapchainKHR swapChain;
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| 112 | vector<VkImage> swapChainImages;
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| 113 | VkFormat swapChainImageFormat;
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| 114 | VkExtent2D swapChainExtent;
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| 115 |
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| 116 | vector<VkImageView> swapChainImageViews;
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[be34c9a] | 117 | VkRenderPass renderPass;
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[84216c7] | 118 | VkPipelineLayout pipelineLayout;
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[fd70015] | 119 | VkPipeline graphicsPipeline;
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[47bff4c] | 120 | VkCommandPool commandPool;
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[bfd620e] | 121 |
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[ebeb3aa] | 122 | vector<VkFramebuffer> swapChainFramebuffers;
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[47bff4c] | 123 | vector<VkCommandBuffer> commandBuffers;
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| 124 |
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| 125 | vector<VkSemaphore> imageAvailableSemaphores;
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| 126 | vector<VkSemaphore> renderFinishedSemaphores;
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| 127 | vector<VkFence> inFlightFences;
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| 128 |
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| 129 | size_t currentFrame = 0;
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[ebeb3aa] | 130 |
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[826df16] | 131 | // both SDL and GLFW create window functions return NULL on failure
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| 132 | bool initWindow() {
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[98f3232] | 133 | if (gui->Init() == RTWO_ERROR) {
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[826df16] | 134 | cout << "UI library could not be initialized!" << endl;
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| 135 | return RTWO_ERROR;
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| 136 | } else {
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| 137 | // On Apple's OS X you must set the NSHighResolutionCapable Info.plist property to YES,
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| 138 | // otherwise you will not receive a High DPI OpenGL canvas.
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| 139 |
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| 140 | // TODO: Move this into some generic method in game-gui-sdl
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| 141 | window = SDL_CreateWindow("Vulkan Game",
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| 142 | SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
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| 143 | SCREEN_WIDTH, SCREEN_HEIGHT,
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| 144 | SDL_WINDOW_VULKAN | SDL_WINDOW_SHOWN);
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| 145 |
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[80de39d] | 146 | if (window == nullptr) {
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[826df16] | 147 | cout << "Window could not be created!" << endl;
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| 148 | return RTWO_ERROR;
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| 149 | } else {
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| 150 | return RTWO_SUCCESS;
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| 151 | }
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| 152 | }
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| 153 | }
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| 154 |
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| 155 | void initVulkan() {
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| 156 | createInstance();
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[7dcd925] | 157 | setupDebugMessenger();
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[b3671b5] | 158 | createSurface();
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[909b51a] | 159 | pickPhysicalDevice();
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| 160 | createLogicalDevice();
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[bfd620e] | 161 | createSwapChain();
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| 162 | createImageViews();
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[be34c9a] | 163 | createRenderPass();
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[4befb76] | 164 | createGraphicsPipeline();
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[ebeb3aa] | 165 | createFramebuffers();
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[47bff4c] | 166 | createCommandPool();
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| 167 | createCommandBuffers();
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| 168 | createSyncObjects();
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[826df16] | 169 | }
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| 170 |
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| 171 | void createInstance() {
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[b6127d2] | 172 | if (enableValidationLayers && !checkValidationLayerSupport()) {
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| 173 | throw runtime_error("validation layers requested, but not available!");
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| 174 | }
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| 175 |
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[826df16] | 176 | VkApplicationInfo appInfo = {};
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| 177 | appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
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| 178 | appInfo.pApplicationName = "Vulkan Game";
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| 179 | appInfo.applicationVersion = VK_MAKE_VERSION(1, 0, 0);
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| 180 | appInfo.pEngineName = "No Engine";
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| 181 | appInfo.engineVersion = VK_MAKE_VERSION(1, 0, 0);
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| 182 | appInfo.apiVersion = VK_API_VERSION_1_0;
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| 183 |
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| 184 | VkInstanceCreateInfo createInfo = {};
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| 185 | createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
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| 186 | createInfo.pApplicationInfo = &appInfo;
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| 187 |
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[a8f0577] | 188 | vector<const char*> extensions = getRequiredExtensions();
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[b6127d2] | 189 | createInfo.enabledExtensionCount = static_cast<uint32_t>(extensions.size());
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| 190 | createInfo.ppEnabledExtensionNames = extensions.data();
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[826df16] | 191 |
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[b3671b5] | 192 | cout << endl << "SDL extensions:" << endl;
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| 193 | for (const char* extensionName : extensions) {
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| 194 | cout << extensionName << endl;
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| 195 | }
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| 196 | cout << endl;
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| 197 |
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[80de39d] | 198 | VkDebugUtilsMessengerCreateInfoEXT debugCreateInfo;
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[b6127d2] | 199 | if (enableValidationLayers) {
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| 200 | createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
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| 201 | createInfo.ppEnabledLayerNames = validationLayers.data();
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[80de39d] | 202 |
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| 203 | populateDebugMessengerCreateInfo(debugCreateInfo);
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| 204 | createInfo.pNext = &debugCreateInfo;
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[b6127d2] | 205 | } else {
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| 206 | createInfo.enabledLayerCount = 0;
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[80de39d] | 207 |
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| 208 | createInfo.pNext = nullptr;
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[b6127d2] | 209 | }
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[826df16] | 210 |
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| 211 | if (vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS) {
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| 212 | throw runtime_error("failed to create instance!");
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| 213 | }
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| 214 | }
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| 215 |
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[80de39d] | 216 | void setupDebugMessenger() {
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| 217 | if (!enableValidationLayers) return;
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| 218 |
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| 219 | VkDebugUtilsMessengerCreateInfoEXT createInfo;
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| 220 | populateDebugMessengerCreateInfo(createInfo);
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[b6127d2] | 221 |
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| 222 | if (CreateDebugUtilsMessengerEXT(instance, &createInfo, nullptr, &debugMessenger) != VK_SUCCESS) {
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| 223 | throw runtime_error("failed to setup debug messenger!");
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| 224 | }
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| 225 | }
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| 226 |
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[b3671b5] | 227 | void createSurface() {
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[321272c] | 228 | sdlSurface = SDL_GetWindowSurface(window);
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| 229 |
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| 230 | if (sdlSurface == nullptr) {
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| 231 | cout << "Could not get SDL Surface! =(" << endl;
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| 232 | }
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[b3671b5] | 233 |
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| 234 | if (!SDL_Vulkan_CreateSurface(window, instance, &surface)) {
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| 235 | throw runtime_error("failed to create window surface!");
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| 236 | }
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| 237 |
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| 238 | /*
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| 239 | if (glfwCreateWindowSurface(instance, window, nullptr, &surface) != VK_SUCCESS) {
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| 240 | throw runtime_error("failed to create window surface!");
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| 241 | }
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| 242 | */
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| 243 | }
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| 244 |
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[909b51a] | 245 | void pickPhysicalDevice() {
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| 246 | uint32_t deviceCount = 0;
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| 247 | vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
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| 248 |
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| 249 | if (deviceCount == 0) {
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| 250 | throw runtime_error("failed to find GPUs with Vulkan support!");
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| 251 | }
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| 252 |
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| 253 | vector<VkPhysicalDevice> devices(deviceCount);
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| 254 | vkEnumeratePhysicalDevices(instance, &deviceCount, devices.data());
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| 255 |
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| 256 | cout << endl << "Graphics cards:" << endl;
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| 257 | for (const VkPhysicalDevice& device : devices) {
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| 258 | if (isDeviceSuitable(device)) {
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| 259 | physicalDevice = device;
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| 260 | break;
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| 261 | }
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| 262 | }
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| 263 | cout << endl;
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| 264 |
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| 265 | if (physicalDevice == VK_NULL_HANDLE) {
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| 266 | throw runtime_error("failed to find a suitable GPU!");
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| 267 | }
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| 268 | }
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| 269 |
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| 270 | bool isDeviceSuitable(VkPhysicalDevice device) {
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| 271 | VkPhysicalDeviceProperties deviceProperties;
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| 272 | VkPhysicalDeviceFeatures deviceFeatures;
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| 273 |
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| 274 | vkGetPhysicalDeviceProperties(device, &deviceProperties);
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| 275 | vkGetPhysicalDeviceFeatures(device, &deviceFeatures);
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| 276 |
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| 277 | cout << "Device: " << deviceProperties.deviceName << endl;
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| 278 |
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| 279 | QueueFamilyIndices indices = findQueueFamilies(device);
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| 280 |
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[bfd620e] | 281 | bool extensionsSupported = checkDeviceExtensionSupport(device);
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| 282 |
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| 283 | bool swapChainAdequate = false;
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| 284 |
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| 285 | if (extensionsSupported) {
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| 286 | SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device);
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| 287 | swapChainAdequate = !swapChainSupport.formats.empty() && !swapChainSupport.presentModes.empty();
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| 288 | }
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| 289 |
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| 290 | return indices.isComplete() && extensionsSupported && swapChainAdequate;
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| 291 | }
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| 292 |
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| 293 | bool checkDeviceExtensionSupport(VkPhysicalDevice device) {
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| 294 | uint32_t extensionCount;
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| 295 | vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, nullptr);
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| 296 |
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| 297 | vector<VkExtensionProperties> availableExtensions(extensionCount);
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| 298 | vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, availableExtensions.data());
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| 299 |
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| 300 | set<string> requiredExtensions(deviceExtensions.begin(), deviceExtensions.end());
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| 301 |
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| 302 | for (const auto& extension : availableExtensions) {
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| 303 | requiredExtensions.erase(extension.extensionName);
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| 304 | }
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| 305 |
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| 306 | return requiredExtensions.empty();
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[909b51a] | 307 | }
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| 308 |
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| 309 | void createLogicalDevice() {
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| 310 | QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
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| 311 |
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[b3671b5] | 312 | vector<VkDeviceQueueCreateInfo> queueCreateInfos;
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| 313 | set<uint32_t> uniqueQueueFamilies = {indices.graphicsFamily.value(), indices.presentFamily.value()};
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[909b51a] | 314 |
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| 315 | float queuePriority = 1.0f;
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[b3671b5] | 316 | for (uint32_t queueFamily : uniqueQueueFamilies) {
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| 317 | VkDeviceQueueCreateInfo queueCreateInfo = {};
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| 318 |
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| 319 | queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
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| 320 | queueCreateInfo.queueFamilyIndex = queueFamily;
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| 321 | queueCreateInfo.queueCount = 1;
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| 322 | queueCreateInfo.pQueuePriorities = &queuePriority;
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| 323 |
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| 324 | queueCreateInfos.push_back(queueCreateInfo);
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| 325 | }
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[909b51a] | 326 |
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| 327 | VkPhysicalDeviceFeatures deviceFeatures = {};
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| 328 |
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| 329 | VkDeviceCreateInfo createInfo = {};
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| 330 | createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
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| 331 |
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[b3671b5] | 332 | createInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());;
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| 333 | createInfo.pQueueCreateInfos = queueCreateInfos.data();
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[909b51a] | 334 |
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| 335 | createInfo.pEnabledFeatures = &deviceFeatures;
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| 336 |
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[bfd620e] | 337 | createInfo.enabledExtensionCount = static_cast<uint32_t>(deviceExtensions.size());
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| 338 | createInfo.ppEnabledExtensionNames = deviceExtensions.data();
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[909b51a] | 339 |
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| 340 | // These fields are ignored by up-to-date Vulkan implementations,
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| 341 | // but it's a good idea to set them for backwards compatibility
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| 342 | if (enableValidationLayers) {
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| 343 | createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
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| 344 | createInfo.ppEnabledLayerNames = validationLayers.data();
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| 345 | } else {
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| 346 | createInfo.enabledLayerCount = 0;
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| 347 | }
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| 348 |
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| 349 | if (vkCreateDevice(physicalDevice, &createInfo, nullptr, &device) != VK_SUCCESS) {
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| 350 | throw runtime_error("failed to create logical device!");
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| 351 | }
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| 352 |
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| 353 | vkGetDeviceQueue(device, indices.graphicsFamily.value(), 0, &graphicsQueue);
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[b3671b5] | 354 | vkGetDeviceQueue(device, indices.presentFamily.value(), 0, &presentQueue);
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[909b51a] | 355 | }
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| 356 |
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[a8f0577] | 357 | bool checkValidationLayerSupport() {
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| 358 | uint32_t layerCount;
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| 359 | vkEnumerateInstanceLayerProperties(&layerCount, nullptr);
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| 360 |
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| 361 | vector<VkLayerProperties> availableLayers(layerCount);
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| 362 | vkEnumerateInstanceLayerProperties(&layerCount, availableLayers.data());
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| 363 |
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| 364 | for (const char* layerName : validationLayers) {
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| 365 | bool layerFound = false;
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| 366 |
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| 367 | for (const auto& layerProperties : availableLayers) {
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| 368 | if (strcmp(layerName, layerProperties.layerName) == 0) {
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| 369 | layerFound = true;
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| 370 | break;
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| 371 | }
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| 372 | }
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| 373 |
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| 374 | if (!layerFound) {
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| 375 | return false;
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| 376 | }
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| 377 | }
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| 378 |
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| 379 | return true;
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| 380 | }
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| 381 |
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[909b51a] | 382 | QueueFamilyIndices findQueueFamilies(VkPhysicalDevice device) {
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| 383 | QueueFamilyIndices indices;
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| 384 |
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| 385 | uint32_t queueFamilyCount = 0;
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| 386 | vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, nullptr);
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| 387 |
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| 388 | vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
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| 389 | vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, queueFamilies.data());
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| 390 |
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| 391 | int i = 0;
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| 392 | for (const auto& queueFamily : queueFamilies) {
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| 393 | if (queueFamily.queueCount > 0 && queueFamily.queueFlags & VK_QUEUE_GRAPHICS_BIT) {
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| 394 | indices.graphicsFamily = i;
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| 395 | }
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| 396 |
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[b3671b5] | 397 | VkBool32 presentSupport = false;
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| 398 | vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, &presentSupport);
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| 399 |
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| 400 | if (queueFamily.queueCount > 0 && presentSupport) {
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| 401 | indices.presentFamily = i;
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| 402 | }
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| 403 |
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[909b51a] | 404 | if (indices.isComplete()) {
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| 405 | break;
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| 406 | }
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| 407 |
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| 408 | i++;
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| 409 | }
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| 410 |
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| 411 | return indices;
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| 412 | }
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| 413 |
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[bfd620e] | 414 | SwapChainSupportDetails querySwapChainSupport(VkPhysicalDevice device) {
|
---|
| 415 | SwapChainSupportDetails details;
|
---|
| 416 |
|
---|
| 417 | vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, surface, &details.capabilities);
|
---|
| 418 |
|
---|
| 419 | uint32_t formatCount;
|
---|
| 420 | vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, nullptr);
|
---|
| 421 |
|
---|
| 422 | if (formatCount != 0) {
|
---|
| 423 | details.formats.resize(formatCount);
|
---|
| 424 | vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, details.formats.data());
|
---|
| 425 | }
|
---|
| 426 |
|
---|
| 427 | uint32_t presentModeCount;
|
---|
| 428 | vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, nullptr);
|
---|
| 429 |
|
---|
| 430 | if (presentModeCount != 0) {
|
---|
| 431 | details.presentModes.resize(presentModeCount);
|
---|
| 432 | vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, details.presentModes.data());
|
---|
| 433 | }
|
---|
| 434 |
|
---|
| 435 | return details;
|
---|
| 436 | }
|
---|
| 437 |
|
---|
| 438 | VkSurfaceFormatKHR chooseSwapSurfaceFormat(const vector<VkSurfaceFormatKHR>& availableFormats) {
|
---|
| 439 | for (const auto& availableFormat : availableFormats) {
|
---|
| 440 | if (availableFormat.format == VK_FORMAT_B8G8R8A8_UNORM && availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
|
---|
| 441 | return availableFormat;
|
---|
| 442 | }
|
---|
| 443 | }
|
---|
| 444 |
|
---|
| 445 | return availableFormats[0];
|
---|
| 446 | }
|
---|
| 447 |
|
---|
| 448 | VkPresentModeKHR chooseSwapPresentMode(const vector<VkPresentModeKHR>& availablePresentModes) {
|
---|
| 449 | VkPresentModeKHR bestMode = VK_PRESENT_MODE_FIFO_KHR;
|
---|
| 450 |
|
---|
| 451 | for (const auto& availablePresentMode : availablePresentModes) {
|
---|
| 452 | if (availablePresentMode == VK_PRESENT_MODE_MAILBOX_KHR) {
|
---|
| 453 | return availablePresentMode;
|
---|
| 454 | } else if (availablePresentMode == VK_PRESENT_MODE_IMMEDIATE_KHR) {
|
---|
| 455 | bestMode = availablePresentMode;
|
---|
| 456 | }
|
---|
| 457 | }
|
---|
| 458 |
|
---|
| 459 | return bestMode;
|
---|
| 460 | }
|
---|
| 461 |
|
---|
| 462 | VkExtent2D chooseSwapExtent(const VkSurfaceCapabilitiesKHR& capabilities) {
|
---|
| 463 | if (capabilities.currentExtent.width != numeric_limits<uint32_t>::max()) {
|
---|
| 464 | return capabilities.currentExtent;
|
---|
| 465 | } else {
|
---|
| 466 | VkExtent2D actualExtent = { SCREEN_WIDTH, SCREEN_HEIGHT };
|
---|
| 467 |
|
---|
| 468 | actualExtent.width = max(capabilities.minImageExtent.width, min(capabilities.maxImageExtent.width, actualExtent.width));
|
---|
| 469 | actualExtent.height = max(capabilities.minImageExtent.height, min(capabilities.maxImageExtent.height, actualExtent.height));
|
---|
| 470 |
|
---|
| 471 | return actualExtent;
|
---|
| 472 | }
|
---|
| 473 | }
|
---|
| 474 |
|
---|
[909b51a] | 475 | void populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT& createInfo) {
|
---|
| 476 | createInfo = {};
|
---|
| 477 | createInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
|
---|
| 478 | 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;
|
---|
| 479 | 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;
|
---|
| 480 | createInfo.pfnUserCallback = debugCallback;
|
---|
| 481 | }
|
---|
| 482 |
|
---|
[a8f0577] | 483 | vector<const char*> getRequiredExtensions() {
|
---|
| 484 | uint32_t extensionCount = 0;
|
---|
| 485 | SDL_Vulkan_GetInstanceExtensions(window, &extensionCount, nullptr);
|
---|
| 486 |
|
---|
| 487 | vector<const char*> extensions(extensionCount);
|
---|
| 488 | SDL_Vulkan_GetInstanceExtensions(window, &extensionCount, extensions.data());
|
---|
| 489 |
|
---|
| 490 | if (enableValidationLayers) {
|
---|
| 491 | extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
|
---|
| 492 | }
|
---|
| 493 |
|
---|
| 494 | return extensions;
|
---|
| 495 | }
|
---|
| 496 |
|
---|
[bfd620e] | 497 | void createSwapChain() {
|
---|
| 498 | SwapChainSupportDetails swapChainSupport = querySwapChainSupport(physicalDevice);
|
---|
| 499 |
|
---|
| 500 | VkSurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(swapChainSupport.formats);
|
---|
| 501 | VkPresentModeKHR presentMode = chooseSwapPresentMode(swapChainSupport.presentModes);
|
---|
| 502 | VkExtent2D extent = chooseSwapExtent(swapChainSupport.capabilities);
|
---|
| 503 |
|
---|
| 504 | uint32_t imageCount = swapChainSupport.capabilities.minImageCount + 1;
|
---|
| 505 | if (swapChainSupport.capabilities.maxImageCount > 0 &&
|
---|
| 506 | imageCount > swapChainSupport.capabilities.maxImageCount) {
|
---|
| 507 | imageCount = swapChainSupport.capabilities.maxImageCount;
|
---|
| 508 | }
|
---|
| 509 |
|
---|
| 510 | VkSwapchainCreateInfoKHR createInfo = {};
|
---|
| 511 |
|
---|
| 512 | createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
|
---|
| 513 | createInfo.surface = surface;
|
---|
| 514 | createInfo.minImageCount = imageCount;
|
---|
| 515 | createInfo.imageFormat = surfaceFormat.format;
|
---|
| 516 | createInfo.imageColorSpace = surfaceFormat.colorSpace;
|
---|
| 517 | createInfo.imageExtent = extent;
|
---|
| 518 | createInfo.imageArrayLayers = 1;
|
---|
| 519 | createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
|
---|
| 520 |
|
---|
| 521 | QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
|
---|
| 522 | uint32_t queueFamilyIndices[] = {indices.graphicsFamily.value(), indices.presentFamily.value()};
|
---|
| 523 |
|
---|
| 524 | if (indices.graphicsFamily != indices.presentFamily) {
|
---|
| 525 | createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
|
---|
| 526 | createInfo.queueFamilyIndexCount = 2;
|
---|
| 527 | createInfo.pQueueFamilyIndices = queueFamilyIndices;
|
---|
| 528 | } else {
|
---|
| 529 | createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
|
---|
| 530 | createInfo.queueFamilyIndexCount = 0; // Optional
|
---|
| 531 | createInfo.pQueueFamilyIndices = nullptr;
|
---|
| 532 | }
|
---|
| 533 |
|
---|
| 534 | createInfo.preTransform = swapChainSupport.capabilities.currentTransform;
|
---|
| 535 | createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
|
---|
| 536 | createInfo.presentMode = presentMode;
|
---|
| 537 | createInfo.clipped = VK_TRUE;
|
---|
| 538 | createInfo.oldSwapchain = VK_NULL_HANDLE;
|
---|
| 539 |
|
---|
| 540 | if (vkCreateSwapchainKHR(device, &createInfo, nullptr, &swapChain) != VK_SUCCESS) {
|
---|
| 541 | throw runtime_error("failed to create swap chain!");
|
---|
| 542 | }
|
---|
| 543 |
|
---|
| 544 | vkGetSwapchainImagesKHR(device, swapChain, &imageCount, nullptr);
|
---|
| 545 | swapChainImages.resize(imageCount);
|
---|
| 546 | vkGetSwapchainImagesKHR(device, swapChain, &imageCount, swapChainImages.data());
|
---|
| 547 |
|
---|
| 548 | swapChainImageFormat = surfaceFormat.format;
|
---|
| 549 | swapChainExtent = extent;
|
---|
| 550 | }
|
---|
| 551 |
|
---|
| 552 | void createImageViews() {
|
---|
| 553 | swapChainImageViews.resize(swapChainImages.size());
|
---|
| 554 |
|
---|
| 555 | for (size_t i=0; i<swapChainImages.size(); i++) {
|
---|
| 556 | VkImageViewCreateInfo createInfo = {};
|
---|
| 557 | createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
|
---|
| 558 | createInfo.image = swapChainImages[i];
|
---|
| 559 |
|
---|
| 560 | createInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
|
---|
| 561 | createInfo.format = swapChainImageFormat;
|
---|
| 562 |
|
---|
| 563 | createInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
|
---|
| 564 | createInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
|
---|
| 565 | createInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
|
---|
| 566 | createInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
|
---|
| 567 |
|
---|
| 568 | createInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
---|
| 569 | createInfo.subresourceRange.baseMipLevel = 0;
|
---|
| 570 | createInfo.subresourceRange.levelCount = 1;
|
---|
| 571 | createInfo.subresourceRange.baseArrayLayer = 0;
|
---|
| 572 | createInfo.subresourceRange.layerCount = 1;
|
---|
| 573 |
|
---|
| 574 | if (vkCreateImageView(device, &createInfo, nullptr, &swapChainImageViews[i]) != VK_SUCCESS) {
|
---|
| 575 | throw runtime_error("failed to create image views!");
|
---|
| 576 | }
|
---|
| 577 | }
|
---|
| 578 | }
|
---|
| 579 |
|
---|
[be34c9a] | 580 | void createRenderPass() {
|
---|
| 581 | VkAttachmentDescription colorAttachment = {};
|
---|
| 582 | colorAttachment.format = swapChainImageFormat;
|
---|
| 583 | colorAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
|
---|
| 584 | colorAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
---|
| 585 | colorAttachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
|
---|
| 586 | colorAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
---|
| 587 | colorAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
---|
| 588 | colorAttachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
---|
| 589 | colorAttachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
|
---|
| 590 |
|
---|
| 591 | VkAttachmentReference colorAttachmentRef = {};
|
---|
| 592 | colorAttachmentRef.attachment = 0;
|
---|
| 593 | colorAttachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
|
---|
| 594 |
|
---|
| 595 | VkSubpassDescription subpass = {};
|
---|
| 596 | subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
|
---|
| 597 | subpass.colorAttachmentCount = 1;
|
---|
| 598 | subpass.pColorAttachments = &colorAttachmentRef;
|
---|
| 599 |
|
---|
[47bff4c] | 600 | VkSubpassDependency dependency = {};
|
---|
| 601 | dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
|
---|
| 602 | dependency.dstSubpass = 0;
|
---|
| 603 | dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
---|
| 604 | dependency.srcAccessMask = 0;
|
---|
| 605 | dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
---|
| 606 | dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
|
---|
| 607 |
|
---|
[be34c9a] | 608 | VkRenderPassCreateInfo renderPassInfo = {};
|
---|
| 609 | renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
|
---|
| 610 | renderPassInfo.attachmentCount = 1;
|
---|
| 611 | renderPassInfo.pAttachments = &colorAttachment;
|
---|
| 612 | renderPassInfo.subpassCount = 1;
|
---|
| 613 | renderPassInfo.pSubpasses = &subpass;
|
---|
[47bff4c] | 614 | renderPassInfo.dependencyCount = 1;
|
---|
| 615 | renderPassInfo.pDependencies = &dependency;
|
---|
[be34c9a] | 616 |
|
---|
| 617 | if (vkCreateRenderPass(device, &renderPassInfo, nullptr, &renderPass) != VK_SUCCESS) {
|
---|
| 618 | throw runtime_error("failed to create render pass!");
|
---|
| 619 | }
|
---|
| 620 | }
|
---|
| 621 |
|
---|
[4befb76] | 622 | void createGraphicsPipeline() {
|
---|
[e09ad38] | 623 | auto vertShaderCode = readFile("shaders/vert.spv");
|
---|
| 624 | auto fragShaderCode = readFile("shaders/frag.spv");
|
---|
| 625 |
|
---|
| 626 | VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
|
---|
| 627 | VkShaderModule fragShaderModule = createShaderModule(fragShaderCode);
|
---|
| 628 |
|
---|
| 629 | VkPipelineShaderStageCreateInfo vertShaderStageInfo = {};
|
---|
| 630 | vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
|
---|
| 631 | vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
|
---|
| 632 | vertShaderStageInfo.module = vertShaderModule;
|
---|
| 633 | vertShaderStageInfo.pName = "main";
|
---|
| 634 |
|
---|
| 635 | VkPipelineShaderStageCreateInfo fragShaderStageInfo = {};
|
---|
| 636 | fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
|
---|
| 637 | fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
|
---|
| 638 | fragShaderStageInfo.module = fragShaderModule;
|
---|
| 639 | fragShaderStageInfo.pName = "main";
|
---|
| 640 |
|
---|
| 641 | VkPipelineShaderStageCreateInfo shaderStages[] = { vertShaderStageInfo, fragShaderStageInfo };
|
---|
| 642 |
|
---|
[84216c7] | 643 | VkPipelineVertexInputStateCreateInfo vertexInputInfo = {};
|
---|
| 644 | vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
|
---|
| 645 | vertexInputInfo.vertexBindingDescriptionCount = 0;
|
---|
| 646 | vertexInputInfo.vertexAttributeDescriptionCount = 0;
|
---|
| 647 |
|
---|
| 648 | VkPipelineInputAssemblyStateCreateInfo inputAssembly = {};
|
---|
| 649 | inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
|
---|
| 650 | inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
|
---|
| 651 | inputAssembly.primitiveRestartEnable = VK_FALSE;
|
---|
| 652 |
|
---|
| 653 | VkViewport viewport = {};
|
---|
| 654 | viewport.x = 0.0f;
|
---|
| 655 | viewport.y = 0.0f;
|
---|
| 656 | viewport.width = (float) swapChainExtent.width;
|
---|
| 657 | viewport.height = (float) swapChainExtent.height;
|
---|
| 658 | viewport.minDepth = 0.0f;
|
---|
| 659 | viewport.maxDepth = 1.0f;
|
---|
| 660 |
|
---|
| 661 | VkRect2D scissor = {};
|
---|
| 662 | scissor.offset = { 0, 0 };
|
---|
| 663 | scissor.extent = swapChainExtent;
|
---|
| 664 |
|
---|
| 665 | VkPipelineViewportStateCreateInfo viewportState = {};
|
---|
| 666 | viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
|
---|
| 667 | viewportState.viewportCount = 1;
|
---|
| 668 | viewportState.pViewports = &viewport;
|
---|
| 669 | viewportState.scissorCount = 1;
|
---|
| 670 | viewportState.pScissors = &scissor;
|
---|
| 671 |
|
---|
| 672 | VkPipelineRasterizationStateCreateInfo rasterizer = {};
|
---|
| 673 | rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
|
---|
| 674 | rasterizer.depthClampEnable = VK_FALSE;
|
---|
| 675 | rasterizer.rasterizerDiscardEnable = VK_FALSE;
|
---|
| 676 | rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
|
---|
| 677 | rasterizer.lineWidth = 1.0f;
|
---|
| 678 | rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
|
---|
| 679 | rasterizer.frontFace = VK_FRONT_FACE_CLOCKWISE;
|
---|
| 680 | rasterizer.depthBiasEnable = false;
|
---|
| 681 |
|
---|
| 682 | VkPipelineMultisampleStateCreateInfo multisampling = {};
|
---|
| 683 | multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
|
---|
| 684 | multisampling.sampleShadingEnable = VK_FALSE;
|
---|
| 685 | multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
|
---|
| 686 |
|
---|
| 687 | VkPipelineColorBlendAttachmentState colorBlendAttachment = {};
|
---|
| 688 | colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
|
---|
| 689 | colorBlendAttachment.blendEnable = VK_FALSE;
|
---|
| 690 |
|
---|
| 691 | VkPipelineColorBlendStateCreateInfo colorBlending = {};
|
---|
| 692 | colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
|
---|
| 693 | colorBlending.logicOpEnable = VK_FALSE;
|
---|
| 694 | colorBlending.logicOp = VK_LOGIC_OP_COPY;
|
---|
| 695 | colorBlending.attachmentCount = 1;
|
---|
| 696 | colorBlending.pAttachments = &colorBlendAttachment;
|
---|
| 697 | colorBlending.blendConstants[0] = 0.0f;
|
---|
| 698 | colorBlending.blendConstants[1] = 0.0f;
|
---|
| 699 | colorBlending.blendConstants[2] = 0.0f;
|
---|
| 700 | colorBlending.blendConstants[3] = 0.0f;
|
---|
| 701 |
|
---|
| 702 | VkPipelineLayoutCreateInfo pipelineLayoutInfo = {};
|
---|
| 703 | pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
|
---|
| 704 | pipelineLayoutInfo.setLayoutCount = 0;
|
---|
| 705 | pipelineLayoutInfo.pushConstantRangeCount = 0;
|
---|
| 706 |
|
---|
| 707 | if (vkCreatePipelineLayout(device, &pipelineLayoutInfo, nullptr, &pipelineLayout) != VK_SUCCESS) {
|
---|
| 708 | throw runtime_error("failed to create pipeline layout!");
|
---|
| 709 | }
|
---|
| 710 |
|
---|
[fd70015] | 711 | VkGraphicsPipelineCreateInfo pipelineInfo = {};
|
---|
| 712 | pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
|
---|
| 713 | pipelineInfo.stageCount = 2;
|
---|
| 714 | pipelineInfo.pStages = shaderStages;
|
---|
| 715 | pipelineInfo.pVertexInputState = &vertexInputInfo;
|
---|
| 716 | pipelineInfo.pInputAssemblyState = &inputAssembly;
|
---|
| 717 | pipelineInfo.pViewportState = &viewportState;
|
---|
| 718 | pipelineInfo.pRasterizationState = &rasterizer;
|
---|
| 719 | pipelineInfo.pMultisampleState = &multisampling;
|
---|
| 720 | pipelineInfo.pDepthStencilState = nullptr;
|
---|
| 721 | pipelineInfo.pColorBlendState = &colorBlending;
|
---|
| 722 | pipelineInfo.pDynamicState = nullptr;
|
---|
| 723 | pipelineInfo.layout = pipelineLayout;
|
---|
| 724 | pipelineInfo.renderPass = renderPass;
|
---|
| 725 | pipelineInfo.subpass = 0;
|
---|
| 726 | pipelineInfo.basePipelineHandle = VK_NULL_HANDLE;
|
---|
| 727 | pipelineInfo.basePipelineIndex = -1;
|
---|
| 728 |
|
---|
| 729 | if (vkCreateGraphicsPipelines(device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &graphicsPipeline) != VK_SUCCESS) {
|
---|
| 730 | throw runtime_error("failed to create graphics pipeline!");
|
---|
| 731 | }
|
---|
| 732 |
|
---|
[e09ad38] | 733 | vkDestroyShaderModule(device, vertShaderModule, nullptr);
|
---|
| 734 | vkDestroyShaderModule(device, fragShaderModule, nullptr);
|
---|
| 735 | }
|
---|
| 736 |
|
---|
| 737 | VkShaderModule createShaderModule(const vector<char>& code) {
|
---|
| 738 | VkShaderModuleCreateInfo createInfo = {};
|
---|
| 739 | createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
|
---|
| 740 | createInfo.codeSize = code.size();
|
---|
| 741 | createInfo.pCode = reinterpret_cast<const uint32_t*>(code.data());
|
---|
| 742 |
|
---|
| 743 | VkShaderModule shaderModule;
|
---|
| 744 | if (vkCreateShaderModule(device, &createInfo, nullptr, &shaderModule) != VK_SUCCESS) {
|
---|
| 745 | throw runtime_error("failed to create shader module!");
|
---|
| 746 | }
|
---|
| 747 |
|
---|
| 748 | return shaderModule;
|
---|
[4befb76] | 749 | }
|
---|
| 750 |
|
---|
[ebeb3aa] | 751 | void createFramebuffers() {
|
---|
| 752 | swapChainFramebuffers.resize(swapChainImageViews.size());
|
---|
| 753 |
|
---|
| 754 | for (size_t i = 0; i < swapChainImageViews.size(); i++) {
|
---|
| 755 | VkImageView attachments[] = {
|
---|
| 756 | swapChainImageViews[i]
|
---|
| 757 | };
|
---|
| 758 |
|
---|
| 759 | VkFramebufferCreateInfo framebufferInfo = {};
|
---|
| 760 | framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
|
---|
| 761 | framebufferInfo.renderPass = renderPass;
|
---|
| 762 | framebufferInfo.attachmentCount = 1;
|
---|
| 763 | framebufferInfo.pAttachments = attachments;
|
---|
| 764 | framebufferInfo.width = swapChainExtent.width;
|
---|
| 765 | framebufferInfo.height = swapChainExtent.height;
|
---|
| 766 | framebufferInfo.layers = 1;
|
---|
| 767 |
|
---|
| 768 | if (vkCreateFramebuffer(device, &framebufferInfo, nullptr, &swapChainFramebuffers[i]) != VK_SUCCESS) {
|
---|
| 769 | throw runtime_error("failed to create framebuffer!");
|
---|
| 770 | }
|
---|
| 771 | }
|
---|
| 772 | }
|
---|
| 773 |
|
---|
[47bff4c] | 774 | void createCommandPool() {
|
---|
| 775 | QueueFamilyIndices queueFamilyIndices = findQueueFamilies(physicalDevice);
|
---|
| 776 |
|
---|
| 777 | VkCommandPoolCreateInfo poolInfo = {};
|
---|
| 778 | poolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
|
---|
| 779 | poolInfo.queueFamilyIndex = queueFamilyIndices.graphicsFamily.value();
|
---|
| 780 | poolInfo.flags = 0;
|
---|
| 781 |
|
---|
| 782 | if (vkCreateCommandPool(device, &poolInfo, nullptr, &commandPool) != VK_SUCCESS) {
|
---|
| 783 | throw runtime_error("failed to create command pool!");
|
---|
| 784 | }
|
---|
| 785 | }
|
---|
| 786 |
|
---|
| 787 | void createCommandBuffers() {
|
---|
| 788 | commandBuffers.resize(swapChainFramebuffers.size());
|
---|
| 789 |
|
---|
| 790 | VkCommandBufferAllocateInfo allocInfo = {};
|
---|
| 791 | allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
|
---|
| 792 | allocInfo.commandPool = commandPool;
|
---|
| 793 | allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
|
---|
| 794 | allocInfo.commandBufferCount = (uint32_t)commandBuffers.size();
|
---|
| 795 |
|
---|
| 796 | if (vkAllocateCommandBuffers(device, &allocInfo, commandBuffers.data()) != VK_SUCCESS) {
|
---|
| 797 | throw runtime_error("failed to create command buffers!");
|
---|
| 798 | }
|
---|
| 799 |
|
---|
| 800 | for (size_t i = 0; i < commandBuffers.size(); i++) {
|
---|
| 801 | VkCommandBufferBeginInfo beginInfo = {};
|
---|
| 802 | beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
|
---|
| 803 | beginInfo.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT;
|
---|
| 804 | beginInfo.pInheritanceInfo = nullptr;
|
---|
| 805 |
|
---|
| 806 | if (vkBeginCommandBuffer(commandBuffers[i], &beginInfo) != VK_SUCCESS) {
|
---|
| 807 | throw runtime_error("failed to begin recording command buffer!");
|
---|
| 808 | }
|
---|
| 809 |
|
---|
| 810 | VkRenderPassBeginInfo renderPassInfo = {};
|
---|
| 811 | renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
|
---|
| 812 | renderPassInfo.renderPass = renderPass;
|
---|
| 813 | renderPassInfo.framebuffer = swapChainFramebuffers[i];
|
---|
| 814 | renderPassInfo.renderArea.offset = { 0, 0 };
|
---|
| 815 | renderPassInfo.renderArea.extent = swapChainExtent;
|
---|
| 816 |
|
---|
| 817 | VkClearValue clearColor = { 0.0f, 0.0f, 0.0f, 1.0f };
|
---|
| 818 | renderPassInfo.clearValueCount = 1;
|
---|
| 819 | renderPassInfo.pClearValues = &clearColor;
|
---|
| 820 |
|
---|
| 821 | vkCmdBeginRenderPass(commandBuffers[i], &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
|
---|
| 822 | vkCmdBindPipeline(commandBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
|
---|
| 823 | vkCmdDraw(commandBuffers[i], 3, 1, 0, 0);
|
---|
| 824 | vkCmdEndRenderPass(commandBuffers[i]);
|
---|
| 825 |
|
---|
| 826 | if (vkEndCommandBuffer(commandBuffers[i]) != VK_SUCCESS) {
|
---|
| 827 | throw runtime_error("failed to record command buffer!");
|
---|
| 828 | }
|
---|
| 829 | }
|
---|
| 830 | }
|
---|
| 831 |
|
---|
| 832 | void createSyncObjects() {
|
---|
| 833 | imageAvailableSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
|
---|
| 834 | renderFinishedSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
|
---|
| 835 | inFlightFences.resize(MAX_FRAMES_IN_FLIGHT);
|
---|
| 836 |
|
---|
| 837 | VkSemaphoreCreateInfo semaphoreInfo = {};
|
---|
| 838 | semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
|
---|
| 839 |
|
---|
| 840 | VkFenceCreateInfo fenceInfo = {};
|
---|
| 841 | fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
|
---|
| 842 | fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
|
---|
| 843 |
|
---|
| 844 | for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
|
---|
| 845 | if (vkCreateSemaphore(device, &semaphoreInfo, nullptr, &imageAvailableSemaphores[i]) != VK_SUCCESS ||
|
---|
| 846 | vkCreateSemaphore(device, &semaphoreInfo, nullptr, &renderFinishedSemaphores[i]) != VK_SUCCESS ||
|
---|
| 847 | vkCreateFence(device, &fenceInfo, nullptr, &inFlightFences[i]) != VK_SUCCESS) {
|
---|
| 848 | throw runtime_error("failed to create synchronization objects for a frame!");
|
---|
| 849 | }
|
---|
| 850 | }
|
---|
| 851 | }
|
---|
| 852 |
|
---|
[826df16] | 853 | void mainLoop() {
|
---|
| 854 | // TODO: Create some generic event-handling functions in game-gui-*
|
---|
| 855 | SDL_Event e;
|
---|
| 856 | bool quit = false;
|
---|
| 857 |
|
---|
[7dcd925] | 858 | while (!quit) {
|
---|
[826df16] | 859 | while (SDL_PollEvent(&e)) {
|
---|
| 860 | if (e.type == SDL_QUIT) {
|
---|
| 861 | quit = true;
|
---|
| 862 | }
|
---|
| 863 | if (e.type == SDL_KEYDOWN) {
|
---|
| 864 | quit = true;
|
---|
| 865 | }
|
---|
| 866 | if (e.type == SDL_MOUSEBUTTONDOWN) {
|
---|
| 867 | quit = true;
|
---|
| 868 | }
|
---|
[47bff4c] | 869 | }
|
---|
[321272c] | 870 |
|
---|
[47bff4c] | 871 | drawFrame();
|
---|
[321272c] | 872 |
|
---|
[47bff4c] | 873 | //SDL_FillRect(sdlSurface, nullptr, SDL_MapRGB(sdlSurface->format, 0x00, 0x99, 0x99));
|
---|
| 874 | //SDL_UpdateWindowSurface(window);
|
---|
| 875 | }
|
---|
| 876 |
|
---|
| 877 | vkDeviceWaitIdle(device);
|
---|
| 878 | }
|
---|
| 879 |
|
---|
| 880 | void drawFrame() {
|
---|
| 881 | vkWaitForFences(device, 1, &inFlightFences[currentFrame], VK_TRUE, numeric_limits<uint64_t>::max());
|
---|
| 882 | vkResetFences(device, 1, &inFlightFences[currentFrame]);
|
---|
| 883 |
|
---|
| 884 | uint32_t imageIndex;
|
---|
| 885 |
|
---|
| 886 | vkAcquireNextImageKHR(device, swapChain, numeric_limits<uint64_t>::max(), imageAvailableSemaphores[currentFrame], VK_NULL_HANDLE, &imageIndex);
|
---|
| 887 |
|
---|
| 888 | VkSubmitInfo submitInfo = {};
|
---|
| 889 | submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
|
---|
| 890 |
|
---|
| 891 | VkSemaphore waitSemaphores[] = { imageAvailableSemaphores[currentFrame] };
|
---|
| 892 | VkPipelineStageFlags waitStages[] = { VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT };
|
---|
| 893 |
|
---|
| 894 | submitInfo.waitSemaphoreCount = 1;
|
---|
| 895 | submitInfo.pWaitSemaphores = waitSemaphores;
|
---|
| 896 | submitInfo.pWaitDstStageMask = waitStages;
|
---|
| 897 | submitInfo.commandBufferCount = 1;
|
---|
| 898 | submitInfo.pCommandBuffers = &commandBuffers[imageIndex];
|
---|
| 899 |
|
---|
| 900 | VkSemaphore signalSemaphores[] = { renderFinishedSemaphores[currentFrame] };
|
---|
| 901 |
|
---|
| 902 | submitInfo.signalSemaphoreCount = 1;
|
---|
| 903 | submitInfo.pSignalSemaphores = signalSemaphores;
|
---|
| 904 |
|
---|
| 905 | if (vkQueueSubmit(graphicsQueue, 1, &submitInfo, inFlightFences[currentFrame]) != VK_SUCCESS) {
|
---|
| 906 | throw runtime_error("failed to submit draw command buffer!");
|
---|
[bfd620e] | 907 | }
|
---|
[47bff4c] | 908 |
|
---|
| 909 | VkPresentInfoKHR presentInfo = {};
|
---|
| 910 | presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
|
---|
| 911 |
|
---|
| 912 | presentInfo.waitSemaphoreCount = 1;
|
---|
| 913 | presentInfo.pWaitSemaphores = signalSemaphores;
|
---|
| 914 |
|
---|
| 915 | VkSwapchainKHR swapChains[] = { swapChain };
|
---|
| 916 | presentInfo.swapchainCount = 1;
|
---|
| 917 | presentInfo.pSwapchains = swapChains;
|
---|
| 918 | presentInfo.pImageIndices = &imageIndex;
|
---|
| 919 | presentInfo.pResults = nullptr;
|
---|
| 920 |
|
---|
| 921 | vkQueuePresentKHR(presentQueue, &presentInfo);
|
---|
| 922 |
|
---|
| 923 | currentFrame = (currentFrame + 1) % MAX_FRAMES_IN_FLIGHT;
|
---|
[826df16] | 924 | }
|
---|
| 925 |
|
---|
| 926 | void cleanup() {
|
---|
[47bff4c] | 927 | for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
|
---|
| 928 | vkDestroySemaphore(device, imageAvailableSemaphores[i], nullptr);
|
---|
| 929 | vkDestroySemaphore(device, renderFinishedSemaphores[i], nullptr);
|
---|
| 930 | vkDestroyFence(device, inFlightFences[i], nullptr);
|
---|
| 931 | }
|
---|
| 932 |
|
---|
| 933 | vkDestroyCommandPool(device, commandPool, nullptr);
|
---|
| 934 |
|
---|
[ebeb3aa] | 935 | for (auto framebuffer : swapChainFramebuffers) {
|
---|
| 936 | vkDestroyFramebuffer(device, framebuffer, nullptr);
|
---|
| 937 | }
|
---|
| 938 |
|
---|
[fd70015] | 939 | vkDestroyPipeline(device, graphicsPipeline, nullptr);
|
---|
[84216c7] | 940 | vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
|
---|
[be34c9a] | 941 | vkDestroyRenderPass(device, renderPass, nullptr);
|
---|
[84216c7] | 942 |
|
---|
[bfd620e] | 943 | for (auto imageView : swapChainImageViews) {
|
---|
| 944 | vkDestroyImageView(device, imageView, nullptr);
|
---|
| 945 | }
|
---|
| 946 |
|
---|
| 947 | vkDestroySwapchainKHR(device, swapChain, nullptr);
|
---|
[909b51a] | 948 | vkDestroyDevice(device, nullptr);
|
---|
| 949 |
|
---|
[80de39d] | 950 | if (enableValidationLayers) {
|
---|
| 951 | DestroyDebugUtilsMessengerEXT(instance, debugMessenger, nullptr);
|
---|
| 952 | }
|
---|
| 953 |
|
---|
[b3671b5] | 954 | vkDestroySurfaceKHR(instance, surface, nullptr);
|
---|
[826df16] | 955 | vkDestroyInstance(instance, nullptr);
|
---|
| 956 |
|
---|
| 957 | // TODO: Move this into some generic method in game-gui-sdl
|
---|
| 958 | SDL_DestroyWindow(window);
|
---|
| 959 |
|
---|
[98f3232] | 960 | gui->Shutdown();
|
---|
| 961 | delete gui;
|
---|
[826df16] | 962 | }
|
---|
[e09ad38] | 963 |
|
---|
| 964 | static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(
|
---|
| 965 | VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
|
---|
| 966 | VkDebugUtilsMessageTypeFlagsEXT messageType,
|
---|
| 967 | const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
|
---|
| 968 | void* pUserData) {
|
---|
| 969 | cerr << "validation layer: " << pCallbackData->pMessage << endl;
|
---|
| 970 |
|
---|
| 971 | return VK_FALSE;
|
---|
| 972 | }
|
---|
| 973 |
|
---|
| 974 | static vector<char> readFile(const string& filename) {
|
---|
| 975 | ifstream file(filename, ios::ate | ios::binary);
|
---|
| 976 |
|
---|
| 977 | if (!file.is_open()) {
|
---|
| 978 | throw runtime_error("failed to open file!");
|
---|
| 979 | }
|
---|
| 980 |
|
---|
| 981 | size_t fileSize = (size_t)file.tellg();
|
---|
| 982 | vector<char> buffer(fileSize);
|
---|
| 983 |
|
---|
| 984 | file.seekg(0);
|
---|
| 985 | file.read(buffer.data(), fileSize);
|
---|
| 986 |
|
---|
| 987 | file.close();
|
---|
| 988 |
|
---|
| 989 | return buffer;
|
---|
| 990 | }
|
---|
[826df16] | 991 | };
|
---|
| 992 |
|
---|
[1c6cd5e] | 993 | int main(int argc, char* argv[]) {
|
---|
[826df16] | 994 |
|
---|
[b6127d2] | 995 | #ifdef NDEBUG
|
---|
| 996 | cout << "DEBUGGING IS OFF" << endl;
|
---|
| 997 | #else
|
---|
| 998 | cout << "DEBUGGING IS ON" << endl;
|
---|
| 999 | #endif
|
---|
[a8f0577] | 1000 |
|
---|
[bfd620e] | 1001 | glm::mat4 matrix;
|
---|
| 1002 | glm::vec4 vec;
|
---|
| 1003 | glm::vec4 test = matrix * vec;
|
---|
[826df16] | 1004 |
|
---|
| 1005 | cout << "Starting Vulkan game..." << endl;
|
---|
| 1006 |
|
---|
| 1007 | VulkanGame game;
|
---|
| 1008 |
|
---|
| 1009 | try {
|
---|
| 1010 | game.run();
|
---|
| 1011 | } catch (const exception& e) {
|
---|
| 1012 | cerr << e.what() << endl;
|
---|
| 1013 | return EXIT_FAILURE;
|
---|
| 1014 | }
|
---|
[03f4c64] | 1015 |
|
---|
[826df16] | 1016 | cout << "Finished running the game" << endl;
|
---|
[03f4c64] | 1017 |
|
---|
[826df16] | 1018 | return EXIT_SUCCESS;
|
---|
[03f4c64] | 1019 | }
|
---|