[0e6ecf3] | 1 | #include "game-gui-glfw.hpp"
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[03f4c64] | 2 |
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[0e6ecf3] | 3 | #include "game-gui-sdl.hpp"
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[826df16] | 4 |
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| 5 | //#define _USE_MATH_DEFINES // Will be needed when/if I need to # include <cmath>
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[03f4c64] | 6 |
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| 7 | #define GLM_FORCE_RADIANS
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| 8 | #define GLM_FORCE_DEPTH_ZERO_TO_ONE
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| 9 | #include <glm/vec4.hpp>
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| 10 | #include <glm/mat4x4.hpp>
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| 11 |
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[0e6ecf3] | 12 | #include <fstream>
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[03f4c64] | 13 | #include <iostream>
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[909b51a] | 14 | #include <optional>
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[0e6ecf3] | 15 | #include <set>
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| 16 | #include <vector>
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[03f4c64] | 17 |
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| 18 | using namespace std;
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[bfd620e] | 19 | //using namespace glm;
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[03f4c64] | 20 |
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[826df16] | 21 | const int SCREEN_WIDTH = 800;
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| 22 | const int SCREEN_HEIGHT = 600;
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| 23 |
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[47bff4c] | 24 | const int MAX_FRAMES_IN_FLIGHT = 2;
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| 25 |
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[826df16] | 26 | #ifdef NDEBUG
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| 27 | const bool enableValidationLayers = false;
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| 28 | #else
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| 29 | const bool enableValidationLayers = true;
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| 30 | #endif
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| 31 |
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[bfd620e] | 32 | const vector<const char*> validationLayers = {
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| 33 | "VK_LAYER_KHRONOS_validation"
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| 34 | };
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| 35 |
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| 36 | const vector<const char*> deviceExtensions = {
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| 37 | VK_KHR_SWAPCHAIN_EXTENSION_NAME
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| 38 | };
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| 39 |
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[909b51a] | 40 | struct QueueFamilyIndices {
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| 41 | optional<uint32_t> graphicsFamily;
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[b3671b5] | 42 | optional<uint32_t> presentFamily;
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[909b51a] | 43 |
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| 44 | bool isComplete() {
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[b3671b5] | 45 | return graphicsFamily.has_value() && presentFamily.has_value();
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[909b51a] | 46 | }
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| 47 | };
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| 48 |
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[bfd620e] | 49 | struct SwapChainSupportDetails {
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| 50 | VkSurfaceCapabilitiesKHR capabilities;
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| 51 | vector<VkSurfaceFormatKHR> formats;
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| 52 | vector<VkPresentModeKHR> presentModes;
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| 53 | };
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| 54 |
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[b6127d2] | 55 | VkResult CreateDebugUtilsMessengerEXT(VkInstance instance,
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| 56 | const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo,
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| 57 | const VkAllocationCallbacks* pAllocator,
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| 58 | VkDebugUtilsMessengerEXT* pDebugMessenger) {
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| 59 | auto func = (PFN_vkCreateDebugUtilsMessengerEXT) vkGetInstanceProcAddr(
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| 60 | instance, "vkCreateDebugUtilsMessengerEXT");
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| 61 |
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| 62 | if (func != nullptr) {
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| 63 | return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
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| 64 | } else {
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| 65 | return VK_ERROR_EXTENSION_NOT_PRESENT;
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| 66 | }
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| 67 | }
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| 68 |
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[80de39d] | 69 | void DestroyDebugUtilsMessengerEXT(VkInstance instance,
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| 70 | VkDebugUtilsMessengerEXT debugMessenger,
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| 71 | const VkAllocationCallbacks* pAllocator) {
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| 72 | auto func = (PFN_vkDestroyDebugUtilsMessengerEXT) vkGetInstanceProcAddr(
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| 73 | instance, "vkDestroyDebugUtilsMessengerEXT");
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| 74 |
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| 75 | if (func != nullptr) {
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| 76 | func(instance, debugMessenger, pAllocator);
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| 77 | }
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| 78 | }
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| 79 |
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[826df16] | 80 | class VulkanGame {
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| 81 | public:
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| 82 | void run() {
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| 83 | if (initWindow() == RTWO_ERROR) {
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| 84 | return;
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| 85 | }
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| 86 | initVulkan();
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| 87 | mainLoop();
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| 88 | cleanup();
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| 89 | }
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| 90 | private:
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[98f3232] | 91 | GameGui* gui = new GameGui_SDL();
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[80de39d] | 92 | SDL_Window* window = nullptr;
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[826df16] | 93 |
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| 94 | VkInstance instance;
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[b6127d2] | 95 | VkDebugUtilsMessengerEXT debugMessenger;
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[b3671b5] | 96 | VkSurfaceKHR surface;
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[321272c] | 97 | SDL_Surface* sdlSurface = nullptr;
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[b3671b5] | 98 |
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[909b51a] | 99 | VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
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| 100 | VkDevice device;
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[b3671b5] | 101 |
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[909b51a] | 102 | VkQueue graphicsQueue;
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[b3671b5] | 103 | VkQueue presentQueue;
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[826df16] | 104 |
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[bfd620e] | 105 | VkSwapchainKHR swapChain;
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| 106 | vector<VkImage> swapChainImages;
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| 107 | VkFormat swapChainImageFormat;
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| 108 | VkExtent2D swapChainExtent;
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| 109 |
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| 110 | vector<VkImageView> swapChainImageViews;
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[be34c9a] | 111 | VkRenderPass renderPass;
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[84216c7] | 112 | VkPipelineLayout pipelineLayout;
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[fd70015] | 113 | VkPipeline graphicsPipeline;
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[47bff4c] | 114 | VkCommandPool commandPool;
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[bfd620e] | 115 |
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[ebeb3aa] | 116 | vector<VkFramebuffer> swapChainFramebuffers;
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[47bff4c] | 117 | vector<VkCommandBuffer> commandBuffers;
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| 118 |
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| 119 | vector<VkSemaphore> imageAvailableSemaphores;
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| 120 | vector<VkSemaphore> renderFinishedSemaphores;
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| 121 | vector<VkFence> inFlightFences;
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| 122 |
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| 123 | size_t currentFrame = 0;
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[ebeb3aa] | 124 |
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[75108ef] | 125 | bool framebufferResized = false;
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| 126 |
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[826df16] | 127 | // both SDL and GLFW create window functions return NULL on failure
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| 128 | bool initWindow() {
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[98f3232] | 129 | if (gui->Init() == RTWO_ERROR) {
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[826df16] | 130 | cout << "UI library could not be initialized!" << endl;
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| 131 | return RTWO_ERROR;
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| 132 | } else {
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[0e6ecf3] | 133 | window = (SDL_Window*) gui->CreateWindow("Vulkan Game", SCREEN_WIDTH, SCREEN_HEIGHT);
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[826df16] | 134 |
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[80de39d] | 135 | if (window == nullptr) {
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[826df16] | 136 | cout << "Window could not be created!" << endl;
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| 137 | return RTWO_ERROR;
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| 138 | } else {
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| 139 | return RTWO_SUCCESS;
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| 140 | }
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| 141 | }
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| 142 | }
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| 143 |
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| 144 | void initVulkan() {
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| 145 | createInstance();
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[7dcd925] | 146 | setupDebugMessenger();
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[b3671b5] | 147 | createSurface();
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[909b51a] | 148 | pickPhysicalDevice();
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| 149 | createLogicalDevice();
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[bfd620e] | 150 | createSwapChain();
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| 151 | createImageViews();
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[be34c9a] | 152 | createRenderPass();
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[4befb76] | 153 | createGraphicsPipeline();
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[ebeb3aa] | 154 | createFramebuffers();
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[47bff4c] | 155 | createCommandPool();
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| 156 | createCommandBuffers();
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| 157 | createSyncObjects();
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[826df16] | 158 | }
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| 159 |
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[75108ef] | 160 | void recreateSwapChain() {
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| 161 | int width = 0, height = 0;
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| 162 | SDL_GetWindowSize(window, &width, &height);
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| 163 |
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| 164 | while (width == 0 || height == 0 ||
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| 165 | (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED) != 0) {
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| 166 | SDL_WaitEvent(nullptr);
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| 167 | SDL_GetWindowSize(window, &width, &height);
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| 168 | }
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| 169 |
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| 170 | vkDeviceWaitIdle(device);
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| 171 |
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| 172 | cleanupSwapChain();
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| 173 |
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| 174 | createSwapChain();
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| 175 | createImageViews();
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| 176 | createRenderPass();
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| 177 | createGraphicsPipeline();
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| 178 | createFramebuffers();
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| 179 | createCommandBuffers();
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| 180 | }
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| 181 |
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| 182 | void cleanupSwapChain() {
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| 183 | for (auto framebuffer : swapChainFramebuffers) {
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| 184 | vkDestroyFramebuffer(device, framebuffer, nullptr);
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| 185 | }
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| 186 |
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| 187 | vkFreeCommandBuffers(device, commandPool, static_cast<uint32_t>(commandBuffers.size()), commandBuffers.data());
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| 188 |
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| 189 | vkDestroyPipeline(device, graphicsPipeline, nullptr);
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| 190 | vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
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| 191 | vkDestroyRenderPass(device, renderPass, nullptr);
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| 192 |
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| 193 | for (auto imageView : swapChainImageViews) {
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| 194 | vkDestroyImageView(device, imageView, nullptr);
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| 195 | }
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| 196 |
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| 197 | vkDestroySwapchainKHR(device, swapChain, nullptr);
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| 198 | }
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| 199 |
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[826df16] | 200 | void createInstance() {
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[b6127d2] | 201 | if (enableValidationLayers && !checkValidationLayerSupport()) {
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| 202 | throw runtime_error("validation layers requested, but not available!");
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| 203 | }
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| 204 |
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[826df16] | 205 | VkApplicationInfo appInfo = {};
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| 206 | appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
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| 207 | appInfo.pApplicationName = "Vulkan Game";
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| 208 | appInfo.applicationVersion = VK_MAKE_VERSION(1, 0, 0);
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| 209 | appInfo.pEngineName = "No Engine";
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| 210 | appInfo.engineVersion = VK_MAKE_VERSION(1, 0, 0);
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| 211 | appInfo.apiVersion = VK_API_VERSION_1_0;
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| 212 |
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| 213 | VkInstanceCreateInfo createInfo = {};
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| 214 | createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
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| 215 | createInfo.pApplicationInfo = &appInfo;
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| 216 |
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[a8f0577] | 217 | vector<const char*> extensions = getRequiredExtensions();
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[b6127d2] | 218 | createInfo.enabledExtensionCount = static_cast<uint32_t>(extensions.size());
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| 219 | createInfo.ppEnabledExtensionNames = extensions.data();
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[826df16] | 220 |
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[b3671b5] | 221 | cout << endl << "SDL extensions:" << endl;
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| 222 | for (const char* extensionName : extensions) {
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| 223 | cout << extensionName << endl;
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| 224 | }
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| 225 | cout << endl;
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| 226 |
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[80de39d] | 227 | VkDebugUtilsMessengerCreateInfoEXT debugCreateInfo;
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[b6127d2] | 228 | if (enableValidationLayers) {
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| 229 | createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
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| 230 | createInfo.ppEnabledLayerNames = validationLayers.data();
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[80de39d] | 231 |
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| 232 | populateDebugMessengerCreateInfo(debugCreateInfo);
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| 233 | createInfo.pNext = &debugCreateInfo;
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[b6127d2] | 234 | } else {
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| 235 | createInfo.enabledLayerCount = 0;
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[80de39d] | 236 |
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| 237 | createInfo.pNext = nullptr;
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[b6127d2] | 238 | }
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[826df16] | 239 |
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| 240 | if (vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS) {
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| 241 | throw runtime_error("failed to create instance!");
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| 242 | }
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| 243 | }
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| 244 |
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[80de39d] | 245 | void setupDebugMessenger() {
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| 246 | if (!enableValidationLayers) return;
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| 247 |
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| 248 | VkDebugUtilsMessengerCreateInfoEXT createInfo;
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| 249 | populateDebugMessengerCreateInfo(createInfo);
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[b6127d2] | 250 |
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| 251 | if (CreateDebugUtilsMessengerEXT(instance, &createInfo, nullptr, &debugMessenger) != VK_SUCCESS) {
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| 252 | throw runtime_error("failed to setup debug messenger!");
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| 253 | }
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| 254 | }
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| 255 |
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[b3671b5] | 256 | void createSurface() {
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[321272c] | 257 | sdlSurface = SDL_GetWindowSurface(window);
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| 258 |
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| 259 | if (sdlSurface == nullptr) {
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| 260 | cout << "Could not get SDL Surface! =(" << endl;
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| 261 | }
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[b3671b5] | 262 |
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[0e6ecf3] | 263 | if (gui->CreateVulkanSurface(instance, &surface) == RTWO_ERROR) {
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[b3671b5] | 264 | throw runtime_error("failed to create window surface!");
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| 265 | }
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| 266 | }
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| 267 |
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[909b51a] | 268 | void pickPhysicalDevice() {
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| 269 | uint32_t deviceCount = 0;
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| 270 | vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
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| 271 |
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| 272 | if (deviceCount == 0) {
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| 273 | throw runtime_error("failed to find GPUs with Vulkan support!");
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| 274 | }
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| 275 |
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| 276 | vector<VkPhysicalDevice> devices(deviceCount);
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| 277 | vkEnumeratePhysicalDevices(instance, &deviceCount, devices.data());
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| 278 |
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| 279 | cout << endl << "Graphics cards:" << endl;
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| 280 | for (const VkPhysicalDevice& device : devices) {
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| 281 | if (isDeviceSuitable(device)) {
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| 282 | physicalDevice = device;
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| 283 | break;
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| 284 | }
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| 285 | }
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| 286 | cout << endl;
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| 287 |
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| 288 | if (physicalDevice == VK_NULL_HANDLE) {
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| 289 | throw runtime_error("failed to find a suitable GPU!");
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| 290 | }
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| 291 | }
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| 292 |
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| 293 | bool isDeviceSuitable(VkPhysicalDevice device) {
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| 294 | VkPhysicalDeviceProperties deviceProperties;
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| 295 | VkPhysicalDeviceFeatures deviceFeatures;
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| 296 |
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| 297 | vkGetPhysicalDeviceProperties(device, &deviceProperties);
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| 298 | vkGetPhysicalDeviceFeatures(device, &deviceFeatures);
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| 299 |
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| 300 | cout << "Device: " << deviceProperties.deviceName << endl;
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| 301 |
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| 302 | QueueFamilyIndices indices = findQueueFamilies(device);
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| 303 |
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[bfd620e] | 304 | bool extensionsSupported = checkDeviceExtensionSupport(device);
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| 305 |
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| 306 | bool swapChainAdequate = false;
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| 307 |
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| 308 | if (extensionsSupported) {
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| 309 | SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device);
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| 310 | swapChainAdequate = !swapChainSupport.formats.empty() && !swapChainSupport.presentModes.empty();
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| 311 | }
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| 312 |
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| 313 | return indices.isComplete() && extensionsSupported && swapChainAdequate;
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| 314 | }
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| 315 |
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| 316 | bool checkDeviceExtensionSupport(VkPhysicalDevice device) {
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| 317 | uint32_t extensionCount;
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| 318 | vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, nullptr);
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| 319 |
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| 320 | vector<VkExtensionProperties> availableExtensions(extensionCount);
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| 321 | vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, availableExtensions.data());
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| 322 |
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| 323 | set<string> requiredExtensions(deviceExtensions.begin(), deviceExtensions.end());
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| 324 |
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| 325 | for (const auto& extension : availableExtensions) {
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| 326 | requiredExtensions.erase(extension.extensionName);
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| 327 | }
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| 328 |
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| 329 | return requiredExtensions.empty();
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[909b51a] | 330 | }
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| 331 |
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| 332 | void createLogicalDevice() {
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| 333 | QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
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| 334 |
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[b3671b5] | 335 | vector<VkDeviceQueueCreateInfo> queueCreateInfos;
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| 336 | set<uint32_t> uniqueQueueFamilies = {indices.graphicsFamily.value(), indices.presentFamily.value()};
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[909b51a] | 337 |
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| 338 | float queuePriority = 1.0f;
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[b3671b5] | 339 | for (uint32_t queueFamily : uniqueQueueFamilies) {
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| 340 | VkDeviceQueueCreateInfo queueCreateInfo = {};
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| 341 |
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| 342 | queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
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| 343 | queueCreateInfo.queueFamilyIndex = queueFamily;
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| 344 | queueCreateInfo.queueCount = 1;
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| 345 | queueCreateInfo.pQueuePriorities = &queuePriority;
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| 346 |
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| 347 | queueCreateInfos.push_back(queueCreateInfo);
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| 348 | }
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[909b51a] | 349 |
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| 350 | VkPhysicalDeviceFeatures deviceFeatures = {};
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| 351 |
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| 352 | VkDeviceCreateInfo createInfo = {};
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| 353 | createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
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| 354 |
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[b3671b5] | 355 | createInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());;
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| 356 | createInfo.pQueueCreateInfos = queueCreateInfos.data();
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[909b51a] | 357 |
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| 358 | createInfo.pEnabledFeatures = &deviceFeatures;
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| 359 |
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[bfd620e] | 360 | createInfo.enabledExtensionCount = static_cast<uint32_t>(deviceExtensions.size());
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| 361 | createInfo.ppEnabledExtensionNames = deviceExtensions.data();
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[909b51a] | 362 |
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| 363 | // These fields are ignored by up-to-date Vulkan implementations,
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| 364 | // but it's a good idea to set them for backwards compatibility
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| 365 | if (enableValidationLayers) {
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| 366 | createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
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| 367 | createInfo.ppEnabledLayerNames = validationLayers.data();
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| 368 | } else {
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| 369 | createInfo.enabledLayerCount = 0;
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| 370 | }
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| 371 |
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| 372 | if (vkCreateDevice(physicalDevice, &createInfo, nullptr, &device) != VK_SUCCESS) {
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| 373 | throw runtime_error("failed to create logical device!");
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| 374 | }
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| 375 |
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| 376 | vkGetDeviceQueue(device, indices.graphicsFamily.value(), 0, &graphicsQueue);
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[b3671b5] | 377 | vkGetDeviceQueue(device, indices.presentFamily.value(), 0, &presentQueue);
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[909b51a] | 378 | }
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| 379 |
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[a8f0577] | 380 | bool checkValidationLayerSupport() {
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| 381 | uint32_t layerCount;
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| 382 | vkEnumerateInstanceLayerProperties(&layerCount, nullptr);
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| 383 |
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| 384 | vector<VkLayerProperties> availableLayers(layerCount);
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| 385 | vkEnumerateInstanceLayerProperties(&layerCount, availableLayers.data());
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| 386 |
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| 387 | for (const char* layerName : validationLayers) {
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| 388 | bool layerFound = false;
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| 389 |
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| 390 | for (const auto& layerProperties : availableLayers) {
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| 391 | if (strcmp(layerName, layerProperties.layerName) == 0) {
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| 392 | layerFound = true;
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| 393 | break;
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| 394 | }
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| 395 | }
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| 396 |
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| 397 | if (!layerFound) {
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| 398 | return false;
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| 399 | }
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| 400 | }
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| 401 |
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| 402 | return true;
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| 403 | }
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| 404 |
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[909b51a] | 405 | QueueFamilyIndices findQueueFamilies(VkPhysicalDevice device) {
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| 406 | QueueFamilyIndices indices;
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| 407 |
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| 408 | uint32_t queueFamilyCount = 0;
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| 409 | vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, nullptr);
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| 410 |
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| 411 | vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
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| 412 | vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, queueFamilies.data());
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| 413 |
|
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| 414 | int i = 0;
|
---|
| 415 | for (const auto& queueFamily : queueFamilies) {
|
---|
| 416 | if (queueFamily.queueCount > 0 && queueFamily.queueFlags & VK_QUEUE_GRAPHICS_BIT) {
|
---|
| 417 | indices.graphicsFamily = i;
|
---|
| 418 | }
|
---|
| 419 |
|
---|
[b3671b5] | 420 | VkBool32 presentSupport = false;
|
---|
| 421 | vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, &presentSupport);
|
---|
| 422 |
|
---|
| 423 | if (queueFamily.queueCount > 0 && presentSupport) {
|
---|
| 424 | indices.presentFamily = i;
|
---|
| 425 | }
|
---|
| 426 |
|
---|
[909b51a] | 427 | if (indices.isComplete()) {
|
---|
| 428 | break;
|
---|
| 429 | }
|
---|
| 430 |
|
---|
| 431 | i++;
|
---|
| 432 | }
|
---|
| 433 |
|
---|
| 434 | return indices;
|
---|
| 435 | }
|
---|
| 436 |
|
---|
[bfd620e] | 437 | SwapChainSupportDetails querySwapChainSupport(VkPhysicalDevice device) {
|
---|
| 438 | SwapChainSupportDetails details;
|
---|
| 439 |
|
---|
| 440 | vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, surface, &details.capabilities);
|
---|
| 441 |
|
---|
| 442 | uint32_t formatCount;
|
---|
| 443 | vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, nullptr);
|
---|
| 444 |
|
---|
| 445 | if (formatCount != 0) {
|
---|
| 446 | details.formats.resize(formatCount);
|
---|
| 447 | vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, details.formats.data());
|
---|
| 448 | }
|
---|
| 449 |
|
---|
| 450 | uint32_t presentModeCount;
|
---|
| 451 | vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, nullptr);
|
---|
| 452 |
|
---|
| 453 | if (presentModeCount != 0) {
|
---|
| 454 | details.presentModes.resize(presentModeCount);
|
---|
| 455 | vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, details.presentModes.data());
|
---|
| 456 | }
|
---|
| 457 |
|
---|
| 458 | return details;
|
---|
| 459 | }
|
---|
| 460 |
|
---|
| 461 | VkSurfaceFormatKHR chooseSwapSurfaceFormat(const vector<VkSurfaceFormatKHR>& availableFormats) {
|
---|
| 462 | for (const auto& availableFormat : availableFormats) {
|
---|
| 463 | if (availableFormat.format == VK_FORMAT_B8G8R8A8_UNORM && availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
|
---|
| 464 | return availableFormat;
|
---|
| 465 | }
|
---|
| 466 | }
|
---|
| 467 |
|
---|
| 468 | return availableFormats[0];
|
---|
| 469 | }
|
---|
| 470 |
|
---|
| 471 | VkPresentModeKHR chooseSwapPresentMode(const vector<VkPresentModeKHR>& availablePresentModes) {
|
---|
| 472 | VkPresentModeKHR bestMode = VK_PRESENT_MODE_FIFO_KHR;
|
---|
| 473 |
|
---|
| 474 | for (const auto& availablePresentMode : availablePresentModes) {
|
---|
| 475 | if (availablePresentMode == VK_PRESENT_MODE_MAILBOX_KHR) {
|
---|
| 476 | return availablePresentMode;
|
---|
| 477 | } else if (availablePresentMode == VK_PRESENT_MODE_IMMEDIATE_KHR) {
|
---|
| 478 | bestMode = availablePresentMode;
|
---|
| 479 | }
|
---|
| 480 | }
|
---|
| 481 |
|
---|
| 482 | return bestMode;
|
---|
| 483 | }
|
---|
| 484 |
|
---|
| 485 | VkExtent2D chooseSwapExtent(const VkSurfaceCapabilitiesKHR& capabilities) {
|
---|
| 486 | if (capabilities.currentExtent.width != numeric_limits<uint32_t>::max()) {
|
---|
| 487 | return capabilities.currentExtent;
|
---|
| 488 | } else {
|
---|
[75108ef] | 489 | int width, height;
|
---|
| 490 | SDL_GetWindowSize(window, &width, &height);
|
---|
| 491 |
|
---|
| 492 | VkExtent2D actualExtent = {
|
---|
| 493 | static_cast<uint32_t>(width),
|
---|
| 494 | static_cast<uint32_t>(height)
|
---|
| 495 | };
|
---|
[bfd620e] | 496 |
|
---|
| 497 | actualExtent.width = max(capabilities.minImageExtent.width, min(capabilities.maxImageExtent.width, actualExtent.width));
|
---|
| 498 | actualExtent.height = max(capabilities.minImageExtent.height, min(capabilities.maxImageExtent.height, actualExtent.height));
|
---|
| 499 |
|
---|
| 500 | return actualExtent;
|
---|
| 501 | }
|
---|
| 502 | }
|
---|
| 503 |
|
---|
[909b51a] | 504 | void populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT& createInfo) {
|
---|
| 505 | createInfo = {};
|
---|
| 506 | createInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
|
---|
| 507 | 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;
|
---|
| 508 | 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;
|
---|
| 509 | createInfo.pfnUserCallback = debugCallback;
|
---|
| 510 | }
|
---|
| 511 |
|
---|
[a8f0577] | 512 | vector<const char*> getRequiredExtensions() {
|
---|
| 513 | uint32_t extensionCount = 0;
|
---|
| 514 | SDL_Vulkan_GetInstanceExtensions(window, &extensionCount, nullptr);
|
---|
| 515 |
|
---|
| 516 | vector<const char*> extensions(extensionCount);
|
---|
| 517 | SDL_Vulkan_GetInstanceExtensions(window, &extensionCount, extensions.data());
|
---|
| 518 |
|
---|
| 519 | if (enableValidationLayers) {
|
---|
| 520 | extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
|
---|
| 521 | }
|
---|
| 522 |
|
---|
| 523 | return extensions;
|
---|
| 524 | }
|
---|
| 525 |
|
---|
[bfd620e] | 526 | void createSwapChain() {
|
---|
| 527 | SwapChainSupportDetails swapChainSupport = querySwapChainSupport(physicalDevice);
|
---|
| 528 |
|
---|
| 529 | VkSurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(swapChainSupport.formats);
|
---|
| 530 | VkPresentModeKHR presentMode = chooseSwapPresentMode(swapChainSupport.presentModes);
|
---|
| 531 | VkExtent2D extent = chooseSwapExtent(swapChainSupport.capabilities);
|
---|
| 532 |
|
---|
| 533 | uint32_t imageCount = swapChainSupport.capabilities.minImageCount + 1;
|
---|
| 534 | if (swapChainSupport.capabilities.maxImageCount > 0 &&
|
---|
| 535 | imageCount > swapChainSupport.capabilities.maxImageCount) {
|
---|
| 536 | imageCount = swapChainSupport.capabilities.maxImageCount;
|
---|
| 537 | }
|
---|
| 538 |
|
---|
| 539 | VkSwapchainCreateInfoKHR createInfo = {};
|
---|
| 540 |
|
---|
| 541 | createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
|
---|
| 542 | createInfo.surface = surface;
|
---|
| 543 | createInfo.minImageCount = imageCount;
|
---|
| 544 | createInfo.imageFormat = surfaceFormat.format;
|
---|
| 545 | createInfo.imageColorSpace = surfaceFormat.colorSpace;
|
---|
| 546 | createInfo.imageExtent = extent;
|
---|
| 547 | createInfo.imageArrayLayers = 1;
|
---|
| 548 | createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
|
---|
| 549 |
|
---|
| 550 | QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
|
---|
| 551 | uint32_t queueFamilyIndices[] = {indices.graphicsFamily.value(), indices.presentFamily.value()};
|
---|
| 552 |
|
---|
| 553 | if (indices.graphicsFamily != indices.presentFamily) {
|
---|
| 554 | createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
|
---|
| 555 | createInfo.queueFamilyIndexCount = 2;
|
---|
| 556 | createInfo.pQueueFamilyIndices = queueFamilyIndices;
|
---|
| 557 | } else {
|
---|
| 558 | createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
|
---|
| 559 | createInfo.queueFamilyIndexCount = 0; // Optional
|
---|
| 560 | createInfo.pQueueFamilyIndices = nullptr;
|
---|
| 561 | }
|
---|
| 562 |
|
---|
| 563 | createInfo.preTransform = swapChainSupport.capabilities.currentTransform;
|
---|
| 564 | createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
|
---|
| 565 | createInfo.presentMode = presentMode;
|
---|
| 566 | createInfo.clipped = VK_TRUE;
|
---|
| 567 | createInfo.oldSwapchain = VK_NULL_HANDLE;
|
---|
| 568 |
|
---|
| 569 | if (vkCreateSwapchainKHR(device, &createInfo, nullptr, &swapChain) != VK_SUCCESS) {
|
---|
| 570 | throw runtime_error("failed to create swap chain!");
|
---|
| 571 | }
|
---|
| 572 |
|
---|
| 573 | vkGetSwapchainImagesKHR(device, swapChain, &imageCount, nullptr);
|
---|
| 574 | swapChainImages.resize(imageCount);
|
---|
| 575 | vkGetSwapchainImagesKHR(device, swapChain, &imageCount, swapChainImages.data());
|
---|
| 576 |
|
---|
| 577 | swapChainImageFormat = surfaceFormat.format;
|
---|
| 578 | swapChainExtent = extent;
|
---|
| 579 | }
|
---|
| 580 |
|
---|
| 581 | void createImageViews() {
|
---|
| 582 | swapChainImageViews.resize(swapChainImages.size());
|
---|
| 583 |
|
---|
| 584 | for (size_t i=0; i<swapChainImages.size(); i++) {
|
---|
| 585 | VkImageViewCreateInfo createInfo = {};
|
---|
| 586 | createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
|
---|
| 587 | createInfo.image = swapChainImages[i];
|
---|
| 588 |
|
---|
| 589 | createInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
|
---|
| 590 | createInfo.format = swapChainImageFormat;
|
---|
| 591 |
|
---|
| 592 | createInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
|
---|
| 593 | createInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
|
---|
| 594 | createInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
|
---|
| 595 | createInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
|
---|
| 596 |
|
---|
| 597 | createInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
---|
| 598 | createInfo.subresourceRange.baseMipLevel = 0;
|
---|
| 599 | createInfo.subresourceRange.levelCount = 1;
|
---|
| 600 | createInfo.subresourceRange.baseArrayLayer = 0;
|
---|
| 601 | createInfo.subresourceRange.layerCount = 1;
|
---|
| 602 |
|
---|
| 603 | if (vkCreateImageView(device, &createInfo, nullptr, &swapChainImageViews[i]) != VK_SUCCESS) {
|
---|
| 604 | throw runtime_error("failed to create image views!");
|
---|
| 605 | }
|
---|
| 606 | }
|
---|
| 607 | }
|
---|
| 608 |
|
---|
[be34c9a] | 609 | void createRenderPass() {
|
---|
| 610 | VkAttachmentDescription colorAttachment = {};
|
---|
| 611 | colorAttachment.format = swapChainImageFormat;
|
---|
| 612 | colorAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
|
---|
| 613 | colorAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
---|
| 614 | colorAttachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
|
---|
| 615 | colorAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
---|
| 616 | colorAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
---|
| 617 | colorAttachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
---|
| 618 | colorAttachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
|
---|
| 619 |
|
---|
| 620 | VkAttachmentReference colorAttachmentRef = {};
|
---|
| 621 | colorAttachmentRef.attachment = 0;
|
---|
| 622 | colorAttachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
|
---|
| 623 |
|
---|
| 624 | VkSubpassDescription subpass = {};
|
---|
| 625 | subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
|
---|
| 626 | subpass.colorAttachmentCount = 1;
|
---|
| 627 | subpass.pColorAttachments = &colorAttachmentRef;
|
---|
| 628 |
|
---|
[47bff4c] | 629 | VkSubpassDependency dependency = {};
|
---|
| 630 | dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
|
---|
| 631 | dependency.dstSubpass = 0;
|
---|
| 632 | dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
---|
| 633 | dependency.srcAccessMask = 0;
|
---|
| 634 | dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
---|
| 635 | dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
|
---|
| 636 |
|
---|
[be34c9a] | 637 | VkRenderPassCreateInfo renderPassInfo = {};
|
---|
| 638 | renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
|
---|
| 639 | renderPassInfo.attachmentCount = 1;
|
---|
| 640 | renderPassInfo.pAttachments = &colorAttachment;
|
---|
| 641 | renderPassInfo.subpassCount = 1;
|
---|
| 642 | renderPassInfo.pSubpasses = &subpass;
|
---|
[47bff4c] | 643 | renderPassInfo.dependencyCount = 1;
|
---|
| 644 | renderPassInfo.pDependencies = &dependency;
|
---|
[be34c9a] | 645 |
|
---|
| 646 | if (vkCreateRenderPass(device, &renderPassInfo, nullptr, &renderPass) != VK_SUCCESS) {
|
---|
| 647 | throw runtime_error("failed to create render pass!");
|
---|
| 648 | }
|
---|
| 649 | }
|
---|
| 650 |
|
---|
[4befb76] | 651 | void createGraphicsPipeline() {
|
---|
[e09ad38] | 652 | auto vertShaderCode = readFile("shaders/vert.spv");
|
---|
| 653 | auto fragShaderCode = readFile("shaders/frag.spv");
|
---|
| 654 |
|
---|
| 655 | VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
|
---|
| 656 | VkShaderModule fragShaderModule = createShaderModule(fragShaderCode);
|
---|
| 657 |
|
---|
| 658 | VkPipelineShaderStageCreateInfo vertShaderStageInfo = {};
|
---|
| 659 | vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
|
---|
| 660 | vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
|
---|
| 661 | vertShaderStageInfo.module = vertShaderModule;
|
---|
| 662 | vertShaderStageInfo.pName = "main";
|
---|
| 663 |
|
---|
| 664 | VkPipelineShaderStageCreateInfo fragShaderStageInfo = {};
|
---|
| 665 | fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
|
---|
| 666 | fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
|
---|
| 667 | fragShaderStageInfo.module = fragShaderModule;
|
---|
| 668 | fragShaderStageInfo.pName = "main";
|
---|
| 669 |
|
---|
| 670 | VkPipelineShaderStageCreateInfo shaderStages[] = { vertShaderStageInfo, fragShaderStageInfo };
|
---|
| 671 |
|
---|
[84216c7] | 672 | VkPipelineVertexInputStateCreateInfo vertexInputInfo = {};
|
---|
| 673 | vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
|
---|
| 674 | vertexInputInfo.vertexBindingDescriptionCount = 0;
|
---|
| 675 | vertexInputInfo.vertexAttributeDescriptionCount = 0;
|
---|
| 676 |
|
---|
| 677 | VkPipelineInputAssemblyStateCreateInfo inputAssembly = {};
|
---|
| 678 | inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
|
---|
| 679 | inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
|
---|
| 680 | inputAssembly.primitiveRestartEnable = VK_FALSE;
|
---|
| 681 |
|
---|
| 682 | VkViewport viewport = {};
|
---|
| 683 | viewport.x = 0.0f;
|
---|
| 684 | viewport.y = 0.0f;
|
---|
| 685 | viewport.width = (float) swapChainExtent.width;
|
---|
| 686 | viewport.height = (float) swapChainExtent.height;
|
---|
| 687 | viewport.minDepth = 0.0f;
|
---|
| 688 | viewport.maxDepth = 1.0f;
|
---|
| 689 |
|
---|
| 690 | VkRect2D scissor = {};
|
---|
| 691 | scissor.offset = { 0, 0 };
|
---|
| 692 | scissor.extent = swapChainExtent;
|
---|
| 693 |
|
---|
| 694 | VkPipelineViewportStateCreateInfo viewportState = {};
|
---|
| 695 | viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
|
---|
| 696 | viewportState.viewportCount = 1;
|
---|
| 697 | viewportState.pViewports = &viewport;
|
---|
| 698 | viewportState.scissorCount = 1;
|
---|
| 699 | viewportState.pScissors = &scissor;
|
---|
| 700 |
|
---|
| 701 | VkPipelineRasterizationStateCreateInfo rasterizer = {};
|
---|
| 702 | rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
|
---|
| 703 | rasterizer.depthClampEnable = VK_FALSE;
|
---|
| 704 | rasterizer.rasterizerDiscardEnable = VK_FALSE;
|
---|
| 705 | rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
|
---|
| 706 | rasterizer.lineWidth = 1.0f;
|
---|
| 707 | rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
|
---|
| 708 | rasterizer.frontFace = VK_FRONT_FACE_CLOCKWISE;
|
---|
| 709 | rasterizer.depthBiasEnable = false;
|
---|
| 710 |
|
---|
| 711 | VkPipelineMultisampleStateCreateInfo multisampling = {};
|
---|
| 712 | multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
|
---|
| 713 | multisampling.sampleShadingEnable = VK_FALSE;
|
---|
| 714 | multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
|
---|
| 715 |
|
---|
| 716 | VkPipelineColorBlendAttachmentState colorBlendAttachment = {};
|
---|
| 717 | colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
|
---|
| 718 | colorBlendAttachment.blendEnable = VK_FALSE;
|
---|
| 719 |
|
---|
| 720 | VkPipelineColorBlendStateCreateInfo colorBlending = {};
|
---|
| 721 | colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
|
---|
| 722 | colorBlending.logicOpEnable = VK_FALSE;
|
---|
| 723 | colorBlending.logicOp = VK_LOGIC_OP_COPY;
|
---|
| 724 | colorBlending.attachmentCount = 1;
|
---|
| 725 | colorBlending.pAttachments = &colorBlendAttachment;
|
---|
| 726 | colorBlending.blendConstants[0] = 0.0f;
|
---|
| 727 | colorBlending.blendConstants[1] = 0.0f;
|
---|
| 728 | colorBlending.blendConstants[2] = 0.0f;
|
---|
| 729 | colorBlending.blendConstants[3] = 0.0f;
|
---|
| 730 |
|
---|
| 731 | VkPipelineLayoutCreateInfo pipelineLayoutInfo = {};
|
---|
| 732 | pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
|
---|
| 733 | pipelineLayoutInfo.setLayoutCount = 0;
|
---|
| 734 | pipelineLayoutInfo.pushConstantRangeCount = 0;
|
---|
| 735 |
|
---|
| 736 | if (vkCreatePipelineLayout(device, &pipelineLayoutInfo, nullptr, &pipelineLayout) != VK_SUCCESS) {
|
---|
| 737 | throw runtime_error("failed to create pipeline layout!");
|
---|
| 738 | }
|
---|
| 739 |
|
---|
[fd70015] | 740 | VkGraphicsPipelineCreateInfo pipelineInfo = {};
|
---|
| 741 | pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
|
---|
| 742 | pipelineInfo.stageCount = 2;
|
---|
| 743 | pipelineInfo.pStages = shaderStages;
|
---|
| 744 | pipelineInfo.pVertexInputState = &vertexInputInfo;
|
---|
| 745 | pipelineInfo.pInputAssemblyState = &inputAssembly;
|
---|
| 746 | pipelineInfo.pViewportState = &viewportState;
|
---|
| 747 | pipelineInfo.pRasterizationState = &rasterizer;
|
---|
| 748 | pipelineInfo.pMultisampleState = &multisampling;
|
---|
| 749 | pipelineInfo.pDepthStencilState = nullptr;
|
---|
| 750 | pipelineInfo.pColorBlendState = &colorBlending;
|
---|
| 751 | pipelineInfo.pDynamicState = nullptr;
|
---|
| 752 | pipelineInfo.layout = pipelineLayout;
|
---|
| 753 | pipelineInfo.renderPass = renderPass;
|
---|
| 754 | pipelineInfo.subpass = 0;
|
---|
| 755 | pipelineInfo.basePipelineHandle = VK_NULL_HANDLE;
|
---|
| 756 | pipelineInfo.basePipelineIndex = -1;
|
---|
| 757 |
|
---|
| 758 | if (vkCreateGraphicsPipelines(device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &graphicsPipeline) != VK_SUCCESS) {
|
---|
| 759 | throw runtime_error("failed to create graphics pipeline!");
|
---|
| 760 | }
|
---|
| 761 |
|
---|
[e09ad38] | 762 | vkDestroyShaderModule(device, vertShaderModule, nullptr);
|
---|
| 763 | vkDestroyShaderModule(device, fragShaderModule, nullptr);
|
---|
| 764 | }
|
---|
| 765 |
|
---|
| 766 | VkShaderModule createShaderModule(const vector<char>& code) {
|
---|
| 767 | VkShaderModuleCreateInfo createInfo = {};
|
---|
| 768 | createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
|
---|
| 769 | createInfo.codeSize = code.size();
|
---|
| 770 | createInfo.pCode = reinterpret_cast<const uint32_t*>(code.data());
|
---|
| 771 |
|
---|
| 772 | VkShaderModule shaderModule;
|
---|
| 773 | if (vkCreateShaderModule(device, &createInfo, nullptr, &shaderModule) != VK_SUCCESS) {
|
---|
| 774 | throw runtime_error("failed to create shader module!");
|
---|
| 775 | }
|
---|
| 776 |
|
---|
| 777 | return shaderModule;
|
---|
[4befb76] | 778 | }
|
---|
| 779 |
|
---|
[ebeb3aa] | 780 | void createFramebuffers() {
|
---|
| 781 | swapChainFramebuffers.resize(swapChainImageViews.size());
|
---|
| 782 |
|
---|
| 783 | for (size_t i = 0; i < swapChainImageViews.size(); i++) {
|
---|
| 784 | VkImageView attachments[] = {
|
---|
| 785 | swapChainImageViews[i]
|
---|
| 786 | };
|
---|
| 787 |
|
---|
| 788 | VkFramebufferCreateInfo framebufferInfo = {};
|
---|
| 789 | framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
|
---|
| 790 | framebufferInfo.renderPass = renderPass;
|
---|
| 791 | framebufferInfo.attachmentCount = 1;
|
---|
| 792 | framebufferInfo.pAttachments = attachments;
|
---|
| 793 | framebufferInfo.width = swapChainExtent.width;
|
---|
| 794 | framebufferInfo.height = swapChainExtent.height;
|
---|
| 795 | framebufferInfo.layers = 1;
|
---|
| 796 |
|
---|
| 797 | if (vkCreateFramebuffer(device, &framebufferInfo, nullptr, &swapChainFramebuffers[i]) != VK_SUCCESS) {
|
---|
| 798 | throw runtime_error("failed to create framebuffer!");
|
---|
| 799 | }
|
---|
| 800 | }
|
---|
| 801 | }
|
---|
| 802 |
|
---|
[47bff4c] | 803 | void createCommandPool() {
|
---|
| 804 | QueueFamilyIndices queueFamilyIndices = findQueueFamilies(physicalDevice);
|
---|
| 805 |
|
---|
| 806 | VkCommandPoolCreateInfo poolInfo = {};
|
---|
| 807 | poolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
|
---|
| 808 | poolInfo.queueFamilyIndex = queueFamilyIndices.graphicsFamily.value();
|
---|
| 809 | poolInfo.flags = 0;
|
---|
| 810 |
|
---|
| 811 | if (vkCreateCommandPool(device, &poolInfo, nullptr, &commandPool) != VK_SUCCESS) {
|
---|
| 812 | throw runtime_error("failed to create command pool!");
|
---|
| 813 | }
|
---|
| 814 | }
|
---|
| 815 |
|
---|
| 816 | void createCommandBuffers() {
|
---|
| 817 | commandBuffers.resize(swapChainFramebuffers.size());
|
---|
| 818 |
|
---|
| 819 | VkCommandBufferAllocateInfo allocInfo = {};
|
---|
| 820 | allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
|
---|
| 821 | allocInfo.commandPool = commandPool;
|
---|
| 822 | allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
|
---|
| 823 | allocInfo.commandBufferCount = (uint32_t)commandBuffers.size();
|
---|
| 824 |
|
---|
| 825 | if (vkAllocateCommandBuffers(device, &allocInfo, commandBuffers.data()) != VK_SUCCESS) {
|
---|
| 826 | throw runtime_error("failed to create command buffers!");
|
---|
| 827 | }
|
---|
| 828 |
|
---|
| 829 | for (size_t i = 0; i < commandBuffers.size(); i++) {
|
---|
| 830 | VkCommandBufferBeginInfo beginInfo = {};
|
---|
| 831 | beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
|
---|
| 832 | beginInfo.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT;
|
---|
| 833 | beginInfo.pInheritanceInfo = nullptr;
|
---|
| 834 |
|
---|
| 835 | if (vkBeginCommandBuffer(commandBuffers[i], &beginInfo) != VK_SUCCESS) {
|
---|
| 836 | throw runtime_error("failed to begin recording command buffer!");
|
---|
| 837 | }
|
---|
| 838 |
|
---|
| 839 | VkRenderPassBeginInfo renderPassInfo = {};
|
---|
| 840 | renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
|
---|
| 841 | renderPassInfo.renderPass = renderPass;
|
---|
| 842 | renderPassInfo.framebuffer = swapChainFramebuffers[i];
|
---|
| 843 | renderPassInfo.renderArea.offset = { 0, 0 };
|
---|
| 844 | renderPassInfo.renderArea.extent = swapChainExtent;
|
---|
| 845 |
|
---|
| 846 | VkClearValue clearColor = { 0.0f, 0.0f, 0.0f, 1.0f };
|
---|
| 847 | renderPassInfo.clearValueCount = 1;
|
---|
| 848 | renderPassInfo.pClearValues = &clearColor;
|
---|
| 849 |
|
---|
| 850 | vkCmdBeginRenderPass(commandBuffers[i], &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
|
---|
| 851 | vkCmdBindPipeline(commandBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
|
---|
| 852 | vkCmdDraw(commandBuffers[i], 3, 1, 0, 0);
|
---|
| 853 | vkCmdEndRenderPass(commandBuffers[i]);
|
---|
| 854 |
|
---|
| 855 | if (vkEndCommandBuffer(commandBuffers[i]) != VK_SUCCESS) {
|
---|
| 856 | throw runtime_error("failed to record command buffer!");
|
---|
| 857 | }
|
---|
| 858 | }
|
---|
| 859 | }
|
---|
| 860 |
|
---|
| 861 | void createSyncObjects() {
|
---|
| 862 | imageAvailableSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
|
---|
| 863 | renderFinishedSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
|
---|
| 864 | inFlightFences.resize(MAX_FRAMES_IN_FLIGHT);
|
---|
| 865 |
|
---|
| 866 | VkSemaphoreCreateInfo semaphoreInfo = {};
|
---|
| 867 | semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
|
---|
| 868 |
|
---|
| 869 | VkFenceCreateInfo fenceInfo = {};
|
---|
| 870 | fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
|
---|
| 871 | fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
|
---|
| 872 |
|
---|
| 873 | for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
|
---|
| 874 | if (vkCreateSemaphore(device, &semaphoreInfo, nullptr, &imageAvailableSemaphores[i]) != VK_SUCCESS ||
|
---|
| 875 | vkCreateSemaphore(device, &semaphoreInfo, nullptr, &renderFinishedSemaphores[i]) != VK_SUCCESS ||
|
---|
| 876 | vkCreateFence(device, &fenceInfo, nullptr, &inFlightFences[i]) != VK_SUCCESS) {
|
---|
| 877 | throw runtime_error("failed to create synchronization objects for a frame!");
|
---|
| 878 | }
|
---|
| 879 | }
|
---|
| 880 | }
|
---|
| 881 |
|
---|
[826df16] | 882 | void mainLoop() {
|
---|
| 883 | // TODO: Create some generic event-handling functions in game-gui-*
|
---|
| 884 | SDL_Event e;
|
---|
| 885 | bool quit = false;
|
---|
| 886 |
|
---|
[7dcd925] | 887 | while (!quit) {
|
---|
[826df16] | 888 | while (SDL_PollEvent(&e)) {
|
---|
| 889 | if (e.type == SDL_QUIT) {
|
---|
| 890 | quit = true;
|
---|
| 891 | }
|
---|
| 892 | if (e.type == SDL_KEYDOWN) {
|
---|
| 893 | quit = true;
|
---|
| 894 | }
|
---|
| 895 | if (e.type == SDL_MOUSEBUTTONDOWN) {
|
---|
| 896 | quit = true;
|
---|
| 897 | }
|
---|
[75108ef] | 898 | if (e.type == SDL_WINDOWEVENT) {
|
---|
| 899 | if (e.window.event == SDL_WINDOWEVENT_SIZE_CHANGED) {
|
---|
| 900 | framebufferResized = true;
|
---|
| 901 | } else if (e.window.event == SDL_WINDOWEVENT_MINIMIZED) {
|
---|
| 902 | framebufferResized = true;
|
---|
| 903 | }
|
---|
| 904 | }
|
---|
[47bff4c] | 905 | }
|
---|
[321272c] | 906 |
|
---|
[47bff4c] | 907 | drawFrame();
|
---|
[321272c] | 908 |
|
---|
[47bff4c] | 909 | //SDL_FillRect(sdlSurface, nullptr, SDL_MapRGB(sdlSurface->format, 0x00, 0x99, 0x99));
|
---|
| 910 | //SDL_UpdateWindowSurface(window);
|
---|
| 911 | }
|
---|
| 912 |
|
---|
| 913 | vkDeviceWaitIdle(device);
|
---|
| 914 | }
|
---|
| 915 |
|
---|
| 916 | void drawFrame() {
|
---|
| 917 | vkWaitForFences(device, 1, &inFlightFences[currentFrame], VK_TRUE, numeric_limits<uint64_t>::max());
|
---|
| 918 |
|
---|
| 919 | uint32_t imageIndex;
|
---|
| 920 |
|
---|
[75108ef] | 921 | VkResult result = vkAcquireNextImageKHR(device, swapChain, numeric_limits<uint64_t>::max(), imageAvailableSemaphores[currentFrame], VK_NULL_HANDLE, &imageIndex);
|
---|
| 922 |
|
---|
| 923 | if (result == VK_ERROR_OUT_OF_DATE_KHR) {
|
---|
| 924 | recreateSwapChain();
|
---|
| 925 | return;
|
---|
| 926 | } else if (result != VK_SUCCESS && result != VK_SUBOPTIMAL_KHR) {
|
---|
| 927 | throw runtime_error("failed to acquire swap chain image!");
|
---|
| 928 | }
|
---|
[47bff4c] | 929 |
|
---|
| 930 | VkSubmitInfo submitInfo = {};
|
---|
| 931 | submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
|
---|
| 932 |
|
---|
| 933 | VkSemaphore waitSemaphores[] = { imageAvailableSemaphores[currentFrame] };
|
---|
| 934 | VkPipelineStageFlags waitStages[] = { VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT };
|
---|
| 935 |
|
---|
| 936 | submitInfo.waitSemaphoreCount = 1;
|
---|
| 937 | submitInfo.pWaitSemaphores = waitSemaphores;
|
---|
| 938 | submitInfo.pWaitDstStageMask = waitStages;
|
---|
| 939 | submitInfo.commandBufferCount = 1;
|
---|
| 940 | submitInfo.pCommandBuffers = &commandBuffers[imageIndex];
|
---|
| 941 |
|
---|
| 942 | VkSemaphore signalSemaphores[] = { renderFinishedSemaphores[currentFrame] };
|
---|
| 943 |
|
---|
| 944 | submitInfo.signalSemaphoreCount = 1;
|
---|
| 945 | submitInfo.pSignalSemaphores = signalSemaphores;
|
---|
| 946 |
|
---|
[75108ef] | 947 | vkResetFences(device, 1, &inFlightFences[currentFrame]);
|
---|
| 948 |
|
---|
[47bff4c] | 949 | if (vkQueueSubmit(graphicsQueue, 1, &submitInfo, inFlightFences[currentFrame]) != VK_SUCCESS) {
|
---|
| 950 | throw runtime_error("failed to submit draw command buffer!");
|
---|
[bfd620e] | 951 | }
|
---|
[47bff4c] | 952 |
|
---|
| 953 | VkPresentInfoKHR presentInfo = {};
|
---|
| 954 | presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
|
---|
| 955 |
|
---|
| 956 | presentInfo.waitSemaphoreCount = 1;
|
---|
| 957 | presentInfo.pWaitSemaphores = signalSemaphores;
|
---|
| 958 |
|
---|
| 959 | VkSwapchainKHR swapChains[] = { swapChain };
|
---|
| 960 | presentInfo.swapchainCount = 1;
|
---|
| 961 | presentInfo.pSwapchains = swapChains;
|
---|
| 962 | presentInfo.pImageIndices = &imageIndex;
|
---|
| 963 | presentInfo.pResults = nullptr;
|
---|
| 964 |
|
---|
[75108ef] | 965 | result = vkQueuePresentKHR(presentQueue, &presentInfo);
|
---|
| 966 |
|
---|
| 967 | if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR || framebufferResized) {
|
---|
| 968 | framebufferResized = false;
|
---|
| 969 | recreateSwapChain();
|
---|
| 970 | } else if (result != VK_SUCCESS) {
|
---|
| 971 | throw runtime_error("failed to present swap chain image!");
|
---|
| 972 | }
|
---|
[47bff4c] | 973 |
|
---|
| 974 | currentFrame = (currentFrame + 1) % MAX_FRAMES_IN_FLIGHT;
|
---|
[826df16] | 975 | }
|
---|
| 976 |
|
---|
| 977 | void cleanup() {
|
---|
[75108ef] | 978 | cleanupSwapChain();
|
---|
| 979 |
|
---|
[47bff4c] | 980 | for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
|
---|
| 981 | vkDestroySemaphore(device, imageAvailableSemaphores[i], nullptr);
|
---|
| 982 | vkDestroySemaphore(device, renderFinishedSemaphores[i], nullptr);
|
---|
| 983 | vkDestroyFence(device, inFlightFences[i], nullptr);
|
---|
| 984 | }
|
---|
| 985 |
|
---|
| 986 | vkDestroyCommandPool(device, commandPool, nullptr);
|
---|
| 987 |
|
---|
[909b51a] | 988 | vkDestroyDevice(device, nullptr);
|
---|
| 989 |
|
---|
[80de39d] | 990 | if (enableValidationLayers) {
|
---|
| 991 | DestroyDebugUtilsMessengerEXT(instance, debugMessenger, nullptr);
|
---|
| 992 | }
|
---|
| 993 |
|
---|
[b3671b5] | 994 | vkDestroySurfaceKHR(instance, surface, nullptr);
|
---|
[826df16] | 995 | vkDestroyInstance(instance, nullptr);
|
---|
| 996 |
|
---|
[0e6ecf3] | 997 | gui->DestroyWindow();
|
---|
[98f3232] | 998 | gui->Shutdown();
|
---|
| 999 | delete gui;
|
---|
[826df16] | 1000 | }
|
---|
[e09ad38] | 1001 |
|
---|
| 1002 | static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(
|
---|
| 1003 | VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
|
---|
| 1004 | VkDebugUtilsMessageTypeFlagsEXT messageType,
|
---|
| 1005 | const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
|
---|
| 1006 | void* pUserData) {
|
---|
| 1007 | cerr << "validation layer: " << pCallbackData->pMessage << endl;
|
---|
| 1008 |
|
---|
| 1009 | return VK_FALSE;
|
---|
[0e6ecf3] | 1010 | }
|
---|
[e09ad38] | 1011 |
|
---|
| 1012 | static vector<char> readFile(const string& filename) {
|
---|
| 1013 | ifstream file(filename, ios::ate | ios::binary);
|
---|
| 1014 |
|
---|
| 1015 | if (!file.is_open()) {
|
---|
| 1016 | throw runtime_error("failed to open file!");
|
---|
| 1017 | }
|
---|
| 1018 |
|
---|
| 1019 | size_t fileSize = (size_t)file.tellg();
|
---|
| 1020 | vector<char> buffer(fileSize);
|
---|
| 1021 |
|
---|
| 1022 | file.seekg(0);
|
---|
| 1023 | file.read(buffer.data(), fileSize);
|
---|
| 1024 |
|
---|
| 1025 | file.close();
|
---|
| 1026 |
|
---|
| 1027 | return buffer;
|
---|
| 1028 | }
|
---|
[826df16] | 1029 | };
|
---|
| 1030 |
|
---|
[1c6cd5e] | 1031 | int main(int argc, char* argv[]) {
|
---|
[826df16] | 1032 |
|
---|
[b6127d2] | 1033 | #ifdef NDEBUG
|
---|
| 1034 | cout << "DEBUGGING IS OFF" << endl;
|
---|
| 1035 | #else
|
---|
| 1036 | cout << "DEBUGGING IS ON" << endl;
|
---|
| 1037 | #endif
|
---|
[a8f0577] | 1038 |
|
---|
[bfd620e] | 1039 | glm::mat4 matrix;
|
---|
| 1040 | glm::vec4 vec;
|
---|
| 1041 | glm::vec4 test = matrix * vec;
|
---|
[826df16] | 1042 |
|
---|
| 1043 | cout << "Starting Vulkan game..." << endl;
|
---|
| 1044 |
|
---|
| 1045 | VulkanGame game;
|
---|
| 1046 |
|
---|
| 1047 | try {
|
---|
| 1048 | game.run();
|
---|
| 1049 | } catch (const exception& e) {
|
---|
| 1050 | cerr << e.what() << endl;
|
---|
| 1051 | return EXIT_FAILURE;
|
---|
| 1052 | }
|
---|
[03f4c64] | 1053 |
|
---|
[826df16] | 1054 | cout << "Finished running the game" << endl;
|
---|
[03f4c64] | 1055 |
|
---|
[826df16] | 1056 | return EXIT_SUCCESS;
|
---|
[03f4c64] | 1057 | }
|
---|