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#include <cstdio>
#include <vector>
#include <cassert>
#include "window.hpp"
#define NELEMS(x) (sizeof(x) / sizeof((x)[0]))
GLFWwindow *window = nullptr;
VkInstance vkInstance = nullptr;
VkPhysicalDevice vkPhysicalDevice = nullptr;
VkSurfaceKHR vkSurfaceKHR = nullptr;
VkDebugReportCallbackEXT vkDebugReport = nullptr;
const bool ENABLE_VALIDATION_LAYERS = true;
const bool VULKAN_DEBUG_REPORT = true;
VkBool32 UserDebugCallback(
VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
VkDebugUtilsMessageTypeFlagsEXT messageType,
const VkDebugUtilsMessengerCallbackDataEXT *pCallbackData, void *pUserData) {
printf("Validation Layer: %s\n", pCallbackData->pMessage);
return VK_FALSE;
}
static VKAPI_ATTR VkBool32 VKAPI_CALL DebugReport(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType, unsigned long object, size_t location, int messageCode, const char *pLayerPrefix, const char *pMessage, void *pUserData) {
(void)flags;
(void)object;
(void)location;
(void)messageCode;
(void)pUserData;
(void)pLayerPrefix; // Unused arguments
fprintf(stderr, "[vulkan] Debug report from ObjectType: %i\nMessage: %s\n\n", objectType, pMessage);
return VK_FALSE;
}
void InitVulkan() {
if (ENABLE_VALIDATION_LAYERS) {
unsigned int layerCount;
vkEnumerateInstanceLayerProperties(&layerCount, nullptr);
std::vector<VkLayerProperties> availableLayers(layerCount);
vkEnumerateInstanceLayerProperties(&layerCount, availableLayers.data());
printf("Available Layers:\n");
for (const auto &layerProperties : availableLayers) {
printf("\t%s\n", layerProperties.layerName);
}
}
VkApplicationInfo appInfo{};
appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
appInfo.apiVersion = VK_API_VERSION_1_3;
appInfo.pApplicationName = "pikul";
appInfo.pEngineName = "pikul";
appInfo.applicationVersion = 1;
appInfo.engineVersion = 1;
VkInstanceCreateInfo createInfo{};
createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
createInfo.pApplicationInfo = &appInfo;
createInfo.enabledLayerCount = 0;
std::vector<const char *> enabledLayerNames(1);
enabledLayerNames[0] = "VK_LAYER_KHRONOS_validation";
printf("Requested Layers:\n");
for (const char *s : enabledLayerNames) {
printf("\t%s\n", s);
}
VkDebugUtilsMessengerCreateInfoEXT debugCreateInfo{};
debugCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
if (ENABLE_VALIDATION_LAYERS) {
createInfo.enabledLayerCount = enabledLayerNames.size();
createInfo.ppEnabledLayerNames = enabledLayerNames.data();
debugCreateInfo.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;
debugCreateInfo.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;
debugCreateInfo.pfnUserCallback = UserDebugCallback;
debugCreateInfo.pUserData = nullptr;
debugCreateInfo.pNext = nullptr;
createInfo.pNext = &debugCreateInfo;
}
std::vector<const char *> allGlfwExtensions;
{
unsigned int extensionCount = 0;
const char **glfwExtensions = glfwGetRequiredInstanceExtensions(&extensionCount);
allGlfwExtensions.reserve(extensionCount + 2);
copy(&glfwExtensions[0], &glfwExtensions[extensionCount], back_inserter(allGlfwExtensions));
if (ENABLE_VALIDATION_LAYERS) {
allGlfwExtensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
allGlfwExtensions.push_back(VK_EXT_DEBUG_REPORT_EXTENSION_NAME);
}
createInfo.ppEnabledExtensionNames = allGlfwExtensions.data();
createInfo.enabledExtensionCount = allGlfwExtensions.size();
}
printf("Required Extensions:\n");
for (const auto &ext : allGlfwExtensions) {
printf("\t%s\n", ext);
}
if (ENABLE_VALIDATION_LAYERS) {
unsigned int extensionCount = 0;
vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount, nullptr);
std::vector<VkExtensionProperties> extensions(extensionCount);
vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount, extensions.data());
printf("Available Extensions:\n");
for (const auto &extension : extensions) {
printf("\t%s\n", extension.extensionName);
}
}
auto result = vkCreateInstance(&createInfo, nullptr, &vkInstance);
if (result != VK_SUCCESS) {
printf("Failed to create VkInstance! : %d\n", result);
throw result;
}
if (VULKAN_DEBUG_REPORT) {
PFN_vkCreateDebugReportCallbackEXT func = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(vkInstance, "vkCreateDebugReportCallbackEXT");
assert(func != nullptr && "vkCreateDebugReportCallbackEXT ProcAddr was nullptr");
VkDebugReportCallbackCreateInfoEXT debugReportCallbackCreateInfo{};
debugReportCallbackCreateInfo.flags =
VK_DEBUG_REPORT_ERROR_BIT_EXT |
VK_DEBUG_REPORT_WARNING_BIT_EXT |
VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT;
debugReportCallbackCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT;
debugReportCallbackCreateInfo.pfnCallback = DebugReport;
debugReportCallbackCreateInfo.pUserData = nullptr;
VkResult result = func(vkInstance, &debugReportCallbackCreateInfo, nullptr, &vkDebugReport);
if (result != VK_SUCCESS) {
fprintf(stderr, "%s\n", "Failed to create debug report!");
}
}
}
void CreateWindow(PKEWindowProperties *wp) {
if (vkInstance != nullptr) return;
glfwInit();
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
window = glfwCreateWindow(wp->width, wp->height, "Pikul", nullptr, nullptr);
InitVulkan();
}
void DestroyWindow() {
if (VULKAN_DEBUG_REPORT) {
auto vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(vkInstance, "vkDestroyDebugReportCallbackEXT");
vkDestroyDebugReportCallbackEXT(vkInstance, vkDebugReport, nullptr);
}
if (vkInstance != nullptr) return;
PFN_vkDestroyInstance(vkInstance);
glfwDestroyWindow(window);
glfwTerminate();
}
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