source: opengl-game/vulkan-utils.cpp@ cb01aff

#include "vulkan-utils.hpp"

bool VulkanUtils::checkValidationLayerSupport(const vector<const char*> &validationLayers) {
   uint32_t layerCount;
   vkEnumerateInstanceLayerProperties(&layerCount, nullptr);

   vector<VkLayerProperties> availableLayers(layerCount);
   vkEnumerateInstanceLayerProperties(&layerCount, availableLayers.data());

   for (const char* layerName : validationLayers) {
      bool layerFound = false;

      for (const auto& layerProperties : availableLayers) {
         if (strcmp(layerName, layerProperties.layerName) == 0) {
            layerFound = true;
            break;
         }
      }

      if (!layerFound) {
         return false;
      }
   }

   return true;
}

VkResult VulkanUtils::createDebugUtilsMessengerEXT(VkInstance instance,
      const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo,
      const VkAllocationCallbacks* pAllocator,
      VkDebugUtilsMessengerEXT* pDebugMessenger) {
   auto func = (PFN_vkCreateDebugUtilsMessengerEXT) vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT");

   if (func != nullptr) {
      return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
   } else {
      return VK_ERROR_EXTENSION_NOT_PRESENT;
   }
}

void VulkanUtils::destroyDebugUtilsMessengerEXT(VkInstance instance,
      VkDebugUtilsMessengerEXT debugMessenger,
      const VkAllocationCallbacks* pAllocator) {
   auto func = (PFN_vkDestroyDebugUtilsMessengerEXT) vkGetInstanceProcAddr(instance, "vkDestroyDebugUtilsMessengerEXT");

   if (func != nullptr) {
      func(instance, debugMessenger, pAllocator);
   }
}