Program Listing for File validationLayersWrapper.cpp

↰ Return to documentation for file (PrismEngine/src/validationLayersWrapper.cpp)

#include <vector>
#include <vulkan/vulkan.h>
#include "validationLayersWrapper.h"
#include <iostream>

bool prism::PGC::L3::ValidationLayersWrapper::checkValidationLayerSupport(prism::PGC::utils::Context* context)
{
    uint32_t layerCount;
    vkEnumerateInstanceLayerProperties(&layerCount, nullptr);

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

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

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

        if (!layerFound) {
            return false;
        }
    }

    return true;
}

void prism::PGC::L3::ValidationLayersWrapper::populateDebugMessengerCreateInfo(prism::PGC::utils::Settings* settings, VkDebugUtilsMessengerCreateInfoEXT& createInfo, PFN_vkDebugUtilsMessengerCallbackEXT debugCallback)
{
    createInfo = {};
    createInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
    createInfo.messageSeverity = settings->debug.VulkanMessageSeverity;
    createInfo.messageType = settings->debug.VulkanMessageType;
    createInfo.pfnUserCallback = debugCallback;
}

VKAPI_ATTR VkBool32 VKAPI_CALL prism::PGC::L3::ValidationLayersWrapper::debugCallback(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity, VkDebugUtilsMessageTypeFlagsEXT messageType, const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData, void* pUserData)
{
    std::cerr << "validation layer: " << pCallbackData->pMessage << std::endl;

    return VK_FALSE;
}

VkResult prism::PGC::L3::ValidationLayersWrapper::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 prism::PGC::L3::ValidationLayersWrapper::destroyDebugUtilsMessengerEXT(VkInstance instance, VkDebugUtilsMessengerEXT debugMessenger, const VkAllocationCallbacks* pAllocator) {
    auto func = (PFN_vkDestroyDebugUtilsMessengerEXT)vkGetInstanceProcAddr(instance, "vkDestroyDebugUtilsMessengerEXT");
    if (func != nullptr) {
        func(instance, debugMessenger, pAllocator);
    }
}