如何解决不能将 pNext 设置为 NULL
我正在尝试在 C 中设置 Vulkan。但是随后我创建了我的 VkInstanceCreateInfo 并将 pNext 设置为 NULL 我收到一个错误。
Vulkan documentation 声明“pNext 为 NULL 或指向扩展此结构的结构的指针。”但是当我将 pNext 设置为 NULL 时，我收到此错误，告诉我 pNext 必须为 NULL。
VUID-VkApplicationInfo-pNext-pNext(ERROR / SPEC): msgNum: 1223396377 - Validation Error: [ VUID-VkApplicationInfo-pNext-pNext ] Object 0: VK_NULL_HANDLE,type = VK_OBJECT_TYPE_DEVICE; | MessageID = 0x48eb8c19 | vkCreateInstance: value of pCreateInfo->pApplicationInfo->pNext must be NULL. This error is based on the Valid Usage documentation for version 154 of the Vulkan header. It is possible that you are using a struct from a private extension or an extension that was added to a later version of the Vulkan header,in which case the use of pCreateInfo->pApplicationInfo->pNext is undefined and may not work correctly with validation enabled The Vulkan spec states: pNext must be NULL Objects: 1 [0] 0,type: 3,name: NULL
...
VkInstanceCreateInfo vulkanInstanceCreateInfo;
vulkanInstanceCreateInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
vulkanInstanceCreateInfo.pNext = NULL;
vulkanInstanceCreateInfo.flags = 0;
vulkanInstanceCreateInfo.pApplicationInfo = &vulkanApplicationInfo;
vulkanInstanceCreateInfo.enabledExtensionCount = glfwExtensionCount;
vulkanInstanceCreateInfo.ppEnabledExtensionNames = glfwExtensions;
/* validation layers */
if(VALIDATION_LAYERS_ENABLED){
vulkanInstanceCreateInfo.enabledLayerCount = validationLayersCount;
vulkanInstanceCreateInfo.ppEnabledLayerNames = validationLayers;
}else
vulkanInstanceCreateInfo.enabledLayerCount = 0;
...
解决方法
错误不是在谈论 VkInstanceCreateInfo，而是关于 VkApplicationInfo。我没有在那里设置我的 pNext。
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