我正在嘗試使用動態渲染擴展，為此我正在以這種方式初始化我的實體：
auto enabled = vk::ValidationFeatureEnableEXT::eBestPractices;
vk::ValidationFeaturesEXT features;
features.enabledValidationFeatureCount = 1;
features.pEnabledValidationFeatures = &enabled;
vk::PhysicalDeviceDynamicRenderingFeaturesKHR dynamic_rendering = {};
dynamic_rendering.dynamicRendering = true;
features.pNext = &dynamic_rendering;
// Setup general information about the current application.
vk::ApplicationInfo program_info(
"NeverEngine",
VK_MAKE_VERSION(1, 0, 0),
"No Engine",
VK_MAKE_VERSION(1, 0, 0),
VK_API_VERSION_1_2);
// Create Vulkan instance to communicate with the loader.
vk::InstanceCreateInfo create_info = {};
create_info.pNext = &features;
create_info.pApplicationInfo = &program_info,
create_info.enabledLayerCount = static_cast<uint32_t>(VALIDATION_LAYERS.size()),
create_info.ppEnabledLayerNames = VALIDATION_LAYERS.data(),
create_info.enabledExtensionCount = static_cast<uint32_t>(required_extensions.size()),
create_info.ppEnabledExtensionNames = required_extensions.data();
auto [result, instance] = vk::createInstanceUnique(create_info);
Assert(result == vk::Result::eSuccess, "Error: Failed to create instance");
但是我收到這些錯誤：
VUID-VkInstanceCreateInfo-pNext-pNext(ERROR / SPEC): msgNum: -1337267667 - Validation Error: [ VUID-VkInstanceCreateInfo-pNext-pNext ] Object 0: VK_NULL_HANDLE, type = VK_OBJECT_TYPE_DEVICE; | MessageID = 0xb04aea2d | vkCreateInstance: pCreateInfo->pNext chain includes a structure with unexpected VkStructureType VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DYNAMIC_RENDERING_FEATURES; Allowed structures are [VkDebugReportCallbackCreateInfoEXT, VkDebugUtilsMessengerCreateInfoEXT, VkValidationFeaturesEXT, VkValidationFlagsEXT]. This error is based on the Valid Usage documentation for version 204 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->pNext is undefined and may not work correctly with validation enabled The Vulkan spec states: Each pNext member of any structure (including this one) in the pNext chain must be either NULL or a pointer to a valid instance of VkDebugReportCallbackCreateInfoEXT, VkDebugUtilsMessengerCreateInfoEXT, VkValidationFeaturesEXT, or VkValidationFlagsEXT (https://vulkan.lunarg.com/doc/view/1.3.204.1/linux/1.3-extensions/vkspec.html#VUID-VkInstanceCreateInfo-pNext-pNext)
Objects: 1
[0] 0, type: 3, name: NULL
VUID-VkInstanceCreateInfo-pNext-pNext(ERROR / SPEC): msgNum: -1337267667 - Validation Error: [ VUID-VkInstanceCreateInfo-pNext-pNext ] Object 0: VK_NULL_HANDLE, type = VK_OBJECT_TYPE_INSTANCE; | MessageID = 0xb04aea2d | vkCreateInstance: Includes a pNext pointer (pCreateInfo->pNext) to a VkStructureType (VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DYNAMIC_RENDERING_FEATURES), but its parent extension VK_KHR_dynamic_rendering has not been enabled. The Vulkan spec states: Each pNext member of any structure (including this one) in the pNext chain must be either NULL or a pointer to a valid instance of VkDebugReportCallbackCreateInfoEXT, VkDebugUtilsMessengerCreateInfoEXT, VkValidationFeaturesEXT, or VkValidationFlagsEXT (https://vulkan.lunarg.com/doc/view/1.3.204.1/linux/1.3-extensions/vkspec.html#VUID-VkInstanceCreateInfo-pNext-pNext)
Objects: 1
[0] 0, type: 1, name: NULL
我的驅動程式、標頭和驗證層是最新版本1.3.204。
如果我不啟用圖層并只運行我的代碼，事情似乎作業正常，我可以調整我的視窗大小并按預期更新渲染。這是驗證層中的錯誤嗎？
一些研究表明我應該這樣做：
const std::vector<const char*> device_extensions = {
VK_KHR_SWAPCHAIN_EXTENSION_NAME,
VK_KHR_DYNAMIC_RENDERING_EXTENSION_NAME,
VK_EXT_EXTENDED_DYNAMIC_STATE_EXTENSION_NAME,
};
vk::PhysicalDeviceDynamicRenderingFeaturesKHR dynamic_rendering = {};
dynamic_rendering.dynamicRendering = true;
// Get the features of the selected device.
vk::PhysicalDeviceFeatures device_features = phys_device.getFeatures();
// The enabledLayerCount and ppEnabledLayerNames parameters are deprecated,
// they should always be 0 and nullptr.
// https://www.khronos.org/registry/vulkan/specs/1.1-extensions/man/html/VkDeviceCreateInfo.html
vk::DeviceCreateInfo create_info = {};
create_info.pNext = &dynamic_rendering;
create_info.queueCreateInfoCount = queue_create_infos.size();
create_info.pQueueCreateInfos = queue_create_infos.data();
create_info.enabledLayerCount = 0;
create_info.ppEnabledLayerNames = nullptr;
create_info.enabledExtensionCount = device_extensions.size();
create_info.ppEnabledExtensionNames = device_extensions.data();
create_info.pEnabledFeatures = &device_features;
但這會回傳以下錯誤：
Message ID name: VUID-VkGraphicsPipelineCreateInfo-dynamicRendering-06052
Message: Validation Error: [ VUID-VkGraphicsPipelineCreateInfo-dynamicRendering-06052 ] Object 0: handle = 0x2357fc0, name = Logical device: NVIDIA GeForce GTX 1070, type = VK_OBJECT_TYPE_DEVICE; | MessageID = 0xdf901c9e | vkCreateGraphicsPipeline: pCreateInfos[0].renderPass is VK_NULL_HANDLE but dynamicRendering is not enabled. The Vulkan spec states: If the dynamicRendering feature is not enabled, renderPass must not be VK_NULL_HANDLE (https://vulkan.lunarg.com/doc/view/1.3.204.1/linux/1.3-extensions/vkspec.html#VUID-VkGraphicsPipelineCreateInfo-dynamicRendering-06052)
我不明白，我正在啟用擴展。
按照評論中的建議，我看到了這一點：
vkCreateDevice(physicalDevice, pCreateInfo, pAllocator, pDevice) returns VkResult VK_SUCCESS (0):
physicalDevice: VkPhysicalDevice = 0x32f85c0
pCreateInfo: const VkDeviceCreateInfo* = 0x7fff0d9dbb20:
sType: VkStructureType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO (3)
pNext: const void* = NULL
這似乎表明 pNext 設定不正確。
uj5u.com熱心網友回復：
您可能需要VK_KHR_DYNAMIC_RENDERING_EXTENSION_NAME將device_extensions. 您沒有顯示設定該串列的代碼。其余的看起來還可以。
駕駛員繼續使用請求的功能并不少見，即使它未啟用。但由于這可能因驅動程式而異，因此最好啟用您需要的擴展和功能。
轉載請註明出處，本文鏈接：https://www.uj5u.com/qita/436534.html