# VkPhysicalDevicePipelineLibraryGroupHandlesFeaturesEXT(3) Manual Page

## Name

VkPhysicalDevicePipelineLibraryGroupHandlesFeaturesEXT - Structure describing whether querying shader group handles from a pipeline library is supported by the implementation

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## C Specification

The `VkPhysicalDevicePipelineLibraryGroupHandlesFeaturesEXT` structure is defined as:

    // Provided by VK_EXT_pipeline_library_group_handles
    typedef struct VkPhysicalDevicePipelineLibraryGroupHandlesFeaturesEXT {
        VkStructureType    sType;
        void*              pNext;
        VkBool32           pipelineLibraryGroupHandles;
    } VkPhysicalDevicePipelineLibraryGroupHandlesFeaturesEXT;

## Members

This structure describes the following features:

- `pipelineLibraryGroupHandles` indicates whether the implementation supports querying group handles directly from a ray tracing pipeline library, and guarantees bitwise identical group handles for such libraries when linked into other pipelines.

## Description

If the `VkPhysicalDevicePipelineLibraryGroupHandlesFeaturesEXT` structure is included in the `pNext` chain of the VkPhysicalDeviceFeatures2 structure passed to vkGetPhysicalDeviceFeatures2, it is filled in to indicate whether each corresponding feature is supported. `VkPhysicalDevicePipelineLibraryGroupHandlesFeaturesEXT` can also be used in the `pNext` chain of VkDeviceCreateInfo to selectively enable these features.

Valid Usage (Implicit)

- VUID-VkPhysicalDevicePipelineLibraryGroupHandlesFeaturesEXT-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PIPELINE_LIBRARY_GROUP_HANDLES_FEATURES_EXT`

## See Also

VK_EXT_pipeline_library_group_handles, VkBool32, VkStructureType

## Document Notes

For more information, see the Vulkan Specification

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

## Copyright

Copyright 2014-2024 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0