# VkDataGraphPipelinePropertyQueryResultARM(3) Manual Page

## Name

VkDataGraphPipelinePropertyQueryResultARM - Structure describing a data graph pipeline property query or result

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## C Specification

The `VkDataGraphPipelinePropertyQueryResultARM` structure is defined as:

    // Provided by VK_ARM_data_graph
    typedef struct VkDataGraphPipelinePropertyQueryResultARM {
        VkStructureType                   sType;
        const void*                       pNext;
        VkDataGraphPipelinePropertyARM    property;
        VkBool32                          isText;
        size_t                            dataSize;
        void*                             pData;
    } VkDataGraphPipelinePropertyQueryResultARM;

## Members

- `sType` is a VkStructureType value identifying this structure.

- `pNext` is `NULL` or a pointer to a structure extending this structure.

- `property` is a VkDataGraphPipelinePropertyARM specifying the property of the data graph pipeline being queried.

- `isText` specifies whether the returned data is text or opaque data. If `isText` is `VK_TRUE` then the data returned in `pData` is text and guaranteed to be a null-terminated UTF-8 string.

- `dataSize` is an integer related to the size, in bytes, of the data, as described below.

- `pData` is either `NULL` or a pointer to a block of memory into which the implementation will return the property data.

## Description

If `pData` is `NULL`, then the size, in bytes, of the property data is returned in `dataSize`. Otherwise, `dataSize` must be the size of the buffer, in bytes, pointed to by `pData` and on return `dataSize` is overwritten with the number of bytes of data actually written to `pData` including any trailing NUL character. If `dataSize` is less than the size, in bytes, of the property data, at most `dataSize` bytes of data will be written to `pData`, and `VK_INCOMPLETE` will be returned by vkGetDataGraphPipelinePropertiesARM instead of `VK_SUCCESS`, to indicate that not all the available property data was returned. If `isText` is `VK_TRUE` and `pData` is not `NULL` and `dataSize` is not zero, the last byte written to `pData` will be a NUL character.

Valid Usage
Valid Usage (Implicit)

- VUID-VkDataGraphPipelinePropertyQueryResultARM-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_DATA_GRAPH_PIPELINE_PROPERTY_QUERY_RESULT_ARM`

- VUID-VkDataGraphPipelinePropertyQueryResultARM-pNext-pNext
  `pNext` must be `NULL`

- VUID-VkDataGraphPipelinePropertyQueryResultARM-property-parameter
  `property` must be a valid VkDataGraphPipelinePropertyARM value

- VUID-VkDataGraphPipelinePropertyQueryResultARM-pData-parameter
  If `dataSize` is not `0`, and `pData` is not `NULL`, `pData` must be a valid pointer to an array of `dataSize` bytes

## See Also

VK_ARM_data_graph, VkBool32, VkDataGraphPipelinePropertyARM, VkStructureType, vkGetDataGraphPipelinePropertiesARM

## 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 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0