# VkPerformanceCounterResultKHR(3) Manual Page

## Name

VkPerformanceCounterResultKHR - Union containing a performance counter result

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## C Specification

The `VkPerformanceCounterResultKHR` union is defined as:

    // Provided by VK_KHR_performance_query
    typedef union VkPerformanceCounterResultKHR {
        int32_t     int32;
        int64_t     int64;
        uint32_t    uint32;
        uint64_t    uint64;
        float       float32;
        double      float64;
    } VkPerformanceCounterResultKHR;

## Members

- `int32` is a 32-bit signed integer value.

- `int64` is a 64-bit signed integer value.

- `uint32` is a 32-bit unsigned integer value.

- `uint64` is a 64-bit unsigned integer value.

- `float32` is a 32-bit floating-point value.

- `float64` is a 64-bit floating-point value.

## Description

Performance query results are returned in an array of `VkPerformanceCounterResultKHR` unions containing the data associated with each counter in the query, stored in the same order as the counters supplied in `pCounterIndices` when creating the performance query. VkPerformanceCounterKHR::`storage` specifies how to parse the counter data.

## See Also

VK_KHR_performance_query

## 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