# vkInitializePerformanceApiINTEL(3) Manual Page

## Name

vkInitializePerformanceApiINTEL - Initialize a device for performance queries

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## C Specification

Prior to creating a performance query pool, initialize the device for performance queries with the call:

    // Provided by VK_INTEL_performance_query
    VkResult vkInitializePerformanceApiINTEL(
        VkDevice                                    device,
        const VkInitializePerformanceApiInfoINTEL*  pInitializeInfo);

## Parameters

- `device` is the logical device used for the queries.

- `pInitializeInfo` is a pointer to a VkInitializePerformanceApiInfoINTEL structure specifying initialization parameters.

## Description

Valid Usage (Implicit)

- VUID-vkInitializePerformanceApiINTEL-device-parameter
  `device` must be a valid VkDevice handle

- VUID-vkInitializePerformanceApiINTEL-pInitializeInfo-parameter
  `pInitializeInfo` must be a valid pointer to a valid VkInitializePerformanceApiInfoINTEL structure

Return Codes

On success, this command returns

  - `VK_SUCCESS`

On failure, this command returns

  - `VK_ERROR_TOO_MANY_OBJECTS`

  - `VK_ERROR_OUT_OF_HOST_MEMORY`

## See Also

VK_INTEL_performance_query, VkDevice, VkInitializePerformanceApiInfoINTEL

## 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