# vkResetFences(3) Manual Page

## Name

vkResetFences - Resets one or more fence objects

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## C Specification

To set the state of fences to unsignaled from the host, call:

    // Provided by VK_VERSION_1_0
    VkResult vkResetFences(
        VkDevice                                    device,
        uint32_t                                    fenceCount,
        const VkFence*                              pFences);

## Parameters

- `device` is the logical device that owns the fences.

- `fenceCount` is the number of fences to reset.

- `pFences` is a pointer to an array of fence handles to reset.

## Description

If any member of `pFences` currently has its payload imported with temporary permanence, that fence’s prior permanent payload is first restored. The remaining operations described therefore operate on the restored payload.

When vkResetFences is executed on the host, it defines a fence unsignal operation for each fence, which resets the fence to the unsignaled state.

If any member of `pFences` is already in the unsignaled state when vkResetFences is executed, then vkResetFences has no effect on that fence.

Valid Usage

- VUID-vkResetFences-pFences-01123
  Each element of `pFences` must not be currently associated with any queue command that has not yet completed execution on that queue

Valid Usage (Implicit)

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

- VUID-vkResetFences-pFences-parameter
  `pFences` must be a valid pointer to an array of `fenceCount` valid VkFence handles

- VUID-vkResetFences-fenceCount-arraylength
  `fenceCount` must be greater than `0`

- VUID-vkResetFences-pFences-parent
  Each element of `pFences` must have been created, allocated, or retrieved from `device`

Host Synchronization

- Host access to each member of `pFences` must be externally synchronized

Return Codes

On success, this command returns

  - `VK_SUCCESS`

On failure, this command returns

  - `VK_ERROR_OUT_OF_DEVICE_MEMORY`

## See Also

VK_VERSION_1_0, VkDevice, VkFence

## 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