C Specification

To query the state of an event from the host, call:

VkResult vkGetEventStatus(
    VkDevice                                    device,
    VkEvent                                     event);

Parameters

  • device is the logical device that owns the event.

  • event is the handle of the event to query.

Description

Upon success, vkGetEventStatus returns the state of the event object with the following return codes:

Table 1. Event Object Status Codes
Status Meaning

VK_EVENT_SET

The event specified by event is signaled.

VK_EVENT_RESET

The event specified by event is unsignaled.

If a vkCmdSetEvent or vkCmdResetEvent command is in a command buffer that is in the pending state, then the value returned by this command may immediately be out of date.

The state of an event can be updated by the host. The state of the event is immediately changed, and subsequent calls to vkGetEventStatus will return the new state. If an event is already in the requested state, then updating it to the same state has no effect.

Valid Usage (Implicit)
  • device must be a valid VkDevice handle

  • event must be a valid VkEvent handle

  • event must have been created, allocated, or retrieved from device

Return Codes
On success, this command returns
  • VK_EVENT_SET

  • VK_EVENT_RESET

On failure, this command returns
  • VK_ERROR_OUT_OF_HOST_MEMORY

  • VK_ERROR_OUT_OF_DEVICE_MEMORY

  • VK_ERROR_DEVICE_LOST

See Also

Document Notes

For more information, see the Vulkan Specification at URL

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

Copyright (c) 2014-2017 Khronos Group. This work is licensed under a Creative Commons Attribution 4.0 International License.