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> Unreal Engine API Reference > Runtime > HeadMountedDisplay > IHeadMountedDisplayVulkanExtensions > IHeadMountedDisplayVulkanExtensions::ShouldDisableVulkanVSync

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IHeadMountedDisplayVulkanExtensions::ShouldDisableVulkanVSync

If true and VK_PRESENT_MODE_MAILBOX_KHR is not available, VK_PRESENT_MODE_IMMEDIATE_KHR will be preferred over VK_PRESENT_MODE_FIFO_KHR when creating the swap chain for the spectator window.

Windows

MacOS

Linux

References

Module	HeadMountedDisplay
Header	/Engine/Source/Runtime/HeadMountedDisplay/Public/IHeadMountedDisplayVulkanExtensions.h
Include	#include "IHeadMountedDisplayVulkanExtensions.h"
Source	/Engine/Source/Runtime/HeadMountedDisplay/Private/HeadMountedDisplayVulkanExtensions.cpp

Syntax

virtual bool ShouldDisableVulkanVSync() const

Remarks

If true and VK_PRESENT_MODE_MAILBOX_KHR is not available, VK_PRESENT_MODE_IMMEDIATE_KHR will be preferred over VK_PRESENT_MODE_FIFO_KHR when creating the swap chain for the spectator window.

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