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r.Vulkan.WaitForIdleOnSubmit

Var

Unreal Engine Var console variable.

rVulkanWaitForIdleOnSubmit

Description

Waits for the GPU to be idle after submitting a command buffer. Useful for tracking GPU hangs. 0: Do not wait(default) 1: Wait on every submit 2: Wait when submitting an upload buffer 3: Wait when submitting an active buffer (one that has gfx commands)

Usage

r.Vulkan.WaitForIdleOnSubmit [value]

Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.