Hey, i am writing a custom VR engine and try to understand xrEndFrame. I am using Vulkan. I have a problem in that xrEndFrame always waits on the GPU before it continues and i really don’t understand why. The spec doesn’t say anything about it. On my renderthread i submit all my command buffers a…

The spec doesn’t seem to prohibit this behavior, but I don’t think it’s intended for it to block for any significant time. Runtimes often seem to access the swapchain and add rendering commands directly in the xrEndFrame call, so it’s possible it’s blocking on a resource that isn’t available. If it’…

show post in topic

Home
Categories
Guidelines
Terms of Service
Privacy Policy

Powered by Discourse, best viewed with JavaScript enabled

Framepacing (Understanding xrEndFrame)