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VK_PRESENT_MODE_MAILBOX_KHR blacks out the whole screen intermittently when using X11 compositing window managers

Submitted by Spencer Brown

Assigned to Xorg Project Team

Link to original bug (#103868)

Description

If you can reproduce this on your computer, you should be able to with the LunarG Vulkan SDK cube program. Run it like so:

$ ./cube --present_mode 1

You need to run a compositing window manager and alt-tab out or go to a different window to reproduce this, as far as I can tell. It doesn't happen when running under XMonad or Kwin with composition disabled with Alt+Shift+F12. You should see the screen blank out to black.

OS: Arch Linux x86_64 GPU: Radeon RX 460 2GB Display connected by DVI-D Window managers with the issue: Kwin, Mutter

I haven't tested whether the issue shows up with Wayland yet. I don't expect it to, but if it does, I'll leave a comment.

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