Rift rendering glitch

[Chris]

Normally nothing, but on some computers I have seen a task-switch cause bits of graphics memory to be overwritten. Meanwhile the rift textures are being rendered to the back buffer and copied off into textures (this is done during the map loading process). If the back buffer gets messed with while you're doing that, odd things can happen.

I haven't seen the exact effect as is being reported here - when I saw it, it was bits of the desktop and other windows showing up on the rift textures - but it does sound similar, especially as it's intermittent.

Other parts of the loading process should not be affected by task-switching - and aren't, as far as I know.