[Bug 1867133] Re: Ubuntu logo vanishes and fades back in (with a slightly different size) on gdm start

[Daniel van Vugt]

To complicate matters, the fix for comment #3 has now landed in upstream
gnome-shell 3.36.1. So if we want we can say "Won't Fix" to the now
redundant Plymouth fix in comment #7. Or land both because it's more
robust to have two fixes (both would have to regress before you noticed
a regression).

This bug still needs a second gnome-shell fix though, the main fix which
is comment #13.

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Title:
  Ubuntu logo vanishes and fades back in (with a slightly different
  size) on gdm start

Status in gnome-shell package in Ubuntu:
  In Progress
Status in plymouth package in Ubuntu:
  In Progress

Bug description:
  spinner theme flickers Ubuntu logo on gdm transition

  At the end of boot, spinner disappears and Ubuntu logo remains 100%
  opacity white on screen.

  Then GDM starts, and performs a fade-in animation of background
  gradient, and fade-ins Ubuntu logo.

  This results in visual flicker, where Ubuntu logo temporarily
  dissappears and instantly fades back in.

  This should be more smooth. For example, gdm could paint ubuntu logo
  at 100% opacity white without animation, whilst everything else fades-
  in. Or we could fade out ubuntu-logo in the spinner plymouth theme,
  such that on boot it is a tasteful pulsating logo that fades out, and
  back in.

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