The patch fixes a leak that triggers when using text shadows in shell widgets
such as StLabel.
At least in noble (GNOME 46), I do not see any text shadows when using the
WhiteSur-Light shell theme.
Indeed, attaching GDB to gnome-shell and setting up the following breakpoint:
break _st_create_shadow_pipeline_from_actor if
$_caller_is("st_label_paint")
I cannot trigger the breakpoint with any shell interaction.
If I edit the gnome-shell.css to include something like:
#panel .clock {
text-shadow: 0 1px 3px 3px rgba(0, 0, 0, 0.35) !important;
}
The I see a text shadow on the clock, and the breakpoint is triggered with
every passing minute when the clock updates.
But even then, I do not get *any* memory usage increase by repeatedly adjusting
the clock.
So I'm quite skeptical of this bug and/or verification plan, for noble
at least.
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https://bugs.launchpad.net/bugs/2121786
Title:
Using a custom theme leaks 10-15 MB per hour
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