[vim/vim] perf(gtk3-wayland): CAIRO_CONTENT_COLOR over ALPHA (PR #20513)
dezza
Partially addresses: #18002
Reduces the processing load significantly, since it contains no alpha channel.
https://www.cairographics.org/manual/cairo-cairo-surface-t.html#CAIRO-CONTENT-COLOR-ALPHA:CAPS
Tested on aarch64 with a rpi5 and 4k/hidpi integer scaling.
Slowest gvim I have encountered yet.
Slow symptoms;
- Startup
- Scrolling
- Drawing text
- Loading new buffers
Note: Aware we are moving gtk3 into maintenance phase, however I think this will make it usable for longer. The alpha channel is not for truecolor text, its for gtk widgets - we don't support opacity in gtk3 and don't intend to - so it remains unused.
You can view, comment on, or merge this pull request online at:
https://github.com/vim/vim/pull/20513
Commit Summary
- 4dc0fd0 perf(gtk3-wayland): CAIRO_CONTENT_COLOR over ALPHA
File Changes
(1 file)
- M src/gui_gtk_x11.c (6)
Patch Links:
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