phosh 0.13.0 is out 🚀 :
Improved call handling when shell is locked, lockscreen notifications, high contrast theme support and much more. Check the release notes.
@agx Sounds great, thank you for your work! I'm using phosh on a Pinephone via Manjaro. I really like it so far, but a most obvious issue to me is that the UI (including scrolling) behaves very slowly. Is this due to the Pinephone hardware (and faster on the Librem) or do you see possibilities to apply further optimization/hardware accleration or similar?
@letterus @agx Most of apps you're likely to run under phosh (and also phosh itself) is still based on GTK3, and GTK3 is purely software rendered - PinePhone's slow memory bandwidth is a huge bottleneck there. It is noticeably snappier on the Librem 5 since its RAM is significantly faster.
One thing to check is whether arm64 optimizations are enabled in pixman build used by your distro, there is a patch that's not merged upstream that can make it a bit faster overall.
@letterus @agx Possibly. GTK4's GPU rendering isn't well optimized for mobile platforms, but it already got pretty usable in GTK 4.2. There will still be some work needed in order to keep slow GPU-rendered clients from making the whole compositor slow (like https://github.com/swaywm/wlroots/issues/3026), so there's no single silver bullet, but we'll get there eventually ;)
@letterus @agx One more thing: a possible feature that could be added to phoc to make platforms like PinePhone faster even with software rendering is to render everything in smaller resolution and then upscale while displaying. This will of course make everything blurry or pixelated, but should make it very snappy even with underpowered hardware.
@js @letterus @agx Reasonably sized text on 360x720 at 5" is hardly illegible. Just run any XWayland app where such scaling happens already and see for yourself.
Nevertheless, the compositor has no contextual knowledge on what's being displayed. Every client would have to implement that by themselves.
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@dos @letterus @agx That would be extremely terrible as text becomes illegible. I would much rather see something like dynamic reposition as it is in modern video games.