Phosh uses acceleration features of the compositor for gestures, blending, etc. The UI elements that are GTK3 are CPU rendered. GTK3 apps aren’t hw accelerated, GTK4 apps are. I use VPU acceleration for video decoding in e.g. livi and I had fixed in in epiphany/webkit a while back (didn’t check recently if that’s still the case).
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Eagerly awaiting Crimson for smoother app scrolling and possibly better battery life
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gtk4 apps are hw acc via Vulkan/OpenGL=mesa if i am not wrong.
somebody needs to implement it for the Librem5 Hantro/Vivante Hardware.
video decoding is a different story:
partially video playback yes, rest rather not!
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I don’t think so. Nothing is fast on L5. I have two, L5 and L5usa(USA one Is actually worse than the regular one), the phones on launching any app takes 1+ sec, typing on dails on gnome-phone or chatty is always lagging behind the input. Browsing frame rate is so low. iPhone 1-5 were never competing specs against android, BlackBerry passport was so far behind in terms of the hardwares, but all of those phones are all buttery smooth on the user interface. it is the software optimization. Putting an Linux os on a phone is not easy.
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That’s the very point I was trying to make.
Also, one year after my comment, it’s even gotten worse: more and more pages have started using complex CSS filters, e.g. transparency effects and blurring.
Without GPU acceleration, some of those pages render at less than 1 fps on the L5, which means they’re entirely unusable now.
One example is the current front page of Vite, which is unviewable on the L5:
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Yeah, but I really hope that they can optimize it in their next big update. for some reason, despite all the drawbacks, i am still using them. they do have something that are attractive.
by the way, i followed another post to add a swapfile which slightly make it better i think. there is another post to extension the zram usage, i didnt try it thought.
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I could not belief it, but you’re true. This page is lagging heavily. Do you (or anyone) know the current development state of Firefox for GPU acceleration?
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The page works more or less fine in Chromium 126 and Epiphany 47 (available in backports).
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