[Bug 111558] Performance issues on Iris 550/Skylake

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111558

--- Comment #1 from Tapani Pälli <lemody at gmail.com> ---
Just as a first thought, this sounds very much like how the experience is when
one runs gnome-shell with a software rasterizer. Is there some log output from
sway that would prove it is HW accelerated? You could use strace to see which
dri module it opens (iris_dri.so, not swrast_dri.so) or for example gdb the
process and set break to iris_draw_vbo that should get called on each draw.

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