[Wayland-bugs] [Bug 81323] weston, when under x11, in sw-render mode, uses lots of processing power

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81323

--- Comment #1 from Boyan Ding <stu_dby at 126.com> ---
Software rendering is surely consuming CPU for it's using CPU to do the job of
rendering, which contains lots of calculation. It's only a fallback if GPU
can't be used somehow. Even a simple opengl application can eat up ~40% of CPU
on my machine if I use software rendering.

In my knowledge, software rendering under DRM backend is not supported. You are
using your gpu even if you specify LIBGL_ALWAYS_SOFTWARE, you can check your
log for that.

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