is that mean that the libmali.so could be replaced by mesa implementation totally? if so, the accelerator function could not be used, is that true?
i would make experiment as you said, thanks for our good advice. At 2018-09-25 16:52:21, "Pekka Paalanen" <ppaala...@gmail.com> wrote: >On Tue, 25 Sep 2018 09:28:27 +0800 (CST) >tugouxp <13824125...@163.com> wrote: > >> hi folks: >> >> >> my project take wayland as display server, weston working with >> libdrm-backend, the opegles and egl interface are provided by arm >> official provide "libmali.so" library. >> >> >> but now i want to test whether it can be worked that get rid of mali >> library completely ,and use mesa library instead. i am use the yocto >> build system and the compile process is very succefully, but when i >> tested the weston with following command. >> >> weston --backend=drm-backend.so --tty=1 --idle-time=0 & >> >> it seems the weston crashed and cant be launched, this command >> works fine with "libmali" method, so it should not be the problem of >> mali . >> >> >> the output is very chaos by different threads log interrupted each >> other, thanks for your kindly help. >> > >Hi, > >you can redirect stdout and stderr to a file. Printing to the terminal >stops working once Weston enters graphics mode. If you are launching >weston through a serial console, maybe it overflows and drops random >bytes - is your serial flow control correctly set up also for the >kernel console output? > >It looks like you get kernel bug output too. A kernel bug is always a >kernel issue, so you would need to look into that first. > >Also make sure that Weston is not somehow patched for Mali >specifically. I don't know if such patches exist, but if they do, we >can't support them. > >This page seems to summarize the status of FOSS drivers: >https://wiki.debian.org/MaliGraphics > >See also the upcoming XDC presentation about Panfrost this week: >https://www.x.org/wiki/Events/XDC2018/Talks/#lyude_alyssa > > >Thanks, >pq
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