On Tue, 26 Nov 2013 00:56:07 -0600 Esteban Monge <esteban.franci...@gmail.com>
said:

> 2013/11/25 Carsten Haitzler <ras...@rasterman.com>
> 
> > On Mon, 25 Nov 2013 23:16:36 -0600 Esteban Monge <
> > esteban.franci...@gmail.com>
> > said:
> >
> > > I use FGLRX privative driver, I had a lot of problems with free/libre
> > > driver.
> > >
> > > The output of fglrxinfo is:
> > > emonge@debian:~$ fglrxinfo
> > > display: :0.0  screen: 0
> > > OpenGL vendor string: Advanced Micro Devices, Inc.
> > > OpenGL renderer string: AMD Radeon HD 6310 Graphics
> > > OpenGL version string: 4.2.12217 Compatibility Profile Context 12.104
> >
> > oh dear. fglrx. trust me on this. fglrx is probably the WORST driver out
> > there. by a country mile. i have ati on a blacklist of things to never buy
> > again after bad run-ins with poor fglrx code quality. specifically
> > compositing
> > related. try radeon again.
> >
> > > > maybe your gpu is hw rendering and it is just so insanely poor/bad
> > you'd be
> > > > better off with software. fyi i use sw compositing on a 600mhz
> > pentium-m
> > > > next
> > > > to me and it works fine. at 600mhz. on something far more ancient and
> > slow
> > > > than
> > > > your box. sure - its not "silky smooth" but it's fast enough.
> > > >
> > > > you're getting compositing in e. this is not up for negotiation. there
> > are
> > > > a
> > > > host of very good reasons for it. we just can't move on without. doing
> > it
> > > > this
> > > > way cuts the cost of compositing significantly and without doing this
> > we
> > > > cant
> > > > move to wayland. also it gets rid of a shot of bugs people report when
> > > > composting is off (eg the theme assumes compositing and when off you
> > get
> > > > shaped
> > > > display and this leads to all sorts of uglies that make some things
> > > > unusable).
> > > > so "compositing always on" does these things;
> > > >
> > > > 1. simplifies our code so we don't have 2 paths to worry about
> > > > 2. simplification allows us to actually maintain and develop things
> > rather
> > > > than
> > > > invest huge resources into testing/coding for 2 paths for what is an
> > ever
> > > > decreasing user base
> > > > 3. allows us to move on to supporting wayland (without compositing, we
> > > > can't)
> > > > 4. makes theme work easier as you can assume alpha channels work right
> > > > 5. gets rid of artifact bugs created by not having alpha channels
> > > >
> > > >
> > > I understand you, thanks for explanation.
> > >
> > >
> > > > now what is interesting is you claim it's gl under the compositor
> > settings
> > > > under engine, but it's slow. see above for that. software rendering
> > will
> > > > also
> > > > cause e to rise up in cpu usage a fair bit. given current x infra we
> > are
> > > > unfortunately forced to copy pixels from the pixmap back client-side
> > and
> > > > then
> > > > render, then upload again. we don't have a zero-copy path available.
> > > >
> > > > it might also be that your gpu just can't cope with what evas is
> > throwing
> > > > at
> > > > it. it isn't that much actually. it shouldn't be that bad. if you are
> > able
> > > > to
> > > > run e on a commandline where you can set environment vars, you can
> > collect
> > > > some
> > > > debug from the gl enigne that can indicate how much geometry etc. we
> > are
> > > > throwing at the gpu each frame.
> > > >
> > > > I will to run e from commandline and check vars.
> >
> > then do this:
> >
> > export EVAS_GL_INFO=1
> > export EVAS_GL_MEMINFO=1
> > export EVAS_GL_DBG=1
> >
> > and send your output. but i suggest trying radeon. i really do. :)
> >
> 
> I changed to light side!!!
> 
> emonge@debian:~/games/humble/7/Binding of Isaac$ glxinfo | grep OpenGL
> OpenGL vendor string: X.Org
> OpenGL renderer string: Gallium 0.4 on AMD PALM
> OpenGL core profile version string: 3.1 (Core Profile) Mesa 9.2.2
> OpenGL core profile shading language version string: 1.40
> OpenGL core profile context flags: (none)
> OpenGL core profile extensions:
> OpenGL version string: 3.0 Mesa 9.2.2
> OpenGL shading language version string: 1.30
> OpenGL context flags: (none)
> OpenGL extensions:
> 
> 
> Finally I can play The Binding of Isaac without Openbox!!!
> 
> I am kidding... the performance speeds up!!!
> 
> Thanks for advice!!! I will send the output with radeon driver...

awesome! happy now? and just remember... never touch fglrx with a barge pole...
it's a recipe for disaster.


-- 
------------- Codito, ergo sum - "I code, therefore I am" --------------
The Rasterman (Carsten Haitzler)    ras...@rasterman.com


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