Re: [e-users] Poor openGL performance

[thomasg <th...@gs...>]

On Mon, Jul 30, 2012 at 2:15 AM, Carsten Haitzler <ra...@ra...> wrote:
> On Sun, 29 Jul 2012 19:27:08 +0200 thomasg <th...@gs...> said:
>
>> On Sun, Jul 29, 2012 at 6:17 PM, Wido <wi...@gm...> wrote:
>> > Hi folks. I've recently bought a new GeForce GTX 550 Ti card. I used to
>> > have a 9800GT but it broke, so I've been using or a month or so the onboard
>> > ATI HD3200. And I've been recompiling E during all this time.
>> >
>> >
>> > What I'm noticing is that when I had the 9800GT I had a really good GL
>> > performance, but with this new card I don't. I've installed the latest
>> > drivers, recompiled evas, ecore edje and e, but the performance is really
>> > poor (specially when launching expose or scale).I also checked for my xorg
>> > options, COMPOSITE, GLX, RENDER are enabled. Cool Raster's options
>> > (TripleBuffer, UseEvents, Coolbits, OnDemandVBlankInterrupts) are enabled
>> > as well.
>> >
>> > Something else I've noticed, in the composite settings, Engine tab, I have
>> > 'software' selected. If I choose 'OpenGL' the whole desktop crashes and I
>> > have to reselect all the modules again (Actually, I remove module.comp.*
>> > inside E conf dir)
>> >
>>
>> Well, if the software engine is in use, the graphics card has almost
>> nothing to do with it, composite performance can only be medicore
>> then.
>>
>> There are 2 explainations why the GL engine wouldn't work:
>> a) your drivers/X are misconfigured and GL doesn't work at all
>> b) you have GL options enabled in E which your card does not support
>
> what i don't get is the "i bought a 550 but am using onboard ati" eh? you have
> an nvidia gtx550 but are using the ati junk? stop that! use the nvidia you just
> bought! my advice - never touch anything from ati - ever. hands-down worst
> drivers ever. if anything use the open source ones, but never touch fglrx
> unless you are just stark raving mad. :) been there. done that. i've been cured
> from my insanity. :)

I'm pretty sure you're reading him wrong, he was using a 9xxx and
switched to a newer 5xx, which is now having the troubles.
While waiting he used ATI and recompiled during that time, so he does
not use ATI anymore.

@Wido: No, recompiling E would not cause issues if you have been on
ATI for that time, E itself does not link to the drivers in any way.
However, your systems libGL might have changed, but reinstalling the
nvidia driver, which you have to do in any case, will usually fix that
(depending on your distro, some might handle this really badly).
nVidia uses its own libGL, while the free radeon driver uses mesa
(fglrx uses its own as well, but I'm sure you didn't go through the
hassle of installing it for onboard graphics :)

>> for [a], you can just check if GL works by running a GL applications,
>> e.g. glxgears, and checking the output of glxinfo (especially if
>> Direct Rendering is active)
>> for [b], the most likely candidate would be the option "Indirect
>> Rendering", you should turn it off, as it mostly does not work. Other
>> than that, just try enabling/disabling any option.
>> Resetting to default composite config might also work.
>>
>> >
>> >
>> > --
>> >
>> > --
>> > Wido
>> >
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>
>
> --
> ------------- Codito, ergo sum - "I code, therefore I am" --------------
> The Rasterman (Carsten Haitzler)    ra...@ra...
>