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List: kwin
Subject: Re: Desktop effects + intel problem
From: "=?UTF-8?Q?Br=C3=A1ulio_Barros_de_Oliveira?=" <brauliobo () gmail ! com>
Date: 2008-07-17 16:00:19
Message-ID: 1df1788c0807170900q4d929dd5r34c388a72a8beaf () mail ! gmail ! com
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On Thu, Jul 17, 2008 at 6:00 AM, Michel Dänzer <michel@tungstengraphics.com>
wrote:
> On Wed, 2008-07-16 at 20:58 -0400, Bráulio Barros de Oliveira wrote:
> >
> > I don't know why disabling "Direct rendering" option on kwin's desktop
> > effects config. dialog doesn't help.
>
> It works for me, though this is on a Radeon chipset.
>
> Note that if this is with a Mesa pre-7.1 snapshot on an i965 generation
> Intel chipset, there are a couple of bugs there affecting this.
>
>
> > Maybe the problem has something to do with the opengl interface, as
> > GLX_EXT_texture_from_pixmap appears on my glxinfo:
>
> The problem is that it only appears twice, whereas three times are
> required. ;) Seriously though, it's missing from the 'GLX extensions:'
> string, which is the only GLX extension string relevant for
> applications. Without something like DRI2, GLX_EXT_texture_from_pixmap
> only appears there when LIBGL_ALWAYS_INDIRECT=1 is set, although it may
> work regardless with an indirect rendering context.
Maybe the GL support kwin needs is something else, cause it set
LIBGL_ALWAYS_INDIRECT to 1 unconditional.
Also setting it at login time doesn't help. I think the best thing is to
wait the xorg 7.4 and mesa 7.1 exciting stuff.
Thanks for your support,
bráulio
>
>
> Hope this helps,
>
>
> --
> Earthling Michel Dänzer | http://tungstengraphics.com
> Libre software enthusiast | Debian, X and DRI developer
>
>
[Attachment #5 (text/html)]
<div dir="ltr">On Thu, Jul 17, 2008 at 6:00 AM, Michel Dänzer <<a \
href="mailto:michel@tungstengraphics.com">michel@tungstengraphics.com</a>> \
wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" \
style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; \
padding-left: 1ex;"> <div class="Ih2E3d">On Wed, 2008-07-16 at 20:58 -0400, Bráulio \
Barros de Oliveira wrote:<br> ><br>
> I don't know why disabling "Direct rendering" option on kwin's \
desktop<br> > effects config. dialog doesn't help.<br>
<br>
</div>It works for me, though this is on a Radeon chipset.<br>
<br>
Note that if this is with a Mesa pre-7.1 snapshot on an i965 generation<br>
Intel chipset, there are a couple of bugs there affecting this.<br>
<div class="Ih2E3d"><br>
<br>
> Maybe the problem has something to do with the opengl interface, as<br>
> GLX_EXT_texture_from_pixmap appears on my glxinfo:<br>
<br>
</div>The problem is that it only appears twice, whereas three times are<br>
required. ;) Seriously though, it's missing from the 'GLX \
extensions:'<br> string, which is the only GLX extension string relevant for<br>
applications. Without something like DRI2, GLX_EXT_texture_from_pixmap<br>
only appears there when LIBGL_ALWAYS_INDIRECT=1 is set, although it may<br>
work regardless with an indirect rendering context.</blockquote><div>Maybe the GL \
support kwin needs is something else, cause it set LIBGL_ALWAYS_INDIRECT to 1 \
unconditional.<br>Also setting it at login time doesn't help. I think the best \
thing is to wait the xorg 7.4 and mesa 7.1 exciting stuff.<br> <br>Thanks for your \
support,<br>bráulio<br><br> </div><blockquote class="gmail_quote" \
style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; \
padding-left: 1ex;"><br> <br>
<br>
Hope this helps,<br>
<font color="#888888"><br>
<br>
--<br>
Earthling Michel Dänzer | \
<a href="http://tungstengraphics.com" \
target="_blank">http://tungstengraphics.com</a><br> Libre software enthusiast \
| Debian, X and DRI \
developer<br> <br>
</font></blockquote></div><br></div>
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