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List:       kde-kimageshop
Subject:    Re: projection pyramid
From:       Dmitry Kazakov <dimula73 () gmail ! com>
Date:       2009-09-23 20:51:59
Message-ID: ae32c1ef0909231351h36a59a5bsbac227322e15e25f () mail ! gmail ! com
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On Thu, Sep 24, 2009 at 12:13 AM, Cyrille Berger <cberger@cberger.net>wrote:

> On Wednesday 23 September 2009, Boudewijn Rempt wrote:
> > Hi,
> >
> > I was wondering of the projection pyramid/mipmapping thing is ready to be
> > enabled by default.
>

It needs synchronization with KisImage when reading from projection. Other
way there are too much flickering and some bugs. And it should be threaded
well, to work faster than cache. Projection fix first.


> And -- does it help with saving memory, compared to the
> > big QImage cache?
> >
> I got crashes with it when working on fixing the update of the canvas.
> (might
> as well be just because the image wasn't correctly connected to it, I don't
> know)
>

I've not seen any crashes. Only artifacts caused by races.


>
> --
> Cyrille Berger
> _______________________________________________
> kimageshop mailing list
> kimageshop@kde.org
> https://mail.kde.org/mailman/listinfo/kimageshop
>



-- 
Dmitry Kazakov

[Attachment #5 (text/html)]

<div class="gmail_quote">On Thu, Sep 24, 2009 at 12:13 AM, Cyrille Berger <span \
dir="ltr">&lt;<a href="mailto:cberger@cberger.net">cberger@cberger.net</a>&gt;</span> \
wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, \
204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div class="im">On Wednesday 23 \
September 2009, Boudewijn Rempt wrote:<br> &gt; Hi,<br>
&gt;<br>
&gt; I was wondering of the projection pyramid/mipmapping thing is ready to be<br>
&gt; enabled by default. </div></blockquote><div><br>It needs synchronization with \
KisImage when reading from projection. Other way there are too much flickering and \
some bugs. And it should be threaded well, to work faster than cache. Projection fix \
first.<br>  </div><blockquote class="gmail_quote" style="border-left: 1px solid \
rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div \
class="im">And -- does it help with saving memory, compared to the<br> &gt; big \
QImage cache?<br> &gt;<br>
</div>I got crashes with it when working on fixing the update of the canvas. \
(might<br> as well be just because the image wasn&#39;t correctly connected to it, I \
don&#39;t<br> know)<br></blockquote><div><br>I&#39;ve not seen any crashes. Only \
artifacts caused by races. <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>
<font color="#888888">Cyrille Berger<br>
</font><div><div></div><div \
class="h5">_______________________________________________<br> kimageshop mailing \
list<br> <a href="mailto:kimageshop@kde.org">kimageshop@kde.org</a><br>
<a href="https://mail.kde.org/mailman/listinfo/kimageshop" \
target="_blank">https://mail.kde.org/mailman/listinfo/kimageshop</a><br> \
</div></div></blockquote></div><br><br clear="all"><br>-- <br>Dmitry Kazakov<br>



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