** Changed in: unity-2d
Status: Fix Committed => Fix Released
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Title:
Unity 2D Wrong Colours for icons on PowerPC
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** Changed in: unity-2d
Milestone: 3.10 => 3.8.6
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Title:
Unity 2D Wrong Colours for icons on PowerPC
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** Branch linked: lp:ubuntu/unity-2d
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Title:
Unity 2D Wrong Colours for icons on PowerPC
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This bug was fixed in the package unity-2d - 3.8.6-0ubuntu1
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unity-2d (3.8.6-0ubuntu1) oneiric; urgency=low
* New upstream release:
- [launcher] Support static shortcuts in the quicklists. (LP: #669923)
- [launcher] Make sure the whole area of the item tile handle mouse e
** Changed in: unity-2d
Status: In Progress => Fix Committed
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Title:
Unity 2D Wrong Colours for icons on PowerPC
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That's great news Olivier!
I'm very pleased to have been able to give something back to Ubuntu, not to
mention quite proud!
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Title:
Unity 2D Wron
Thanks for testing Paul, that’s good news, I’m going to submit a merge
request so we can merge this code in the trunk. And thanks for your
thorough investigation and for the original solution!
For information, the version I wrote is largely inspired by the code of
QImage::rgbSwapped(), I didn’t re
@Olivier: I built your code and I can confirm it works properly on my
ppc G5.
Interesting to see how you directly manipulate the pixels using
pointers; I have a lot to learn!
This line:
QRgb* end = p + image.width();
struck me as particularly clever...
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@Paul: I reworked a bit your code, it should hopefully be more efficient
now for the same end result, you can check it out at lp:~osomon/unity-
2d/bigendian. Testing and feedback welcome!
** Changed in: unity-2d
Status: New => In Progress
** Changed in: unity-2d
Milestone: None => 3.10
Looking at scanLine I wonder if we can't do something even lower-level.
We don't actually need to use the QRgb, qRed, qBlue etc values - all we
need to do is take each block of four bytes from the address given by
scanLine and reverse their order. That should be the fastest way I would
think?
I've
** Branch linked: lp:~osomon/unity-2d/bigendian
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Title:
Unity 2D Wrong Colours for icons on PowerPC
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I'm not surprised to hear that my code is inefficient, I was just
pleased to get the byte-order correct and to prove the concept so at
least that doesn't have to done again. I work in Python mostly and
picked the most 'Pythonesque-looking' methods!
Thanks for the info on the preprocessor directive
Great work Paul! As I mentioned earlier, I don’t have the hardware to
test, but your patch looks sane to me. I have a couple of remarks:
1) To make this architecture-dependent, enclose your kludge in the
following preprocessor directives:
#if Q_BYTE_ORDER == Q_BIG_ENDIAN
…
#endif
2)
Aha! Ignore #19. I just did a proper installation (creating debs rather
than just running cmake directly) and the dash icons all work properly
too! I now have a beautiful unity-2d interface on my G5 and am very
happy. The underlying bug is really in Qt4, but I guess that's not going
to get fixed.
Well, I have one right here ;-)
My code isn't pretty, but it works (I don't write a lot of C)
Like I posted, the dash and lenses still need the fix, but I'm hoping
the same code could be slotted in, once I find where that is!
If I can do any testing let me know
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Awesome Paul, that looks very promising!
I will for sure have a look at your code, even though I don’t have PowerPC at
hand to test.
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Title:
Unit
My kludge doesn't seem to fix the icons in the dash (I think it's
called) and I can't see where in the code the manipulation of these
images takes place. Help!?
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Here's the kludged code - it's my first ever attempt at a patch
I'm now really hoping that a proper dev can do something with this. (I'm
hinting at Olivier Tilloy here...)
** Attachment added: "iconimageprovider.cpp"
https://bugs.launchpad.net/ubuntu/+source/unity-2d/+bug/758782/+attachment/
I've written a kludge that gives me the right colours! :-)
It needs to be wrapped in something to test for powerpc architecture,
which I haven't yet learned how to do and to be packaged as a deb,
likewise...
I'm pleased to have sorted out the logic though
** Attachment added: "Screenshot.png"
http://www.archivum.info/qt-inter...@trolltech.com/2010-04/00352/Re
-%28Qt-interest%29-Quicktime-C--gt-QImage.html
looks like it has the logic needed.
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Further digging reveals it might still be fixable within Unity-2D
Maybe in iconimageprovider.cpp ??
It looks like for powerpc architecture there needs to be a kludge to fix the QT
behaviour/Apple behaviour mismatch to manually swap the byte order of the
colours.
Fixing this is, frankly, beyond m
Actually, I think there are two bugs here... It looks like QT has an
endian problem (used in unity-2d) and nouveau has one (used in 3d -
although I can only use software dri on my machine)
@Rogerio, very interesting work on grub! If I can be of any help with
this or other issues I am keen to get m
Hi, Paul.
Well, quite probably. It seems that the new gallium 3d drivers may have
endianness issues at the moment. At least they seem to do with the ATI
drivers.
I do plan on getting involved in the release of the next versions of
Ubuntu for powerpc, now that the dust settles. In particular, I wo
Ah, big/little endian problem :-(
So it's not a Unity bug at all - is it a driver bug? Nouveau driver?
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Title:
Unity 2D Wrong Colours for icons on
Just for the record, these kind of problems with colors "changed" are
usually the sign of wrong endianness (i386 and amd64 are little-endian,
while powerpc is big-endian).
Regards, Rogério Brito.
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More guesswork...
This may not be a bug in unity-2d at all. I noticed that when running
the 'matrix' screensaver on the ppc, the characters appear purple,
rather than green like on my PC. I suspect that there is something more
fundamental with the way colours are mapped for accelerated displays
(?
Icons using the default background colour look better than ones using
the calculated colour - see screenshot. Is there a way of disabling the
background colour? I saw in the qml files that there was a bool value to
set this, but I could not find where the setting actually gets done. Any
help much a
I tried the nv driver, it gave me no display at all! Had to chroot to reinstall
nouveau.
Also tried the libgl1-mesa-dri-experimental driver, no change
Tried different theme, the icons change but the colours remain 'weird'
I'm not familiar with the code for unity - if anyone who is could
suggest s
>From my limited previous experience on vaguely similar problems, I think
this is a problem with the colour depth of the icons vs the capability
of the video driver. I have an nvidea geforce 6600LE and the driver is
nouveau. Since ubuntu ditched the xorg.conf file I don't know how to
play with any
It is very cool :-)
On 15/04/11 09:37, Olivier Tilloy wrote:
>> I attached a couple of screenshots to the bug report
> Thanks for the screenshots Paul! That looks rather bad indeed… yet it
> runs on PowerPC, and that is cool :)
>
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> I attached a couple of screenshots to the bug report
Thanks for the screenshots Paul! That looks rather bad indeed… yet it
runs on PowerPC, and that is cool :)
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