On Sun, 2002-06-30 at 06:22, Jeffrey Baker wrote:
> On Sat, Jun 29, 2002 at 01:12:45PM +0200, Michel D?nzer wrote:
> > On Thu, 2002-06-27 at 19:31, Jeffrey Baker wrote:
> > > Hi there.  Since installing 4.2.0 -- first from XFree86 tarballs and
> > > then from Debian packages -- I have noticed garbled parts of my
> > > display.  The problem seems to be with icons or pictures.  I have
> > > taken some scraps of a screenshot:
> > > 
> > > http://atari.saturn5.com/~jwb/crap.png
> > > 
> > > The upper part is the toolbar from Adobe Acrobat Reader 5.  The
> > > bottom part is the message window of GAIM.  Acrobat uses Motif,
> > > while GAIM uses GTK+.  I didn't have this problem before with 4.1,
> > > and I don't have this problem in most applications.
> > > 
> > > I am using a Radeon All-in-Wonder with the ati driver and a flat
> > > panel at 1600x1200 with 24-bit color.  The following extensions are
> > > available according to xdpyinfo:
> > > 
> > >     BIG-REQUESTS DOUBLE-BUFFER DPMS Extended-Visual-Information
> > >     FontCache GLX LBX MIT-SCREEN-SAVER MIT-SHM
> > >     MIT-SUNDRY-NONSTANDARD RECORD RENDER SECURITY SGI-GLX SHAPE SYNC
> > >     TOG-CUP XC-APPGROUP XC-MISC XFree86-Bigfont XFree86-DGA
> > >     XFree86-DRI XFree86-Misc XFree86-VidModeExtension
> > >     XInputExtension XKEYBOARD XTEST XVideo
> > > 
> > > Anyone else seeing this problem?
> > 
> > I haven't. Can you play with the "XaaNo..." options (man XF86Config-4)
> > to see if any of them make it go away? Start with
> > "XaaNoScreenToScreenCopy", "XaaNoPixmapCache" and
> > "XaaNoOffscreenPixmaps".
> 
> Any of the three options fix the problem.  XaaNoScreenToScreenCopy
> causes tremendous performance problems.  The other two do not have
> immediately apparent performance impacts.  

One possible cause is that the hardware clipping functions are broken.
They either need to be fixed to preserve the DP_GUI_MASTER_CNTL register
contents or not be used.


-- 
Earthling Michel D�nzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member   /  CS student, Free Software enthusiast
_______________________________________________
Xpert mailing list
[EMAIL PROTECTED]
http://XFree86.Org/mailman/listinfo/xpert

Reply via email to