On 21 Dec 2001, Michel D�nzer wrote:
> On Wed, 2001-12-19 at 19:24, Mark Vojkovich wrote:
> > On Tue, 18 Dec 2001, Chris Ortega wrote:
> >
> > >
> > > I installed 4.1.0 and now all the fonts are just boxes..is there a missing
> > > file or a bug in the install
> > >
> > > I have tried multiple install techniques and no luck...thanks...
> >
> > Could be an acceleration bug in the driver. You didn't mention
> > which card you have. If Option "NoAccel" in the Section "Device"
> > makes it go away, that's what it is. If not, it's something else.
>
> Have you actually seen a driver bug causing all characters to appear as
> boxes? I have experienced that when upgrading from 4.0.3 to 4.1.0 and it
> went away when I restarted the font server.
Sure. Many graphic engines are programmed like follows:
1) The destination is a rectangle x,y,w,h.
2) The source color comes from one of the following: the color0
register, the color1 register, color data from the CPU, monochrome
data from the cpu. We want the last one.
3) monochrome data from cpu specific parameters. choices:
a) 0 bit means color0, 1 bit means color1.
b) 0 bit means transparent, 1 bit means color1.
c) a) but reversed.
d) b) but reversed.
This is just generic graphics engine description. Most are more
complicated than this. If step 2 has changed between chip models
you can draw solid boxes. I would expect a bug like that before
I would expect a font rendering bug.
Mark.
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