X11DRV_DIB_[Get/Set]ImageBits in 1, 4 and 8 bit X modes.
fgouget at free.fr
Thu Feb 21 19:30:09 CST 2002
On Thu, 21 Feb 2002, Mike Utke wrote:
> David Hammerton wrote:
> > Hi,
> > I'm presently modifying the X11DRV dibsection code for slight speed
> > improvements using shared memory pixmaps and the like. Im into the "clean up
> > and make it work on all systems" stage of thing, and I have a question.
> > Do people ever worry about what happens if the user is running in a 1, 4 or 8
> > bit X mode? This has some wacky code, which I am unable to test on my machine
> > (or any machine around).. So i'm implementing what I think _should_ do the
> > trick - but I have no idea if it will work..
> > Is it a big issue?
> > Any suggestions to the problem?
> I recalled François Gouget's VNC work from October and found the message
> where he described how to use it to test various combinations:
> I'm now saying that this will work in 1, 4 or 8 bit configurations, but
> it's worth a try. It might also be worthwhile to make sure your code
> works with several '-pixelformat's to test compatibility.
You can use VNC to test 8bpp true-color modes, but I think David
Hammerton had 'palettized' modes in mind. In that case, the only
solution I can see is to run the VGA XFree driver. It's not as practical
but is the only solution I know of. Pretty much all graphics cards
should be able to use it as all it requires is VGA support.
Francois Gouget fgouget at free.fr http://fgouget.free.fr/
The nice thing about meditation is that it makes doing nothing quite respectable
-- Paul Dean
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