On Sun, 21 Jul 2002, Mark Vojkovich wrote:
> On Sun, 21 Jul 2002, Andrew C Aitchison wrote:
>
> >
> > The color map handling code (in both the server and each driver)
> > has lines like:
> >
> > if((1 << pVisual->nplanes) > pScreenPriv->maxColors) {
> >
> > So far pVisual->nplanes, which is often equal to the depth,
> > doesn't exceed 24*, so no problems.
> >
>
>
> #define DEPTH_TO_COLORS(d) ((((d) - 1) << 1) | ((((d) - 1) << 1) - 1))
#define DEPTH_TO_COLORS(d) ( (1<< ((d)-1)) | ( (1<<((d)-1)) - 1) )
looks good for d=32.
I guess I can put in a comment and assume that d>32 requires major
reworking on the server.
Thanks.
--
Dr. Andrew C. Aitchison Computer Officer, DPMMS, Cambridge
[EMAIL PROTECTED] http://www.dpmms.cam.ac.uk/~werdna
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