On Mon, 2002-12-16 at 13:47, Keith Whitwell wrote: > Michel Dänzer wrote: > > On Mon, 2002-12-16 at 13:34, Keith Whitwell wrote: > > > >>Michel Dänzer wrote: > >> > >>>On Mon, 2002-12-16 at 10:47, Keith Whitwell wrote: > >>> > >>> > >>>>The 830 page flipping code is turned off for some good reasons: > >>>> - I haven't seen it work without really visible corruption on the flip - > >>>>typically flashing and blank areas > >>> > >>> > >>>Presumably it uses the mi shadow module, and you should try shadowfb > >>>instead? Have you (or anyone else, for that matter) had a chance to try > >>>my patch for the radeon driver? > >> > >>I haven't. I'll have to go back to the last email thread I had on this, with > >>Alan Hourihane, where (I think) I convinced myself once again that there was > >>no way any copying scheme could ever be completely correct, and that only > >>double-drawing could do the job properly. > > > > > > I on the other hand am pretty convinced that double drawing will never > > work. :) Because it doesn't handle unaccelerated primitives, or how does > > it? > > You have to double draw everything. I don't have an implementation, but a > correct one would do those twice, too.
And how is drawing things twice different to drawing them once and then copying? The problem with the mi shadow module is that the copy doesn't happen immediately after drawing. -- Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer XFree86 and DRI project member / CS student, Free Software enthusiast ------------------------------------------------------- This sf.net email is sponsored by: With Great Power, Comes Great Responsibility Learn to use your power at OSDN's High Performance Computing Channel http://hpc.devchannel.org/ _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
