On Mon, May 20, 2002 at 04:46:41PM +0100, Keith Whitwell wrote:
> Michael,
>
> I've added some code in the DDX driver to keep the back buffer uptodate so
> that the 'flicker' is gone, and pageflipping looks just like normal
> swapbuffers.
>
> I've done this with the miext/shadow module keeping track of dirty regions and
> then firing off a bunch of blits in the BlockHandler to repair the
> backbuffer. This is pretty simple - 50 lines of code? - there are a couple of
> improvements to be made before I commit.
Boo hoo :o) Can't startx.
Program received signal SIGSEGV, Segmentation fault.
0x64646269 in ?? ()
(gdb) bt
#0 0x64646269 in ?? ()
#1 0x0839c1ae in ?? ()
#2 0x0839ea68 in ?? ()
#3 0x08157c4c in miWindowExposures (pWin=0x8594dd8, prgn=0xbffff990,
other_exposed=0x0) at miexpose.c:536
#4 0x080a3ebd in xf86XVWindowExposures (pWin=0x8594dd8, reg1=0xbffff990, reg2=0x0)
at xf86xv.c:1027
#5 0x083c9c47 in ?? ()
#6 0x080c8bcd in MapWindow (pWin=0x8594dd8, client=0x81cea30) at window.c:2869
#7 0x080c5987 in InitRootWindow (pWin=0x8594dd8) at window.c:522
#8 0x080bead0 in main (argc=1, argv=0xbffffaa4, envp=0xbffffaac) at main.c:439
hmm, I'm running effectively xf4.1 debian unstable + copying XFree, radeon_drv.o and
radeon_dri.so over the top, which has always worked, but perhaps this means "Now do it
properly"? Unless you can see a bug in this patch?
--
Michael.
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