On Tue, 25 Feb 2003 00:46:36 -0800 David Bronaugh <[EMAIL PROTECTED]> wrote:
> On Mon, 24 Feb 2003 21:13:09 -0700 > Keith Whitwell <[EMAIL PROTECTED]> wrote: > > >> > > >> What became of this? It seems to fix the flag in bzflag having the wrong > > >> texture with the r200 driver with SW TCL as well. > > > > > > > > > I think I figured out the underlying problem. > > > > > > In core mesa, all statechanges are preceded by a call to > > > ctx->Driver.FlushVertices(), to ensure all buffered vertices are fired > > > before the state is changed. This is currently set to > > > _tnl_FlushVertices(), which doesn't do anything to notify the driver > > > about this impending statechange. > > > > > > We should probably wrap _tnl_FlushVertices() and install that instead in > > > ctx->Driver.FlushVertices(). > > > > > > I'll code something up & post a patch. > > > > > > Keith > > > > Can you test this change? > > > > Keith > > I've tested it. Radeon 7000. > > I get texture flashing in Quake3 with map q3dm1 in particular, when in the room with > the plasma gun. It's pretty spectacular -- floor goes purple and yellow. Not quite > sure what to make of it. > > Screenshot: (1280x1024, sorry, my flat panel made me do it! I swear!) > > http://bronaugh.linuxboxen.org/q3_glitch.jpg > > I got this with trunk too, without this patch. Hopefully I'm not hitting a hardware > flaw or such in my card (ie, bad ram)... > > It seems to change a lot with motion (whether it's glitched or not) and also > seemingly with time (perhaps lighting?). > > Can someone else confirm this behaviour? You're right. It looks like a SWTCL vertex corruption problem I fixed recently by moving tnl->Driver.Render.Start( ctx ) before emitting indexed vertices in radeon_run_render. Somehow this patch reintroduces the problem. Though I don't see how :-/ > > David Bronaugh > Felix __\|/__ ___ ___ ___ __Tschüß_______\_6 6_/___/__ \___/__ \___/___\___You can do anything,___ _____Felix_______\Ä/\ \_____\ \_____\ \______U___just not everything____ [EMAIL PROTECTED] >o<__/ \___/ \___/ at the same time! ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
