On Mon, 2012-09-03 at 21:32 +0100, Alasdair wrote: > On Mon, 2012-09-03 at 09:39 -0600, syd adams wrote: > > Im running Ubuntu , still get that problem.I've added the radar to my > > intrumentation file in my affected aircraft , and the problem is > > gone.Strange. > > Syd > > > > On Mon, Sep 3, 2012 at 2:23 AM, Alasdair <ali...@btinternet.com> wrote: > > > On Mon, 2012-09-03 at 01:06 +0200, ThorstenB wrote: > > >> > On Sun, Sep 2, 2012 at 11:31 AM, Alasdair <ali...@btinternet.com> > > >> > wrote: > > >> >> After git pull (sg,fg,fgdata) a couple of days ago, I was presented > > >> >> with a > > >> >> strange screen which I had not seen before. My regular was shown as a > > >> >> sub-screen in the bottom-left corner. Clicking the maximise widget > > >> >> restores > > >> >> full screen, but any click on a menu item returns me to this stupid > > >> >> screen. > > >> >> Is this infuriating behaviour deliberate, or has my graphics driver > > >> >> gone > > >> >> walk-about? > > >> >> > > >> >> https://dl.dropbox.com/u/15936159/fg_quarter-screen.png > > >> > > >> Unfortunately a long standing issue. This affects ATI graphics cards > > >> when running newer drivers. It can be "fixed" by reverting to an older > > >> ATI driver (see link below). To me it looked like a genuine OSG or ATI > > >> driver bug (the size of the graphics view port doesn't properly resize > > >> to the size of the window), but it's likely triggered by something > > >> "special" we're doing in FG, since other applications don't seem to have > > >> this issue. > > >> > > >> Also, it's timing-/sequence dependant: it only affects certain aircraft > > >> (aircraft using wxradar, which changes/delays the OSG init sequence on > > >> startup, are less likely to have the issue) - and for some people it > > >> dis- and reappears with certain FG builds. > > >> > > >> It would be really good if someone seeing the issue locally could > > >> properly debug this - even if it means digging into OSG - since a larger > > >> number of people are affected. I tried "remote debugging" this a while > > >> ago, but gave up after being unable to narrow it down inside FG. Maybe > > >> someone else has better luck. > > >> > > >> For more see here: > > >> http://code.google.com/p/flightgear-bugs/issues/detail?id=385 > > >> > > >> cheers, > > >> Thorsten > > >> > > > Thanks very much for the link, Thorsten, it is a good start. But strange > > > that this problem, should just appear without any driver change. But I > > > am using Debian SID, and update my system daily, so it could be > > > OS-related. > > > I will install UBUNTU and try the same build under that OS. > > > > > > regards, > > > Alasdair > > > > OK I tried building the same git version on Ubuntu (different gcc > version) Same problem. Tried a complete fresh clone (sg/fg/fgdata) Same > problem. Downloaded and built 2.8.0 and built with same script : NO > problem. So this is a git problem and fairly recent too. > 0- > Most aircraft I have tested behave properly, but the ones that have this > strange viewport problem include : c172p, b1900d, SenecaII. > > The viewport changes immediately after the splash screen displays > "initializing graphics engine". > > Maybe someone can figure out what these have in common that the 707, > 737-300, 777-200ER, A-10, A300, aerostar700, alphajet, b29, bf109g, > Bravo, c310, Citation*, CRJ700ER, Cub and pa24-250-CIIB do not. > > I cannot therefore attribute this problem to the Catalyst driver. > My git pull/build of 12 Aug did not display this problem. That of 1 Sep > did. So I reckon it must have been a commit made between these dates. > > Alasdair > Further research shows that for the b1900d & SenecaII, this problem goes way back to 2.6.0. It has only become apparent (in my case) for the c172p in recent git pulls. I will attempt to find exactly when, but I am having to learn git as I go :-( Since the c172p is my aircraft of choice, the problem has gone unnoticed up till now.
Thanks to all who are helping me resolve this issue. Alasdair ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
