[VirtualGL-Users] vglrun doesn't work with Animator4

2011-03-24 Thread Chen Bill
Hi , I have a problem trying to run Animator4 with vglrun. It seems it doesn't work even I use vglrun. When I run vglrun a4 it just like I use a4. error messages: = QGLContext::makeCurrent(): Cannot make invalid context current.

Re: [VirtualGL-Users] VirtualGL Linux wine crash in versions newer than 1.3.10

2011-03-24 Thread DRC
With the help of nVidia, I was able to get to the bottom of what's going on with WINE 1.3.11+. In fact, it has nothing to do with WINE. Any application that attempts to call glXSwapIntervalSGI() with a Pbuffer current will cause nVidia GLX to trip a BadWindow error. This has been the case at

Re: [VirtualGL-Users] If the application sets GL_{RED|GREEN|BLUE|ALPHA}_{SCALE|BIAS} to non-default...

2011-03-24 Thread Nathan Kidd
Hi Darrell, This is the 2nd fairly recent issue I notice you tracked down to drivers being very unhappy with specific modes set. I'm curious, how did you go about figuring out which call was killing the driver? Is it trial-and-error or you have a GL-driver-writer's mind and can make

Re: [VirtualGL-Users] 32-bit server with 64-bit client works, but 64-bit server and 32-bit client does not?

2011-03-24 Thread DRC
It seems to be an issue with the ATI drivers. You can reproduce it simply by running glxinfo without even getting VirtualGL involved. I've reproduced it using the latest (v8.773) Catalyst drivers on RHEL 4 and with several different types of remote X server and X proxy configurations. It seems

Re: [VirtualGL-Users] vglrun doesn't work with Animator4

2011-03-24 Thread DRC
On 3/24/11 3:45 PM, Nathan Kidd wrote: From those messages it seems that a4 does some internal checks and doesn't like it when VGL redirects and/or modifies certain GLX state. You can run with +tr (VGL_TRACE) option to see if you can find out what VGL was doing when a4 became unhappy. To

Re: [VirtualGL-Users] If the application sets GL_{RED|GREEN|BLUE|ALPHA}_{SCALE|BIAS} to non-default...

2011-03-24 Thread DRC
No, I'm not that smart. :) These have all been cases of someone specifically leaving a particular mode set, experiencing readback problems, and reporting it to me. This specific bug report is here: http://sourceforge.net/tracker/?func=detailaid=3234376group_id=117509atid=678327 On 3/24/11