On 29/01/14 10:30, DRC wrote: > The bug is easily reproducible. I am suspicious that it might have > something to do with the application's use of FBO's, but I'm not > entirely sure what the problem could be, as other apps that render to > FBO's are known to work with VGL. The application is clearly calling > glXSwapBuffers() (via glutSwapBuffers()) to swap the back buffer to the > front buffer, so that means it has somehow transferred the image from > the FBO into the back buffer already, and thus VirtualGL should be > picking up the pixels. Obviously it isn't, but after 5 hours of poring > over it, I have no clue. I would suggest maybe contacting the voreen > developers to see if they can at least shed some light on how their > application is drawing pixels to the canvas. That could give me a clue > as to why it isn't working properly in VGL.
Many thanks for looking into this. I informed the voreen developers that info is needed. Could it be the use of GLSL? > On 1/27/14 6:49 AM, Dr. Roman Grothausmann wrote: >> Dear Mailinglist members, >> >> >> Our virtualGL setup works perfectly so far (fiji, paraview, VTK-apps, ..), >> except for the render canvas window of voreen (http://voreen.uni-muenster.de/ >> self-compiled) which reacts to mouse input but is always black. When voreen >> ist >> started on a local desktop with a similar system set-up (Debian 7.1, >> 3.2.0-4-amd64, NVIDIA Graphics card) the canvas window works flawlessly and >> shows the actual render image. >> >> Could this be a virtualGL compatibility problem? >> Or do we need some specific options for this application? >> >> Sadly, no error is reported by voreen (see log below). >> >> Many thanks for any help or hints >> Roman > > ------------------------------------------------------------------------------ > WatchGuard Dimension instantly turns raw network data into actionable > security intelligence. It gives you real-time visual feedback on key > security issues and trends. Skip the complicated setup - simply import > a virtual appliance and go from zero to informed in seconds. > http://pubads.g.doubleclick.net/gampad/clk?id=123612991&iu=/4140/ostg.clktrk > _______________________________________________ > VirtualGL-Users mailing list > VirtualGL-Users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/virtualgl-users > -- Dr. Roman Grothausmann Tomographie und Digitale Bildverarbeitung Tomography and Digital Image Analysis Institut für Funktionelle und Angewandte Anatomie, OE 4120 Medizinische Hochschule Hannover Carl-Neuberg-Str. 1 D-30625 Hannover Tel. +49 511 532-9574 ------------------------------------------------------------------------------ WatchGuard Dimension instantly turns raw network data into actionable security intelligence. It gives you real-time visual feedback on key security issues and trends. Skip the complicated setup - simply import a virtual appliance and go from zero to informed in seconds. http://pubads.g.doubleclick.net/gampad/clk?id=123612991&iu=/4140/ostg.clktrk _______________________________________________ VirtualGL-Users mailing list VirtualGL-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/virtualgl-users
