Hi J.P. I'm still knee deep in merging submissions so can't yet go off reviewing user code. In principle it is possible to mange open and closing viewers. I can point you in the right direction but have to let you get on with it otherwise.
Robert. On Tue, Nov 24, 2009 at 12:32 PM, J.P. Delport <jpdelp...@csir.co.za> wrote: > Hi Robert, > > Robert Osfield wrote: >> >> Hi J.P, >> >> The typical problem is that the scene graph has been set up to unref >> texture images after apply so when it comes to reloading the texture >> images there aren't the to download. > > should this still happen when I'm completely reloading a scene after the > viewer and scene have been deleted completely? > > It seems that OSG thinks there is still a valid texture it can use after > I've deleted the scene and CompositeViewer. > > Running the attached e.g.: > ./test cow.osg > > Constructing PixelBufferObject for image=0x9547928 > _maxTexturePoolSize=0 > _maxBufferObjectPoolSize=0 > Created new TextureObject, _numOfTextureObjects 1 > Created new TextureObject, _numOfTextureObjects 1 > > now I click the X on the window and the app deletes the scene and viewer and > creates them anew: > > _maxTexturePoolSize=0 > _maxBufferObjectPoolSize=0 > Reusing orhpahned TextureObject, _numOfTextureObjects=1 > Warning: detected OpenGL error 'invalid value' after RenderBin::draw(,) > Reusing orhpahned TextureObject, _numOfTextureObjects=1 > Warning: detected OpenGL error 'invalid value' after RenderBin::draw(,) > > So it tries to reuse something that's not there? How can I convince OSG to > drop all caches/buffers/GL objects? > > jp > > >> >> Robert. >> >> On Tue, Nov 24, 2009 at 9:17 AM, J.P. Delport <jpdelp...@csir.co.za> >> wrote: >>> >>> Hi all, >>> >>> I've run into the classic "missing textures" problem when stopping and >>> restarting a compositeviewer multiple times in the same app. From >>> previous >>> threads on this problem it seems to be context cleanup/GL object cleanup >>> that does not get done properly, but I'm just using the normal >>> CompositeViewer and not messing with contexts/windows/sceneviews myself, >>> so >>> I thought the cleanup would be handled correctly. >>> >>> Attached a very slightly modified compositeviewer example. All it does is >>> create/destruct the compositeviewer 5 times. When the viewer is created >>> for >>> the second time, all my textures are gone (just run without any >>> arguments). >>> >>> Can anyone confirm the missing textures? Any hints as to what else needs >>> to >>> be done to make sure everything is cleared/flushed correctly? >>> >>> thanks >>> jp >>> >>> -- >>> This message is subject to the CSIR's copyright terms and conditions, >>> e-mail >>> legal notice, and implemented Open Document Format (ODF) standard. The >>> full >>> disclaimer details can be found at http://www.csir.co.za/disclaimer.html. >>> >>> This message has been scanned for viruses and dangerous content by >>> MailScanner, and is believed to be clean. MailScanner thanks Transtec >>> Computers for their support. >>> >>> >>> _______________________________________________ >>> osg-users mailing list >>> osg-users@lists.openscenegraph.org >>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >>> >>> >> _______________________________________________ >> osg-users mailing list >> osg-users@lists.openscenegraph.org >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> > > -- > This message is subject to the CSIR's copyright terms and conditions, e-mail > legal notice, and implemented Open Document Format (ODF) standard. The full > disclaimer details can be found at http://www.csir.co.za/disclaimer.html. > > This message has been scanned for viruses and dangerous content by > MailScanner, and is believed to be clean. MailScanner thanks Transtec > Computers for their support. > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
