Thank you Stephan, I'll try to simplify my code and post it here later. Alessandro
On Sat, Apr 23, 2011 at 11:00 AM, Stephan Huber <[email protected]>wrote: > Hi, > > it's hard to tell what's going wrong on your end without seeing the > code. Texture-subloading works on IOS in general, if you are using an > osg::Image which is attached to an osg::Texture and set it's dirty-flag. > > As a general note: TextureRectangle is not supported on OpenGL ES, > there's an extension to use NPOT Texture2Ds on IOS, which is supported > and used by osg. > > HTH, > Stephan > > Am 22.04.11 22:54, schrieb Alessandro Terenzi: > > I'm trying to use a SubloadCallback to update a NPOT texture in an app > for > > iOS. Actually the very same logic seems to work fine on a PC but on iOS > it > > is not working: I always get a flat-white color on the plane supposed to > be > > textured (I'm referring to the examples about SubloadCallbacks that can > be > > found in the forum and I'm using the latest tagged version of OSG > 2.9.12). > > > > When I execute the app, I notice that the load method generates this > > warning: > > > > *Warning: detected OpenGL error 'invalid operation' at After > > Renderer::compile > > * > > and the subload method: > > > > *Warning: detected OpenGL error 'invalid operation' at after > > RenderBin::draw(..)* > > (repeated forever...) > > > > Is there something that must be done for iOS in order to successfully use > > SubloadCallbacks? By the way, I also tried to override > > the textureObjectValid(.) method so that it always returns true (as > > suggested in another thread), this makes it to work on a PC but not yet > on > > iOS devices. > > > > Thank you for your help. > > Alessandro > > > > > > > > > > _______________________________________________ > > osg-users mailing list > > [email protected] > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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