robertosfield wrote: > Hi Peimansh, > > The two options for off screen rendering are a PixelBuffer context or > FrameBufferObject, if you have an existing on screen window in your > application then using a FrameBufferObject becomes preferable. The > way to do it would be to set up your viewer's off screen Camera with > FBO settings and a custom final draw callback to do the read to main > memory. The read will be more efficient if you use a pair of > PixelBufferObjects - the osgscreencapture example illustrates this in > action. > > As you are already using CompositeViewer the most natural thing to do > would be to have a dedicated View with it's master Camera as the > offscreen camera, this way you can control the Camera's view matrix in > straight forward manner in the same way to the rest of the Camera's. > Also during debugging having the option of making this Camera an > onscreen one would give you means to visually QA things as you go > along. > > Robert. > > >
hi thx Robert my problem is gone but I use autocapture example and now I have frame rate problem is there different between these two example? cheers peiman ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=66142#66142 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
