Hi guys, > *From:*[email protected] > [mailto:[email protected]] *On Behalf Of *Pecoraro, > Alexander N > *Sent:* Thursday, 15 September 2011 7:20 AM > *To:* OpenSceneGraph Users > *Subject:* [osg-users] Fixed function pipeline in OSG 3.0.1 > > In OSG version 3.0.1, if I don’t explicitly attach a shader to my scene graph > does it > fall back on the fixed function pipeline or is a fixed function pipeline > equivalent > shader generated for it?
On 15/09/11 3:42 , Christiansen, Brad wrote: > If you don’t attach shaders then the fixed function pipeline is used, unless > you are not > using GLES2, in which case I think shaders are generated for you. I have > never used this > path so I am not sure though. To my knowledge OSG will never automatically generate a shader in any case. It does offer some help for doing so (osg/ShaderAttribute, osgUtil/ShaderGen) but it's still down to the programmer to make use of them. (On recent hardware, the OpenGL driver may transform a FF state into a shader internally, because the FF pipeline is no longer present.) Cheers, /ulrich _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
