Hi, On 7 Dec 2007, at 15:58, Robert Osfield wrote:
> > Looking at your code you are setting a uniform with the projection > matrix. Perhaps you can dispense with this completely as OpenGL > itself has the projection matrix as a built in uniform. Unfortunately not, the uniform in question is attached to a different RTT camera , with a different scene and destination to the one that's producing the matrix I want. The matrix in question is being used to render a complex 3D scene to an FBO, which the camera using the uniform renders using a simple textured quad to another FBO. The camera rendering the textured quad naturally has a different projection matrix (identity, vs perspective) to the one used to render the scene into the first FBO texture. What I need is the projection matrix that was used to generate the RTT texture when I'm "blitting" it to another destination with a textured quad. > > Robert. > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users- > openscenegraph.org > Thanks, Alan _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
