Hi, I'm developing some custom patches for QC to render OpenGL primitives. I saw that this patches are embeddable in a GLSL macro. For example, if I write a patch P that renders a cube, if I put P into a GLSL macro I can modify vertex and fragment shader for the cube. Is it possible to invert the process? I mean: is it possible to write a custom OpenGL macro M that receives vertices from the OpenGL-patches inside it? For example, if I render a quad Q with LG Quad kineme patch and put it into M, is it possible to 'catch' Q vertices inside the custom macro M and shade them as I want? One possible use of this process is a possible shadow-mapping implementation..
Thank you! Luke
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