> > We currently allow partial specification of position, requiring only > (x, y) and filling in z as 0 and w as 1 if missing. Is that still > valid? Similarly, colors may be specified as (r, g, b) triplets with > no alpha, and alpha defaults to 1. Is that still valid, or are there > changes further up the API that make this not needed?
I don't think either of those statements are true, except for the special case that in the fragment shader *only* position.z is writeable - ie the x,y coordinates are already fixed, and there is no meaning to writing the position.w coordinate once you're inside the fragment shader. Keith _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
