I'm not very familiar with these features, but if this passes piglit tests then
it sounds good to me FWIW.
It's however weird that using draw->pt.max_index + 1 (i.e., maximum fecthed
vertex) for count_from_stream_output works in general. I'd imagine it to be
some sort of runtime determined amou
This adds support to draw for the new features of transform feedback.
a) fix count_from_stream_output, using max_index+1 for now but it looks
like it should be valid as its derived from the vertex elements/vbo.
b) fix striding and dst offsets in output buffers - was just wrong before.
c) fix cra
