vbo: Correctly handle source arrays in vbo_split_copy.

The original approach did optimize away a bit too many fields.
Restablish the pointer into the original array and correctly feed that
one.

Reviewed-by: Brian Paul <brianp@vmware.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105471
Fixes: 64d2a20480547d5897fd9d7b8fd306f2625138cb
    mesa: Make gl_vertex_array contain pointers to first order VAO members.
Signed-off-by: Mathias Fröhlich <Mathias.Froehlich@web.de>
1 file changed