xf86-video-intel: Changes to 'projective-965'

[Keith Packard]

New branch 'projective-965' available with the following commits:
commit 0f7b493422fe5073c8842d04561f5e7f927aa0cf
Author: Keith Packard <keithp at keithp.com>
Date:   Sun Mar 30 00:54:51 2008 -0700

    Reimplement wm program for nomask case to handle affine transforms
    
    This involves correctly computing u/v locations based on x/y vectors and
    line constants computed in new sf program.
    
    Also, use fewer instructions to make this go a bit faster (2X for 500x500
    composite).

commit 7ab86ae657599c98690e0da9d27ab3ddc54f1529
Author: Keith Packard <keithp at keithp.com>
Date:   Sun Mar 30 00:54:07 2008 -0700

    Clarify comment in exa_sf program

commit 1d59ddc8aa7bbac36e520d91304ed6eb9d8f5040
Author: Keith Packard <keithp at keithp.com>
Date:   Sat Mar 29 14:28:05 2008 -0700

    Compute du/dv/dw in no-mask SF prog

commit a8f28285cfad0636bfd9ce1e4f56e417eee4ca8f
Author: Keith Packard <keithp at keithp.com>
Date:   Sat Mar 29 14:27:35 2008 -0700

    Disable cursors while switching modes