xserver: Changes to 'transform-proposal'

[Keith Packard]

New branch 'transform-proposal' available with the following commits:
commit 90b55ca9a5b11f8135697935121bc64705b733b6
Author: Keith Packard <keithp at keithp.com>
Date:   Thu Mar 13 21:31:12 2008 -0700

    Wire up RandR CRTC transform protocol, bump server to RandR 1.3
    
    This involved removing a pile of matrix code from the DDX,
    as well as moving a bit of transform logic from DDX to DIX.

commit 404de981559a0240ba86134542ff71fe7647c868
Author: Keith Packard <keithp at keithp.com>
Date:   Thu Mar 13 21:30:18 2008 -0700

    Add funcs to convert between protocol and pixman matrices

commit 3bf59c2fac5940abb9aad7029317b3e4eec62b50
Author: Keith Packard <keithp at keithp.com>
Date:   Thu Mar 13 21:29:19 2008 -0700

    Randr now depends on Render for matrices

commit e65e9b4b121c245c5ff9903f113481b04b5c7dbb
Author: Keith Packard <keithp at keithp.com>
Date:   Thu Mar 13 14:50:13 2008 -0700

    Export a bunch of matrix operations from render.
    
    The render extension uses many matrix operations internally, this change
    exposes those functions to other parts of the server, drivers and
    extensions. The change is motivated by the 'transform' additions to the
    RandR extension but will likely be useful elsewhere.

commit 3c01bd180d32b27be217cfabc0cf806f6075e95d
Author: Keith Packard <keithp at keithp.com>
Date:   Thu Mar 13 14:26:01 2008 -0700

    Add projective transforms to RandR DIX/DDX API.
    
    New RRCrtcGetTransform function in DIX that DDX can use to get the pending
    transform. The DDX code should be complete; the DIX code is just a stub at
    this point.