mesa: Changes to 'softpipe_0_1_branch'

[Brian Paul]

 src/mesa/pipe/p_context.h          |   66 ++++++++++++++++++++++++-------------
 src/mesa/state_tracker/st_cb_fbo.c |    2 -
 2 files changed, 45 insertions(+), 23 deletions(-)

commit diffs at http://gitweb.freedesktop.org/?p=mesa/mesa.git;a=summary

New commits:
commit 8a868919b50bdca4dc697d61e220a8fb50764f8e
Author: Brian <brian.paul at tungstengraphics.com>
Date:   Wed Aug 22 12:41:59 2007 -0600

    Improved pipe_region/surface_reference() functions
    
    Now dereferences the old object first.
    Target object may be NULL to clear the pointer.