mesa: Changes to 'master'

[Brian Paul]

 src/mesa/drivers/x11/xm_dd.c |   27 ++++++++++++++++++++-------
 src/mesa/main/framebuffer.c  |    3 +++
 src/mesa/swrast/s_blit.c     |    3 +++
 src/mesa/swrast/s_drawpix.c  |    7 ++++++-
 src/mesa/swrast/s_triangle.c |   10 ++++------
 5 files changed, 36 insertions(+), 14 deletions(-)

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

New commits:
commit 2a077500a84819d1e6ac62e84ded130aa655c5e9
Author: Brian <brian.paul at tungstengraphics.com>
Date:   Tue Jan 22 21:11:55 2008 -0700

    Fix some issues with glDrawBuffer(GL_NONE), bug 14198
    
    Set _ColorDrawBuffers[0] = NULL if no renderbuffers enabled.
    Check that _ColorDrawBuffers[0] is non-null before dereferencing in a few places.