mesa: Changes to 'master'

[Michel Daenzer]

 src/mesa/drivers/dri/i915/intel_blit.c |    3 +++
 src/mesa/main/buffers.c                |    4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

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

New commits:
commit 86b81ef5aa14a2fa7be6e5c319c00324028a1761
Author: Michel Dänzer <michel at tungstengraphics.com>
Date:   Wed Oct 17 18:28:03 2007 +0200

    Don't call the driver clear hook when the effective scissor rectangle is empty.

commit b4531121330fa85a072f129d11e8432b5294c789
Author: Michel Dänzer <michel at tungstengraphics.com>
Date:   Wed Oct 17 18:26:31 2007 +0200

    i915: Don't emit 'empty' blit rectangles.
    
    The hardware seems to interpret them differently and produce unexpected
    results...