glamor: Changes to 'master'

[Zhigang Gong]

 src/glamor_fbo.c   |    2 +-
 src/glamor_priv.h  |    2 +-
 src/glamor_utils.h |    4 +++-
 3 files changed, 5 insertions(+), 3 deletions(-)

New commits:
commit 8b7884a70143497e36fdc28cbe05b1305a7b0be8
Author: Zhigang Gong <zhigang.gong at linux.intel.com>
Date:   Fri Apr 13 13:47:05 2012 +0800

    glamor_gl: Use GL_ALPHA for depth 8 pixmap.
    
    Use GL_RGBA to represent a8 pixmap is not efficient.
    
    Signed-off-by: Zhigang Gong <zhigang.gong at linux.intel.com>

commit 609b5ff3ae35ed453b17bf561f6ecb23deec4a62
Author: Zhigang Gong <zhigang.gong at linux.intel.com>
Date:   Fri Apr 13 13:45:42 2012 +0800

    glamor_pixmap_ensure_fbo: Should allocate tex if we don't have one.
    
    Signed-off-by: Zhigang Gong <zhigang.gong at linux.intel.com>