mesa: Changes to 'master'

[Haihao Xiang]

The branch, master has been updated
        Commits at: http://cgit.freedesktop.org/mesa/mesa/log/?h=master

Summary of changes:
 src/mesa/drivers/dri/intel/intel_mipmap_tree.c  |    6 ++-
 src/mesa/drivers/dri/intel/intel_tex_image.c    |   46 +++++++++++-----------
 src/mesa/drivers/dri/intel/intel_tex_subimage.c |   14 ++++++-
 src/mesa/main/attrib.c                          |    2 +-
 src/mesa/main/drawpix.c                         |    3 +-
 5 files changed, 41 insertions(+), 30 deletions(-)

       via  4478926b3a6d15d079a44f6cebebc1db85d382f6 (commit)
       via  7ed1fd5d8438e55fe24091844cdfccb0881306bc (commit)
       via  0819b25dfba326c3d32b3b0af5d77e53d1973890 (commit)
       via  07ff7c2285d9cb10ca52d7de7a6b86fd00379d6f (commit)
      from  b0f681b458ebebab370bbfd2a17699cd851aae8b (commit)


- Commits -----------------------------------------------
commit 4478926b3a6d15d079a44f6cebebc1db85d382f6
Author: Xiang, Haihao <haihao.xiang at intel.com>
Date:   Mon Mar 17 16:52:07 2008 +0800

    intel: It is needed to allocating texture memory to accommodate
    a texture when calling TexImage with pixels set to NULL pointer.

commit 7ed1fd5d8438e55fe24091844cdfccb0881306bc
Author: Xiang, Haihao <haihao.xiang at intel.com>
Date:   Mon Mar 17 16:50:20 2008 +0800

    intel: Remove an assertion from intel_miptree_create. TexImage
    call with zero width/height/depth matches GL spec.

commit 0819b25dfba326c3d32b3b0af5d77e53d1973890
Author: Xiang, Haihao <haihao.xiang at intel.com>
Date:   Mon Mar 17 16:48:36 2008 +0800

    mesa: avoid to unlock an unlocked array in _mesa_PopClientAttrib

commit 07ff7c2285d9cb10ca52d7de7a6b86fd00379d6f
Author: Xiang, Haihao <haihao.xiang at intel.com>
Date:   Mon Mar 17 16:47:42 2008 +0800

    mesa: Follow GL spec to draw DEPTH_COMPONENT pixels when
    there's no depth buffer. Fix bug #11580

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