meta: allow nested meta operations
authorXiang, Haihao <haihao.xiang@intel.com>
Fri, 10 Dec 2010 01:31:19 +0000 (09:31 +0800)
committerXiang, Haihao <haihao.xiang@intel.com>
Fri, 10 Dec 2010 05:25:17 +0000 (13:25 +0800)
commitd1196bbc191c4f1b355d432dcb2eeff9790fda34
tree58b160fbc6f4db5b2ebda9fd272c74bccc7f1b9e
parent3a3b1bd722786ab0b1386a3a505cadfa89798232
meta: allow nested meta operations

_mesa_meta_CopyPixels results in nested meta operations on Sandybridge.
Previoulsy the second meta operation overrides all states saved by the
first meta function.
src/mesa/drivers/common/meta.c