ilo: clean up ilo_blitter_pipe_begin()
authorChia-I Wu <olvaffe@gmail.com>
Fri, 12 Jul 2013 21:54:25 +0000 (05:54 +0800)
committerChia-I Wu <olvaffe@gmail.com>
Fri, 12 Jul 2013 22:43:53 +0000 (06:43 +0800)
commit9047598a8d8081bfca656ce471062140a83e3d26
treeb521a29c5b0b35d4fd0445be5b895272e7a474fe
parente0a7565832b567a2ffc65b08d21500ba5d914415
ilo: clean up ilo_blitter_pipe_begin()

Document why certain states need to be saved, and fix a bug when blitting with
scissor enabled.
src/gallium/drivers/ilo/ilo_blitter_pipe.c
src/gallium/drivers/ilo/ilo_gpe.h
src/gallium/drivers/ilo/ilo_gpe_gen6.c