We need to allocate new space every time to avoid blocking on the last
HiZ op completing. There are two easy ways to do this:
brw_state_batch() and intel_upload_data(). brw_state_batch() is
simpler and avoids another buffer allocation.
Improves Unigine Tropics performance 0.376416% +/- 0.148722% (n=7).
Reviewed-by: Chad Versace <chad.versace@linux.intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Eric Anholt
0da5086443