diff options
| author | Eric Anholt <eric@anholt.net> | 2009-09-03 09:19:43 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-09-04 14:20:09 -0700 |
| commit | a47858e45efd95d798468cfff34616c0de200032 (patch) | |
| tree | 1a366099f0e98637bae2dd357e479c070ec207f7 | |
| parent | 8f7f22ca1d1594f9a4c6bdef181e24cbdd2c921c (diff) | |
i965: Add support for 2 threads in the GS.
This brings noop vertex shader throughput from 6.8M verts/sec to 10.4M
verts/sec using GL_QUADs on my GM45.
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_gs_state.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_gs_state.c b/src/mesa/drivers/dri/i965/brw_gs_state.c index a761c0315..ed9d2ffe6 100644 --- a/src/mesa/drivers/dri/i965/brw_gs_state.c +++ b/src/mesa/drivers/dri/i965/brw_gs_state.c @@ -93,7 +93,10 @@ gs_unit_create_from_key(struct brw_context *brw, struct brw_gs_unit_key *key) gs.thread4.nr_urb_entries = key->nr_urb_entries; gs.thread4.urb_entry_allocation_size = key->urb_size - 1; - gs.thread4.max_threads = 0; /* Hardware requirement */ + if (key->nr_urb_entries >= 8) + gs.thread4.max_threads = 1; + else + gs.thread4.max_threads = 0; if (BRW_IS_IGDNG(brw)) gs.thread4.rendering_enable = 1; |