Module: Mesa Branch: master Commit: a47858e45efd95d798468cfff34616c0de200032 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=a47858e45efd95d798468cfff34616c0de200032
Author: Eric Anholt <[email protected]> Date: Thu Sep 3 09:19:43 2009 -0700 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. --- 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 a761c03..ed9d2ff 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; _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
