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authorEric Anholt <eric@anholt.net>2008-11-02 18:49:33 -0800
committerEric Anholt <eric@anholt.net>2008-11-12 13:07:23 -0800
commit9dadfc09a9dd492f14eec8de060d3f5198c766ec (patch)
tree18c94fbb740cd043bc4b3c5ec0e38ac72afb296a /src/mesa/drivers
parent82eb7c235db9939d067c4d64e32df96caef939ab (diff)
i965: Fix up SF max_threads.
We were dividing the number of URB entries by two to get number of threads, which looks suspiciously like a copy'n'paste-o from brw_vs_state.c. Also, the maximum number of threads is 24, not 12.
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r--src/mesa/drivers/dri/i965/brw_sf_state.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_sf_state.c b/src/mesa/drivers/dri/i965/brw_sf_state.c
index 4f925d1810..506126fcfb 100644
--- a/src/mesa/drivers/dri/i965/brw_sf_state.c
+++ b/src/mesa/drivers/dri/i965/brw_sf_state.c
@@ -172,7 +172,8 @@ sf_unit_create_from_key(struct brw_context *brw, struct brw_sf_unit_key *key,
sf.thread4.nr_urb_entries = key->nr_urb_entries;
sf.thread4.urb_entry_allocation_size = key->sfsize - 1;
- sf.thread4.max_threads = MIN2(12, key->nr_urb_entries / 2) - 1;
+ /* Each SF thread produces 1 PUE, and there can be up to 24 threads */
+ sf.thread4.max_threads = MIN2(24, key->nr_urb_entries) - 1;
if (INTEL_DEBUG & DEBUG_SINGLE_THREAD)
sf.thread4.max_threads = 0;