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.
---
src/mesa/drivers/dri/i965/brw_sf_state.c | 3 ++-
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 4f925d1..506126f 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;
--
1.5.6.5
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