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i965: Fix up SF max_threads.

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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.
This commit is contained in:
Eric Anholt 2008-11-02 18:49:33 -08:00
parent 82eb7c235d
commit 9dadfc09a9
1 changed files with 2 additions and 1 deletions
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src/mesa/drivers/dri/i965/brw_sf_state.c
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@ -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;