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path: root/src/mesa/drivers/dri/i965/brw_vs_state.c
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Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vs_state.c')
-rw-r--r--src/mesa/drivers/dri/i965/brw_vs_state.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_state.c b/src/mesa/drivers/dri/i965/brw_vs_state.c
index 70de0e8256..c225bf8f5c 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_state.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_state.c
@@ -53,7 +53,11 @@ static void upload_vs_unit( struct brw_context *brw )
/* BRW_NEW_URB_FENCE */
vs.thread4.nr_urb_entries = brw->urb.nr_vs_entries;
vs.thread4.urb_entry_allocation_size = brw->urb.vsize - 1;
- vs.thread4.max_threads = MIN2(brw->urb.nr_vs_entries, 16) - 1;
+ vs.thread4.max_threads = MIN2(
+ MAX2(0, (brw->urb.nr_vs_entries - 6) / 2 - 1),
+ 15);
+
+
if (INTEL_DEBUG & DEBUG_SINGLE_THREAD)
vs.thread4.max_threads = 0;