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-rw-r--r--src/mesa/drivers/dri/i965/brw_clip_state.c16
-rw-r--r--src/mesa/drivers/dri/i965/brw_urb.c2
2 files changed, 16 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_clip_state.c b/src/mesa/drivers/dri/i965/brw_clip_state.c
index 740c7cbd109..9b0d7eab7bf 100644
--- a/src/mesa/drivers/dri/i965/brw_clip_state.c
+++ b/src/mesa/drivers/dri/i965/brw_clip_state.c
@@ -88,7 +88,21 @@ clip_unit_create_from_key(struct brw_context *brw,
clip.thread4.nr_urb_entries = key->nr_urb_entries;
clip.thread4.urb_entry_allocation_size = key->urb_size - 1;
- clip.thread4.max_threads = 1; /* 2 threads */
+ /* If we have enough clip URB entries to run two threads, do so.
+ */
+ if (key->nr_urb_entries >= 10) {
+ /* Half of the URB entries go to each thread, and it has to be an
+ * even number.
+ */
+ assert(key->nr_urb_entries % 2 == 0);
+ clip.thread4.max_threads = 2 - 1;
+ } else {
+ assert(key->nr_urb_entries >= 5);
+ clip.thread4.max_threads = 1 - 1;
+ }
+
+ if (INTEL_DEBUG & DEBUG_SINGLE_THREAD)
+ clip.thread4.max_threads = 0;
if (INTEL_DEBUG & DEBUG_STATS)
clip.thread4.stats_enable = 1;
diff --git a/src/mesa/drivers/dri/i965/brw_urb.c b/src/mesa/drivers/dri/i965/brw_urb.c
index 5cc51ad4ec4..7673dd36eb9 100644
--- a/src/mesa/drivers/dri/i965/brw_urb.c
+++ b/src/mesa/drivers/dri/i965/brw_urb.c
@@ -91,7 +91,7 @@ static const struct {
} limits[CS+1] = {
{ 16, 32, 1, 5 }, /* vs */
{ 4, 8, 1, 5 }, /* gs */
- { 6, 8, 1, 5 }, /* clp */
+ { 5, 10, 1, 5 }, /* clp */
{ 1, 8, 1, 12 }, /* sf */
{ 1, 4, 1, 32 } /* cs */
};