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authorZou Nan hai <nanhai.zou@intel.com>2011-03-01 02:39:35 (GMT)
committerZou Nan hai <nanhai.zou@intel.com>2011-03-01 02:39:35 (GMT)
commit6c324777a685d28d0a81d23157e4863240552999 (patch)
treef5b1bb544463b5fe30b59005e34c01bec7e358e2
parent7a61957424a457f416d20c2b366232fb4bbc7761 (diff)
i965: bump VS thread number to 60 on SNB
Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
-rw-r--r--src/mesa/drivers/dri/i965/brw_vs_emit.c10
-rw-r--r--src/mesa/drivers/dri/i965/gen6_vs_state.c3
2 files changed, 11 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c
index 0411ce0..6ec6255 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -1561,6 +1561,7 @@ static void emit_vertex_write( struct brw_vs_compile *c)
int eot;
GLuint len_vertex_header = 2;
int next_mrf, i;
+ int msg_len;
if (c->key.copy_edgeflag) {
brw_MOV(p,
@@ -1727,13 +1728,20 @@ static void emit_vertex_write( struct brw_vs_compile *c)
eot = (c->first_overflow_output == 0);
+ msg_len = c->nr_outputs + 2 + len_vertex_header;
+ if (intel->gen >= 6) {
+ /* interleaved urb write message length for gen6 should be multiple of 2 */
+ if ((msg_len % 2) != 0)
+ msg_len++;
+ }
+
brw_urb_WRITE(p,
brw_null_reg(), /* dest */
0, /* starting mrf reg nr */
c->r0, /* src */
0, /* allocate */
1, /* used */
- MIN2(c->nr_outputs + 1 + len_vertex_header, (BRW_MAX_MRF-1)), /* msg len */
+ MIN2(msg_len - 1, (BRW_MAX_MRF - 1)), /* msg len */
0, /* response len */
eot, /* eot */
eot, /* writes complete */
diff --git a/src/mesa/drivers/dri/i965/gen6_vs_state.c b/src/mesa/drivers/dri/i965/gen6_vs_state.c
index e68c0ac..ce0b8ea 100644
--- a/src/mesa/drivers/dri/i965/gen6_vs_state.c
+++ b/src/mesa/drivers/dri/i965/gen6_vs_state.c
@@ -136,7 +136,8 @@ upload_vs_state(struct brw_context *brw)
OUT_BATCH((1 << GEN6_VS_DISPATCH_START_GRF_SHIFT) |
(brw->vs.prog_data->urb_read_length << GEN6_VS_URB_READ_LENGTH_SHIFT) |
(0 << GEN6_VS_URB_ENTRY_READ_OFFSET_SHIFT));
- OUT_BATCH((0 << GEN6_VS_MAX_THREADS_SHIFT) |
+
+ OUT_BATCH(((60 - 1) << GEN6_VS_MAX_THREADS_SHIFT) | /* max 60 threads for gen6 */
GEN6_VS_STATISTICS_ENABLE |
GEN6_VS_ENABLE);
ADVANCE_BATCH();