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i965: bump VS thread number to 60 on SNB

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Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
This commit is contained in:
Zou Nan hai 2011-03-01 10:39:35 +08:00
parent 7a61957424
commit 6c324777a6
2 changed files with 11 additions and 2 deletions
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10
src/mesa/drivers/dri/i965/brw_vs_emit.c
View file

@ -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 */

3
src/mesa/drivers/dri/i965/gen6_vs_state.c
View file

@ -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();