diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_eu_emit.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_eu_emit.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index 34dfe10cb9..10e9ebc3b0 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c @@ -906,6 +906,20 @@ void brw_CMP(struct brw_compile *p, } } +/* Issue 'wait' instruction for n1, host could program MMIO + to wake up thread. */ +void brw_WAIT (struct brw_compile *p) +{ + struct brw_instruction *insn = next_insn(p, BRW_OPCODE_WAIT); + struct brw_reg src = brw_notification_1_reg(); + + brw_set_dest(insn, src); + brw_set_src0(insn, src); + brw_set_src1(insn, brw_null_reg()); + insn->header.execution_size = 0; /* must */ + insn->header.predicate_control = 0; + insn->header.compression_control = 0; +} /*********************************************************************** |