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i965: Enable channel masks in Ivybridge's URB_WRITE_HWORD header.

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This shouldn't be done using MRFs, but until I have a proper solution
for dealing with MRFs, this allows my hack to keep working.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Kenneth Graunke 2011-04-26 17:24:38 -07:00
parent 97d4d6f77e
commit 09d881bf74
1 changed files with 8 additions and 0 deletions
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8
src/mesa/drivers/dri/i965/brw_eu_emit.c
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@ -2180,6 +2180,14 @@ void brw_urb_WRITE(struct brw_compile *p,
gen6_resolve_implied_move(p, &src0, msg_reg_nr);
if (intel->gen == 7) {
/* Enable Channel Masks in the URB_WRITE_HWORD message header */
brw_OR(p, retype(brw_vec1_reg(BRW_MESSAGE_REGISTER_FILE, msg_reg_nr, 5),
BRW_REGISTER_TYPE_UD),
retype(brw_vec1_grf(0, 5), BRW_REGISTER_TYPE_UD),
brw_imm_ud(0xff00));
}
insn = next_insn(p, BRW_OPCODE_SEND);
assert(msg_length < BRW_MAX_MRF);