diff options
| author | Dave Airlie <[email protected]> | 2017-04-23 19:52:34 +0100 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2017-04-25 23:26:11 +0100 |
| commit | 7f77554b5b224217ec1b3ebbf0fab0913c42e269 (patch) | |
| tree | 7f78f1d8ef2672a8de46dc689f37d8ab0f73023c /docs | |
| parent | b2cedb3ea9482d3099506069204a2d226ccd54fc (diff) | |
radv/ac: setup mrt exports then export them in one go. (v2)
Noticed while looking at Sascha Willems deferred shaders.
This is a bit of an llvm workaround, llvm was producing this:
v_cvt_pkrtz_f16_f32_e64 v4, v7, v8 ; D2960004 00021107
v_cvt_pkrtz_f16_f32_e64 v6, v9, 1.0 ; D2960006 0001E509
s_waitcnt vmcnt(0) ; BF8C0F70
exp mrt0 v4, v4, v6, v6 compr ; C400040F 00000604
s_waitcnt expcnt(0) ; BF8C0F0F
v_cvt_pkrtz_f16_f32_e64 v4, v12, v5 ; D2960004 00020B0C
v_cvt_pkrtz_f16_f32_e64 v5, v14, 1.0 ; D2960005 0001E50E
exp mrt1 v4, v4, v5, v5 compr ; C400041F 00000504
s_waitcnt expcnt(0) ; BF8C0F0F
v_cvt_pkrtz_f16_f32_e64 v0, v0, v1 ; D2960000 00020300
v_cvt_pkrtz_f16_f32_e64 v1, v2, v3 ; D2960001 00020702
exp mrt2 v0, v0, v1, v1 done compr vm ; C4001C2F 00000100
After this change:
v_cvt_pkrtz_f16_f32_e64 v4, v7, v8 ; D2960004 00021107
s_waitcnt vmcnt(0) ; BF8C0F70
v_cvt_pkrtz_f16_f32_e64 v0, v0, v1 ; D2960000 00020300
v_cvt_pkrtz_f16_f32_e64 v6, v9, 1.0 ; D2960006 0001E509
v_cvt_pkrtz_f16_f32_e64 v5, v12, v5 ; D2960005 00020B0C
v_cvt_pkrtz_f16_f32_e64 v7, v14, 1.0 ; D2960007 0001E50E
exp mrt0 v4, v4, v6, v6 compr ; C400040F 00000604
v_cvt_pkrtz_f16_f32_e64 v1, v2, v3 ; D2960001 00020702
exp mrt1 v5, v5, v7, v7 compr ; C400041F 00000705
exp mrt2 v0, v0, v1, v1 done compr vm ; C4001C2F 00000100
No waitcnt for exports are emitted.
v2: fixup index->mrt mapping (Bas).
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'docs')
0 files changed, 0 insertions, 0 deletions