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pan/bi: Implement barriers

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Only control barriers are meaningful upon a closer read.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9105>
This commit is contained in:
Alyssa Rosenzweig
2021-02-16 14:18:10 -05:00
committed by Marge Bot
parent 60bee70103
commit 9dd9e0200d
1 changed files with 14 additions and 0 deletions
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14
src/panfrost/bifrost/bifrost_compile.c
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@@ -756,6 +756,20 @@ bi_emit_intrinsic(bi_builder *b, nir_intrinsic_instr *instr)
bi_emit_store(b, instr, BI_SEG_WLS);
break;
/* Blob doesn't seem to do anything for memory barriers, note +BARRIER
* is illegal in fragment shaders */
case nir_intrinsic_memory_barrier:
case nir_intrinsic_memory_barrier_buffer:
case nir_intrinsic_memory_barrier_image:
case nir_intrinsic_memory_barrier_shared:
case nir_intrinsic_group_memory_barrier:
break;
case nir_intrinsic_control_barrier:
assert(b->shader->stage != MESA_SHADER_FRAGMENT);
bi_barrier_to(b, bi_null());
break;
case nir_intrinsic_global_atomic_exchange:
bi_emit_axchg(b, instr, BI_SEG_NONE);
break;