Mesa (master): tgsi_to_nir: handle TGSI_OPCODE_BARRIER

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Module: Mesa
Branch: master
Commit: b7ffa1560c3eed9bf89d546a1d86d11476ad5f05
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b7ffa1560c3eed9bf89d546a1d86d11476ad5f05

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Sun Apr 26 08:55:08 2020 -0400

tgsi_to_nir: handle TGSI_OPCODE_BARRIER

Reviewed-by: Eric Anholt <eric at anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4761>

---

 src/gallium/auxiliary/nir/tgsi_to_nir.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/gallium/auxiliary/nir/tgsi_to_nir.c b/src/gallium/auxiliary/nir/tgsi_to_nir.c
index ff42c4536bb..34ececa17a3 100644
--- a/src/gallium/auxiliary/nir/tgsi_to_nir.c
+++ b/src/gallium/auxiliary/nir/tgsi_to_nir.c
@@ -1111,6 +1111,14 @@ ttn_ucmp(nir_builder *b, nir_op op, nir_alu_dest dest, nir_ssa_def **src)
                                     src[1], src[2]));
 }
 
+static void
+ttn_barrier(nir_builder *b)
+{
+   nir_intrinsic_instr *barrier =
+      nir_intrinsic_instr_create(b->shader, nir_intrinsic_control_barrier);
+   nir_builder_instr_insert(b, &barrier->instr);
+}
+
 static void
 ttn_kill(nir_builder *b, nir_op op, nir_alu_dest dest, nir_ssa_def **src)
 {
@@ -2225,6 +2233,10 @@ ttn_emit_instruction(struct ttn_compile *c)
       ttn_endloop(c);
       break;
 
+   case TGSI_OPCODE_BARRIER:
+      ttn_barrier(b);
+      break;
+
    default:
       if (op_trans[tgsi_op] != 0 || tgsi_op == TGSI_OPCODE_MOV) {
          ttn_alu(b, op_trans[tgsi_op], dest, dst_bitsize, src);