3 files changed, 13 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/nir/nir_to_tgsi.c b/src/gallium/auxiliary/nir/nir_to_tgsi.c
index 1041132039f..71eee4ace0f 100644
--- a/src/gallium/auxiliary/nir/nir_to_tgsi.c
+++ b/src/gallium/auxiliary/nir/nir_to_tgsi.c
@@ -863,6 +863,8 @@ ntt_emit_alu(struct ntt_compile *c, nir_alu_instr *instr)
    int src_64 = nir_src_bit_size(instr->src[0].src) == 64;
    int num_srcs = nir_op_infos[instr->op].num_inputs;
 
+   ureg_set_precise(c->ureg, instr->exact);
+
    assert(num_srcs <= ARRAY_SIZE(src));
    for (i = 0; i < num_srcs; i++)
       src[i] = ntt_get_alu_src(c, instr, i);
@@ -1262,6 +1264,8 @@ ntt_emit_alu(struct ntt_compile *c, nir_alu_instr *instr)
       }
       ureg_release_temporary(c->ureg, dst);
    }
+
+   ureg_set_precise(c->ureg, false);
 }
 
 static struct ureg_src
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index eedba34cbc7..ceb93c440bf 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -205,6 +205,8 @@ struct ureg_program
    struct ureg_tokens domain[2];
 
    bool use_memory[TGSI_MEMORY_TYPE_COUNT];
+
+   bool precise;
 };
 
 static union tgsi_any_token error_tokens[32];
@@ -1267,7 +1269,7 @@ ureg_emit_insn(struct ureg_program *ureg,
    out[0].insn = tgsi_default_instruction();
    out[0].insn.Opcode = opcode;
    out[0].insn.Saturate = saturate;
-   out[0].insn.Precise = precise;
+   out[0].insn.Precise = precise || ureg->precise;
    out[0].insn.NumDstRegs = num_dst;
    out[0].insn.NumSrcRegs = num_src;
 
@@ -2437,3 +2439,8 @@ void ureg_destroy( struct ureg_program *ureg )
 
    FREE(ureg);
 }
+
+void ureg_set_precise( struct ureg_program *ureg, bool precise )
+{
+   ureg->precise = precise;
+}
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
index 343708b6c09..59041e94d73 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
@@ -137,6 +137,7 @@ void ureg_free_tokens( const struct tgsi_token *tokens );
 void 
 ureg_destroy( struct ureg_program * );
 
+void ureg_set_precise( struct ureg_program *ureg, bool precise );
 
 /***********************************************************************
  * Convenience routine: