Mesa (master): bifrost: Set RTZ rounding mode for f2i conversion

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Module: Mesa
Branch: master
Commit: f6aa0719cfaf10299d2c5112ddfbee91b4b732a9
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f6aa0719cfaf10299d2c5112ddfbee91b4b732a9

Author: Chris Forbes <chrisforbes at google.com>
Date:   Sat Jul  4 15:26:42 2020 -0700

bifrost: Set RTZ rounding mode for f2i conversion

Fixes dEQP-GLES2.functional.shaders.conversions.scalar_to_scalar.float_to_int_fragment

Signed-off-by: Chris Forbes <chrisforbes at google.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5779>

---

 src/panfrost/bifrost/bifrost_compile.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/panfrost/bifrost/bifrost_compile.c b/src/panfrost/bifrost/bifrost_compile.c
index adaf6fa3ea8..bee11a440bb 100644
--- a/src/panfrost/bifrost/bifrost_compile.c
+++ b/src/panfrost/bifrost/bifrost_compile.c
@@ -843,6 +843,9 @@ emit_alu(bi_context *ctx, nir_alu_instr *instr)
         case nir_op_ixor:
                 alu.op.bitwise = BI_BITWISE_XOR;
                 break;
+        case nir_op_f2i32:
+                alu.roundmode = BIFROST_RTZ;
+                break;
 
         case nir_op_f2f16:
         case nir_op_i2i16: