According to the PRMs:
"The frc instruction computes, component-wise, the
truncate-to-minus-infinity fractional values of src0 and stores the
results in dst. The results, in the range of [0.0, 1.0], are the
fractional portion of the source data. The result is in the range
[0.0, 1.0] irrespective of the rounding mode."
Signed-off-by: Samuel Iglesias Gonsálvez <sigles...@igalia.com>
---
src/intel/compiler/brw_fs_nir.cpp | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/intel/compiler/brw_fs_nir.cpp
b/src/intel/compiler/brw_fs_nir.cpp
index ac5067f7ecc..ef1ed9b7f0a 100644
--- a/src/intel/compiler/brw_fs_nir.cpp
+++ b/src/intel/compiler/brw_fs_nir.cpp
@@ -1301,6 +1301,8 @@ fs_visitor::nir_emit_alu(const fs_builder &bld,
nir_alu_instr *instr)
inst = bld.RNDD(result, op[0]);
inst->saturate = instr->dest.saturate;
break;
+ case nir_op_ffract_rtne:
+ case nir_op_ffract_rtz:
case nir_op_ffract:
inst = bld.FRC(result, op[0]);
inst->saturate = instr->dest.saturate;
--
2.19.1
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