---
src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 13 +++++++++++++
src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 10 ++++++++++
2 files changed, 23 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index 6213378..ffb8059 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -943,6 +943,19 @@ fs_visitor::nir_emit_alu(const fs_builder &bld,
nir_alu_instr *instr)
inst->saturate = instr->dest.saturate;
break;
+ case nir_op_fquantize2f16: {
+ fs_reg tmp = bld.vgrf(BRW_REGISTER_TYPE_D);
+
+ /* The destination stride must be at least as big as the source stride.
*/
+ tmp.type = BRW_REGISTER_TYPE_W;
+ tmp.stride = 2;
+
+ bld.emit(BRW_OPCODE_F32TO16, tmp, op[0]);
+ inst = bld.emit(BRW_OPCODE_F16TO32, result, tmp);
+ inst->saturate = instr->dest.saturate;
+ break;
+ }
+
case nir_op_fmin:
case nir_op_imin:
case nir_op_umin:
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index 37f517d..77a2f8b 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -1177,6 +1177,16 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
inst->saturate = instr->dest.saturate;
break;
+ case nir_op_fquantize2f16: {
+ /* See also vec4_visitor::emit_pack_half_2x16() */
+ src_reg tmp = src_reg(this, glsl_type::uvec4_type);
+
+ emit(F32TO16(dst_reg(tmp), op[0]));
+ inst = emit(F16TO32(dst, tmp));
+ inst->saturate = instr->dest.saturate;
+ break;
+ }
+
case nir_op_fmin:
case nir_op_imin:
case nir_op_umin:
--
2.5.0.400.gff86faf
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