KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

i965/fs/nir: add nir_op_unpack_half_2x16_split_*_flush_to_zero 

The denorm mode is set in the control register, no need to do
something else.

v2:
- Add an assert to make sure that we realize if this assumption is
  broken in the future (Caio).

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Signed-off-by: Andres Gomez <agomez@igalia.com>
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
This commit is contained in:
Samuel Iglesias Gonsálvez 2018-07-09 10:32:10 +02:00 committed by Andres Gomez
parent 3c474f8513
commit cdace5b0c6
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/intel/compiler/brw_fs_nir.cpp
View File

@ -1600,11 +1600,15 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, nir_alu_instr *instr,
case nir_op_pack_half_2x16:
unreachable("not reached: should be handled by lower_packing_builtins");
case nir_op_unpack_half_2x16_split_x_flush_to_zero:
assert(FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP16 & execution_mode);
case nir_op_unpack_half_2x16_split_x:
inst = bld.emit(BRW_OPCODE_F16TO32, result,
subscript(op[0], BRW_REGISTER_TYPE_UW, 0));
inst->saturate = instr->dest.saturate;
break;
case nir_op_unpack_half_2x16_split_y_flush_to_zero:
assert(FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP16 & execution_mode);
case nir_op_unpack_half_2x16_split_y:
inst = bld.emit(BRW_OPCODE_F16TO32, result,
subscript(op[0], BRW_REGISTER_TYPE_UW, 1));