fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-08 06:58:05 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

i965/fs: set rounding mode when emitting nir_op_f2f32 or nir_op_f2f16

Browse source 
v2:
- Consider nir_op_f2f16 case too (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 2019-02-13 10:42:05 +01:00 • committed by Andres Gomez
parent ba1e25e1aa
commit 9bd88d10d8
1 changed files with 27 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
src/intel/compiler/brw_fs_nir.cpp
View file

@ -1060,10 +1060,17 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, nir_alu_instr *instr,
case nir_op_f2f16_rtne:
case nir_op_f2f16_rtz:
bld.emit(SHADER_OPCODE_RND_MODE, bld.null_reg_ud(),
brw_imm_d(brw_rnd_mode_from_nir_op(instr->op)));
/* fallthrough */
case nir_op_f2f16:
case nir_op_f2f16: {
brw_rnd_mode rnd = BRW_RND_MODE_UNSPECIFIED;
if (nir_op_f2f16 == instr->op)
rnd = brw_rnd_mode_from_execution_mode(execution_mode);
else
rnd = brw_rnd_mode_from_nir_op(instr->op);
if (BRW_RND_MODE_UNSPECIFIED != rnd)
bld.emit(SHADER_OPCODE_RND_MODE, bld.null_reg_ud(), brw_imm_d(rnd));
/* In theory, it would be better to use BRW_OPCODE_F32TO16. Depending
* on the HW gen, it is a special hw opcode or just a MOV, and
* brw_F32TO16 (at brw_eu_emit) would do the work to chose.
@ -1077,6 +1084,7 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, nir_alu_instr *instr,
inst = bld.MOV(result, op[0]);
inst->saturate = instr->dest.saturate;
break;
}
case nir_op_b2i8:
case nir_op_b2i16:
@ -1099,7 +1107,6 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, nir_alu_instr *instr,
case nir_op_f2u64:
case nir_op_i2i32:
case nir_op_u2u32:
case nir_op_f2f32:
case nir_op_f2i32:
case nir_op_f2u32:
case nir_op_i2f16:
@ -1148,6 +1155,21 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, nir_alu_instr *instr,
inst->saturate = instr->dest.saturate;
break;
case nir_op_f2f32:
if (nir_has_any_rounding_mode_enabled(execution_mode)) {
brw_rnd_mode rnd =
brw_rnd_mode_from_execution_mode(execution_mode);
bld.emit(SHADER_OPCODE_RND_MODE, bld.null_reg_ud(),
brw_imm_d(rnd));
}
if (op[0].type == BRW_REGISTER_TYPE_HF)
assert(type_sz(result.type) < 8); /* brw_nir_lower_conversions */
inst = bld.MOV(result, op[0]);
inst->saturate = instr->dest.saturate;
break;
case nir_op_fsign:
emit_fsign(bld, instr, result, op, 0);
break;