Extended math desn't support half-float on these generations. --- src/intel/compiler/brw_nir.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/src/intel/compiler/brw_nir.c b/src/intel/compiler/brw_nir.c index ff245b59b81..8337da57585 100644 --- a/src/intel/compiler/brw_nir.c +++ b/src/intel/compiler/brw_nir.c @@ -599,6 +599,8 @@ lower_bit_size_callback(const nir_alu_instr *alu, void *data) if (alu->dest.dest.ssa.bit_size != 16) return 0; + const struct brw_compiler *compiler = (const struct brw_compiler *) data; + switch (alu->op) { case nir_op_idiv: case nir_op_imod: @@ -611,6 +613,15 @@ lower_bit_size_callback(const nir_alu_instr *alu, void *data) case nir_op_fround_even: case nir_op_ftrunc: return 32; + case nir_op_frcp: + case nir_op_frsq: + case nir_op_fsqrt: + case nir_op_fpow: + case nir_op_fexp2: + case nir_op_flog2: + case nir_op_fsin: + case nir_op_fcos: + return compiler->devinfo->gen < 9 ? 32 : 0; default: return 0; } @@ -669,7 +680,7 @@ brw_preprocess_nir(const struct brw_compiler *compiler, nir_shader *nir) nir = brw_nir_optimize(nir, compiler, is_scalar); - nir_lower_bit_size(nir, lower_bit_size_callback, NULL); + nir_lower_bit_size(nir, lower_bit_size_callback, (void *)compiler); if (is_scalar) { OPT(nir_lower_load_const_to_scalar); -- 2.14.1 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev