Hi Jason Am 13/01/2016 um 00:35 schrieb Jason Ekstrand: > --- > 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; After a comment like 'at least at big' one would normaly expect some check to ensure that. Maybe add a "So set it to 2" or whatever
-Michael > + > + 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: > _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev