[Mesa-dev] [PATCH v2 010/103] i965/vec4: translate d2f/f2d

[Ian Romanick]

Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

On 10/11/2016 02:01 AM, Iago Toral Quiroga wrote:
> ---
>  src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
> index ce95c8d..b75337c 100644
> --- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
> @@ -1111,6 +1111,30 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
>        inst = emit(MOV(dst, op[0]));
>        break;
>  
> +   case nir_op_d2f: {
> +      dst_reg temp = dst_reg(this, glsl_type::dvec4_type);
> +      emit(MOV(temp, op[0]));
> +
> +      dst_reg temp2 = dst_reg(this, glsl_type::dvec4_type);
> +      temp2 = retype(temp2, BRW_REGISTER_TYPE_F);
> +      emit(VEC4_OPCODE_DOUBLE_TO_FLOAT, temp2, src_reg(temp))
> +         ->size_written = 2 * REG_SIZE;
> +
> +      vec4_instruction *inst = emit(MOV(dst, src_reg(temp2)));
> +      inst->saturate = instr->dest.saturate;
> +      break;
> +   }
> +
> +   case nir_op_f2d: {
> +      dst_reg tmp_dst = dst_reg(src_reg(this, glsl_type::dvec4_type));
> +      src_reg tmp_src = src_reg(this, glsl_type::vec4_type);
> +      emit(MOV(dst_reg(tmp_src), retype(op[0], BRW_REGISTER_TYPE_F)));
> +      emit(VEC4_OPCODE_FLOAT_TO_DOUBLE, tmp_dst, tmp_src);
> +      vec4_instruction *inst = emit(MOV(dst, src_reg(tmp_dst)));
> +      inst->saturate = instr->dest.saturate;
> +      break;
> +   }
> +
>     case nir_op_fadd:
>        /* fall through */
>     case nir_op_iadd:
>