nir: handle some 64-bit integer conversions

These are enough for the spir-v generator to handle UConvert
and SConvert operations, and fix the 4 tests in CTS.

Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2017-02-15 18:40:21 +10:00
parent adb9555794
commit 03f4982c68

View File

@@ -1971,10 +1971,15 @@ nir_type_conversion_op(nir_alu_type src, nir_alu_type dst)
if (src_bitsize == dst_bitsize)
return (src_base_type == nir_type_float) ? nir_op_fmov : nir_op_imov;
assert (src_base_type == nir_type_float);
/* TODO: implement support for float16 */
assert(src_bitsize == 64 || dst_bitsize == 64);
return (src_bitsize == 64) ? nir_op_d2f : nir_op_f2d;
if (src_base_type == nir_type_float)
/* TODO: implement support for float16 */
return (src_bitsize == 64) ? nir_op_d2f : nir_op_f2d;
else if (src_base_type == nir_type_uint)
return (src_bitsize == 64) ? nir_op_imov : nir_op_u2u64;
else if (src_base_type == nir_type_int)
return (src_bitsize == 64) ? nir_op_imov : nir_op_i2i64;
unreachable("Invalid conversion");
}
/* Different base type but same bit_size */
@@ -2008,11 +2013,17 @@ nir_type_conversion_op(nir_alu_type src, nir_alu_type dst)
/* TODO: Implement integer support for types with bit_size != 32 */
switch (src_base_type) {
case nir_type_uint:
assert(dst == nir_type_float64);
return nir_op_u2d;
if (dst == nir_type_float64)
return nir_op_u2d;
else if (dst == nir_type_int64)
return nir_op_u2i64;
break;
case nir_type_int:
assert(dst == nir_type_float64);
return nir_op_i2d;
if (dst == nir_type_float64)
return nir_op_i2d;
else if (dst == nir_type_uint64)
return nir_op_i2i64;
break;
case nir_type_bool:
assert(dst == nir_type_float64);
return nir_op_u2d;
@@ -2038,4 +2049,5 @@ nir_type_conversion_op(nir_alu_type src, nir_alu_type dst)
default:
unreachable("Invalid conversion");
};
unreachable("Invalid conversion");
}