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intel/decoder: Decode SFIXED values.

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This lets us example SAMPLER_STATE's LOD Bias field, among other things.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
This commit is contained in:
Kenneth Graunke
2018-08-23 01:06:53 -07:00
parent 855af9a5a2
commit 578e45ab7b
1 changed files with 7 additions and 3 deletions
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src/intel/common/gen_decoder.c
+7 -3
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@@ -944,10 +944,14 @@ iter_decode_field(struct gen_field_iterator *iter)
snprintf(iter->value, sizeof(iter->value), "%f",
(float) v.qw / (1 << iter->field->type.f));
break;
case GEN_TYPE_SFIXED:
/* FIXME: Sign extend extracted field. */
snprintf(iter->value, sizeof(iter->value), "%s", "foo");
case GEN_TYPE_SFIXED: {
/* Sign extend before converting */
int bits = iter->field->type.i + iter->field->type.f + 1;
int64_t v_sign_extend = ((int64_t)(v.qw << (64 - bits))) >> (64 - bits);
snprintf(iter->value, sizeof(iter->value), "%f",
(float) v_sign_extend / (1 << iter->field->type.f));
break;
}
case GEN_TYPE_MBO:
break;
case GEN_TYPE_ENUM: {