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nir/validate: validate that tex deref sources are actually derefs 

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Karol Herbst 2019-03-24 05:36:36 +01:00
parent 6ffc72472c
commit fea0caea2b
1 changed files with 11 additions and 0 deletions
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11
src/compiler/nir/nir_validate.c
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@ -596,6 +596,17 @@ validate_tex_instr(nir_tex_instr *instr, validate_state *state)
src_type_seen[instr->src[i].src_type] = true;
validate_src(&instr->src[i].src, state,
0, nir_tex_instr_src_size(instr, i));
switch (instr->src[i].src_type) {
case nir_tex_src_texture_deref:
case nir_tex_src_sampler_deref:
validate_assert(state, instr->src[i].src.is_ssa);
validate_assert(state,
instr->src[i].src.ssa->parent_instr->type == nir_instr_type_deref);
break;
default:
break;
}
}
if (nir_tex_instr_has_explicit_tg4_offsets(instr)) {